<?php

/**
 * Sync Log Viewer
 *
 * This script helps you view recent sync logs and check the status of your sync operations.
 * Run this script to see what happened during the last sync operations.
 */

// Check if we're in the right directory
if (!file_exists('app/Services/BaseSyncService.php')) {
    echo "Error: Please run this script from the project root directory.\n";
    exit(1);
}

require_once 'vendor/autoload.php';

// Simple database connection for viewing sync logs
try {
    $pdo = new PDO('sqlite:database/database.sqlite');
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    echo "=== SYNC LOG VIEWER ===\n\n";

    // Get recent sync logs
    $stmt = $pdo->prepare("
        SELECT sl.*, s.display_name as source_name
        FROM sync_logs sl
        JOIN sources s ON sl.source_id = s.id
        ORDER BY sl.created_at DESC
        LIMIT 10
    ");
    $stmt->execute();
    $logs = $stmt->fetchAll(PDO::FETCH_ASSOC);

    if (empty($logs)) {
        echo "No sync logs found. Run a sync operation first.\n";
        exit(0);
    }

    echo "RECENT SYNC OPERATIONS:\n";
    echo str_repeat("-", 80) . "\n";

    foreach ($logs as $log) {
        $status = strtoupper($log['status']);
        $statusColor = match($log['status']) {
            'completed' => '✅',
            'failed' => '❌',
            'running' => '🔄',
            default => '❓'
        };

        echo "{$statusColor} {$log['source_name']} - {$status} - {$log['created_at']}\n";
        echo "   Type: {$log['sync_type']} | Processed: {$log['processed_items']} | New: {$log['new_items']} | Updated: {$log['updated_items']}\n";

        if ($log['message']) {
            echo "   Message: {$log['message']}\n";
        }

        if ($log['errors']) {
            $errors = json_decode($log['errors'], true);
            if (is_array($errors)) {
                echo "   Errors: " . implode(', ', $errors) . "\n";
            }
        }

        echo "\n";
    }

    // Check for log files
    $logFiles = glob('logs/*.log');
    if (!empty($logFiles)) {
        echo "\nLOG FILES AVAILABLE:\n";
        echo str_repeat("-", 80) . "\n";

        // Sort by modification time, newest first
        usort($logFiles, function($a, $b) {
            return filemtime($b) - filemtime($a);
        });

        foreach (array_slice($logFiles, 0, 5) as $logFile) {
            $size = filesize($logFile);
            $modified = date('Y-m-d H:i:s', filemtime($logFile));
            echo "📄 " . basename($logFile) . " ({$size} bytes) - {$modified}\n";
        }

        echo "\nTo view a specific log file, run: tail -f logs/filename.log\n";
    } else {
        echo "\nNo log files found yet. Log files are created during sync operations.\n";
    }

} catch (Exception $e) {
    echo "Error: " . $e->getMessage() . "\n";
    echo "Make sure your database is set up correctly.\n";
    exit(1);
}