<?php
require_once 'config.php';

function run_migrations() {
    try {
        $pdo = db();
        if (!$pdo) {
            throw new Exception("Failed to connect to the database.");
        }

        $migrationsDir = __DIR__ . '/migrations';
        if (!is_dir($migrationsDir)) {
            mkdir($migrationsDir, 0775, true);
        }
        
        $files = glob($migrationsDir . '/*.sql');
        sort($files);

        $output = [];
        foreach ($files as $file) {
            $sql = file_get_contents($file);
            if (!empty(trim($sql))) {
                $pdo->exec($sql);
                $output[] = "Executed migration: " . basename($file);
            }
        }

        return ['success' => true, 'output' => $output];

    } catch (Exception $e) {
        return ['success' => false, 'error' => "Database migration failed: " . $e->getMessage()];
    }
}

// If the script is run directly from the command line, execute the migrations.
if (php_sapi_name() === 'cli') {
    $result = run_migrations();
    if ($result['success']) {
        foreach ($result['output'] as $line) {
            echo $line . "
";
        }
        echo "Migrations completed successfully.
";
    } else {
        echo $result['error'] . "
";
    }
}