<?php
session_start();
require_once 'src/TestRunner.php';
require_once 'src/CampaignFormatter.php';
require_once 'src/PostmanCollectionParser.php';

$config = [
    'baseUrl' => $_SESSION['baseUrl'] ?? '',
    'apiKey' => $_SESSION['apiKey'] ?? '',
    'timeout' => 180, // Increase to 3 minutes
    'headers' => [
        'Content-Type' => 'application/json',
        'Accept' => 'application/json'
    ]
];

$collectionPath = __DIR__ . '/Content Scaling Flow.postman_collection_Oliver(New).json';
if (!file_exists($collectionPath)) {
    $collectionPath = __DIR__ . '/Content Scaling Flow_Oliver.Postman_Collection.json';
}

$testRunner = null;
$error = null;
$actionableCampaigns = [];
$selectedCampaign = null;
$workflowStep = $_GET['step'] ?? 1;
$workflowResults = [];
$campaignFilters = [];
$availableFilters = [];
$allCampaignsData = null;

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 form submissions
if ($_POST && $testRunner) {
    if ($_POST['action'] === 'update_config') {
        $_SESSION['baseUrl'] = $_POST['baseUrl'] ?? '';
        $_SESSION['apiKey'] = $_POST['apiKey'] ?? '';
        
        $config['baseUrl'] = $_SESSION['baseUrl'];
        $config['apiKey'] = $_SESSION['apiKey'];
        $testRunner->updateConfig($config);
        
        $message = "Configuration updated successfully";
    }
    
    if ($_POST['action'] === 'load_campaigns') {
        // Step 1: Load campaigns
        $requests = $testRunner->getAvailableRequests();
        
        foreach ($requests as $index => $request) {
            if (strpos($request['name'], 'Retrieve Localized Campaign Folders') !== false) {
                $modifiedRequest = $request;
                $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
                
                // Use the original "Local Adaptation" search from Postman collection
                // This gives us the reliable 14 campaigns we know work
                
                // Replace {{baseUrl}}
                $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;
                }
                
                $result = $testRunner->runSingleTest($modifiedRequest, $index);
                
                if ($result['status'] === 'PASS') {
                    $allCampaignsData = $result['response']['body'];
                    $actionableCampaigns = CampaignFormatter::getActionableCampaigns($allCampaignsData);
                    $workflowStep = 1;
                } else {
                    // Try to recover partial response if we got data
                    $responseBody = $result['response']['body'] ?? '';
                    if (!empty($responseBody) && strlen($responseBody) > 1000) {
                        $dataSize = number_format(strlen($responseBody));
                        $message = "⚠️ Timeout occurred but received {$dataSize} bytes of data. Attempting recovery...";
                        
                        // Save the partial response for analysis
                        file_put_contents(__DIR__ . '/partial_response.json', $responseBody);
                        
                        // Advanced JSON recovery
                        $fixedJson = $responseBody;
                        
                        // Try to find where the JSON breaks and truncate to last complete object
                        $lastCompletePos = strrpos($fixedJson, '"}},{"type":"com.artesia');
                        if ($lastCompletePos !== false) {
                            $fixedJson = substr($fixedJson, 0, $lastCompletePos + 3); // Keep the "}
                        }
                        
                        // Add missing closing brackets
                        $openBraces = substr_count($fixedJson, '{') - substr_count($fixedJson, '}');
                        $openBrackets = substr_count($fixedJson, '[') - substr_count($fixedJson, ']');
                        
                        for ($i = 0; $i < $openBrackets; $i++) {
                            $fixedJson .= ']';
                        }
                        for ($i = 0; $i < $openBraces; $i++) {
                            $fixedJson .= '}';
                        }
                        
                        $partialData = json_decode($fixedJson, true);
                        if ($partialData && isset($partialData['search_result_resource'])) {
                            $allCampaignsData = $fixedJson;
                            $_SESSION['all_campaigns_data'] = $allCampaignsData;
                            $availableFilters = CampaignFormatter::getAvailableFilterOptions($allCampaignsData);
                            $actionableCampaigns = CampaignFormatter::getActionableCampaigns($allCampaignsData);
                            $workflowStep = 1;
                            
                            $assetCount = count($partialData['search_result_resource']['asset_list'] ?? []);
                            $message .= " ✅ Successfully recovered {$assetCount} campaigns from partial data! (Saved to partial_response.json)";
                        } else {
                            $error = "Timeout: Received {$dataSize} bytes but couldn't parse as valid JSON. Try 'Load Filtered Campaigns' for smaller dataset.";
                        }
                    } else {
                        $error = "Failed to load campaigns: " . ($result['response']['error'] ?? 'Unknown error');
                    }
                }
                break;
            }
        }
    }
    
    
    if ($_POST['action'] === 'select_campaign' && !empty($_POST['selected_campaign_id'])) {
        // Store selected campaign and move to step 2
        $_SESSION['selected_campaign_id'] = $_POST['selected_campaign_id'];
        $_SESSION['actionable_campaigns'] = $_POST['campaigns_data'] ?? '';
        $workflowStep = 2;
    }
    
    if ($_POST['action'] === 'get_folders') {
        // Step 2: Get Master Asset and Final Asset folders
        $campaignId = $_SESSION['selected_campaign_id'] ?? '';
        if ($campaignId) {
            $workflowResults['folders'] = getAssetFolders($testRunner, $campaignId);
            $workflowStep = 2;
        }
    }
    
    if ($_POST['action'] === 'test_token') {
        // Test OAuth2 token and connection
        $tokenStatus = $testRunner->getOAuth2Status();
        if ($tokenStatus['enabled'] && ($tokenStatus['has_token'] ?? false)) {
            // Test with a simple API call
            $testResult = $testRunner->testConnection('https://ppr.dam.ferrero.com/otmmapi/v6/users/current');
            if ($testResult['success']) {
                $message = "✅ OAuth2 token is working. Connection successful.";
            } else {
                $error = "❌ OAuth2 token may be expired or invalid. Error: " . ($testResult['error'] ?? 'Connection failed');
            }
        } else {
            $error = "❌ OAuth2 token not available or expired";
        }
    }
    
    if ($_POST['action'] === 'back_to_step1') {
        // Clear session and go back to step 1
        unset($_SESSION['selected_campaign_id']);
        unset($_SESSION['actionable_campaigns']);
        unset($_SESSION['master_folder_id']);
        $workflowStep = 1;
        $actionableCampaigns = [];
        $selectedCampaign = null;
        $workflowResults = [];
    }
    
    if ($_POST['action'] === 'get_assets') {
        // Step 3: Get assets from Master Asset folder
        $folderId = $_POST['master_folder_id'] ?? '';
        if ($folderId) {
            $workflowResults['assets'] = getAssetsFromFolder($testRunner, $folderId);
            $_SESSION['master_folder_id'] = $folderId;
            $workflowStep = 3;
        }
    }
    
    if ($_POST['action'] === 'peek_folder') {
        // Peek inside folder to see what's there
        $folderId = $_POST['peek_folder_id'] ?? '';
        if ($folderId) {
            $workflowResults['peek'] = getAssetsFromFolder($testRunner, $folderId);
            $workflowStep = 2; // Stay on step 2 but show peek results
        }
    }
}

// Load saved data from session
if (isset($_SESSION['selected_campaign_id']) && !empty($_SESSION['actionable_campaigns'])) {
    $actionableCampaigns = json_decode($_SESSION['actionable_campaigns'], true) ?: [];
    $selectedCampaignId = $_SESSION['selected_campaign_id'];
    
    foreach ($actionableCampaigns as $campaign) {
        if ($campaign['asset_id'] === $selectedCampaignId) {
            $selectedCampaign = $campaign;
            break;
        }
    }
}

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) {
            // Modify the request URL to use the specific campaign ID
            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            
            // Replace placeholder with actual campaign ID
            $url = str_replace('6930c59abea5bd4259b67f7647f65cd01d36278d', $campaignId, $url);
            
            // Replace {{baseUrl}} with the actual base URL
            $baseUrl = 'https://ppr.dam.ferrero.com/otmmapi';
            $url = str_replace('{{baseUrl}}', $baseUrl, $url);
            
            // If still relative, prepend base URL
            if (!preg_match('/^https?:\/\//', $url)) {
                $url = rtrim($baseUrl, '/') . '/' . ltrim($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) {
            // Modify the request URL to use the specific folder ID
            $modifiedRequest = $request;
            $url = is_array($request['request']['url']) ? $request['request']['url']['raw'] : $request['request']['url'];
            
            // Replace placeholder with actual folder ID - need to find the right pattern
            $url = preg_replace('/folders\/[^\/]+\//', "folders/{$folderId}/", $url);
            
            // Replace {{baseUrl}} with the actual base URL
            $baseUrl = 'https://ppr.dam.ferrero.com/otmmapi';
            $url = str_replace('{{baseUrl}}', $baseUrl, $url);
            
            // If still relative, prepend base URL
            if (!preg_match('/^https?:\/\//', $url)) {
                $url = rtrim($baseUrl, '/') . '/' . ltrim($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'];
}

$oauth2Status = $testRunner ? $testRunner->getOAuth2Status() : null;
$credentials = $testRunner ? $testRunner->getCredentials() : [];
?>
<!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</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            margin: 0;
            padding: 20px;
            background-color: #f5f5f5;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .workflow-header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid #e0e0e0;
        }
        .workflow-steps {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
        }
        .step {
            display: flex;
            align-items: center;
            margin: 0 10px;
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
            margin-right: 10px;
        }
        .step-active { background-color: #007cba; }
        .step-completed { background-color: #28a745; }
        .step-inactive { background-color: #6c757d; }
        .step-arrow {
            font-size: 20px;
            color: #6c757d;
            margin: 0 15px;
        }
        .config-section, .workflow-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; }
        .btn-danger { background-color: #dc3545; }
        .btn-warning { background-color: #ffc107; color: #333; }
        .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; }
        .info { color: #0c5460; background-color: #d1ecf1; padding: 10px; border-radius: 4px; margin: 10px 0; }
        .form-group { margin-bottom: 15px; }
        .campaign-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .campaign-card {
            background: white;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            padding: 20px;
            cursor: pointer;
            transition: border-color 0.2s;
        }
        .campaign-card:hover {
            border-color: #007cba;
        }
        .campaign-card.selected {
            border-color: #28a745;
            background-color: #f8fff9;
        }
        .results-display {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 6px;
            padding: 20px;
            margin: 20px 0;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            max-height: 400px;
            overflow-y: auto;
        }
        label { display: block; margin-bottom: 5px; font-weight: 600; color: #333; }
        input, select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
    </style>
</head>
<body>
    <div class="container">
        <div class="workflow-header">
            <h1>🎯 Content Scaling Workflow</h1>
            <p>Multi-step process to retrieve and download campaign assets</p>
        </div>

        <!-- Workflow Steps Indicator -->
        <div class="workflow-steps">
            <div class="step">
                <div class="step-number <?= $workflowStep >= 1 ? 'step-active' : 'step-inactive' ?>">1</div>
                <span>Select Campaign</span>
            </div>
            <div class="step-arrow">→</div>
            <div class="step">
                <div class="step-number <?= $workflowStep >= 2 ? ($workflowStep == 2 ? 'step-active' : 'step-completed') : 'step-inactive' ?>">2</div>
                <span>Get Folders</span>
            </div>
            <div class="step-arrow">→</div>
            <div class="step">
                <div class="step-number <?= $workflowStep >= 3 ? ($workflowStep == 3 ? 'step-active' : 'step-completed') : 'step-inactive' ?>">3</div>
                <span>Get Assets</span>
            </div>
            <div class="step-arrow">→</div>
            <div class="step">
                <div class="step-number <?= $workflowStep >= 4 ? 'step-active' : 'step-inactive' ?>">4</div>
                <span>Download</span>
            </div>
        </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; ?>

        <!-- Configuration Section -->
        <div class="config-section">
            <h2>API Configuration</h2>
            
            <?php if ($oauth2Status && $oauth2Status['enabled'] && ($oauth2Status['has_token'] ?? false)): ?>
                <div class="success">✅ OAuth2 Token Active - Expires: <?= htmlspecialchars($oauth2Status['expires_at'] ?? 'Unknown') ?></div>
            <?php else: ?>
                <div class="error">❌ OAuth2 Token Issue</div>
            <?php endif; ?>

            <?php if (!empty($credentials)): ?>
            <div class="info">
                <strong>Client ID:</strong> <?= htmlspecialchars($credentials['client_id'] ?? 'Not found') ?>
            </div>
            <?php endif; ?>
            
            <form method="POST">
                <input type="hidden" name="action" value="update_config">
                <div class="form-group">
                    <label for="baseUrl">Base URL (Optional):</label>
                    <input type="text" id="baseUrl" name="baseUrl" value="<?= htmlspecialchars($config['baseUrl']) ?>" 
                           placeholder="Leave blank to use collection base URL">
                </div>
                <button type="submit" class="btn">Update Configuration</button>
            </form>
        </div>

        <!-- Step 1: Load and Select Campaign -->
        <?php if ($workflowStep == 1): ?>
        <div class="workflow-section">
            <h2>📋 Step 1: Load and Filter Campaigns</h2>
            <p>Load all campaigns and filter by stage, type, brand, or market</p>
            
            <form method="POST">
                <input type="hidden" name="action" value="load_campaigns">
                <button type="submit" class="btn btn-success">Load Local Adaptation Campaigns</button>
            </form>
            
            <div style="background: #f8f9fa; padding: 10px; border-radius: 4px; margin-top: 10px; font-size: 13px;">
                <strong>Info:</strong> This will load campaigns using the original "Local Adaptation" search from your Postman collection.
                These are the 14 reliable campaigns we've been working with.
            </div>


            <?php if (!empty($actionableCampaigns)): ?>
            <div class="info">
                Found <?= count($actionableCampaigns) ?> "Local Adaptation" campaigns
            </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($actionableCampaigns)) ?>">
                
                <div class="campaign-grid">
                    <?php foreach ($actionableCampaigns 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>Full Name:</strong> <?= htmlspecialchars($campaign['campaign_full_name'] ?? 'N/A') ?></p>
                        <p><strong>Brand:</strong> <?= htmlspecialchars($campaign['brand'] ?? 'N/A') ?></p>
                        <p><strong>Market:</strong> <?= htmlspecialchars($campaign['market'] ?? 'N/A') ?></p>
                        <p><strong>Asset ID:</strong> <code><?= htmlspecialchars($campaign['asset_id']) ?></code></p>
                    </div>
                    <?php endforeach; ?>
                </div>
                
                <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 Asset Folders -->
        <?php if ($workflowStep == 2 && $selectedCampaign): ?>
        <div class="workflow-section">
            <h2>📁 Step 2: Retrieve Asset Folders</h2>
            
            <div class="info">
                <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 Master Asset & Final Asset Folders</button>
            </form>
            
            <!-- Test OAuth2 Token -->
            <form method="POST" style="display: inline; margin-left: 10px;">
                <input type="hidden" name="action" value="test_token">
                <button type="submit" class="btn btn-warning">Test OAuth2 Token</button>
            </form>
            
            <!-- Back to Step 1 -->
            <form method="POST" style="display: inline; margin-left: 10px;" onsubmit="return confirm('Go back and select a different campaign?');">
                <input type="hidden" name="action" value="back_to_step1">
                <button type="submit" class="btn" style="background: #6c757d;">Try Different Campaign</button>
            </form>

            <?php if (isset($workflowResults['folders'])): ?>
                <?php $foldersResult = $workflowResults['folders']; ?>
                <div class="results-display">
                    <h4>Folders Request Result:</h4>
                    <p><strong>Status:</strong> <?= $foldersResult['status'] ?></p>
                    <p><strong>HTTP Code:</strong> <?= $foldersResult['response']['http_code'] ?? 'N/A' ?></p>
                    <p><strong>URL:</strong> <?= htmlspecialchars($foldersResult['response']['url'] ?? 'N/A') ?></p>
                    
                    <?php if ($foldersResult['status'] === 'PASS'): ?>
                        <?php 
                        $foldersData = json_decode($foldersResult['response']['body'], true);
                        
                        // Debug: Show what structure we actually received
                        echo "<h4>Debug - Response Structure:</h4>";
                        echo "<div style='background: #f0f0f0; padding: 10px; font-family: monospace; font-size: 11px; margin: 10px 0; max-height: 200px; overflow-y: auto;'>";
                        echo "Response keys: " . implode(', ', array_keys($foldersData ?? [])) . "<br>";
                        if (isset($foldersData['folder_children']['asset_list'])) {
                            echo "Folder children count: " . count($foldersData['folder_children']['asset_list']) . "<br>";
                            echo "All folder names found: ";
                            $allNames = [];
                            foreach ($foldersData['folder_children']['asset_list'] as $item) {
                                // Try to extract name from metadata
                                $name = 'Unnamed';
                                if (isset($item['metadata']['metadata_element_list'])) {
                                    foreach ($item['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' || $field['id'] === 'ARTESIA.FIELD.NAME') {
                                                    if (isset($field['value']['value']['value'])) {
                                                        $name = $field['value']['value']['value'];
                                                        break 2;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                                if ($name === 'Unnamed') {
                                    $name = $item['name'] ?? $item['asset_id'] ?? 'Unknown';
                                }
                                $allNames[] = '"' . $name . '"';
                            }
                            echo implode(', ', $allNames) . "<br>";
                        }
                        echo "</div>";
                        
                        echo "<div style='background: #e8f4f8; padding: 15px; border-radius: 4px; margin: 15px 0;'>";
                        echo "<h4>💡 Troubleshooting Missing Master Assets Folder:</h4>";
                        echo "<p>Only seeing Final Assets folder? The Master Assets folder might be:</p>";
                        echo "<ul style='margin-left: 20px;'>";
                        echo "<li><strong>In a parent/sibling folder:</strong> Navigate to campaign root and look for other folders</li>";
                        echo "<li><strong>Named differently:</strong> Could be 'Source', 'Originals', 'Raw Assets', or numbered like '00. Master Assets'</li>";
                        echo "<li><strong>Empty campaign:</strong> This campaign might not have source assets yet</li>";
                        echo "<li><strong>Different structure:</strong> Some campaigns organize assets differently</li>";
                        echo "</ul>";
                        echo "<p><strong>Suggestions:</strong></p>";
                        echo "<ul style='margin-left: 20px;'>";
                        echo "<li>Try exploring the Final Assets folder - it might contain both source and final assets</li>";
                        echo "<li>Go back and try a different campaign that might have both folders</li>";
                        echo "<li>Check if there are more folders not showing in this response</li>";
                        echo "</ul>";
                        echo "</div>";
                        
                        // Try multiple possible structures
                        $folders = [];
                        if (isset($foldersData['folder_children']['asset_list'])) {
                            $folders = $foldersData['folder_children']['asset_list'];
                        } elseif (isset($foldersData['items'])) {
                            $folders = $foldersData['items'];
                        } elseif (isset($foldersData['search_result_resource']['asset_list'])) {
                            $folders = $foldersData['search_result_resource']['asset_list'];
                        } elseif (isset($foldersData['asset_list'])) {
                            $folders = $foldersData['asset_list'];
                        }
                        ?>
                        <h4>Found Folders (<?= count($folders) ?>):</h4>
                        <?php if (empty($folders)): ?>
                            <div style='color: #856404; background: #fff3cd; padding: 10px; border-radius: 4px;'>
                                No folders found in the expected data structures. 
                                <details style='margin-top: 10px;'>
                                    <summary>View Raw Response</summary>
                                    <pre style='background: #f8f8f8; padding: 10px; overflow-x: auto; font-size: 10px;'><?= htmlspecialchars(substr($foldersResult['response']['body'], 0, 2000)) ?>...</pre>
                                </details>
                            </div>
                        <?php endif; ?>
                        <?php foreach ($folders as $folder): ?>
                            <?php
                            // Extract folder name from metadata or use asset_id
                            $folderName = 'Unnamed';
                            $folderId = $folder['asset_id'] ?? $folder['id'] ?? 'N/A';
                            
                            // Try to get name from metadata
                            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 $field) {
                                            if ($field['id'] === 'FERRERO.FIELD.CAMPAIGN_NAME' || $field['id'] === 'ARTESIA.FIELD.NAME') {
                                                if (isset($field['value']['value']['value'])) {
                                                    $folderName = $field['value']['value']['value'];
                                                    break 2;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                            
                            // If still unnamed, try other fields
                            if ($folderName === 'Unnamed') {
                                $folderName = $folder['name'] ?? $folder['asset_id'] ?? 'Unknown Folder';
                            }
                            ?>
                            <div style="border: 1px solid #ddd; margin: 10px 0; padding: 10px; background: white;">
                                <strong>Folder:</strong> <?= htmlspecialchars($folderName) ?><br>
                                <strong>Asset ID:</strong> <code><?= htmlspecialchars($folderId) ?></code><br>
                                <strong>Type:</strong> <?= htmlspecialchars($folder['data_type'] ?? $folder['type'] ?? 'CONTAINER') ?><br>
                                <strong>Created:</strong> <?= htmlspecialchars($folder['date_imported'] ?? 'N/A') ?><br>
                                
                                <?php 
                                $folderNameLower = strtolower($folderName);
                                $isMasterFolder = false;
                                $isFinalFolder = false;
                                
                                // Check for Master Asset folder patterns
                                if (strpos($folderNameLower, 'master') !== false || 
                                    strpos($folderNameLower, 'source') !== false ||
                                    strpos($folderNameLower, 'original') !== false ||
                                    strpos($folderNameLower, 'input') !== false ||
                                    strpos($folderNameLower, 'raw') !== false ||
                                    strpos($folderNameLower, 'asset') !== false && strpos($folderNameLower, 'final') === false) {
                                    $isMasterFolder = true;
                                }
                                
                                // Check for Final Asset folder patterns
                                if (strpos($folderNameLower, 'final') !== false || 
                                    strpos($folderNameLower, 'output') !== false ||
                                    strpos($folderNameLower, 'processed') !== false ||
                                    strpos($folderNameLower, 'delivered') !== false ||
                                    strpos($folderNameLower, 'result') !== false) {
                                    $isFinalFolder = true;
                                }
                                
                                if ($isMasterFolder && !$isFinalFolder): 
                                ?>
                                    <span style="background: #007cba; color: white; padding: 4px 8px; border-radius: 4px; font-size: 12px;">📁 MASTER ASSET FOLDER</span>
                                    <form method="POST" style="display: inline; margin-left: 10px;">
                                        <input type="hidden" name="action" value="get_assets">
                                        <input type="hidden" name="master_folder_id" value="<?= htmlspecialchars($folderId) ?>">
                                        <button type="submit" class="btn btn-success">Get Source Assets 📥</button>
                                    </form>
                                <?php elseif ($isFinalFolder): ?>
                                    <span style="background: #28a745; color: white; padding: 4px 8px; border-radius: 4px; font-size: 12px;">📤 FINAL ASSET FOLDER</span>
                                    <form method="POST" style="display: inline; margin-left: 10px;">
                                        <input type="hidden" name="action" value="get_assets">
                                        <input type="hidden" name="master_folder_id" value="<?= htmlspecialchars($folderId) ?>">
                                        <button type="submit" class="btn btn-warning">View Final Assets 📤</button>
                                    </form>
                                    <form method="POST" style="display: inline; margin-left: 5px;">
                                        <input type="hidden" name="action" value="peek_folder">
                                        <input type="hidden" name="peek_folder_id" value="<?= htmlspecialchars($folderId) ?>">
                                        <button type="submit" class="btn" style="background: #17a2b8; color: white; font-size: 12px; padding: 6px 12px;">🔍 Peek Inside</button>
                                    </form>
                                    <span style="color: #666; font-size: 12px; margin-left: 10px;">
                                        (Might contain source assets too)
                                    </span>
                                <?php else: ?>
                                    <span style="background: #6c757d; color: white; padding: 4px 8px; border-radius: 4px; font-size: 12px;">📂 FOLDER</span>
                                    <form method="POST" style="display: inline; margin-left: 10px;">
                                        <input type="hidden" name="action" value="get_assets">
                                        <input type="hidden" name="master_folder_id" value="<?= htmlspecialchars($folderId) ?>">
                                        <button type="submit" class="btn">Explore This Folder 🔍</button>
                                    </form>
                                    <span style="color: #856404; font-size: 12px; margin-left: 10px;">
                                        (Could be source or target folder - check contents)
                                    </span>
                                <?php endif; ?>
                                
                                <!-- Debug: Show what patterns matched -->
                                <div style="font-size: 10px; color: #666; margin-top: 5px;">
                                    Detected patterns: 
                                    <?php if ($isMasterFolder && !$isFinalFolder): ?>
                                        <span style="color: #007cba;">Source/Master</span>
                                    <?php elseif ($isFinalFolder): ?>
                                        <span style="color: #28a745;">Final/Output</span>  
                                    <?php else: ?>
                                        <span style="color: #6c757d;">Generic</span>
                                    <?php endif; ?>
                                    | Name: "<?= htmlspecialchars($folderNameLower) ?>"
                                </div>
                            </div>
                        <?php endforeach; ?>
                    <?php else: ?>
                        <div style="color: #721c24; background: #f8d7da; padding: 15px; border-radius: 4px;">
                            <h4>❌ Request Failed</h4>
                            <p><strong>Error:</strong> <?= htmlspecialchars($foldersResult['response']['error'] ?? $foldersResult['message'] ?? 'Unknown error') ?></p>
                            
                            <?php if (($foldersResult['response']['http_code'] ?? 0) === 0): ?>
                                <div style="margin-top: 15px; padding: 10px; background: rgba(255,255,255,0.7); border-radius: 4px;">
                                    <h5>Troubleshooting Tips:</h5>
                                    <ul style="margin: 5px 0; padding-left: 20px;">
                                        <li><strong>Timeout Issue:</strong> The API is taking too long to respond</li>
                                        <li><strong>Network:</strong> Check internet connection</li>
                                        <li><strong>Token:</strong> OAuth2 token may have expired - try the "Test OAuth2 Token" button</li>
                                        <li><strong>API Load:</strong> Server might be busy - wait a minute and try again</li>
                                    </ul>
                                    
                                    <div style="margin-top: 10px;">
                                        <strong>Quick Fixes:</strong>
                                        <form method="POST" style="display: inline; margin-right: 10px;">
                                            <input type="hidden" name="action" value="test_token">
                                            <button type="submit" class="btn btn-warning" style="font-size: 12px; padding: 6px 12px;">Test Token</button>
                                        </form>
                                        
                                        <form method="POST" style="display: inline;">
                                            <input type="hidden" name="action" value="get_folders">
                                            <button type="submit" class="btn btn-success" style="font-size: 12px; padding: 6px 12px;">Retry Request</button>
                                        </form>
                                    </div>
                                </div>
                            <?php endif; ?>
                        </div>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
            
            <!-- Peek Results -->
            <?php if (isset($workflowResults['peek'])): ?>
                <?php $peekResult = $workflowResults['peek']; ?>
                <div class="results-display">
                    <h4>🔍 Peek Inside Folder Results:</h4>
                    <p><strong>Status:</strong> <?= $peekResult['status'] ?></p>
                    <p><strong>HTTP Code:</strong> <?= $peekResult['response']['http_code'] ?? 'N/A' ?></p>
                    
                    <?php if ($peekResult['status'] === 'PASS'): ?>
                        <?php 
                        $peekData = json_decode($peekResult['response']['body'], true);
                        
                        // Check different response structures
                        $peekAssets = [];
                        if (isset($peekData['folder_children']['asset_list'])) {
                            $peekAssets = $peekData['folder_children']['asset_list'];
                        } elseif (isset($peekData['items'])) {
                            $peekAssets = $peekData['items'];
                        } elseif (isset($peekData['asset_list'])) {
                            $peekAssets = $peekData['asset_list'];
                        }
                        ?>
                        <div style="background: #f0f8ff; padding: 15px; border-radius: 4px; margin: 10px 0;">
                            <h5>📊 Quick Analysis:</h5>
                            <p><strong>Total Items Found:</strong> <?= count($peekAssets) ?></p>
                            
                            <?php if (!empty($peekAssets)): ?>
                                <?php 
                                $fileTypes = [];
                                $folderCount = 0;
                                $assetCount = 0;
                                
                                foreach ($peekAssets as $item) {
                                    $dataType = $item['data_type'] ?? $item['type'] ?? 'Unknown';
                                    if ($dataType === 'CONTAINER') {
                                        $folderCount++;
                                    } else {
                                        $assetCount++;
                                        $mimeType = $item['mime_type'] ?? 'Unknown';
                                        $fileTypes[$mimeType] = ($fileTypes[$mimeType] ?? 0) + 1;
                                    }
                                }
                                ?>
                                
                                <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 10px;">
                                    <div>
                                        <p><strong>📁 Subfolders:</strong> <?= $folderCount ?></p>
                                        <p><strong>📄 Assets:</strong> <?= $assetCount ?></p>
                                    </div>
                                    
                                    <?php if (!empty($fileTypes)): ?>
                                    <div>
                                        <p><strong>File Types Found:</strong></p>
                                        <ul style="font-size: 12px; margin: 5px 0; padding-left: 15px;">
                                            <?php foreach ($fileTypes as $type => $count): ?>
                                                <li><?= htmlspecialchars($type) ?> (<?= $count ?>)</li>
                                            <?php endforeach; ?>
                                        </ul>
                                    </div>
                                    <?php endif; ?>
                                </div>
                                
                                <div style="margin-top: 15px;">
                                    <strong>🎯 Recommendation:</strong>
                                    <?php if ($assetCount > 0): ?>
                                        <span style="color: #155724; background: #d4edda; padding: 5px 10px; border-radius: 4px;">
                                            ✅ This folder contains <?= $assetCount ?> assets - proceed with "View Final Assets"
                                        </span>
                                    <?php elseif ($folderCount > 0): ?>
                                        <span style="color: #856404; background: #fff3cd; padding: 5px 10px; border-radius: 4px;">
                                            📁 This folder contains <?= $folderCount ?> subfolders - assets might be nested deeper
                                        </span>
                                    <?php else: ?>
                                        <span style="color: #721c24; background: #f8d7da; padding: 5px 10px; border-radius: 4px;">
                                            ❌ This folder appears empty - try a different campaign
                                        </span>
                                    <?php endif; ?>
                                </div>
                            <?php else: ?>
                                <p style="color: #856404;">No assets or subfolders found in this folder.</p>
                            <?php endif; ?>
                        </div>
                        
                    <?php else: ?>
                        <p><strong>Error:</strong> <?= htmlspecialchars($peekResult['response']['error'] ?? $peekResult['message'] ?? 'Unknown error') ?></p>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
        </div>
        <?php endif; ?>

        <!-- Step 3: Get Assets -->
        <?php if ($workflowStep == 3): ?>
        <div class="workflow-section">
            <h2>📄 Step 3: Master Asset Folder Contents</h2>
            
            <?php if (isset($workflowResults['assets'])): ?>
                <?php $assetsResult = $workflowResults['assets']; ?>
                <div class="results-display">
                    <h4>Assets Request Result:</h4>
                    <p><strong>Status:</strong> <?= $assetsResult['status'] ?></p>
                    <p><strong>HTTP Code:</strong> <?= $assetsResult['response']['http_code'] ?? 'N/A' ?></p>
                    <p><strong>URL:</strong> <?= htmlspecialchars($assetsResult['response']['url'] ?? 'N/A') ?></p>
                    
                    <?php if ($assetsResult['status'] === 'PASS'): ?>
                        <?php 
                        $assetsData = json_decode($assetsResult['response']['body'], true);
                        $assets = $assetsData['items'] ?? [];
                        ?>
                        <h4>Found <?= count($assets) ?> Assets:</h4>
                        <?php foreach ($assets as $index => $asset): ?>
                            <div style="border: 1px solid #ddd; margin: 10px 0; padding: 10px; background: white;">
                                <strong>Asset <?= $index + 1 ?>:</strong> <?= htmlspecialchars($asset['name'] ?? 'Unnamed') ?><br>
                                <strong>ID:</strong> <code><?= htmlspecialchars($asset['id'] ?? 'N/A') ?></code><br>
                                <strong>Type:</strong> <?= htmlspecialchars($asset['type'] ?? 'N/A') ?><br>
                                <strong>File Type:</strong> <?= htmlspecialchars($asset['mime_type'] ?? 'N/A') ?><br>
                                <?php if (isset($asset['file_size'])): ?>
                                    <strong>Size:</strong> <?= number_format($asset['file_size']) ?> bytes<br>
                                <?php endif; ?>
                                <button class="btn btn-warning" onclick="downloadAsset('<?= htmlspecialchars($asset['id']) ?>', '<?= htmlspecialchars($asset['name']) ?>')">
                                    Download Asset
                                </button>
                            </div>
                        <?php endforeach; ?>
                        
                        <button class="btn btn-success" onclick="downloadAllAssets()">Download All Assets</button>
                    <?php else: ?>
                        <p><strong>Error:</strong> <?= htmlspecialchars($assetsResult['response']['error'] ?? $assetsResult['message'] ?? 'Unknown error') ?></p>
                    <?php endif; ?>
                </div>
            <?php endif; ?>
        </div>
        <?php endif; ?>
    </div>

    <script>
        function selectCampaign(campaignId, element) {
            // Remove previous selection
            document.querySelectorAll('.campaign-card').forEach(card => {
                card.classList.remove('selected');
            });
            
            // Select current campaign
            element.classList.add('selected');
            document.getElementById('selected-campaign-id').value = campaignId;
            document.getElementById('proceed-btn').disabled = false;
        }
        
        function downloadAsset(assetId, assetName) {
            // TODO: Implement asset download
            alert('Download asset: ' + assetName + ' (ID: ' + assetId + ')');
        }
        
        function downloadAllAssets() {
            // TODO: Implement bulk download
            alert('Download all assets from Master Asset folder');
        }
    </script>
</body>
</html>