create table users (
    id                  bigserial                   not null,
    telegram_user_id    bigint                      not null,
    first_name          character varying (64)      not null,
    last_name           character varying (64),
    username            character varying (32),
    primary key (id),
    unique (telegram_user_id)
);

create table poll_schemas (
    id                  bigserial                   not null,
    name                character varying (32)      not null,
    question            character varying (255)     not null,
    primary key (id),
    unique (name)
);

create table poll_options (
    id                  bigserial                   not null,
    poll_schema_id      bigint                      not null,
    name                character varying (100)     not null,
    ordinal             bigint,
    primary key (id),
    foreign key (poll_schema_id) references poll_schemas on delete cascade on update cascade,
    unique (poll_schema_id, name),
    unique (poll_schema_id, ordinal)
);

create table polls (
    id                  bigserial                   not null,
    telegram_message_id bigint                      not null,
    telegram_poll_id    text                        not null,
    poll_schema_id      bigint                      not null,
    created_at          timestamp                   default now() not null,
    is_complete         boolean                     default false not null,
    primary key (id),
    foreign key (poll_schema_id) references poll_schemas on delete cascade on update cascade,
    unique (telegram_message_id),
    unique (telegram_poll_id)
);

create table poll_answers (
    id                  bigserial                   not null,
    poll_id             bigint                      not null,
    user_id             bigint                      not null,
    poll_option_id      bigint                      not null,
    primary key (id),
    foreign key (poll_id) references polls on delete cascade on update cascade,
    foreign key (user_id) references users on delete cascade on update cascade,
    foreign key (poll_option_id) references poll_options on delete cascade on update cascade,
    unique (poll_id, user_id, poll_option_id)
);

insert into poll_schemas (name, question) values ('mood', 'Оцените свое состояние на текущую минуту');
insert into poll_options (poll_schema_id, name, ordinal) values (1, '😄', 0);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '🤪', 1);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '🫠', 2);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '☠️', 3);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '🤡', 4);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '😟', 5);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '😩', 6);
insert into poll_options (poll_schema_id, name, ordinal) values (1, '😡', 7);

insert into poll_schemas (name, question) values ('lunch', 'Какие у вас планы на обед?');
insert into poll_options (poll_schema_id, name, ordinal) values (2, '🍽️ Пойду в общепит', 0);
insert into poll_options (poll_schema_id, name, ordinal) values (2, '📦 Хочу заказать в офис', 1);
insert into poll_options (poll_schema_id, name, ordinal) values (2, '🥪 Всё своё ношу с собой', 2);
insert into poll_options (poll_schema_id, name, ordinal) values (2, '😴 Хочу спать', 3);