CREATE TYPE matchmaking_choice AS ENUM (
    'yes',
    'late',
    'maybe',
    'dontw',
    'cant',
    'wont'
);

CREATE TABLE matchmaking_events (
    id INTEGER PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,

    text VARCHAR NOT NULL,

    starts_at TIMESTAMP NOT NULL
);

CREATE TABLE matchmaking_replies (
    matchmaking_id INTEGER REFERENCES matchmaking_events(id) NOT NULL,
    user_id INTEGER REFERENCES users(id) NOT NULL,

    choice matchmaking_choice NOT NULL,
    late_mins INTEGER NOT NULL DEFAULT 0,

    PRIMARY KEY(matchmaking_id, user_id)
);

CREATE TABLE matchmaking_messages_telegram (
    matchmaking_id INTEGER REFERENCES matchmaking_events(id) NOT NULL,
    telegram_chat_id BIGINT NOT NULL,
    telegram_message_id INTEGER NOT NULL,

    PRIMARY KEY(matchmaking_id, telegram_chat_id, telegram_message_id)
)