CREATE TABLE IF NOT EXISTS `favorites` (
  `id` INT(11) NOT NULL AUTO_INCREMENT,
  `user_id` INT(11) NOT NULL,
  `video_id` VARCHAR(255) NOT NULL,
  `title` VARCHAR(255) NOT NULL,
  `thumbnail` VARCHAR(255) NOT NULL,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `user_video` (`user_id`, `video_id`),
  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;