drop table if exists b_todo_file;
drop table if exists b_todo_rating;
drop table if exists b_todo_log;
drop table if exists b_todo;

-- 待办
create table b_todo (
  id bigint primary key,
  family_id bigint not null,
  name varchar(64) not null,
  description varchar(512) default '',
  status smallint not null default 0,
  priority smallint not null default 0,
  assignee_id bigint,
  deadline timestamptz,
  completed_at timestamptz,
  repeat_type smallint not null default 0,
  remind_at timestamptz,
  complete_note varchar(512) default '',
  sort_number int not null default 0,
  create_time timestamptz,
  update_time timestamptz,
  create_by bigint,
  update_by bigint
);

-- 日志
create table b_todo_log (
  id bigint primary key,
  family_id bigint not null,
  todo_id bigint not null,
  type smallint not null,
  content varchar(1024) default '',
  ref_id bigint,
  create_time timestamptz,
  update_time timestamptz,
  create_by bigint,
  update_by bigint
);

-- 评分
create table b_todo_rating (
  id bigint primary key,
  family_id bigint not null,
  todo_id bigint not null,
  rater_id bigint not null,
  rating smallint not null,
  content varchar(256) default '',
  create_time timestamptz,
  update_time timestamptz,
  create_by bigint,
  update_by bigint
);

-- 附件（完成时上传的图片/视频等）
create table b_todo_file (
  id bigint primary key,
  family_id bigint not null,
  todo_log_id bigint not null,
  todo_id bigint not null,
  file_key varchar(256) not null,
  file_name varchar(256),
  file_type smallint default 1,
  mime_type varchar(64),
  file_size bigint,
  width int,
  height int,
  duration int,
  sort_order int not null default 0,
  create_time timestamptz,
  update_time timestamptz,
  create_by bigint,
  update_by bigint
);

-- 索引
create index idx_b_todo_family_status on b_todo (family_id, status, sort_number, id);
create index idx_b_todo_family_assignee on b_todo (family_id, assignee_id, status);
create index idx_b_todo_log_todo on b_todo_log (family_id, todo_id, create_time, id);
create unique index idx_b_todo_log_todo_type_ref on b_todo_log (family_id, todo_id, type, ref_id);
create index idx_b_todo_rating_todo on b_todo_rating (family_id, todo_id, id);
create unique index idx_b_todo_rating_todo_rater on b_todo_rating (family_id, todo_id, rater_id);
create index idx_b_todo_file_todo_log on b_todo_file (family_id, todo_log_id, sort_order);
create index idx_b_todo_file_todo on b_todo_file (family_id, todo_id, id);