CREATE TABLE IF NOT EXISTS `orders` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `user_id` INT NOT NULL,
  `restaurant_id` INT NOT NULL,
  `total_price` DECIMAL(10, 2) NOT NULL,
  `status` VARCHAR(50) NOT NULL DEFAULT 'pending', 
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)
);

CREATE TABLE IF NOT EXISTS `order_items` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `order_id` INT NOT NULL,
  `menu_item_id` INT NOT NULL,
  `quantity` INT NOT NULL,
  `price` DECIMAL(10, 2) NOT NULL, 
  FOREIGN KEY (`order_id`) REFERENCES `orders`(`id`)
);