//go:build mysql
// +build mysql

package mysql

func ensureIMHTTPInfrastructureTables(exec sqlExecutor) error {
	statements := []string{
		`CREATE TABLE IF NOT EXISTS im_http_idempotency (
			id BIGINT NOT NULL AUTO_INCREMENT, user_id BIGINT NOT NULL,
			method VARCHAR(8) NOT NULL, route VARCHAR(512) NOT NULL,
			idempotency_key VARCHAR(128) NOT NULL, body_hash CHAR(64) NOT NULL,
			state VARCHAR(16) NOT NULL DEFAULT 'processing', response_status INT NOT NULL DEFAULT 0,
			response_body MEDIUMBLOB, expires_at DATETIME(3) NOT NULL,
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id),
			UNIQUE INDEX uk_im_http_idempotency_scope(user_id, method, route, idempotency_key),
			INDEX idx_im_http_idempotency_expiry(expires_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_business_events_outbox (
			id BIGINT NOT NULL AUTO_INCREMENT, event_id VARCHAR(64) NOT NULL,
			target_type VARCHAR(16) NOT NULL, target VARCHAR(128) NOT NULL,
			actor_user_id BIGINT NOT NULL DEFAULT 0, event_type VARCHAR(64) NOT NULL,
			payload JSON, status VARCHAR(16) NOT NULL DEFAULT 'pending', attempts INT NOT NULL DEFAULT 0,
			next_retry_at DATETIME(3), delivered_at DATETIME(3),
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_business_events_outbox_event(event_id),
			INDEX idx_im_business_events_outbox_pending(status, next_retry_at, id),
			INDEX idx_im_business_events_outbox_target(target_type, target, id)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_realname_appeals (
			id BIGINT NOT NULL, appeal_id VARCHAR(64) NOT NULL, user_id BIGINT NOT NULL,
			reason VARCHAR(500) NOT NULL DEFAULT '', attachments_json JSON,
			status VARCHAR(32) NOT NULL DEFAULT 'pending', review_comment VARCHAR(500) NOT NULL DEFAULT '',
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_realname_appeals_appeal(appeal_id),
			INDEX idx_im_realname_appeals_user(user_id, created_at),
			INDEX idx_im_realname_appeals_status(status, created_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_conversation_settings (
			id BIGINT NOT NULL, user_id BIGINT NOT NULL, topic VARCHAR(128) NOT NULL,
			pinned TINYINT NOT NULL DEFAULT 0, muted TINYINT NOT NULL DEFAULT 0,
			remark VARCHAR(128) NOT NULL DEFAULT '', message_retention VARCHAR(32) NOT NULL DEFAULT 'default',
			version INT NOT NULL DEFAULT 1, created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_conversation_settings_user_topic(user_id, topic),
			INDEX idx_im_conversation_settings_user_pinned(user_id, pinned, updated_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
		`CREATE TABLE IF NOT EXISTS im_topic_drafts (
			id BIGINT NOT NULL, user_id BIGINT NOT NULL, topic VARCHAR(128) NOT NULL,
			content TEXT, entities_json JSON, version INT NOT NULL DEFAULT 1,
			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
			PRIMARY KEY(id), UNIQUE INDEX uk_im_topic_drafts_user_topic(user_id, topic),
			INDEX idx_im_topic_drafts_user_updated(user_id, updated_at)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
	}
	for _, statement := range statements {
		if _, err := exec.Exec(statement); err != nil {
			return err
		}
	}
	return nil
}