<?php
require_once __DIR__ . '/config.php';

try {
    $pdo = db();

    // 1. Create migrations table if it doesn't exist
    $pdo->exec('CREATE TABLE IF NOT EXISTS migrations (migration VARCHAR(255) PRIMARY KEY)');

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

    // 3. Find all migration files
    $migrationFiles = glob(__DIR__ . '/migrations/*.sql');

    // 4. Determine which migrations to run
    foreach ($migrationFiles as $file) {
        $migrationName = basename($file);

        if (!in_array($migrationName, $executedMigrations)) {
            // 5. Execute the migration
            $sql = file_get_contents($file);
            $pdo->exec($sql);

            // 6. Record the migration
            $stmt = $pdo->prepare('INSERT INTO migrations (migration) VALUES (?)');
            $stmt->execute([$migrationName]);

            echo "Migration from $migrationName executed successfully.\n";
        }
    }
    echo "All new migrations have been executed.";

} catch (PDOException $e) {
    die("Database migration failed: " . $e->getMessage());
}