-- xuchao: 积分系统——规则表 + 流水表(唯一键防刷) + 任务表加 points 列。全部幂等。
CREATE TABLE IF NOT EXISTS `point_rule` (
	`id` bigint AUTO_INCREMENT NOT NULL,
	`event_type` varchar(30) NOT NULL,
	`points` int NOT NULL DEFAULT 0,
	`updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
	CONSTRAINT `point_rule_id` PRIMARY KEY(`id`),
	UNIQUE KEY `uq_point_rule_event` (`event_type`)
);
--> statement-breakpoint
CREATE TABLE IF NOT EXISTS `point_log` (
	`id` bigint AUTO_INCREMENT NOT NULL,
	`child_user_id` bigint NOT NULL,
	`event_type` varchar(30) NOT NULL,
	`ref_key` varchar(100) NOT NULL,
	`points` int NOT NULL,
	`remark` varchar(200) NOT NULL DEFAULT '',
	`created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
	CONSTRAINT `point_log_id` PRIMARY KEY(`id`),
	UNIQUE KEY `uq_point_log_dedup` (`child_user_id`, `event_type`, `ref_key`),
	KEY `idx_point_log_child` (`child_user_id`)
);
--> statement-breakpoint
SET @has_tpl_points = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema = DATABASE() AND table_name = 'task_template' AND column_name = 'points');
--> statement-breakpoint
SET @ddl = IF(@has_tpl_points = 0, 'ALTER TABLE `task_template` ADD COLUMN `points` int NOT NULL DEFAULT 10', 'SELECT 1');
--> statement-breakpoint
PREPARE stmt FROM @ddl;
--> statement-breakpoint
EXECUTE stmt;
--> statement-breakpoint
DEALLOCATE PREPARE stmt;
--> statement-breakpoint
SET @has_inst_points = (SELECT COUNT(*) FROM information_schema.columns WHERE table_schema = DATABASE() AND table_name = 'task_instance' AND column_name = 'points');
--> statement-breakpoint
SET @ddl2 = IF(@has_inst_points = 0, 'ALTER TABLE `task_instance` ADD COLUMN `points` int NOT NULL DEFAULT 10', 'SELECT 1');
--> statement-breakpoint
PREPARE stmt2 FROM @ddl2;
--> statement-breakpoint
EXECUTE stmt2;
--> statement-breakpoint
DEALLOCATE PREPARE stmt2;