<?php
/**
 * Get Current Image API
 * Returns the current session image as JSON with base64 data
 */

// Suppress HTML error output
error_reporting(E_ALL);
ini_set('display_errors', 0);
ini_set('log_errors', 1);

header('Content-Type: application/json');

// Initialize session manager
require_once 'session_manager.php';
$sessionManager = new SessionManager();

// Initialize auth status with default (for logging)
$authStatus = [
    'authenticated' => true,
    'user' => [
        'name' => 'User',
        'preferred_username' => 'anonymous@nano-banana-pro.com'
    ]
];

// Check authentication (with graceful fallback)
try {
    if (file_exists(__DIR__ . '/AuthMiddleware.php')) {
        require_once 'AuthMiddleware.php';
        $auth = new AuthMiddleware();
        $authStatus = $auth->isAuthenticated();

        if (!$authStatus['authenticated']) {
            http_response_code(401);
            echo json_encode([
                'success' => false,
                'error' => 'Authentication required'
            ]);
            exit;
        }
    }
} catch (Exception $e) {
    // Log error but continue without auth (for testing)
    error_log("Auth check failed in get_current_image.php: " . $e->getMessage());
}

try {
    // Get current image from session
    $currentImage = $sessionManager->getCurrentImage();

    if ($currentImage) {
        echo json_encode([
            'success' => true,
            'data' => $currentImage['data'],
            'mime_type' => $currentImage['mime_type']
        ]);
    } else {
        echo json_encode([
            'success' => false,
            'error' => 'No image in current session'
        ]);
    }
} catch (Exception $e) {
    http_response_code(500);
    echo json_encode([
        'success' => false,
        'error' => $e->getMessage()
    ]);
}