<?php
session_start();

// Clear session on reset
if (isset($_GET['reset']) || isset($_POST['reset'])) {
    session_destroy();
    session_start();
    header('Location: workflow_v3.php');
    exit;
}

// Clear specific workflow results
if (isset($_POST['clear_results'])) {
    unset($_SESSION['workflow_results']);
    $_SESSION['workflow_results'] = [];
    header('Location: workflow_v3.php?tab=' . ($_POST['tab'] ?? 'download'));
    exit;
}

require_once 'config_v3.php';
require_once 'src/TestRunner.php';
require_once 'src/CampaignFormatter.php';
require_once 'src/AssetDownloader.php';
require_once 'src/MetadataExtractor.php';
require_once 'src/StatusManager.php';
require_once 'src/ApiClient.php';
require_once 'src/AssetUploader.php';

$configV3 = new ConfigV3();
$errors = $configV3->validate();

if (!empty($errors)) {
    die("Configuration Error: " . implode(', ', $errors));
}

$config = [
    'baseUrl' => $configV3->getBaseUrl(),
    'timeout' => $configV3->get('api.timeout'),
    'headers' => [
        'Content-Type' => 'application/json',
        'Accept' => 'application/json'
    ]
];

$collectionPath = __DIR__ . '/' . $configV3->get('postman_collection');

$testRunner = null;
$error = null;
$success = null;
$currentTab = $_GET['tab'] ?? $_POST['tab'] ?? 'download';

try {
    if (file_exists($collectionPath)) {
        $testRunner = new TestRunner($collectionPath, $config);
    } else {
        $error = "Postman collection file not found: " . $collectionPath;
    }
} catch (Exception $e) {
    $error = "Error initializing: " . $e->getMessage();
}

// Initialize results storage
if (!isset($_SESSION['workflow_results'])) {
    $_SESSION['workflow_results'] = [];
}

$results = &$_SESSION['workflow_results'];

// Handle POST actions
if ($_POST && $testRunner) {
    $action = $_POST['action'] ?? '';

    try {
        switch ($action) {
            case 'load_campaigns_a1':
                $results['a1_campaigns'] = loadCampaignsByStatus($testRunner, 'A1');
                $success = "Loaded " . count($results['a1_campaigns']) . " campaigns with status A1";
                break;

            case 'select_campaign_a1':
                $campaignId = $_POST['campaign_id'] ?? '';
                if ($campaignId && isset($results['a1_campaigns'])) {
                    foreach ($results['a1_campaigns'] as $campaign) {
                        if ($campaign['asset_id'] === $campaignId) {
                            $results['selected_campaign'] = $campaign;
                            $success = "Campaign selected: " . $campaign['campaign_name'];
                            break;
                        }
                    }
                }
                break;

            case 'get_master_assets':
                if (isset($results['selected_campaign'])) {
                    $campaignId = $results['selected_campaign']['asset_id'];
                    $masterFolderId = findMasterAssetsFolder($testRunner, $campaignId, $configV3);

                    if ($masterFolderId) {
                        $results['master_folder_id'] = $masterFolderId;
                        $results['master_assets'] = getAssetsFromFolder($testRunner, $masterFolderId);
                        $success = "Found Master Assets folder with " . count($results['master_assets']) . " assets";
                    } else {
                        $error = "Master Assets folder not found in campaign";
                    }
                }
                break;

            case 'download_asset':
                $assetId = $_POST['asset_id'] ?? '';
                $filename = $_POST['filename'] ?? '';

                if ($assetId && isset($results['selected_campaign'])) {
                    // Find the asset in our master_assets array to get its full data
                    $assetData = null;
                    if (isset($results['master_assets'])) {
                        foreach ($results['master_assets'] as $asset) {
                            if ($asset['asset_id'] === $assetId) {
                                $assetData = $asset;
                                break;
                            }
                        }
                    }

                    $result = downloadAsset($testRunner, $assetId, $filename, $results['selected_campaign']['campaign_id'], $assetData);
                    $results['last_download'] = $result;

                    if ($result['success']) {
                        $success = "Downloaded: " . $result['filename'];
                    } else {
                        $error = "Download failed: " . $result['error'];
                    }
                }
                break;

            case 'download_all_assets':
                if (isset($results['master_assets']) && isset($results['selected_campaign'])) {
                    $downloadResults = downloadAllAssets($testRunner, $results['master_assets'], $results['selected_campaign']['campaign_id']);
                    $results['bulk_download'] = $downloadResults;
                    $success = "Downloaded {$downloadResults['successful']} of {$downloadResults['total']} assets";
                }
                break;

            case 'update_status_to_a2':
                if (isset($results['selected_campaign'])) {
                    $statusManager = createStatusManager($testRunner);
                    $statusResult = $statusManager->updateCampaignStatus(
                        $results['selected_campaign']['asset_id'],
                        'A2'
                    );

                    if ($statusResult['success']) {
                        $results['status_update'] = $statusResult;
                        $results['selected_campaign']['status'] = 'A2';
                        $success = "Campaign status updated to A2: Selected Master Assets sent to Agency";
                    } else {
                        $error = "Failed to update status: " . ($statusResult['response']['error'] ?? 'Unknown error');
                    }
                }
                break;

            case 'load_campaigns_a2':
                $results['a2_campaigns'] = loadCampaignsByStatus($testRunner, 'A2');
                $success = "Loaded " . count($results['a2_campaigns']) . " campaigns with status A2";
                $currentTab = 'upload';
                break;

            case 'select_campaign_a2':
                $campaignId = $_POST['campaign_id'] ?? '';
                if ($campaignId && isset($results['a2_campaigns'])) {
                    foreach ($results['a2_campaigns'] as $campaign) {
                        if ($campaign['asset_id'] === $campaignId) {
                            $results['selected_campaign_a2'] = $campaign;
                            $success = "Campaign selected: " . $campaign['campaign_name'];
                            $currentTab = 'upload';
                            break;
                        }
                    }
                }
                break;

            case 'get_upload_folder':
                if (isset($results['selected_campaign_a2'])) {
                    $campaignId = $results['selected_campaign_a2']['asset_id'];
                    // Find Final Assets or Localized Assets folder
                    $uploadFolderId = findUploadFolder($testRunner, $campaignId, $configV3);

                    if ($uploadFolderId) {
                        $results['upload_folder_id'] = $uploadFolderId;
                        $success = "Found upload target folder";
                    } else {
                        $error = "Upload folder not found in campaign";
                    }
                }
                $currentTab = 'upload';
                break;

            case 'upload_files':
                if (isset($_FILES['upload_files']) && isset($results['upload_folder_id'])) {
                    $uploadResults = uploadFiles($testRunner, $_FILES['upload_files'], $results['upload_folder_id']);
                    $results['upload_results'] = $uploadResults;

                    if ($uploadResults['successful'] > 0) {
                        $success = "Uploaded {$uploadResults['successful']} of {$uploadResults['total']} files";
                    } else {
                        $error = "All uploads failed";
                    }
                }
                $currentTab = 'upload';
                break;

            case 'update_status_to_a3':
                if (isset($results['selected_campaign_a2'])) {
                    $statusManager = createStatusManager($testRunner);
                    $statusResult = $statusManager->updateCampaignStatus(
                        $results['selected_campaign_a2']['asset_id'],
                        'A3'
                    );

                    if ($statusResult['success']) {
                        $results['status_update_a3'] = $statusResult;
                        $success = "Campaign status updated to A3: Localized Asset received from Agency";
                    } else {
                        $error = "Failed to update status";
                    }
                }
                $currentTab = 'upload';
                break;

            case 'load_campaigns_a5':
                $results['a5_campaigns'] = loadCampaignsByStatus($testRunner, 'A5');
                $success = "Loaded " . count($results['a5_campaigns']) . " campaigns with status A5";
                $currentTab = 'rework';
                break;

            case 'select_campaign_a5':
                $campaignId = $_POST['campaign_id'] ?? '';
                if ($campaignId && isset($results['a5_campaigns'])) {
                    foreach ($results['a5_campaigns'] as $campaign) {
                        if ($campaign['asset_id'] === $campaignId) {
                            $results['selected_campaign_a5'] = $campaign;
                            $success = "Campaign selected: " . $campaign['campaign_name'];
                            $currentTab = 'rework';
                            break;
                        }
                    }
                }
                break;

            case 'get_rework_assets':
                if (isset($results['selected_campaign_a5'])) {
                    $campaignId = $results['selected_campaign_a5']['asset_id'];
                    // Find folder with rework assets (could be Final Assets or Rework folder)
                    $reworkFolderId = findUploadFolder($testRunner, $campaignId, $configV3);

                    if ($reworkFolderId) {
                        $results['rework_folder_id'] = $reworkFolderId;
                        $results['rework_assets'] = getAssetsFromFolder($testRunner, $reworkFolderId);
                        $success = "Found " . count($results['rework_assets']) . " assets needing rework";
                    } else {
                        $error = "Rework assets folder not found";
                    }
                }
                $currentTab = 'rework';
                break;

            case 'download_rework_asset':
                $assetId = $_POST['asset_id'] ?? '';
                $filename = $_POST['filename'] ?? '';

                if ($assetId && isset($results['selected_campaign_a5'])) {
                    $assetData = null;
                    if (isset($results['rework_assets'])) {
                        foreach ($results['rework_assets'] as $asset) {
                            if ($asset['asset_id'] === $assetId) {
                                $assetData = $asset;
                                break;
                            }
                        }
                    }

                    $result = downloadAsset($testRunner, $assetId, $filename, $results['selected_campaign_a5']['campaign_id'], $assetData);
                    $results['last_rework_download'] = $result;

                    if ($result['success']) {
                        $success = "Downloaded rework asset: " . $result['filename'];
                    } else {
                        $error = "Download failed: " . $result['error'];
                    }
                }
                $currentTab = 'rework';
                break;

            case 'download_all_rework':
                if (isset($results['rework_assets']) && isset($results['selected_campaign_a5'])) {
                    $downloadResults = downloadAllAssets($testRunner, $results['rework_assets'], $results['selected_campaign_a5']['campaign_id']);
                    $results['rework_bulk_download'] = $downloadResults;
                    $success = "Downloaded {$downloadResults['successful']} of {$downloadResults['total']} rework assets";
                }
                $currentTab = 'rework';
                break;

            case 'update_status_to_a6':
                if (isset($results['selected_campaign_a5'])) {
                    $statusManager = createStatusManager($testRunner);
                    $statusResult = $statusManager->updateCampaignStatus(
                        $results['selected_campaign_a5']['asset_id'],
                        'A6'
                    );

                    if ($statusResult['success']) {
                        $results['status_update_a6'] = $statusResult;
                        $success = "Campaign status updated to A6: Assets to be reworked received by the Agency";
                    } else {
                        $error = "Failed to update status";
                    }
                }
                $currentTab = 'rework';
                break;
        }
    } catch (Exception $e) {
        $error = "Action failed: " . $e->getMessage();
    }
}

// Helper Functions

function loadCampaignsByStatus($testRunner, $status)
{
    $statusManager = createStatusManager($testRunner);
    $response = $statusManager->searchCampaignsByStatus($status);

    if ($response['success']) {
        $data = json_decode($response['body'], true);
        return CampaignFormatter::getActionableCampaigns($response['body'], ['status' => $status]);
    }

    return [];
}

function findMasterAssetsFolder($testRunner, $campaignId, $configV3)
{
    $masterFolderName = $configV3->getFolderName('master_assets');

    $requests = $testRunner->getAvailableRequests();

    foreach ($requests as $index => $request) {
        $name = strtolower($request['name']);
        if (strpos($name, 'retrieve master asset folder') !== false ||
            strpos($name, 'master asset folder and final') !== false) {

            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            $url = preg_replace('/folders\/[a-f0-9]+\//', "folders/{$campaignId}/", $url);
            $url = str_replace('{{baseUrl}}', $configV3->getBaseUrl(), $url);

            if (is_array($modifiedRequest['request']['url'])) {
                $modifiedRequest['request']['url']['raw'] = $url;
            } else {
                $modifiedRequest['request']['url'] = $url;
            }

            $result = $testRunner->runSingleTest($modifiedRequest, $index);

            if ($result['status'] === 'PASS') {
                $data = json_decode($result['response']['body'], true);
                $folders = $data['folder_children']['asset_list'] ?? [];

                foreach ($folders as $folder) {
                    $folderName = extractFolderName($folder);
                    if (strpos($folderName, 'Master') !== false || $folderName === $masterFolderName) {
                        return $folder['asset_id'];
                    }
                }
            }
            break;
        }
    }

    return null;
}

function extractFolderName($folder)
{
    $nameFields = [
        'INER_NAME_GENERIC',
        'ARTESIA.FIELD.NAME',
        'FERRERO.FIELD.CAMPAIGN_NAME',
        'ARTESIA.FIELD.TITLE'
    ];

    if (isset($folder['metadata']['metadata_element_list'])) {
        foreach ($folder['metadata']['metadata_element_list'] as $category) {
            if (isset($category['metadata_element_list'])) {
                foreach ($category['metadata_element_list'] as $field) {
                    if (in_array($field['id'], $nameFields) && isset($field['value']['value']['value'])) {
                        return $field['value']['value']['value'];
                    }
                }
            }
        }
    }

    return $folder['name'] ?? $folder['title'] ?? 'Unnamed';
}

function getAssetsFromFolder($testRunner, $folderId)
{
    $requests = $testRunner->getAvailableRequests();

    foreach ($requests as $index => $request) {
        $name = strtolower($request['name']);
        if (strpos($name, 'retrieve all assets from') !== false) {
            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            $url = preg_replace('/folders\/[a-f0-9]+\//', "folders/{$folderId}/", $url);

            if (is_array($modifiedRequest['request']['url'])) {
                $modifiedRequest['request']['url']['raw'] = $url;
            } else {
                $modifiedRequest['request']['url'] = $url;
            }

            $result = $testRunner->runSingleTest($modifiedRequest, $index);

            if ($result['status'] === 'PASS') {
                $data = json_decode($result['response']['body'], true);
                $assets = $data['folder_children']['asset_list'] ?? [];

                // Filter out folders, only return files
                return array_filter($assets, function($asset) {
                    return ($asset['data_type'] ?? '') !== 'CONTAINER';
                });
            }
            break;
        }
    }

    return [];
}

function downloadAsset($testRunner, $assetId, $filename, $campaignId, $assetData = null)
{
    $apiClient = new ApiClient();
    $configV3 = new ConfigV3();
    $apiClient->setBaseUrl($configV3->getBaseUrl());

    // Get OAuth2 token
    $oauth2Handler = new ReflectionProperty($testRunner, 'oauth2Handler');
    $oauth2Handler->setAccessible(true);
    $oauth2HandlerInstance = $oauth2Handler->getValue($testRunner);
    if ($oauth2HandlerInstance) {
        $apiClient->setHeader('Authorization', $oauth2HandlerInstance->getAuthHeader());
    }

    $renditionUrl = null;
    $debugInfo = [];

    // If we have asset data from folder listing, use it directly
    if ($assetData) {
        $debugInfo['using_cached_asset_data'] = true;

        // Look for rendition URL in asset_content_info from folder listing
        if (isset($assetData['asset_content_info']['master_content']['url'])) {
            $renditionUrl = $assetData['asset_content_info']['master_content']['url'];
            $debugInfo['found_master_content_url'] = true;
        }
        elseif (isset($assetData['asset_content_info'][0]['url'])) {
            $renditionUrl = $assetData['asset_content_info'][0]['url'];
            $debugInfo['found_array_url'] = true;
        }
        elseif (isset($assetData['asset_content_info']['url'])) {
            $renditionUrl = $assetData['asset_content_info']['url'];
            $debugInfo['found_direct_url'] = true;
        }

        $debugInfo['has_asset_content_info'] = isset($assetData['asset_content_info']);
        $debugInfo['asset_content_info_type'] = isset($assetData['asset_content_info']) ? gettype($assetData['asset_content_info']) : 'not set';
    }

    // Fallback: Fetch asset metadata if not provided or rendition not found
    if (!$renditionUrl) {
        $debugInfo['fetching_from_api'] = true;

        $metadataRequest = [
            'method' => 'GET',
            'url' => "/v6/assets/{$assetId}?load_type=full"
        ];

        $metadataResponse = $apiClient->executeRequest($metadataRequest);

        if ($metadataResponse['success']) {
            $fetchedData = json_decode($metadataResponse['body'], true);
            $asset = $fetchedData['asset'] ?? $fetchedData;

            if (isset($asset['asset_content_info']['master_content']['url'])) {
                $renditionUrl = $asset['asset_content_info']['master_content']['url'];
            }
            elseif (isset($asset['asset_content_info'][0]['url'])) {
                $renditionUrl = $asset['asset_content_info'][0]['url'];
            }
            elseif (isset($asset['asset_content_info']['url'])) {
                $renditionUrl = $asset['asset_content_info']['url'];
            }

            $debugInfo['api_has_asset_content_info'] = isset($asset['asset_content_info']);
        }
    }

    // Try direct download if no rendition URL found
    if (!$renditionUrl) {
        $renditionUrl = "/v6/assets/{$assetId}/contents";
    }

    // Clean up the URL - remove /otmmapi prefix if present (base URL already has it)
    $renditionUrl = str_replace('/otmmapi/', '/', $renditionUrl);

    $debugInfo['final_url'] = $renditionUrl;

    // Try to download - first attempt with original/master rendition
    $request = [
        'method' => 'GET',
        'url' => $renditionUrl
    ];

    $response = $apiClient->executeRequest($request);
    $attempts = [['url' => $renditionUrl, 'type' => 'original', 'http_code' => $response['http_code']]];

    // If original fails and we have asset data, try preview/thumbnail renditions
    if ($response['success'] && !empty($response['body'])) {
        $jsonCheck = json_decode($response['body'], true);

        if ($jsonCheck && isset($jsonCheck['exception_body'])) {
            // Original failed, try alternative renditions from asset data
            $alternativeRenditions = [];

            if ($assetData && isset($assetData['asset_content_info'])) {
                $debugInfo['asset_content_info_count'] = count($assetData['asset_content_info']);

                foreach ($assetData['asset_content_info'] as $key => $contentInfo) {
                    if (is_array($contentInfo)) {
                        $rendType = $contentInfo['rendition_type'] ?? $key;
                        $debugInfo['content_info_keys'][] = $key;

                        if (isset($contentInfo['url'])) {
                            // Add ALL renditions, not just preview/thumbnail
                            $alternativeRenditions[] = [
                                'url' => str_replace('/otmmapi/', '/', $contentInfo['url']),
                                'type' => $rendType
                            ];
                        }
                    }
                }

                $debugInfo['alternative_renditions_found'] = count($alternativeRenditions);
            }

            // Try alternative renditions
            foreach ($alternativeRenditions as $altRendition) {
                $altRequest = ['method' => 'GET', 'url' => $altRendition['url']];
                $altResponse = $apiClient->executeRequest($altRequest);
                $attempts[] = ['url' => $altRendition['url'], 'type' => $altRendition['type'], 'http_code' => $altResponse['http_code']];

                if ($altResponse['success'] && !empty($altResponse['body'])) {
                    $altCheck = json_decode($altResponse['body'], true);
                    if (!$altCheck || !isset($altCheck['exception_body'])) {
                        // Success with alternative rendition!
                        $response = $altResponse;
                        $renditionUrl = $altRendition['url'];
                        $debugInfo['used_rendition'] = $altRendition['type'];
                        break;
                    }
                }
            }

            // Still failed after all attempts
            $finalCheck = json_decode($response['body'], true);
            if ($finalCheck && isset($finalCheck['exception_body'])) {
                return [
                    'success' => false,
                    'error' => $finalCheck['exception_body']['message'] ?? 'File not found in storage',
                    'http_code' => $finalCheck['exception_body']['http_response_code'] ?? 500,
                    'debug_message' => $finalCheck['exception_body']['debug_message'] ?? '',
                    'tried_url' => $renditionUrl,
                    'debug_info' => $debugInfo,
                    'all_attempts' => $attempts
                ];
            }
        }

        $downloadPath = $configV3->getDownloadPath($campaignId);

        if (!is_dir($downloadPath)) {
            mkdir($downloadPath, 0755, true);
        }

        $safeFilename = preg_replace('/[^a-zA-Z0-9._-]/', '_', $filename ?: "asset_{$assetId}");
        $fullPath = $downloadPath . '/' . $safeFilename;
        $bytesWritten = file_put_contents($fullPath, $response['body']);

        return [
            'success' => $bytesWritten !== false,
            'filename' => $safeFilename,
            'filepath' => $fullPath,
            'size' => $bytesWritten,
            'asset_id' => $assetId,
            'download_method' => 'rendition',
            'rendition_url' => $renditionUrl
        ];
    }

    return [
        'success' => false,
        'error' => $response['error'] ?? 'Download failed',
        'http_code' => $response['http_code'],
        'tried_url' => $renditionUrl
    ];
}

function downloadAllAssets($testRunner, $assets, $campaignId)
{
    $results = [
        'total' => count($assets),
        'successful' => 0,
        'failed' => 0,
        'details' => []
    ];

    foreach ($assets as $asset) {
        $filename = extractFolderName($asset);
        $result = downloadAsset($testRunner, $asset['asset_id'], $filename, $campaignId);

        if ($result['success']) {
            $results['successful']++;
        } else {
            $results['failed']++;
        }

        $results['details'][] = $result;
    }

    return $results;
}

function createStatusManager($testRunner)
{
    $apiClient = new ApiClient();
    $configV3 = new ConfigV3();
    $apiClient->setBaseUrl($configV3->getBaseUrl());

    $oauth2Handler = new ReflectionProperty($testRunner, 'oauth2Handler');
    $oauth2Handler->setAccessible(true);
    $oauth2HandlerInstance = $oauth2Handler->getValue($testRunner);
    if ($oauth2HandlerInstance) {
        $apiClient->setHeader('Authorization', $oauth2HandlerInstance->getAuthHeader());
    }

    return new StatusManager($apiClient);
}

function findUploadFolder($testRunner, $campaignId, $configV3)
{
    $finalFolderName = $configV3->getFolderName('final_assets');

    $requests = $testRunner->getAvailableRequests();

    foreach ($requests as $index => $request) {
        $name = strtolower($request['name']);
        if (strpos($name, 'retrieve master asset folder') !== false ||
            strpos($name, 'master asset folder and final') !== false) {

            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            $url = preg_replace('/folders\/[a-f0-9]+\//', "folders/{$campaignId}/", $url);
            $url = str_replace('{{baseUrl}}', $configV3->getBaseUrl(), $url);

            if (is_array($modifiedRequest['request']['url'])) {
                $modifiedRequest['request']['url']['raw'] = $url;
            } else {
                $modifiedRequest['request']['url'] = $url;
            }

            $result = $testRunner->runSingleTest($modifiedRequest, $index);

            if ($result['status'] === 'PASS') {
                $data = json_decode($result['response']['body'], true);
                $folders = $data['folder_children']['asset_list'] ?? [];

                foreach ($folders as $folder) {
                    $folderName = extractFolderName($folder);
                    // Look for Final Assets or Localized folder
                    if (strpos($folderName, 'Final') !== false ||
                        strpos($folderName, 'Localized') !== false ||
                        $folderName === $finalFolderName) {
                        return $folder['asset_id'];
                    }
                }
            }
            break;
        }
    }

    return null;
}

function uploadFiles($testRunner, $uploadedFiles, $folderId)
{
    $apiClient = new ApiClient();
    $configV3 = new ConfigV3();
    $apiClient->setBaseUrl($configV3->getBaseUrl());

    $oauth2Handler = new ReflectionProperty($testRunner, 'oauth2Handler');
    $oauth2Handler->setAccessible(true);
    $oauth2HandlerInstance = $oauth2Handler->getValue($testRunner);
    if ($oauth2HandlerInstance) {
        $apiClient->setHeader('Authorization', $oauth2HandlerInstance->getAuthHeader());
    }

    $uploader = new AssetUploader($apiClient, $folderId);

    $results = [
        'total' => 0,
        'successful' => 0,
        'failed' => 0,
        'details' => []
    ];

    // Handle multiple file upload
    if (isset($uploadedFiles['tmp_name'])) {
        $fileCount = is_array($uploadedFiles['tmp_name']) ? count($uploadedFiles['tmp_name']) : 1;
        $results['total'] = $fileCount;

        for ($i = 0; $i < $fileCount; $i++) {
            $tmpName = is_array($uploadedFiles['tmp_name']) ? $uploadedFiles['tmp_name'][$i] : $uploadedFiles['tmp_name'];
            $fileName = is_array($uploadedFiles['name']) ? $uploadedFiles['name'][$i] : $uploadedFiles['name'];
            $fileError = is_array($uploadedFiles['error']) ? $uploadedFiles['error'][$i] : $uploadedFiles['error'];

            if ($fileError !== UPLOAD_ERR_OK) {
                $results['details'][] = [
                    'success' => false,
                    'filename' => $fileName,
                    'error' => 'Upload error code: ' . $fileError
                ];
                $results['failed']++;
                continue;
            }

            $result = $uploader->uploadFile($tmpName, $folderId);

            if ($result['success']) {
                $results['successful']++;
            } else {
                $results['failed']++;
            }

            $results['details'][] = $result;
        }
    }

    return $results;
}

$oauth2Status = $testRunner ? $testRunner->getOAuth2Status() : null;
$envInfo = $configV3->getEnvironmentInfo();
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Content Scaling Workflow V3</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: #f5f5f5;
            padding: 20px;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 { margin-bottom: 10px; }
        .header p { opacity: 0.9; }

        .env-info {
            background: rgba(255,255,255,0.2);
            padding: 10px;
            border-radius: 4px;
            margin-top: 15px;
            font-size: 13px;
        }

        .tabs {
            display: flex;
            background: #f8f9fa;
            border-bottom: 2px solid #dee2e6;
        }

        .tab {
            flex: 1;
            padding: 15px 20px;
            text-align: center;
            cursor: pointer;
            border: none;
            background: transparent;
            font-size: 16px;
            font-weight: 500;
            color: #6c757d;
            transition: all 0.3s;
        }

        .tab:hover { background: #e9ecef; }

        .tab.active {
            background: white;
            color: #667eea;
            border-bottom: 3px solid #667eea;
        }

        .tab-content {
            padding: 30px;
            display: none;
        }

        .tab-content.active { display: block; }

        .alert {
            padding: 12px 20px;
            border-radius: 6px;
            margin-bottom: 20px;
        }

        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .alert-info {
            background: #d1ecf1;
            color: #0c5460;
            border: 1px solid #bee5eb;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            margin-right: 10px;
            margin-bottom: 10px;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover { background: #5568d3; }

        .btn-success {
            background: #28a745;
            color: white;
        }

        .btn-success:hover { background: #218838; }

        .btn-danger {
            background: #dc3545;
            color: white;
        }

        .btn-secondary {
            background: #6c757d;
            color: white;
        }

        .campaign-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .campaign-card {
            background: #f8f9fa;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .campaign-card:hover {
            border-color: #667eea;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

        .campaign-card.selected {
            border-color: #28a745;
            background: #f8fff9;
        }

        .campaign-card h3 {
            color: #333;
            margin-bottom: 10px;
        }

        .campaign-card p {
            margin: 5px 0;
            font-size: 14px;
            color: #666;
        }

        .asset-list {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }

        .asset-item {
            background: white;
            border: 1px solid #dee2e6;
            border-radius: 6px;
            padding: 15px;
            margin: 10px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .asset-info {
            flex: 1;
        }

        .asset-actions {
            display: flex;
            gap: 10px;
        }

        .metadata-display {
            background: #e9ecef;
            padding: 15px;
            border-radius: 6px;
            margin-top: 10px;
            font-size: 12px;
            font-family: monospace;
            max-height: 300px;
            overflow-y: auto;
            display: none;
        }

        .status-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .status-a1 { background: #fff3cd; color: #856404; }
        .status-a2 { background: #cfe2ff; color: #084298; }
        .status-a3 { background: #d1e7dd; color: #0f5132; }
        .status-a5 { background: #f8d7da; color: #842029; }
        .status-a6 { background: #e2d9f3; color: #432874; }
    </style>
</head>
<body>
    <div class="container">
        <div class="header">
            <h1>🎯 Content Scaling Workflow V3</h1>
            <p>Status-based workflow management for Ferrero DAM</p>
            <div class="env-info">
                <strong>Environment:</strong> <?= htmlspecialchars($envInfo['description']) ?>
                (<?= htmlspecialchars($envInfo['name']) ?>)
                <br>
                <strong>Base URL:</strong> <?= htmlspecialchars($envInfo['baseUrl']) ?>
            </div>
        </div>

        <?php if ($error): ?>
            <div style="padding: 20px;">
                <div class="alert alert-error">
                    <strong>❌ Error:</strong> <?= htmlspecialchars($error) ?>
                </div>
            </div>
        <?php endif; ?>

        <?php if ($success): ?>
            <div style="padding: 20px;">
                <div class="alert alert-success">
                    <strong>✅ Success:</strong> <?= htmlspecialchars($success) ?>
                </div>
            </div>
        <?php endif; ?>

        <?php if ($oauth2Status && $oauth2Status['enabled']): ?>
            <div style="padding: 20px; padding-bottom: 0;">
                <div class="alert alert-<?= ($oauth2Status['has_token'] ?? false) ? 'success' : 'error' ?>">
                    <?= ($oauth2Status['has_token'] ?? false) ? '✅ OAuth2 Token Active' : '❌ OAuth2 Token Issue' ?>
                    <?php if (($oauth2Status['has_token'] ?? false) && isset($oauth2Status['expires_at'])): ?>
                        - Expires: <?= htmlspecialchars($oauth2Status['expires_at']) ?>
                    <?php endif; ?>
                </div>
            </div>
        <?php endif; ?>

        <div class="tabs">
            <button class="tab <?= $currentTab === 'download' ? 'active' : '' ?>"
                    onclick="switchTab('download')">
                📥 Download Workflow (A1→A2)
            </button>
            <button class="tab <?= $currentTab === 'upload' ? 'active' : '' ?>"
                    onclick="switchTab('upload')">
                📤 Upload Workflow (A2→A3)
            </button>
            <button class="tab <?= $currentTab === 'rework' ? 'active' : '' ?>"
                    onclick="switchTab('rework')">
                🔄 Rework Workflow (A5→A6)
            </button>
        </div>

        <!-- Download Workflow Tab -->
        <div id="tab-download" class="tab-content <?= $currentTab === 'download' ? 'active' : '' ?>">
            <h2>📥 Download Workflow: A1 → A2</h2>
            <p style="color: #666; margin: 10px 0 20px 0;">
                Load campaigns with status A1, download master assets, and update status to A2
            </p>

            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="download">
                <input type="hidden" name="action" value="load_campaigns_a1">
                <button type="submit" class="btn btn-primary">Load Campaigns with Status A1</button>
            </form>

            <?php if (!empty($results)): ?>
            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="download">
                <input type="hidden" name="clear_results" value="1">
                <button type="submit" class="btn btn-secondary">🗑️ Clear Workflow Data</button>
            </form>
            <?php endif; ?>

            <?php if (isset($results['a1_campaigns']) && !empty($results['a1_campaigns'])): ?>
                <h3 style="margin-top: 30px;">Found <?= count($results['a1_campaigns']) ?> Campaigns</h3>
                <div class="campaign-grid">
                    <?php foreach ($results['a1_campaigns'] as $campaign): ?>
                        <div class="campaign-card <?= (isset($results['selected_campaign']) && $results['selected_campaign']['asset_id'] === $campaign['asset_id']) ? 'selected' : '' ?>"
                             onclick="selectCampaign('<?= htmlspecialchars($campaign['asset_id']) ?>')">
                            <h3><?= htmlspecialchars($campaign['campaign_name'] ?? 'Unnamed Campaign') ?></h3>
                            <p><strong>Campaign ID:</strong> <?= htmlspecialchars($campaign['campaign_id'] ?? 'N/A') ?></p>
                            <p><strong>Asset ID:</strong> <code style="font-size: 11px;"><?= htmlspecialchars($campaign['asset_id']) ?></code></p>
                            <p><strong>Brand:</strong> <?= htmlspecialchars($campaign['brand'] ?? 'N/A') ?></p>
                            <p><strong>Market:</strong> <?= htmlspecialchars($campaign['market'] ?? 'N/A') ?></p>
                            <p><span class="status-badge status-a1">A1 - Ready for Localization</span></p>
                        </div>
                    <?php endforeach; ?>
                </div>

                <form method="POST" id="select-campaign-form">
                    <input type="hidden" name="tab" value="download">
                    <input type="hidden" name="action" value="select_campaign_a1">
                    <input type="hidden" name="campaign_id" id="selected-campaign-id">
                    <button type="submit" class="btn btn-success" id="select-campaign-btn" disabled>
                        Select Campaign & Continue
                    </button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['selected_campaign'])): ?>
                <div class="alert alert-info" style="margin-top: 30px;">
                    <strong>Selected Campaign:</strong>
                    <?= htmlspecialchars($results['selected_campaign']['campaign_name']) ?>
                    (<?= htmlspecialchars($results['selected_campaign']['campaign_id']) ?>)
                    <br>
                    <small><strong>Asset ID:</strong> <code><?= htmlspecialchars($results['selected_campaign']['asset_id']) ?></code></small>
                    <br>
                    <a href="debug_assets.php?action=get_folders&campaign_id=<?= urlencode($results['selected_campaign']['asset_id']) ?>"
                       target="_blank" style="color: #667eea; font-size: 12px;">
                        🔍 Debug folder structure for this campaign
                    </a>
                </div>

                <form method="POST" style="margin-top: 20px;">
                    <input type="hidden" name="tab" value="download">
                    <input type="hidden" name="action" value="get_master_assets">
                    <button type="submit" class="btn btn-primary">Get Master Assets</button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['master_assets']) && !empty($results['master_assets'])): ?>
                <h3 style="margin-top: 30px;">Master Assets (<?= count($results['master_assets']) ?> files)</h3>

                <form method="POST" style="margin: 20px 0;">
                    <input type="hidden" name="tab" value="download">
                    <input type="hidden" name="action" value="download_all_assets">
                    <button type="submit" class="btn btn-success">📥 Download All Assets</button>
                </form>

                <div class="asset-list">
                    <?php foreach ($results['master_assets'] as $index => $asset): ?>
                        <?php
                        $assetName = extractFolderName($asset);
                        $assetId = $asset['asset_id'];
                        $metadataId = 'metadata-' . $index; // Use index instead of asset_id for simpler ID
                        ?>
                        <div class="asset-item">
                            <div class="asset-info">
                                <strong><?= htmlspecialchars($assetName) ?></strong><br>
                                <small>ID: <?= htmlspecialchars($assetId) ?></small><br>
                                <small>Type: <?= htmlspecialchars($asset['mime_type'] ?? 'Unknown') ?></small>
                                <?php if (isset($asset['file_size'])): ?>
                                    <small> | Size: <?= number_format($asset['file_size']) ?> bytes</small>
                                <?php endif; ?>
                            </div>
                            <div class="asset-actions">
                                <form method="POST" style="display: inline;">
                                    <input type="hidden" name="tab" value="download">
                                    <input type="hidden" name="action" value="download_asset">
                                    <input type="hidden" name="asset_id" value="<?= htmlspecialchars($assetId) ?>">
                                    <input type="hidden" name="filename" value="<?= htmlspecialchars($assetName) ?>">
                                    <button type="submit" class="btn btn-success">📥 Download</button>
                                </form>
                                <button class="btn btn-secondary"
                                        onclick="toggleMetadata('<?= $metadataId ?>')">
                                    📋 Metadata
                                </button>
                            </div>
                        </div>
                        <div id="<?= $metadataId ?>" class="metadata-display" style="display: none;">
                            <?php
                            $metadata = MetadataExtractor::extractAllMetadata($asset);
                            if (!empty($metadata)):
                            ?>
                                <div style="font-size: 13px;">
                                    <!-- Basic Info -->
                                    <?php if (isset($metadata['basic'])): ?>
                                    <div style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #667eea;">
                                        <strong>📋 Basic Info:</strong><br>
                                        <div style="margin-top: 8px; display: grid; grid-template-columns: 150px 1fr; gap: 5px;">
                                            <?php foreach ($metadata['basic'] as $key => $value): ?>
                                                <?php if ($value !== null): ?>
                                                    <div style="color: #666;"><?= ucwords(str_replace('_', ' ', $key)) ?>:</div>
                                                    <div><strong><?= htmlspecialchars($value) ?></strong></div>
                                                <?php endif; ?>
                                            <?php endforeach; ?>
                                        </div>
                                    </div>
                                    <?php endif; ?>

                                    <!-- Content Info -->
                                    <?php if (isset($metadata['content'])): ?>
                                    <div style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #28a745;">
                                        <strong>🖼️ Content Info:</strong><br>
                                        <div style="margin-top: 8px; display: grid; grid-template-columns: 150px 1fr; gap: 5px;">
                                            <?php foreach ($metadata['content'] as $key => $value): ?>
                                                <?php if ($value !== null && $value !== -1): ?>
                                                    <div style="color: #666;"><?= ucwords(str_replace('_', ' ', $key)) ?>:</div>
                                                    <div><strong><?= is_string($value) ? htmlspecialchars($value) : $value ?></strong></div>
                                                <?php endif; ?>
                                            <?php endforeach; ?>
                                        </div>
                                    </div>
                                    <?php endif; ?>

                                    <!-- Custom Fields by Category -->
                                    <?php if (isset($metadata['custom_fields'])): ?>
                                        <?php foreach ($metadata['custom_fields'] as $category => $fields): ?>
                                            <?php if (!empty($fields)): ?>
                                            <details style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #ffc107;">
                                                <summary style="cursor: pointer; font-weight: 600; color: #333;">
                                                    📁 <?= htmlspecialchars($category) ?> (<?= count($fields) ?> fields)
                                                </summary>
                                                <div style="margin-top: 8px; display: grid; grid-template-columns: 200px 1fr; gap: 5px;">
                                                    <?php foreach ($fields as $fieldName => $fieldData): ?>
                                                        <div style="color: #666; padding-top: 4px;"><?= htmlspecialchars($fieldName) ?>:</div>
                                                        <div style="padding-top: 4px;">
                                                            <strong>
                                                            <?php
                                                            if (is_array($fieldData['value'])) {
                                                                echo htmlspecialchars(implode(', ', $fieldData['value']));
                                                            } else {
                                                                echo htmlspecialchars($fieldData['value']);
                                                            }
                                                            ?>
                                                            </strong>
                                                        </div>
                                                    <?php endforeach; ?>
                                                </div>
                                            </details>
                                            <?php endif; ?>
                                        <?php endforeach; ?>
                                    <?php endif; ?>

                                    <!-- Permissions -->
                                    <?php if (isset($metadata['permissions'])): ?>
                                    <details style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #dc3545;">
                                        <summary style="cursor: pointer; font-weight: 600; color: #333;">🔐 Permissions</summary>
                                        <div style="margin-top: 8px; columns: 2;">
                                            <?php foreach ($metadata['permissions'] as $perm => $value): ?>
                                                <div style="padding: 2px 0;">
                                                    <?= $value ? '✅' : '❌' ?> <?= htmlspecialchars(preg_replace('/Permission$/', '', $perm)) ?>
                                                </div>
                                            <?php endforeach; ?>
                                        </div>
                                    </details>
                                    <?php endif; ?>

                                    <!-- Renditions -->
                                    <?php if (isset($metadata['renditions'])): ?>
                                    <details style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #17a2b8;">
                                        <summary style="cursor: pointer; font-weight: 600; color: #333;">🎨 Renditions (<?= count($metadata['renditions']) ?>)</summary>
                                        <div style="margin-top: 8px;">
                                            <?php foreach ($metadata['renditions'] as $rendName => $rendData): ?>
                                                <div style="background: #f8f9fa; padding: 8px; margin: 4px 0; border-radius: 3px;">
                                                    <strong><?= htmlspecialchars($rendName) ?></strong><br>
                                                    <small>Size: <?= number_format($rendData['content_size'] ?? 0) ?> bytes |
                                                    <?= $rendData['width'] ?? 0 ?>x<?= $rendData['height'] ?? 0 ?>px |
                                                    <?= htmlspecialchars($rendData['mime_type'] ?? 'N/A') ?></small>
                                                </div>
                                            <?php endforeach; ?>
                                        </div>
                                    </details>
                                    <?php endif; ?>
                                </div>
                            <?php else: ?>
                                <p>No metadata available for this asset</p>
                            <?php endif; ?>
                        </div>
                    <?php endforeach; ?>
                </div>

                <div style="margin-top: 30px; padding: 20px; background: #fff3cd; border-radius: 8px;">
                    <h4>⚠️ Update Status to A2</h4>
                    <p style="margin: 10px 0;">
                        Once all assets are downloaded (or attempted), update the campaign status to A2
                        (Selected Master Assets sent to Agency)
                    </p>
                    <p style="margin: 10px 0; font-size: 13px; color: #856404;">
                        <strong>Note:</strong> If files don't exist in storage (test environment), you can still
                        update the status to test the workflow progression.
                    </p>
                    <form method="POST">
                        <input type="hidden" name="tab" value="download">
                        <input type="hidden" name="action" value="update_status_to_a2">
                        <button type="submit" class="btn btn-success">Update Status: A1 → A2</button>
                    </form>
                </div>
            <?php endif; ?>

            <?php if (isset($results['last_download'])): ?>
                <?php $dl = $results['last_download']; ?>
                <div class="alert alert-<?= $dl['success'] ? 'success' : 'error' ?>" style="margin-top: 20px;">
                    <?php if ($dl['success']): ?>
                        <strong>✅ Download Successful:</strong> <?= htmlspecialchars($dl['filename']) ?>
                        <br><small>Size: <?= number_format($dl['size']) ?> bytes | Path: <?= htmlspecialchars($dl['filepath']) ?></small>
                        <?php if (isset($dl['download_method'])): ?>
                            <br><small>Method: <?= htmlspecialchars($dl['download_method']) ?> | URL: <?= htmlspecialchars($dl['rendition_url'] ?? 'N/A') ?></small>
                        <?php endif; ?>
                    <?php else: ?>
                        <strong>❌ Download Failed:</strong> <?= htmlspecialchars($dl['error']) ?>
                        <br><small>HTTP Code: <?= $dl['http_code'] ?></small>
                        <?php if (isset($dl['tried_url'])): ?>
                            <br><small>Tried URL: <?= htmlspecialchars($dl['tried_url']) ?></small>
                        <?php endif; ?>
                        <?php if (isset($dl['debug_message'])): ?>
                            <br><small>Details: <?= htmlspecialchars($dl['debug_message']) ?></small>
                        <?php endif; ?>
                        <?php if (isset($dl['debug_info']) && !empty($dl['debug_info'])): ?>
                            <br><small>Debug: <?= htmlspecialchars(json_encode($dl['debug_info'])) ?></small>
                        <?php endif; ?>
                        <?php if (isset($dl['all_attempts']) && !empty($dl['all_attempts'])): ?>
                            <details style="margin-top: 10px;">
                                <summary style="cursor: pointer; font-size: 12px;">View all download attempts (<?= count($dl['all_attempts']) ?>)</summary>
                                <div style="margin-top: 8px; font-size: 11px;">
                                    <?php foreach ($dl['all_attempts'] as $idx => $att): ?>
                                        <div style="padding: 4px; background: #f8f9fa; margin: 2px 0; border-radius: 3px;">
                                            <?= $idx + 1 ?>. [<?= htmlspecialchars($att['type']) ?>] <?= htmlspecialchars($att['url']) ?>
                                            - HTTP <?= $att['http_code'] ?>
                                        </div>
                                    <?php endforeach; ?>
                                </div>
                            </details>
                        <?php endif; ?>
                    <?php endif; ?>
                </div>
            <?php endif; ?>

            <?php if (isset($results['bulk_download'])): ?>
                <div class="alert alert-<?= $results['bulk_download']['successful'] === $results['bulk_download']['total'] ? 'success' : 'error' ?>"
                     style="margin-top: 20px;">
                    <strong>Bulk Download Results:</strong>
                    <?= $results['bulk_download']['successful'] ?> of <?= $results['bulk_download']['total'] ?> assets downloaded successfully
                    <?php if ($results['bulk_download']['failed'] > 0): ?>
                        <br><small><?= $results['bulk_download']['failed'] ?> files failed (may not exist in storage)</small>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
        </div>

        <!-- Upload Workflow Tab -->
        <div id="tab-upload" class="tab-content <?= $currentTab === 'upload' ? 'active' : '' ?>">
            <h2>📤 Upload Workflow: A2 → A3</h2>
            <p style="color: #666; margin: 10px 0 20px 0;">
                Load campaigns with status A2 (assets sent to agency), upload processed files, and update status to A3
            </p>

            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="upload">
                <input type="hidden" name="action" value="load_campaigns_a2">
                <button type="submit" class="btn btn-primary">Load Campaigns with Status A2</button>
            </form>

            <?php if (!empty($results) && $currentTab === 'upload'): ?>
            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="upload">
                <input type="hidden" name="clear_results" value="1">
                <button type="submit" class="btn btn-secondary">🗑️ Clear Workflow Data</button>
            </form>
            <?php endif; ?>

            <?php if (isset($results['a2_campaigns']) && !empty($results['a2_campaigns'])): ?>
                <h3 style="margin-top: 30px;">Found <?= count($results['a2_campaigns']) ?> Campaigns</h3>
                <div class="campaign-grid">
                    <?php foreach ($results['a2_campaigns'] as $campaign): ?>
                        <div class="campaign-card <?= (isset($results['selected_campaign_a2']) && $results['selected_campaign_a2']['asset_id'] === $campaign['asset_id']) ? 'selected' : '' ?>"
                             onclick="selectCampaignA2('<?= htmlspecialchars($campaign['asset_id']) ?>')">
                            <h3><?= htmlspecialchars($campaign['campaign_name'] ?? 'Unnamed Campaign') ?></h3>
                            <p><strong>Campaign ID:</strong> <?= htmlspecialchars($campaign['campaign_id'] ?? 'N/A') ?></p>
                            <p><strong>Asset ID:</strong> <code style="font-size: 11px;"><?= htmlspecialchars($campaign['asset_id']) ?></code></p>
                            <p><strong>Brand:</strong> <?= htmlspecialchars($campaign['brand'] ?? 'N/A') ?></p>
                            <p><strong>Market:</strong> <?= htmlspecialchars($campaign['market'] ?? 'N/A') ?></p>
                            <p><span class="status-badge status-a2">A2 - Assets Sent to Agency</span></p>
                        </div>
                    <?php endforeach; ?>
                </div>

                <form method="POST" id="select-campaign-a2-form">
                    <input type="hidden" name="tab" value="upload">
                    <input type="hidden" name="action" value="select_campaign_a2">
                    <input type="hidden" name="campaign_id" id="selected-campaign-a2-id">
                    <button type="submit" class="btn btn-success" id="select-campaign-a2-btn" disabled>
                        Select Campaign & Continue
                    </button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['selected_campaign_a2'])): ?>
                <div class="alert alert-info" style="margin-top: 30px;">
                    <strong>Selected Campaign:</strong>
                    <?= htmlspecialchars($results['selected_campaign_a2']['campaign_name']) ?>
                    (<?= htmlspecialchars($results['selected_campaign_a2']['campaign_id']) ?>)
                </div>

                <?php if (!isset($results['upload_folder_id'])): ?>
                <form method="POST" style="margin-top: 20px;">
                    <input type="hidden" name="tab" value="upload">
                    <input type="hidden" name="action" value="get_upload_folder">
                    <button type="submit" class="btn btn-primary">Find Upload Folder (Final Assets)</button>
                </form>
                <?php endif; ?>
            <?php endif; ?>

            <?php if (isset($results['upload_folder_id'])): ?>
                <div class="alert alert-success" style="margin-top: 20px;">
                    ✅ Upload target folder found
                </div>

                <h3 style="margin-top: 30px;">Upload Processed Files</h3>
                <form method="POST" enctype="multipart/form-data">
                    <input type="hidden" name="tab" value="upload">
                    <input type="hidden" name="action" value="upload_files">

                    <div style="background: #f8f9fa; padding: 20px; border-radius: 8px; margin: 20px 0;">
                        <label style="display: block; margin-bottom: 10px; font-weight: 600;">
                            Select files to upload:
                        </label>
                        <input type="file" name="upload_files[]" multiple
                               accept=".jpg,.jpeg,.png,.gif,.pdf,.ai,.psd,.eps,.tif,.tiff"
                               style="padding: 10px; border: 2px dashed #667eea; border-radius: 6px; width: 100%; background: white;">
                        <p style="font-size: 13px; color: #666; margin-top: 10px;">
                            Accepted formats: JPG, PNG, GIF, PDF, AI, PSD, EPS, TIFF
                        </p>
                    </div>

                    <button type="submit" class="btn btn-success">📤 Upload Files to DAM</button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['upload_results'])): ?>
                <?php $ur = $results['upload_results']; ?>
                <div class="alert alert-<?= $ur['successful'] > 0 ? 'success' : 'error' ?>" style="margin-top: 20px;">
                    <strong>Upload Results:</strong>
                    <?= $ur['successful'] ?> of <?= $ur['total'] ?> files uploaded successfully

                    <?php if (!empty($ur['details'])): ?>
                    <details style="margin-top: 15px;">
                        <summary style="cursor: pointer;">View upload details</summary>
                        <div style="margin-top: 10px;">
                            <?php foreach ($ur['details'] as $idx => $detail): ?>
                                <div style="padding: 8px; margin: 5px 0; background: white; border-radius: 4px;">
                                    <?php if ($detail['success']): ?>
                                        ✅ <?= htmlspecialchars($detail['filename']) ?>
                                        <br><small>Asset ID: <?= htmlspecialchars($detail['asset_id'] ?? 'N/A') ?></small>
                                    <?php else: ?>
                                        ❌ <?= htmlspecialchars($detail['filename'] ?? 'Unknown') ?>
                                        <br><small>Error: <?= htmlspecialchars($detail['error']) ?></small>
                                    <?php endif; ?>
                                </div>
                            <?php endforeach; ?>
                        </div>
                    </details>
                    <?php endif; ?>
                </div>

                <?php if ($ur['successful'] > 0): ?>
                <div style="margin-top: 30px; padding: 20px; background: #d4edda; border-radius: 8px;">
                    <h4>✅ Update Status to A3</h4>
                    <p style="margin: 10px 0;">
                        Files have been uploaded. Update the campaign status to A3
                        (Localized Asset received from Agency)
                    </p>
                    <form method="POST">
                        <input type="hidden" name="tab" value="upload">
                        <input type="hidden" name="action" value="update_status_to_a3">
                        <button type="submit" class="btn btn-success">Update Status: A2 → A3</button>
                    </form>
                </div>
                <?php endif; ?>
            <?php endif; ?>
        </div>

        <!-- Rework Workflow Tab -->
        <div id="tab-rework" class="tab-content <?= $currentTab === 'rework' ? 'active' : '' ?>">
            <h2>🔄 Rework Workflow: A5 → A6</h2>
            <p style="color: #666; margin: 10px 0 20px 0;">
                Load campaigns with status A5 (rework needed), download assets for rework, and update status to A6
            </p>

            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="rework">
                <input type="hidden" name="action" value="load_campaigns_a5">
                <button type="submit" class="btn btn-primary">Load Campaigns with Status A5</button>
            </form>

            <?php if (!empty($results) && $currentTab === 'rework'): ?>
            <form method="POST" style="display: inline-block;">
                <input type="hidden" name="tab" value="rework">
                <input type="hidden" name="clear_results" value="1">
                <button type="submit" class="btn btn-secondary">🗑️ Clear Workflow Data</button>
            </form>
            <?php endif; ?>

            <?php if (isset($results['a5_campaigns']) && !empty($results['a5_campaigns'])): ?>
                <h3 style="margin-top: 30px;">Found <?= count($results['a5_campaigns']) ?> Campaigns Needing Rework</h3>
                <div class="campaign-grid">
                    <?php foreach ($results['a5_campaigns'] as $campaign): ?>
                        <div class="campaign-card <?= (isset($results['selected_campaign_a5']) && $results['selected_campaign_a5']['asset_id'] === $campaign['asset_id']) ? 'selected' : '' ?>"
                             onclick="selectCampaignA5('<?= htmlspecialchars($campaign['asset_id']) ?>')">
                            <h3><?= htmlspecialchars($campaign['campaign_name'] ?? 'Unnamed Campaign') ?></h3>
                            <p><strong>Campaign ID:</strong> <?= htmlspecialchars($campaign['campaign_id'] ?? 'N/A') ?></p>
                            <p><strong>Asset ID:</strong> <code style="font-size: 11px;"><?= htmlspecialchars($campaign['asset_id']) ?></code></p>
                            <p><strong>Brand:</strong> <?= htmlspecialchars($campaign['brand'] ?? 'N/A') ?></p>
                            <p><strong>Market:</strong> <?= htmlspecialchars($campaign['market'] ?? 'N/A') ?></p>
                            <p><span class="status-badge status-a5">A5 - Rework Needed</span></p>
                        </div>
                    <?php endforeach; ?>
                </div>

                <form method="POST" id="select-campaign-a5-form">
                    <input type="hidden" name="tab" value="rework">
                    <input type="hidden" name="action" value="select_campaign_a5">
                    <input type="hidden" name="campaign_id" id="selected-campaign-a5-id">
                    <button type="submit" class="btn btn-success" id="select-campaign-a5-btn" disabled>
                        Select Campaign & Continue
                    </button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['selected_campaign_a5'])): ?>
                <div class="alert alert-info" style="margin-top: 30px;">
                    <strong>Selected Campaign:</strong>
                    <?= htmlspecialchars($results['selected_campaign_a5']['campaign_name']) ?>
                    (<?= htmlspecialchars($results['selected_campaign_a5']['campaign_id']) ?>)
                </div>

                <form method="POST" style="margin-top: 20px;">
                    <input type="hidden" name="tab" value="rework">
                    <input type="hidden" name="action" value="get_rework_assets">
                    <button type="submit" class="btn btn-primary">Get Rework Assets</button>
                </form>
            <?php endif; ?>

            <?php if (isset($results['rework_assets']) && !empty($results['rework_assets'])): ?>
                <h3 style="margin-top: 30px;">Rework Assets (<?= count($results['rework_assets']) ?> files)</h3>

                <form method="POST" style="margin: 20px 0;">
                    <input type="hidden" name="tab" value="rework">
                    <input type="hidden" name="action" value="download_all_rework">
                    <button type="submit" class="btn btn-success">📥 Download All Rework Assets</button>
                </form>

                <div class="asset-list">
                    <?php foreach ($results['rework_assets'] as $index => $asset): ?>
                        <?php
                        $assetName = extractFolderName($asset);
                        $assetId = $asset['asset_id'];
                        $metadataId = 'rework-metadata-' . $index;
                        ?>
                        <div class="asset-item">
                            <div class="asset-info">
                                <strong><?= htmlspecialchars($assetName) ?></strong><br>
                                <small>ID: <?= htmlspecialchars($assetId) ?></small><br>
                                <small>Type: <?= htmlspecialchars($asset['mime_type'] ?? 'Unknown') ?></small>
                                <?php if (isset($asset['file_size'])): ?>
                                    <small> | Size: <?= number_format($asset['file_size']) ?> bytes</small>
                                <?php endif; ?>
                            </div>
                            <div class="asset-actions">
                                <form method="POST" style="display: inline;">
                                    <input type="hidden" name="tab" value="rework">
                                    <input type="hidden" name="action" value="download_rework_asset">
                                    <input type="hidden" name="asset_id" value="<?= htmlspecialchars($assetId) ?>">
                                    <input type="hidden" name="filename" value="<?= htmlspecialchars($assetName) ?>">
                                    <button type="submit" class="btn btn-success">📥 Download</button>
                                </form>
                                <button class="btn btn-secondary"
                                        onclick="toggleMetadata('<?= $metadataId ?>')">
                                    📋 Metadata
                                </button>
                            </div>
                        </div>
                        <div id="<?= $metadataId ?>" class="metadata-display" style="display: none;">
                            <?php
                            $metadata = MetadataExtractor::extractAllMetadata($asset);
                            if (!empty($metadata)):
                            ?>
                                <div style="font-size: 13px;">
                                    <!-- Same metadata display as download tab -->
                                    <?php if (isset($metadata['basic'])): ?>
                                    <div style="background: white; padding: 12px; margin: 8px 0; border-radius: 4px; border-left: 4px solid #667eea;">
                                        <strong>📋 Basic Info:</strong><br>
                                        <div style="margin-top: 8px; display: grid; grid-template-columns: 150px 1fr; gap: 5px;">
                                            <?php foreach ($metadata['basic'] as $key => $value): ?>
                                                <?php if ($value !== null): ?>
                                                    <div style="color: #666;"><?= ucwords(str_replace('_', ' ', $key)) ?>:</div>
                                                    <div><strong><?= htmlspecialchars($value) ?></strong></div>
                                                <?php endif; ?>
                                            <?php endforeach; ?>
                                        </div>
                                    </div>
                                    <?php endif; ?>
                                </div>
                            <?php else: ?>
                                <p>No metadata available for this asset</p>
                            <?php endif; ?>
                        </div>
                    <?php endforeach; ?>
                </div>

                <div style="margin-top: 30px; padding: 20px; background: #fff3cd; border-radius: 8px;">
                    <h4>⚠️ Update Status to A6</h4>
                    <p style="margin: 10px 0;">
                        Once rework assets are downloaded, update the campaign status to A6
                        (Assets to be reworked received by the Agency)
                    </p>
                    <form method="POST">
                        <input type="hidden" name="tab" value="rework">
                        <input type="hidden" name="action" value="update_status_to_a6">
                        <button type="submit" class="btn btn-success">Update Status: A5 → A6</button>
                    </form>
                </div>
            <?php endif; ?>

            <?php if (isset($results['last_rework_download'])): ?>
                <?php $dl = $results['last_rework_download']; ?>
                <div class="alert alert-<?= $dl['success'] ? 'success' : 'error' ?>" style="margin-top: 20px;">
                    <?php if ($dl['success']): ?>
                        <strong>✅ Download Successful:</strong> <?= htmlspecialchars($dl['filename']) ?>
                        <br><small>Size: <?= number_format($dl['size']) ?> bytes</small>
                    <?php else: ?>
                        <strong>❌ Download Failed:</strong> <?= htmlspecialchars($dl['error']) ?>
                    <?php endif; ?>
                </div>
            <?php endif; ?>

            <?php if (isset($results['rework_bulk_download'])): ?>
                <div class="alert alert-success" style="margin-top: 20px;">
                    <strong>Bulk Download Results:</strong>
                    <?= $results['rework_bulk_download']['successful'] ?> of <?= $results['rework_bulk_download']['total'] ?> rework assets downloaded
                </div>
            <?php endif; ?>
        </div>
    </div>

    <script>
        function switchTab(tabName) {
            // Update tabs
            document.querySelectorAll('.tab').forEach(tab => tab.classList.remove('active'));
            document.querySelectorAll('.tab-content').forEach(content => content.classList.remove('active'));

            event.target.classList.add('active');
            document.getElementById('tab-' + tabName).classList.add('active');

            // Update URL without reload
            const url = new URL(window.location);
            url.searchParams.set('tab', tabName);
            window.history.pushState({}, '', url);
        }

        function selectCampaign(campaignId) {
            document.querySelectorAll('.campaign-card').forEach(card => {
                card.classList.remove('selected');
            });

            event.currentTarget.classList.add('selected');
            document.getElementById('selected-campaign-id').value = campaignId;
            document.getElementById('select-campaign-btn').disabled = false;
        }

        function toggleMetadata(metadataId) {
            const metadataDiv = document.getElementById(metadataId);
            if (metadataDiv) {
                metadataDiv.style.display = metadataDiv.style.display === 'none' ? 'block' : 'none';
            }
        }

        function selectCampaignA2(campaignId) {
            document.querySelectorAll('.campaign-card').forEach(card => {
                card.classList.remove('selected');
            });

            event.currentTarget.classList.add('selected');
            document.getElementById('selected-campaign-a2-id').value = campaignId;
            document.getElementById('select-campaign-a2-btn').disabled = false;
        }

        function selectCampaignA5(campaignId) {
            document.querySelectorAll('.campaign-card').forEach(card => {
                card.classList.remove('selected');
            });

            event.currentTarget.classList.add('selected');
            document.getElementById('selected-campaign-a5-id').value = campaignId;
            document.getElementById('select-campaign-a5-btn').disabled = false;
        }
    </script>
</body>
</html>