Server : Apache/2 System : Linux server-15-235-50-60 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 User : gositeme ( 1004) PHP Version : 8.2.29 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname Directory :  /home/gositeme/domains/soundstudiopro.com/private_html/

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<?php
session_start();
header('Content-Type: application/json');

// Check if user is logged in
if (!isset($_SESSION['user_id'])) {
    http_response_code(401);
    echo json_encode(['error' => 'Not authenticated']);
    exit;
}

require_once 'config/database.php';

$pdo = getDBConnection();

if (!$pdo) {
    http_response_code(500);
    echo json_encode(['error' => 'Database connection failed']);
    exit;
}

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    echo json_encode(['error' => 'Method not allowed']);
    exit;
}

// Get request data
$input = json_decode(file_get_contents('php://input'), true);
$track_id = $input['track_id'] ?? null;
$prompt = $input['prompt'] ?? null;
$style = $input['style'] ?? 'Pop';
$duration = $input['duration'] ?? 180;

if (!$track_id || !$prompt) {
    http_response_code(400);
    echo json_encode(['error' => 'Track ID and prompt required']);
    exit;
}

try {
    // Get track information
    $stmt = $pdo->prepare("
        SELECT id, user_id, title, prompt, music_type, metadata, created_at 
        FROM music_tracks 
        WHERE id = ? AND user_id = ? AND status = 'failed'
    ");
    $stmt->execute([$track_id, $_SESSION['user_id']]);
    $track = $stmt->fetch();
    
    if (!$track) {
        http_response_code(404);
        echo json_encode(['error' => 'Track not found or not eligible for retry']);
        exit;
    }
    
    // Check if user has enough credits
    $stmt = $pdo->prepare("SELECT credits FROM users WHERE id = ?");
    $stmt->execute([$_SESSION['user_id']]);
    $user = $stmt->fetch();
    
    if ($user['credits'] < 1) {
        http_response_code(400);
        echo json_encode(['error' => 'Insufficient credits']);
        exit;
    }
    
    // Parse metadata to get original parameters
    $metadata = json_decode($track['metadata'], true) ?: [];
    
    // Generate new task ID
    $temp_task_id = 'retry_' . time() . '_' . rand(1000, 9999);
    
    // Update track with new prompt and parameters
    $stmt = $pdo->prepare("
        UPDATE music_tracks 
        SET status = 'processing', 
            task_id = ?, 
            prompt = ?,
            music_type = ?,
            duration = ?,
            updated_at = NOW() 
        WHERE id = ?
    ");
    $stmt->execute([$temp_task_id, $prompt, $style, $duration, $track_id]);
    
    // Deduct credit
    $newCredits = $user['credits'] - 1;
    $stmt = $pdo->prepare("UPDATE users SET credits = ? WHERE id = ?");
    $stmt->execute([$newCredits, $_SESSION['user_id']]);
    
    // Record credit transaction
    $stmt = $pdo->prepare("
        INSERT INTO credit_transactions (user_id, amount, type, description, created_at) 
        VALUES (?, -1, 'usage', 'Music track retry with new prompt: {$track['title']}', NOW())
    ");
    $stmt->execute([$_SESSION['user_id']]);
    
    // Update session credits
    $_SESSION['credits'] = $newCredits;
    
    // Call the music generation API with new parameters
    $api_url = 'https://api.api.box/api/v1/generate';
    $api_data = [
        'prompt' => $prompt,
        'model' => $metadata['model_name'] ?? 'melody',
        'style' => $style,
        'title' => $track['title'],
        'customMode' => $metadata['customMode'] ?? 'false',
        'instrumental' => $metadata['instrumental'] ?? 'false',
        'duration' => $duration,
        'callBackUrl' => 'https://soundstudiopro.com/callback.php'
    ];
    
    // Add advanced parameters if they exist
    if (!empty($metadata['tempo'])) $api_data['tempo'] = $metadata['tempo'];
    if (!empty($metadata['key'])) $api_data['key'] = $metadata['key'];
    if (!empty($metadata['scale'])) $api_data['scale'] = $metadata['scale'];
    if (!empty($metadata['energy'])) $api_data['energy'] = $metadata['energy'];
    if (!empty($metadata['excitement'])) $api_data['excitement'] = $metadata['excitement'];
    if (!empty($metadata['mood'])) $api_data['mood'] = $metadata['mood'];
    if (!empty($metadata['tags'])) $api_data['tags'] = $metadata['tags'];
    if (!empty($metadata['variations']) && $metadata['variations'] > 1) $api_data['variations'] = $metadata['variations'];
    
    // Music generation access key
    $api_key = '63edba40620216c5aa2c04240ac41dbd';
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $api_url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($api_data));
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Authorization: Bearer ' . $api_key,
        'Content-Type: application/json',
        'User-Agent: SoundStudioPro-Music/2.0'
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 30);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $curl_error = curl_error($ch);
    curl_close($ch);
    
    // Log the retry attempt with new prompt
    error_log("Retry with new prompt API Request for track $track_id: " . json_encode($api_data));
    error_log("Retry with new prompt API Response: HTTP $http_code, Response: " . $response);
    
    // Handle response (same logic as original API)
    if ($curl_error || $http_code !== 200 || !$response) {
        // Keep in processing state even if API call fails
        echo json_encode([
            'success' => true,
            'message' => 'Retry with new prompt initiated! Processing may take a few minutes.',
            'track_id' => $track_id,
            'status' => 'processing'
        ]);
        exit;
    }
    
    $api_result = json_decode($response, true);
    
    if (isset($api_result['taskId']) || isset($api_result['status']) && $api_result['status'] === 'processing') {
        // Task is being processed
        $real_task_id = $api_result['taskId'] ?? $api_result['id'] ?? $api_result['data']['taskId'] ?? null;
        
        if ($real_task_id) {
            // Update track with real task ID
            $stmt = $pdo->prepare("UPDATE music_tracks SET task_id = ? WHERE id = ?");
            $stmt->execute([$real_task_id, $track_id]);
        }
        
        echo json_encode([
            'success' => true,
            'message' => 'Retry with new prompt successful! Music generation started.',
            'track_id' => $track_id,
            'status' => 'processing'
        ]);
    } else {
        // Keep in processing state
        echo json_encode([
            'success' => true,
            'message' => 'Retry with new prompt initiated! Processing may take a few minutes.',
            'track_id' => $track_id,
            'status' => 'processing'
        ]);
    }
    
} catch (Exception $e) {
    error_log("Retry with new prompt error for track $track_id: " . $e->getMessage());
    http_response_code(500);
    echo json_encode(['error' => 'Internal server error']);
}
?>