-- Create payment_orders table for Razorpay integration
CREATE TABLE IF NOT EXISTS `payment_orders` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `course_id` int(11) NOT NULL,
  `amount` decimal(10,2) NOT NULL,
  `currency` varchar(5) NOT NULL DEFAULT 'INR',
  `receipt` varchar(255) NOT NULL,
  `razorpay_order_id` varchar(255) DEFAULT NULL,
  `payment_for` varchar(255) DEFAULT NULL,
  `status` enum('created','paid','failed','refunded') NOT NULL DEFAULT 'created',
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `course_id` (`course_id`),
  KEY `razorpay_order_id` (`razorpay_order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Add foreign key constraints if needed
ALTER TABLE `payment_orders`
  ADD CONSTRAINT `payment_orders_user_id_fk` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `payment_orders_course_id_fk` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE CASCADE;