CREATE TABLE IF NOT EXISTS `users` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `email` VARCHAR(255) UNIQUE NOT NULL,
  `is_premium` BOOLEAN NOT NULL DEFAULT FALSE,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS `payments` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `user_id` INT,
  `stripe_payment_intent_id` VARCHAR(255) UNIQUE NOT NULL,
  `amount` INT NOT NULL,
  `currency` VARCHAR(10) NOT NULL,
  `status` VARCHAR(50) NOT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (user_id) REFERENCES users(id)
);