<?php
session_start();

// Clear any existing session data
if (isset($_GET['reset'])) {
    session_destroy();
    session_start();
    header('Location: clean_workflow.php');
    exit;
}

require_once 'src/TestRunner.php';
require_once 'src/CampaignFormatter.php';
require_once 'src/AssetDownloader.php';
require_once 'src/MetadataExtractor.php';

$config = [
    'baseUrl' => '',
    'apiKey' => '',
    'timeout' => 120,
    'headers' => [
        'Content-Type' => 'application/json',
        'Accept' => 'application/json'
    ]
];

$collectionPath = __DIR__ . '/Content Scaling Flow.postman_collection_Oliver(New).json';

$testRunner = null;
$error = null;
$campaigns = [];
$selectedCampaign = null;
$workflowStep = 1;
$workflowResults = [];

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

// Handle ONLY explicit user actions
if ($_POST && $testRunner) {
    if ($_POST['action'] === 'load_campaigns') {
        // Load campaigns from API
        $requests = $testRunner->getAvailableRequests();
        
        foreach ($requests as $index => $request) {
            if (strpos($request['name'], 'Retrieve Localized Campaign Folders') !== false) {
                $result = $testRunner->runSingleTest($request, $index);
                
                if ($result['status'] === 'PASS') {
                    // Filter to only show "3 - Production & execution" campaigns
                    $filters = ['stage' => '3 - Production & execution'];
                    $campaigns = CampaignFormatter::getActionableCampaigns($result['response']['body'], $filters);
                    $message = "Successfully loaded " . count($campaigns) . " campaigns in '3 - Production & execution' stage";
                } else {
                    $error = "Failed to load campaigns: " . ($result['response']['error'] ?? 'Unknown error');
                }
                break;
            }
        }
    }
    
    if ($_POST['action'] === 'select_campaign') {
        $selectedCampaignId = $_POST['selected_campaign_id'] ?? '';
        if ($selectedCampaignId && !empty($_POST['campaigns_data'])) {
            $allCampaigns = json_decode($_POST['campaigns_data'], true);
            foreach ($allCampaigns as $campaign) {
                if ($campaign['asset_id'] === $selectedCampaignId) {
                    $selectedCampaign = $campaign;
                    $_SESSION['selected_campaign'] = $campaign; // Store in session
                    $workflowStep = 2;
                    break;
                }
            }
        }
    }
    
    if ($_POST['action'] === 'get_folders') {
        // Get selected campaign from session or previous step
        if (isset($_SESSION['selected_campaign'])) {
            $selectedCampaign = $_SESSION['selected_campaign'];
            $campaignId = $selectedCampaign['asset_id'] ?? '';
            if ($campaignId) {
                $workflowResults['folders'] = getAssetFolders($testRunner, $campaignId);
                $workflowStep = 2; // Stay on step 2
            }
        } else {
            $error = "No campaign selected. Please go back to Step 1.";
        }
    }
    
    if ($_POST['action'] === 'download_asset') {
        $assetId = $_POST['asset_id'] ?? '';
        $filename = $_POST['filename'] ?? '';
        
        if ($assetId && isset($_SESSION['selected_campaign'])) {
            $selectedCampaign = $_SESSION['selected_campaign'];
            
            // Create downloader instance
            $apiClient = new ApiClient();
            $apiClient->setBaseUrl('https://ppr.dam.ferrero.com/otmmapi');
            
            // Get OAuth2 token
            if ($testRunner) {
                $oauth2Status = $testRunner->getOAuth2Status();
                if ($oauth2Status['enabled'] && ($oauth2Status['has_token'] ?? false)) {
                    try {
                        $token = $testRunner->refreshToken() ? 'refreshed' : 'existing';
                        $oauth2Handler = new ReflectionProperty($testRunner, 'oauth2Handler');
                        $oauth2Handler->setAccessible(true);
                        $oauth2HandlerInstance = $oauth2Handler->getValue($testRunner);
                        if ($oauth2HandlerInstance) {
                            $apiClient->setHeader('Authorization', $oauth2HandlerInstance->getAuthHeader());
                        }
                    } catch (Exception $e) {
                        $error = "OAuth2 token error: " . $e->getMessage();
                    }
                }
            }
            
            if (!isset($error)) {
                // Test the direct content endpoint first - CORRECT endpoint with 's'
                $testRequest = [
                    'method' => 'GET',
                    'url' => "/v6/assets/{$assetId}/contents"
                ];
                
                $testResponse = $apiClient->executeRequest($testRequest);
                
                if ($testResponse['success'] && !empty($testResponse['body'])) {
                    // Direct download worked!
                    $safeFilename = preg_replace('/[^a-zA-Z0-9._-]/', '_', $filename ?: "asset_{$assetId}");
                    if (!pathinfo($safeFilename, PATHINFO_EXTENSION)) {
                        $safeFilename .= '.jpg'; // Default extension
                    }
                    
                    if (!is_dir('downloads/')) {
                        mkdir('downloads/', 0755, true);
                    }
                    
                    $fullPath = 'downloads/' . $safeFilename;
                    $bytesWritten = file_put_contents($fullPath, $testResponse['body']);
                    
                    $workflowResults['download'] = [
                        'success' => $bytesWritten !== false,
                        'filename' => $safeFilename,
                        'filepath' => $fullPath,
                        'size' => $bytesWritten ?: 0,
                        'asset_id' => $assetId,
                        'download_url' => "/v6/assets/{$assetId}/contents",
                        'method' => 'direct_content_endpoint'
                    ];
                } else {
                    // Fall back to AssetDownloader
                    $downloader = new AssetDownloader($apiClient);
                    $result = $downloader->downloadAsset($assetId, $filename);
                    $result['direct_test'] = [
                        'attempted' => true,
                        'success' => false,
                        'http_code' => $testResponse['http_code'] ?? 0,
                        'error' => $testResponse['error'] ?? null,
                        'response_size' => strlen($testResponse['body'] ?? '')
                    ];
                    $workflowResults['download'] = $result;
                }
                
                $workflowStep = 2; // Stay on step 2
            }
        }
    }
    
    if ($_POST['action'] === 'download_folder') {
        $folderAssetIds = $_POST['folder_asset_ids'] ?? [];
        $folderName = $_POST['folder_name'] ?? 'folder_download';
        
        if (!empty($folderAssetIds) && isset($_SESSION['selected_campaign'])) {
            $selectedCampaign = $_SESSION['selected_campaign'];
            
            // Setup API client similar to single download
            $apiClient = new ApiClient();
            $apiClient->setBaseUrl('https://ppr.dam.ferrero.com/otmmapi');
            
            if ($testRunner) {
                $oauth2Status = $testRunner->getOAuth2Status();
                if ($oauth2Status['enabled'] && ($oauth2Status['has_token'] ?? false)) {
                    try {
                        $oauth2Handler = new ReflectionProperty($testRunner, 'oauth2Handler');
                        $oauth2Handler->setAccessible(true);
                        $oauth2HandlerInstance = $oauth2Handler->getValue($testRunner);
                        if ($oauth2HandlerInstance) {
                            $apiClient->setHeader('Authorization', $oauth2HandlerInstance->getAuthHeader());
                        }
                    } catch (Exception $e) {
                        $error = "OAuth2 token error: " . $e->getMessage();
                    }
                }
            }
            
            if (!isset($error)) {
                $downloader = new AssetDownloader($apiClient);
                $result = $downloader->downloadMultipleAssets($folderAssetIds, $folderName);
                $workflowResults['bulk_download'] = $result;
                $workflowStep = 2; // Stay on step 2
            }
        }
    }
    
    if ($_POST['action'] === 'explore_folder') {
        $folderId = $_POST['folder_id'] ?? '';
        $folderName = $_POST['folder_name'] ?? 'Unnamed';
        if ($folderId && isset($_SESSION['selected_campaign'])) {
            $selectedCampaign = $_SESSION['selected_campaign'];
            $workflowResults['folder_contents'] = getAssetsFromFolder($testRunner, $folderId);
            $workflowResults['explored_folder_name'] = $folderName;
            $workflowStep = 2; // Stay on step 2 but show folder contents
        }
    }
    
    if ($_POST['action'] === 'explore_all_folders') {
        $folderIds = $_POST['folder_ids'] ?? [];
        if (!empty($folderIds) && isset($_SESSION['selected_campaign'])) {
            $selectedCampaign = $_SESSION['selected_campaign'];
            $workflowResults['all_folder_contents'] = [];
            
            foreach ($folderIds as $index => $folderId) {
                $result = getAssetsFromFolder($testRunner, $folderId);
                $workflowResults['all_folder_contents'][] = [
                    'folder_id' => $folderId,
                    'folder_name' => "Folder " . ($index + 1),
                    'result' => $result
                ];
            }
            $workflowStep = 2;
        }
    }
}

function getAssetFolders($testRunner, $campaignId) {
    $requests = $testRunner->getAvailableRequests();
    
    foreach ($requests as $index => $request) {
        $name = strtolower($request['name']);
        if (strpos($name, 'master asset folder') !== false && strpos($name, 'final asset') !== false) {
            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            
            $url = str_replace('6930c59abea5bd4259b67f7647f65cd01d36278d', $campaignId, $url);
            $baseUrl = 'https://ppr.dam.ferrero.com/otmmapi';
            $url = str_replace('{{baseUrl}}', $baseUrl, $url);
            
            if (is_array($modifiedRequest['request']['url'])) {
                $modifiedRequest['request']['url']['raw'] = $url;
            } else {
                $modifiedRequest['request']['url'] = $url;
            }
            
            return $testRunner->runSingleTest($modifiedRequest, $index);
        }
    }
    
    return ['status' => 'ERROR', 'message' => 'Asset folders request not found'];
}

function getAssetsFromFolder($testRunner, $folderId) {
    $requests = $testRunner->getAvailableRequests();
    
    foreach ($requests as $index => $request) {
        $name = strtolower($request['name']);
        if (strpos($name, 'all assets from') !== false) {
            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            
            $url = preg_replace('/folders\/[^\/]+\//', "folders/{$folderId}/", $url);
            $baseUrl = 'https://ppr.dam.ferrero.com/otmmapi';
            $url = str_replace('{{baseUrl}}', $baseUrl, $url);
            
            if (is_array($modifiedRequest['request']['url'])) {
                $modifiedRequest['request']['url']['raw'] = $url;
            } else {
                $modifiedRequest['request']['url'] = $url;
            }
            
            return $testRunner->runSingleTest($modifiedRequest, $index);
        }
    }
    
    return ['status' => 'ERROR', 'message' => 'Assets request not found'];
}

// Check if we have a selected campaign from session
if (isset($_SESSION['selected_campaign']) && !$selectedCampaign) {
    $selectedCampaign = $_SESSION['selected_campaign'];
    $workflowStep = 2;
}

$oauth2Status = $testRunner ? $testRunner->getOAuth2Status() : null;
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Clean Workflow - Ferrero Content Scaling</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            margin: 0;
            padding: 20px;
            background-color: #f5f5f5;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid #e0e0e0;
        }
        .section {
            margin-bottom: 30px;
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 6px;
            background-color: #fafafa;
        }
        .btn {
            background-color: #007cba;
            color: white;
            padding: 12px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .btn:hover { background-color: #005a8b; }
        .btn-success { background-color: #28a745; }
        .error { color: #dc3545; background-color: #f8d7da; padding: 10px; border-radius: 4px; margin: 10px 0; }
        .success { color: #155724; background-color: #d4edda; padding: 10px; border-radius: 4px; margin: 10px 0; }
        .campaign-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        .campaign-card {
            background: white;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            padding: 15px;
            cursor: pointer;
            transition: border-color 0.2s;
        }
        .campaign-card:hover { border-color: #007cba; }
        .campaign-card.selected { border-color: #28a745; background-color: #f8fff9; }
        .metadata-display { background: #f8f9fa; padding: 15px; border-radius: 6px; margin: 10px 0; }
        .metadata-section { margin-bottom: 20px; }
        .metadata-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 10px 0; }
        .metadata-category { background: white; padding: 10px; border-radius: 4px; margin: 10px 0; }
        .permissions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 5px; margin: 10px 0; }
        .rendition-info { background: white; padding: 10px; border-radius: 4px; margin: 5px 0; }
    </style>
</head>
<body>
    <div class="container">
        <div class="header">
            <h1>🎯 Clean Content Scaling Workflow</h1>
            <p>Simple, step-by-step campaign asset workflow</p>
            <a href="?reset=1" style="color: #dc3545; text-decoration: none; font-size: 12px;">🔄 Reset Session</a>
        </div>

        <?php if ($error): ?>
            <div class="error"><strong>Error:</strong> <?= htmlspecialchars($error) ?></div>
        <?php endif; ?>

        <?php if (isset($message)): ?>
            <div class="success"><?= htmlspecialchars($message) ?></div>
        <?php endif; ?>

        <!-- OAuth2 Status -->
        <?php if ($oauth2Status && $oauth2Status['enabled'] && ($oauth2Status['has_token'] ?? false)): ?>
            <div class="success">✅ OAuth2 Token Active</div>
        <?php else: ?>
            <div class="error">❌ OAuth2 Token Issue</div>
        <?php endif; ?>

        <!-- Step 1: Load Campaigns -->
        <?php if ($workflowStep == 1): ?>
        <div class="section">
            <h2>📋 Step 1: Load Campaigns</h2>
            
            <?php if (empty($campaigns)): ?>
                <p>Click the button below to load campaigns from the API using your Postman collection settings.</p>
                
                <form method="POST">
                    <input type="hidden" name="action" value="load_campaigns">
                    <button type="submit" class="btn btn-success">Load "3 - Production & execution" Campaigns</button>
                </form>
                
                <div style="background: #f8f9fa; padding: 10px; border-radius: 4px; margin-top: 10px; font-size: 13px;">
                    This will load only campaigns in "3 - Production & execution" stage (should be about 12 campaigns).
                </div>
                
            <?php else: ?>
                <p><strong>✅ Loaded <?= count($campaigns) ?> campaigns</strong></p>
                
                <div class="campaign-grid">
                    <?php foreach ($campaigns as $campaign): ?>
                    <div class="campaign-card" onclick="selectCampaign('<?= htmlspecialchars($campaign['asset_id']) ?>', this)">
                        <h4><?= htmlspecialchars($campaign['campaign_name'] ?? 'Unnamed') ?></h4>
                        <p><strong>Campaign ID:</strong> <?= htmlspecialchars($campaign['campaign_id'] ?? 'N/A') ?></p>
                        <p><strong>Brand:</strong> <?= htmlspecialchars($campaign['brand'] ?? 'N/A') ?></p>
                        <p><strong>Market:</strong> <?= htmlspecialchars($campaign['market'] ?? 'N/A') ?></p>
                        <p><strong>Stage:</strong> <?= htmlspecialchars($campaign['stage'] ?? 'N/A') ?></p>
                        <p><strong>Asset ID:</strong> <code><?= htmlspecialchars($campaign['asset_id']) ?></code></p>
                    </div>
                    <?php endforeach; ?>
                </div>
                
                <form method="POST" id="campaign-selection-form">
                    <input type="hidden" name="action" value="select_campaign">
                    <input type="hidden" name="selected_campaign_id" id="selected-campaign-id">
                    <input type="hidden" name="campaigns_data" value="<?= htmlspecialchars(json_encode($campaigns)) ?>">
                    <button type="submit" class="btn btn-success" id="proceed-btn" disabled>Proceed to Step 2</button>
                </form>
            <?php endif; ?>
        </div>
        <?php endif; ?>

        <!-- Step 2: Get Folders -->
        <?php if ($workflowStep == 2 && $selectedCampaign): ?>
        <div class="section">
            <h2>📁 Step 2: Get Campaign Folders</h2>
            
            <div style="background: #e8f4f8; padding: 15px; border-radius: 4px; margin-bottom: 20px;">
                <strong>Selected Campaign:</strong> <?= htmlspecialchars($selectedCampaign['campaign_name'] ?? 'Unknown') ?><br>
                <strong>Campaign ID:</strong> <?= htmlspecialchars($selectedCampaign['campaign_id'] ?? 'N/A') ?><br>
                <strong>Asset ID:</strong> <code><?= htmlspecialchars($selectedCampaign['asset_id']) ?></code>
            </div>
            
            <form method="POST">
                <input type="hidden" name="action" value="get_folders">
                <button type="submit" class="btn btn-success">Get Campaign Folders</button>
            </form>

            <?php if (isset($workflowResults['folders'])): ?>
                <?php $result = $workflowResults['folders']; ?>
                <div style="background: #f8f9fa; border: 1px solid #dee2e6; border-radius: 6px; padding: 20px; margin: 20px 0;">
                    <h3>Folder Results</h3>
                    <p><strong>Status:</strong> <?= $result['status'] ?></p>
                    <p><strong>HTTP Code:</strong> <?= $result['response']['http_code'] ?? 'N/A' ?></p>
                    <p><strong>URL:</strong> <?= htmlspecialchars($result['response']['url'] ?? 'N/A') ?></p>
                    
                    <?php if ($result['status'] === 'PASS'): ?>
                        <?php 
                        $data = json_decode($result['response']['body'], true);
                        $folders = $data['folder_children']['asset_list'] ?? [];
                        ?>
                        <h4>Found <?= count($folders) ?> folder(s):</h4>
                        
                        <?php if (count($folders) == 1): ?>
                        <div style="background: #fff3cd; color: #856404; padding: 10px; border-radius: 4px; margin: 10px 0;">
                            ⚠️ <strong>Only 1 folder found.</strong> This campaign might not have the Master Assets folder we need.
                            <br>Try going back and selecting <strong>"LOCAL CAMPAIGN"</strong> (Campaign ID: C000000212) which had both folders.
                        </div>
                        <?php elseif (count($folders) >= 2): ?>
                        <div style="background: #d4edda; color: #155724; padding: 10px; border-radius: 4px; margin: 10px 0;">
                            ✅ <strong>Great!</strong> Found <?= count($folders) ?> folders - this campaign has proper folder structure.
                        </div>
                        <?php endif; ?>
                        <?php foreach ($folders as $folder): ?>
                            <?php
                            // Better folder name extraction - try multiple name fields
                            $folderName = 'Unnamed';
                            
                            // Try common name fields
                            $nameFields = [
                                'ARTESIA.FIELD.NAME',
                                'FERRERO.FIELD.CAMPAIGN_NAME', 
                                'ARTESIA.FIELD.TITLE',
                                'FERRERO.FIELD.FOLDER_NAME',
                                'NAME'
                            ];
                            
                            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'])) {
                                                $folderName = $field['value']['value']['value'];
                                                break 2;
                                            }
                                        }
                                    }
                                }
                            }
                            
                            // Try standard fields
                            if ($folderName === 'Unnamed') {
                                $folderName = $folder['name'] ?? $folder['title'] ?? $folder['display_name'] ?? 'Folder';
                            }
                            
                            // Add creation date to help identify
                            $createDate = substr($folder['date_imported'] ?? '', 0, 10); // Just date part
                            if ($folderName === 'Folder' || strlen($folderName) > 40) {
                                $folderName = "Folder (Created: {$createDate})";
                            }
                            ?>
                            <div style="border: 1px solid #ddd; margin: 10px 0; padding: 15px; background: white; border-radius: 4px;">
                                <h4><?= htmlspecialchars($folderName) ?></h4>
                                <p><strong>Asset ID:</strong> <code><?= htmlspecialchars($folder['asset_id']) ?></code></p>
                                <p><strong>Type:</strong> <?= htmlspecialchars($folder['data_type'] ?? 'CONTAINER') ?></p>
                                <p><strong>Created:</strong> <?= htmlspecialchars($folder['date_imported'] ?? 'N/A') ?></p>
                                
                                <form method="POST" style="display: inline; margin-right: 10px;">
                                    <input type="hidden" name="action" value="explore_folder">
                                    <input type="hidden" name="folder_id" value="<?= htmlspecialchars($folder['asset_id']) ?>">
                                    <input type="hidden" name="folder_name" value="<?= htmlspecialchars($folderName) ?>">
                                    <button type="submit" class="btn">Explore "<?= htmlspecialchars($folderName) ?>"</button>
                                </form>
                            </div>
                        <?php endforeach; ?>
                        
                        <!-- Explore All Folders Button -->
                        <?php if (count($folders) > 1): ?>
                        <div style="margin-top: 20px; padding: 15px; background: #e8f4f8; border-radius: 4px;">
                            <form method="POST">
                                <input type="hidden" name="action" value="explore_all_folders">
                                <?php foreach ($folders as $folder): ?>
                                    <input type="hidden" name="folder_ids[]" value="<?= htmlspecialchars($folder['asset_id']) ?>">
                                <?php endforeach; ?>
                                <button type="submit" class="btn btn-success">🔍 Explore All <?= count($folders) ?> Folders</button>
                            </form>
                            <p style="margin: 10px 0 0 0; font-size: 13px; color: #666;">
                                This will show contents of both folders side by side for comparison.
                            </p>
                        </div>
                        <?php endif; ?>
                        
                    <?php else: ?>
                        <p><strong>Error:</strong> <?= htmlspecialchars($result['response']['error'] ?? 'Unknown error') ?></p>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
            
            <!-- Folder Contents -->
            <?php if (isset($workflowResults['folder_contents'])): ?>
                <?php $contentsResult = $workflowResults['folder_contents']; ?>
                <div style="background: #f0f8ff; border: 1px solid #bee5eb; border-radius: 6px; padding: 20px; margin: 20px 0;">
                    <h3>📄 Folder Contents</h3>
                    <p><strong>Status:</strong> <?= $contentsResult['status'] ?></p>
                    <p><strong>HTTP Code:</strong> <?= $contentsResult['response']['http_code'] ?? 'N/A' ?></p>
                    
                    <?php if ($contentsResult['status'] === 'PASS'): ?>
                        <?php 
                        $contentsData = json_decode($contentsResult['response']['body'], true);
                        $assets = [];
                        
                        // Check different possible structures
                        if (isset($contentsData['folder_children']['asset_list'])) {
                            $assets = $contentsData['folder_children']['asset_list'];
                        } elseif (isset($contentsData['items'])) {
                            $assets = $contentsData['items'];
                        } elseif (isset($contentsData['asset_list'])) {
                            $assets = $contentsData['asset_list'];
                        }
                        ?>
                        
                        <h4>Found <?= count($assets) ?> item(s) in this folder:</h4>
                        
                        <?php if (!empty($assets)): ?>
                            <?php 
                            $fileCount = 0;
                            $folderCount = 0;
                            $fileTypes = [];
                            
                            foreach ($assets as $asset) {
                                if (($asset['data_type'] ?? '') === 'CONTAINER') {
                                    $folderCount++;
                                } else {
                                    $fileCount++;
                                    $mimeType = $asset['mime_type'] ?? 'Unknown';
                                    $fileTypes[$mimeType] = ($fileTypes[$mimeType] ?? 0) + 1;
                                }
                            }
                            ?>
                            
                            <div style="background: white; padding: 15px; border-radius: 4px; margin: 15px 0;">
                                <h5>📊 Summary:</h5>
                                <p><strong>📁 Subfolders:</strong> <?= $folderCount ?></p>
                                <p><strong>📄 Files:</strong> <?= $fileCount ?></p>
                                
                                <?php if (!empty($fileTypes)): ?>
                                    <p><strong>File Types:</strong></p>
                                    <ul style="margin: 5px 0 0 20px;">
                                        <?php foreach ($fileTypes as $type => $count): ?>
                                            <li><?= htmlspecialchars($type) ?> (<?= $count ?> files)</li>
                                        <?php endforeach; ?>
                                    </ul>
                                <?php endif; ?>
                            </div>
                            
                            <h5>Individual Items:</h5>
                            <?php foreach ($assets as $index => $asset): ?>
                                <?php
                                $assetName = 'Unnamed Asset';
                                if (isset($asset['metadata']['metadata_element_list'])) {
                                    foreach ($asset['metadata']['metadata_element_list'] as $category) {
                                        if (isset($category['metadata_element_list'])) {
                                            foreach ($category['metadata_element_list'] as $field) {
                                                if ($field['id'] === 'FERRERO.FIELD.CAMPAIGN_NAME' && isset($field['value']['value']['value'])) {
                                                    $assetName = $field['value']['value']['value'];
                                                    break 2;
                                                }
                                            }
                                        }
                                    }
                                }
                                if ($assetName === 'Unnamed Asset') {
                                    $assetName = $asset['name'] ?? $asset['asset_id'] ?? 'Unknown';
                                }
                                ?>
                                <div style="border: 1px solid #ddd; margin: 5px 0; padding: 10px; background: white; border-radius: 4px;">
                                    <strong><?= $index + 1 ?>. <?= htmlspecialchars($assetName) ?></strong><br>
                                    <strong>ID:</strong> <code><?= htmlspecialchars($asset['asset_id'] ?? 'N/A') ?></code><br>
                                    <strong>Type:</strong> <?= htmlspecialchars($asset['data_type'] ?? 'Unknown') ?><br>
                                    <?php if (isset($asset['mime_type'])): ?>
                                        <strong>File Type:</strong> <?= htmlspecialchars($asset['mime_type']) ?><br>
                                    <?php endif; ?>
                                    <?php if (isset($asset['file_size'])): ?>
                                        <strong>Size:</strong> <?= number_format($asset['file_size']) ?> bytes<br>
                                    <?php endif; ?>
                                </div>
                            <?php endforeach; ?>
                        <?php else: ?>
                            <p>This folder is empty.</p>
                        <?php endif; ?>
                        
                    <?php else: ?>
                        <p><strong>Error:</strong> <?= htmlspecialchars($contentsResult['response']['error'] ?? 'Unknown error') ?></p>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
            
            <!-- All Folders Contents Comparison -->
            <?php if (isset($workflowResults['all_folder_contents'])): ?>
                <div style="background: #f0f8ff; border: 1px solid #bee5eb; border-radius: 6px; padding: 20px; margin: 20px 0;">
                    <h3>📊 All Folders Comparison</h3>
                    
                    <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 20px;">
                        <?php foreach ($workflowResults['all_folder_contents'] as $folderData): ?>
                            <?php 
                            $result = $folderData['result'];
                            $folderId = $folderData['folder_id'];
                            $folderName = $folderData['folder_name'];
                            ?>
                            
                            <div style="background: white; border: 1px solid #ddd; border-radius: 6px; padding: 15px;">
                                <h4>📁 <?= htmlspecialchars($folderName) ?></h4>
                                <p><strong>ID:</strong> <code><?= htmlspecialchars($folderId) ?></code></p>
                                <p><strong>Status:</strong> <?= $result['status'] ?></p>
                                
                                <?php if ($result['status'] === 'PASS'): ?>
                                    <?php 
                                    $data = json_decode($result['response']['body'], true);
                                    $assets = [];
                                    
                                    if (isset($data['folder_children']['asset_list'])) {
                                        $assets = $data['folder_children']['asset_list'];
                                    } elseif (isset($data['items'])) {
                                        $assets = $data['items'];
                                    }
                                    
                                    $fileCount = 0;
                                    $folderCount = 0;
                                    $fileTypes = [];
                                    
                                    foreach ($assets as $asset) {
                                        if (($asset['data_type'] ?? '') === 'CONTAINER') {
                                            $folderCount++;
                                        } else {
                                            $fileCount++;
                                            $mimeType = $asset['mime_type'] ?? 'Unknown';
                                            $fileTypes[$mimeType] = ($fileTypes[$mimeType] ?? 0) + 1;
                                        }
                                    }
                                    ?>
                                    
                                    <div style="background: #f8f9fa; padding: 10px; border-radius: 4px; margin: 10px 0;">
                                        <strong>📊 Contents:</strong><br>
                                        📁 Subfolders: <?= $folderCount ?><br>
                                        📄 Files: <?= $fileCount ?><br>
                                        
                                        <?php if (!empty($fileTypes)): ?>
                                            <strong>File Types:</strong><br>
                                            <?php foreach ($fileTypes as $type => $count): ?>
                                                • <?= htmlspecialchars($type) ?> (<?= $count ?>)<br>
                                            <?php endforeach; ?>
                                        <?php endif; ?>
                                    </div>
                                    
                                    <?php if ($fileCount > 0): ?>
                                        <div style="background: #d4edda; color: #155724; padding: 10px; border-radius: 4px; margin: 10px 0;">
                                            ✅ <strong>This folder contains <?= $fileCount ?> files!</strong><br>
                                            These are your source assets for content scaling.
                                        </div>
                                        
                                        <!-- Show actual filenames with download buttons -->
                                        <div style="margin-top: 15px;">
                                            <h6><strong>📄 File List with Download Options:</strong></h6>
                                            
                                            <!-- Bulk Download Option -->
                                            <?php 
                                            $downloadableAssets = [];
                                            foreach ($assets as $asset) {
                                                if (($asset['data_type'] ?? '') !== 'CONTAINER') {
                                                    $downloadableAssets[] = $asset['asset_id'];
                                                }
                                            }
                                            ?>
                                            
                                            <?php if (!empty($downloadableAssets)): ?>
                                            <div style="background: #d1ecf1; padding: 10px; border-radius: 4px; margin-bottom: 15px;">
                                                <form method="POST" style="display: inline;">
                                                    <input type="hidden" name="action" value="download_folder">
                                                    <input type="hidden" name="folder_name" value="<?= htmlspecialchars($folderName) ?>">
                                                    <?php foreach ($downloadableAssets as $assetId): ?>
                                                        <input type="hidden" name="folder_asset_ids[]" value="<?= htmlspecialchars($assetId) ?>">
                                                    <?php endforeach; ?>
                                                    <button type="submit" class="btn btn-success">📥 Download All <?= count($downloadableAssets) ?> Files</button>
                                                </form>
                                                <span style="font-size: 12px; color: #666; margin-left: 10px;">
                                                    Downloads all files to: downloads/<?= htmlspecialchars($folderName) ?>/
                                                </span>
                                            </div>
                                            <?php endif; ?>
                                            
                                            <!-- Individual Files -->
                                            <?php foreach ($assets as $asset): ?>
                                                <?php if (($asset['data_type'] ?? '') !== 'CONTAINER'): ?>
                                                    <?php
                                                    $fileName = 'Unnamed File';
                                                    if (isset($asset['metadata']['metadata_element_list'])) {
                                                        foreach ($asset['metadata']['metadata_element_list'] as $category) {
                                                            if (isset($category['metadata_element_list'])) {
                                                                foreach ($category['metadata_element_list'] as $field) {
                                                                    if ($field['id'] === 'ARTESIA.FIELD.NAME' && isset($field['value']['value']['value'])) {
                                                                        $fileName = $field['value']['value']['value'];
                                                                        break 2;
                                                                    }
                                                                }
                                                            }
                                                        }
                                                    }
                                                    if ($fileName === 'Unnamed File') {
                                                        $fileName = $asset['name'] ?? $asset['asset_id'] ?? 'Unknown';
                                                    }
                                                    ?>
                                                    <div style="background: #f8f9fa; padding: 10px; margin: 5px 0; border-radius: 4px; border: 1px solid #dee2e6;">
                                                        <div style="display: flex; justify-content: space-between; align-items: center;">
                                                            <div style="font-family: monospace; font-size: 12px;">
                                                                📄 <strong><?= htmlspecialchars($fileName) ?></strong><br>
                                                                &nbsp;&nbsp;&nbsp;ID: <?= htmlspecialchars($asset['asset_id'] ?? 'N/A') ?><br>
                                                                &nbsp;&nbsp;&nbsp;Type: <?= htmlspecialchars($asset['mime_type'] ?? 'Unknown') ?>
                                                                <?php if (isset($asset['file_size'])): ?>
                                                                    &nbsp;&nbsp;&nbsp;Size: <?= number_format($asset['file_size']) ?> bytes
                                                                <?php endif; ?>
                                                            </div>
                                                            <div>
                                                                <form method="POST" style="display: inline; margin-right: 5px;">
                                                                    <input type="hidden" name="action" value="download_asset">
                                                                    <input type="hidden" name="asset_id" value="<?= htmlspecialchars($asset['asset_id']) ?>">
                                                                    <input type="hidden" name="filename" value="<?= htmlspecialchars($fileName) ?>">
                                                                    <button type="submit" class="btn" style="background: #28a745; font-size: 12px; padding: 6px 10px;">📥 Download</button>
                                                                </form>
                                                                
                                                                <button onclick="showMetadata('<?= htmlspecialchars($asset['asset_id']) ?>')" class="btn" style="background: #17a2b8; color: white; font-size: 12px; padding: 6px 10px;">📋 Metadata</button>
                                                                
                                                                <!-- Hidden metadata div -->
                                                                <div id="metadata-<?= htmlspecialchars($asset['asset_id']) ?>" style="display: none; margin-top: 15px;">
                                                                    <?= MetadataExtractor::formatMetadataForDisplay(MetadataExtractor::extractAllMetadata($asset)) ?>
                                                                </div>
                                                            </div>
                                                        </div>
                                                    </div>
                                                <?php endif; ?>
                                            <?php endforeach; ?>
                                        </div>
                                    <?php elseif ($folderCount > 0): ?>
                                        <div style="background: #fff3cd; color: #856404; padding: 10px; border-radius: 4px; margin: 10px 0;">
                                            📁 Contains <?= $folderCount ?> subfolders<br>
                                            Assets might be nested deeper.
                                        </div>
                                    <?php else: ?>
                                        <div style="background: #f8d7da; color: #721c24; padding: 10px; border-radius: 4px; margin: 10px 0;">
                                            ❌ This folder appears empty.
                                        </div>
                                    <?php endif; ?>
                                    
                                <?php else: ?>
                                    <p style="color: #dc3545;"><strong>Error exploring folder:</strong> <?= htmlspecialchars($result['response']['error'] ?? 'Unknown error') ?></p>
                                <?php endif; ?>
                            </div>
                        <?php endforeach; ?>
                    </div>
                </div>
            <?php endif; ?>
            
            <!-- Download Results -->
            <?php if (isset($workflowResults['download'])): ?>
                <?php $downloadResult = $workflowResults['download']; ?>
                <div style="background: <?= $downloadResult['success'] ? '#d4edda' : '#f8d7da' ?>; border: 1px solid <?= $downloadResult['success'] ? '#c3e6cb' : '#f5c6cb' ?>; border-radius: 6px; padding: 20px; margin: 20px 0;">
                    <h3><?= $downloadResult['success'] ? '✅' : '❌' ?> Asset Download Result</h3>
                    
                    <?php if ($downloadResult['success']): ?>
                        <p><strong>✅ Download Successful!</strong></p>
                        <p><strong>File:</strong> <?= htmlspecialchars($downloadResult['filename']) ?></p>
                        <p><strong>Path:</strong> <?= htmlspecialchars($downloadResult['filepath']) ?></p>
                        <p><strong>Size:</strong> <?= number_format($downloadResult['size']) ?> bytes</p>
                        <p><strong>Asset ID:</strong> <code><?= htmlspecialchars($downloadResult['asset_id']) ?></code></p>
                    <?php else: ?>
                        <p><strong>❌ Download Failed</strong></p>
                        <p><strong>Error:</strong> <?= htmlspecialchars($downloadResult['error']) ?></p>
                        <?php if (isset($downloadResult['http_code'])): ?>
                            <p><strong>HTTP Code:</strong> <?= $downloadResult['http_code'] ?></p>
                        <?php endif; ?>
                        
                        <!-- Debug Information - Always show for failures -->
                        <details style="margin-top: 15px;">
                            <summary><strong>🔍 Debug Information</strong></summary>
                            <div style="background: #f8f9fa; padding: 10px; border-radius: 4px; margin-top: 10px;">
                                
                                <?php if (isset($downloadResult['debug_info'])): ?>
                                <h6>API Endpoint Attempts:</h6>
                                <?php foreach ($downloadResult['debug_info'] as $attempt): ?>
                                    <div style="background: white; padding: 8px; margin: 5px 0; border-radius: 4px; border-left: 3px solid <?= $attempt['success'] ? '#28a745' : '#dc3545' ?>;">
                                        <strong>Endpoint:</strong> <?= htmlspecialchars($attempt['endpoint']) ?><br>
                                        <strong>Status:</strong> <?= $attempt['success'] ? 'SUCCESS' : 'FAILED' ?><br>
                                        <strong>HTTP Code:</strong> <?= $attempt['http_code'] ?><br>
                                        <strong>Response Size:</strong> <?= number_format($attempt['response_size']) ?> bytes<br>
                                        <?php if ($attempt['error']): ?>
                                            <strong>Error:</strong> <?= htmlspecialchars($attempt['error']) ?><br>
                                        <?php endif; ?>
                                    </div>
                                <?php endforeach; ?>
                                <?php else: ?>
                                <div style="background: #fff3cd; padding: 10px; border-radius: 4px;">
                                    <strong>⚠️ No API debug info available</strong><br>
                                    Error occurred before API calls were made. This suggests:
                                    <ul style="margin: 10px 0 0 20px;">
                                        <li>Asset data structure issue</li>
                                        <li>Missing required fields in asset metadata</li>
                                        <li>OAuth2 authentication not properly configured</li>
                                    </ul>
                                </div>
                                <?php endif; ?>
                            </div>
                        </details>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
            
            <!-- Bulk Download Results -->
            <?php if (isset($workflowResults['bulk_download'])): ?>
                <?php $bulkResult = $workflowResults['bulk_download']; ?>
                <div style="background: <?= $bulkResult['success'] ? '#d4edda' : '#f8d7da' ?>; border: 1px solid <?= $bulkResult['success'] ? '#c3e6cb' : '#f5c6cb' ?>; border-radius: 6px; padding: 20px; margin: 20px 0;">
                    <h3><?= $bulkResult['success'] ? '✅' : '❌' ?> Bulk Download Result</h3>
                    
                    <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin: 15px 0;">
                        <div><strong>Total Assets:</strong> <?= $bulkResult['total_assets'] ?></div>
                        <div><strong>Successful:</strong> <?= $bulkResult['successful_downloads'] ?></div>
                        <div><strong>Failed:</strong> <?= $bulkResult['failed_downloads'] ?></div>
                        <div><strong>Total Size:</strong> <?= number_format($bulkResult['total_size']) ?> bytes</div>
                    </div>
                    
                    <p><strong>Download Folder:</strong> <?= htmlspecialchars($bulkResult['download_folder']) ?></p>
                    
                    <!-- Individual Results with Debug -->
                    <details style="margin-top: 15px;">
                        <summary><strong>View Individual Download Results & Debug Info</strong></summary>
                        <div style="margin-top: 10px;">
                            <?php foreach ($bulkResult['individual_results'] as $index => $result): ?>
                                <div style="background: white; padding: 10px; margin: 5px 0; border-radius: 4px; border-left: 4px solid <?= $result['success'] ? '#28a745' : '#dc3545' ?>;">
                                    <strong>File <?= $index + 1 ?>:</strong> 
                                    <?php if ($result['success']): ?>
                                        ✅ <?= htmlspecialchars($result['filename']) ?> (<?= number_format($result['size']) ?> bytes)
                                    <?php else: ?>
                                        ❌ Failed - <?= htmlspecialchars($result['error']) ?>
                                        
                                        <!-- Debug info for failed downloads -->
                                        <?php if (isset($result['debug_info'])): ?>
                                        <div style="background: #f8f9fa; padding: 8px; margin-top: 8px; border-radius: 4px; font-size: 11px;">
                                            <strong>Debug Info:</strong><br>
                                            <?php foreach ($result['debug_info'] as $attempt): ?>
                                                • <?= htmlspecialchars($attempt['endpoint']) ?> → 
                                                <?= $attempt['success'] ? 'SUCCESS' : 'FAILED' ?> 
                                                (HTTP <?= $attempt['http_code'] ?>, <?= $attempt['response_size'] ?> bytes)
                                                <?php if ($attempt['error']): ?>
                                                    <br>&nbsp;&nbsp;Error: <?= htmlspecialchars($attempt['error']) ?>
                                                <?php endif ?>
                                                <br>
                                            <?php endforeach; ?>
                                        </div>
                                        <?php endif; ?>
                                    <?php endif; ?>
                                </div>
                            <?php endforeach; ?>
                            
                            <!-- OAuth2 Status -->
                            <?php if (isset($bulkResult['oauth2_status'])): ?>
                            <div style="background: #e8f4f8; padding: 10px; margin-top: 10px; border-radius: 4px;">
                                <strong>OAuth2 Status During Download:</strong><br>
                                Enabled: <?= $bulkResult['oauth2_status']['enabled'] ? 'Yes' : 'No' ?><br>
                                Has Token: <?= ($bulkResult['oauth2_status']['has_token'] ?? false) ? 'Yes' : 'No' ?><br>
                                <?php if (isset($bulkResult['oauth2_status']['expires_at'])): ?>
                                    Expires: <?= htmlspecialchars($bulkResult['oauth2_status']['expires_at']) ?><br>
                                <?php endif; ?>
                            </div>
                            <?php endif; ?>
                        </div>
                    </details>
                </div>
            <?php endif; ?>
        </div>
        <?php endif; ?>
    </div>

    <script>
        function selectCampaign(campaignId, element) {
            document.querySelectorAll('.campaign-card').forEach(card => {
                card.classList.remove('selected');
            });
            
            element.classList.add('selected');
            document.getElementById('selected-campaign-id').value = campaignId;
            document.getElementById('proceed-btn').disabled = false;
        }
        
        function showMetadata(assetId) {
            const metadataDiv = document.getElementById('metadata-' + assetId);
            if (metadataDiv.style.display === 'none') {
                metadataDiv.style.display = 'block';
            } else {
                metadataDiv.style.display = 'none';
            }
        }
        
        function exploreFolder(folderId, folderName) {
            alert('Explore folder: ' + folderName + ' (ID: ' + folderId + ')');
            // TODO: Add folder exploration
        }
    </script>
</body>
</html>