create table "user"
(
    id              bigint                             not null
        primary key,
    nickname        varchar(255) not null,
    avatar          varchar(255) not null,
    status          smallint                 default 0 not null,
    last_login_time timestamp with time zone,
    create_time     timestamp with time zone default now(),
    update_time     timestamp with time zone default now()
);

create table user_oauth
(
    id          bigint                             not null
primary key,
    user_id     bigint                             not null,
    type        smallint                 default 0 not null,
    openid      varchar(255)                       not null,
    create_time timestamp with time zone default now(),
    update_time timestamp with time zone default now()
);

create table space
(
    id              bigint primary key,

    -- 核心业务字段
    name            varchar(255) not null,
    invite_code     varchar(30) not null unique,
    owner_id        bigint not null,

    -- 状态字段
    status          smallint default 0 not null, -- 0 active 1 disabled 2 dissolved
    disabled_time   timestamp with time zone,
    dissolve_time   timestamp with time zone,

    -- 时间字段
    create_time     timestamp with time zone default now() not null,
    update_time     timestamp with time zone default now() not null
);

create table space_member
(
    id              bigint primary key,

    -- 关系核心字段
    space_id        bigint not null,
    user_id         bigint not null,

    -- 角色 & 默认
    role            smallint default 2 not null,
    is_default      smallint default 0 not null,
    sort_number     integer default 0 not null,
    member_name        varchar(255) not null,

    -- 成员状态
    status          smallint default 0 not null, -- 0 active 1 disabled 2 exited
    disabled_time   timestamp with time zone,
    exit_time       timestamp with time zone,

    -- 时间字段
    join_time       timestamp with time zone default now() not null,
    update_time     timestamp with time zone default now() not null,

    unique (space_id, user_id)
);

--记账分类默认表
create table finance_category_default
(
    id          bigint                             not null
        primary key,
    name        varchar(64)                        not null,
    icon        varchar(64)                        not null,
    type        smallint                 default 0 not null,
    sort_number integer                  default 0 not null,
    create_time timestamp with time zone default now(),
    update_time timestamp with time zone default now()
);

--记账分类空间表
create table finance_category_space
(
    id          bigint                             not null
        primary key,
    space_id    bigint                             not null,
    name        varchar(64)                        not null,
    icon        varchar(64)                        not null,
    type        smallint                 default 0 not null,
    sort_number integer                  default 0 not null,
    create_by   bigint                             not null,
    create_time timestamp with time zone default now(),
    update_by   bigint                             not null,
    update_time timestamp with time zone default now()
);

-- 记账记录表
create table finance_record
(
    id          bigint         not null
        primary key,
    category_id bigint         not null,
    space_id    bigint         not null,
    amount      numeric(12, 2) not null,
    remark      varchar(255),
    record_time date,
    create_by   bigint         not null,
    create_time timestamp with time zone default now(),
    update_by   bigint         not null,
    update_time timestamp with time zone default now()
);


-- session
CREATE TABLE session (
     id          bigint         not null primary key,
     space_id    bigint         not null,
     type smallint not null,
     name varchar(255),
     avatar varchar(255),
     description text,
     status smallint default 0,
     create_time timestamp with time zone default now(),
     update_time timestamp with time zone default now()
)

-- session_member
create table session_member
(
    id           bigint                             not null
        primary key,
    session_id   bigint                             not null,
    user_id      bigint                             not null,
    remark       varchar(255),
    is_top       smallint                 default 0 not null,
    unread_count integer                  default 0,
    last_msg_id  bigint,
    status       integer                  default 0,
    create_time  timestamp with time zone default now(),
    update_time  timestamp with time zone default now()
);

create table session_message
(
    id           bigint                             not null
        primary key,
    session_id   bigint                             not null,
    sender_id    bigint                             not null,
    content      text                               not null,
    content_type smallint                 default 0 not null,
    create_time  timestamp with time zone default now()
);