const { Sequelize } = require('./node_modules/sequelize');
const sequelize = new Sequelize('competition_db', 'root', '74191221', {
  host: 'localhost', port: 3306, dialect: 'mysql',
  logging: false
});

(async () => {
  try {
    await sequelize.authenticate();
    console.log('DB connected');

    // MariaDB 5.5 compatible: only one TIMESTAMP can have DEFAULT CURRENT_TIMESTAMP
    await sequelize.query(`
      CREATE TABLE IF NOT EXISTS carousel (
        id INT UNSIGNED NOT NULL AUTO_INCREMENT,
        image_url VARCHAR(500) NOT NULL,
        sort_order INT NOT NULL DEFAULT 0,
        link_url VARCHAR(500) NULL,
        enabled TINYINT(1) NOT NULL DEFAULT 1,
        created_at DATETIME NOT NULL,
        updated_at DATETIME NOT NULL,
        PRIMARY KEY (id),
        KEY idx_sort_order (sort_order),
        KEY idx_enabled (enabled)
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
    `);

    const [rows] = await sequelize.query('SELECT COUNT(*) as cnt FROM carousel');
    console.log('Existing:', rows[0].cnt);

    if (rows[0].cnt === 0) {
      await sequelize.query("INSERT INTO carousel (image_url, sort_order, enabled, created_at, updated_at) VALUES ('https://images.unsplash.com/photo-1446776811953-b23d57bd21aa?w=1200', 1, 1, NOW(), NOW())");
      await sequelize.query("INSERT INTO carousel (image_url, sort_order, enabled, created_at, updated_at) VALUES ('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1200', 2, 1, NOW(), NOW())");
      await sequelize.query("INSERT INTO carousel (image_url, sort_order, enabled, created_at, updated_at) VALUES ('https://images.unsplash.com/photo-1614728263952-84ea256f9679?w=1200', 3, 1, NOW(), NOW())");
      console.log('Inserted 3 carousel slides');
    }
    console.log('Done');
  } catch(e) { console.error(e.message); }
  finally { await sequelize.close(); }
})();