-- Payment safety hold: apply this migration before deploying the P0 payment changes.
-- No balance is created or reconciled by this migration. Existing records remain
-- historical evidence and must be reconciled against a real provider later.

CREATE TABLE IF NOT EXISTS `cliq_payments` (
  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  `uuid` CHAR(36) NOT NULL UNIQUE,
  `student_id` BIGINT UNSIGNED NOT NULL,
  `course_id` BIGINT UNSIGNED NOT NULL,
  `amount_jod` DECIMAL(8,2) NOT NULL,
  `cliq_alias` VARCHAR(100) NOT NULL,
  `reference_code` VARCHAR(50) NOT NULL UNIQUE,
  `bank_transaction_id` VARCHAR(100) DEFAULT NULL UNIQUE,
  `receipt_image_path` VARCHAR(500) DEFAULT NULL,
  `verification_status` ENUM('pending','verified','rejected','manual_review') NOT NULL DEFAULT 'pending',
  `ai_extracted_json` JSON DEFAULT NULL,
  `verified_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_cliq_student` (`student_id`),
  KEY `idx_cliq_ref` (`reference_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `payout_queue` (
  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  `uuid` CHAR(36) NOT NULL UNIQUE,
  `teacher_id` BIGINT UNSIGNED NOT NULL,
  `amount_jod` DECIMAL(8,2) NOT NULL,
  `teacher_cliq_alias` VARCHAR(150) NOT NULL,
  `status` ENUM('queued','processing','completed','failed','cancelled') NOT NULL DEFAULT 'queued',
  `transaction_reference` VARCHAR(100) DEFAULT NULL,
  `failure_reason` TEXT DEFAULT NULL,
  `processed_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_payout_teacher` (`teacher_id`),
  KEY `idx_payout_status` (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Rollback: do not drop either table. They may contain financial evidence.