<?php
require_once 'includes/config.php';
require_once 'includes/functions.php';
require_once 'includes/auth.php';

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

try {
    $auth = new Auth();
    if (!$auth->isLoggedIn()) {
        throw new Exception('Unauthorized');
    }

    $selection_id = isset($_GET['id']) ? (int)$_GET['id'] : 0;
    if (!$selection_id) {
        throw new Exception('Selection ID is required');
    }

    // Read progress from the temp file created by the worker
    $progress_file = sys_get_temp_dir() . '/syndia_progress_' . $selection_id . '.json';
    
    if (!file_exists($progress_file)) {
        // If progress file doesn't exist, check if process is still starting
        echo json_encode([
            'success' => true,
            'progress' => 0,
            'processed' => 0,
            'success_count' => 0,
            'error_count' => 0,
            'total' => 0,
            'status' => 'Starting...',
            'completed' => false,
            'remaining' => 0
        ]);
        exit;
    }

    $progress_data = json_decode(file_get_contents($progress_file), true);
    
    if (!$progress_data) {
        throw new Exception('Invalid progress data');
    }

    // Calculate remaining count
    $remaining = max(0, ($progress_data['total'] ?? 0) - ($progress_data['processed'] ?? 0));

    // Return progress data
    echo json_encode([
        'success' => true,
        'progress' => $progress_data['progress'] ?? 0,
        'processed' => $progress_data['processed'] ?? 0,
        'success_count' => $progress_data['success'] ?? 0,
        'error_count' => $progress_data['error'] ?? 0,
        'total' => $progress_data['total'] ?? 0,
        'status' => $progress_data['status'] ?? 'Processing...',
        'completed' => $progress_data['completed'] ?? false,
        'remaining' => $remaining,
        'timestamp' => $progress_data['timestamp'] ?? time()
    ]);

} catch (Exception $e) {
    error_log("Check generation progress error: " . $e->getMessage());
    echo json_encode([
        'success' => false,
        'error' => $e->getMessage(),
        'progress' => 0,
        'processed' => 0,
        'success_count' => 0,
        'error_count' => 0,
        'total' => 0,
        'status' => 'Error: ' . $e->getMessage(),
        'completed' => false,
        'remaining' => 0
    ]);
}
?>