<?php
// Generated by setup_mariadb_project.sh — edit as needed.
define('DB_HOST', '127.0.0.1');
define('DB_NAME', 'app_36694');
define('DB_USER', 'app_36694');
define('DB_PASS', 'c0ffff39-e90d-4b28-81d8-31752766da7b');

function db() {
  static $pdo;
  if (!$pdo) {
    $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [
      PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
      PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    ]);
  }
  return $pdo;
}

function run_migrations() {
    $pdo = db();
    $migrations_dir = __DIR__ . '/migrations';

    // 1. Create migrations table if it doesn't exist (handle the very first run)
    try {
        $pdo->query('SELECT 1 FROM migrations LIMIT 1');
    } catch (PDOException $e) {
        $pdo->exec("CREATE TABLE migrations (id INT AUTO_INCREMENT PRIMARY KEY, migration_name VARCHAR(255) NOT NULL UNIQUE, executed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP);");
    }

    // 2. Get all executed migration names
    $executed_migrations_stmt = $pdo->query('SELECT migration_name FROM migrations');
    $executed_migrations = $executed_migrations_stmt->fetchAll(PDO::FETCH_COLUMN);

    // 3. Find and run new migration files
    if (is_dir($migrations_dir)) {
        $files = glob($migrations_dir . '/*.sql');
        sort($files); // Ensure they run in order

        foreach ($files as $file) {
            $migration_name = basename($file);

            if (!in_array($migration_name, $executed_migrations)) {
                $sql = file_get_contents($file);
                if ($sql) {
                    $pdo->exec($sql);
                    $insert_stmt = $pdo->prepare('INSERT INTO migrations (migration_name) VALUES (?)');
                    $insert_stmt->execute([$migration_name]);
                }
            }
        }
    }
}

run_migrations();