-- ============================================================
-- 待办清单模块（t_todo）
-- 数据库: freedom_db
-- 用途:  多人待办清单，数据按 user_id 隔离，每个登录用户只能管理自己的待办
-- 说明:  可重复执行（CREATE TABLE IF NOT EXISTS / 幂等 INSERT 判断）
--        执行后需重新登录系统（或退出登录）刷新菜单缓存方可看到新菜单
-- ============================================================

USE `freedom_db`;

-- 1. 待办清单数据表
CREATE TABLE IF NOT EXISTS `t_todo` (
  `id`          BIGINT       NOT NULL AUTO_INCREMENT COMMENT '主键',
  `user_id`     BIGINT       NOT NULL COMMENT '所属用户ID（关联 t_sys_user.id）',
  `title`       VARCHAR(200) NOT NULL COMMENT '标题',
  `status`      TINYINT      DEFAULT 0 COMMENT '状态：0未完成 1已完成',
  `priority`    TINYINT      DEFAULT 2 COMMENT '优先级：1低 2中 3高',
  `due_date`    DATE         DEFAULT NULL COMMENT '截止日期',
  `remark`      VARCHAR(500) DEFAULT NULL COMMENT '备注',
  `create_by`   VARCHAR(50)  DEFAULT NULL COMMENT '创建者',
  `create_date` DATETIME     DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `update_by`   VARCHAR(50)  DEFAULT NULL COMMENT '更新者',
  `update_date` DATETIME     DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
  `del_flag`    TINYINT      DEFAULT 0 COMMENT '删除标记',
  PRIMARY KEY (`id`),
  KEY `idx_todo_user_status` (`user_id`, `status`, `del_flag`),
  KEY `idx_todo_user_due` (`user_id`, `due_date`)
) ENGINE=InnoDB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8mb4 COMMENT='待办清单表';

-- 2. 菜单权限：一级菜单「待办」
INSERT INTO `t_sys_permission`
  (`parent_id`, `permission_code`, `permission_name`, `permission_desc`, `level`, `icon`, `url`, `component`, `sort`, `create_by`, `create_date`, `del_flag`)
SELECT 0, 'todo', '待办', '多人待办清单', 1, 'md-checkmark-circle', '', '', 10, 'admin', NOW(), 0
FROM DUAL
WHERE NOT EXISTS (SELECT 1 FROM `t_sys_permission` WHERE `permission_code` = 'todo' AND `del_flag` = 0);

-- 3. 菜单权限：二级菜单「待办清单」
SET @todo_parent_id = (SELECT `id` FROM `t_sys_permission` WHERE `permission_code` = 'todo' AND `del_flag` = 0 ORDER BY `id` LIMIT 1);

INSERT INTO `t_sys_permission`
  (`parent_id`, `permission_code`, `permission_name`, `permission_desc`, `level`, `icon`, `url`, `component`, `sort`, `create_by`, `create_date`, `del_flag`)
SELECT @todo_parent_id, 'todo:list', '待办清单', '个人待办事项的增删改与完成状态维护', 2, 'md-list-box', '/todo/list', '/todo/todo-list', 1, 'admin', NOW(), 0
FROM DUAL
WHERE NOT EXISTS (SELECT 1 FROM `t_sys_permission` WHERE `permission_code` = 'todo:list' AND `del_flag` = 0);

-- 4. 角色授权：给所有现有角色挂上新菜单（幂等）
INSERT INTO `t_sys_role_permission` (`role_id`, `permission_id`, `create_by`, `create_date`)
SELECT r.`id`, p.`id`, 'admin', NOW()
FROM `t_sys_role` r
JOIN `t_sys_permission` p ON p.`permission_code` IN ('todo', 'todo:list') AND p.`del_flag` = 0
WHERE r.`del_flag` = 0
  AND NOT EXISTS (
    SELECT 1 FROM `t_sys_role_permission` rp
    WHERE rp.`role_id` = r.`id` AND rp.`permission_id` = p.`id`
  );