CREATE TABLE app_flags_games (
    game_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    game_seed UUID DEFAULT gen_random_uuid(),
    uid VARCHAR DEFAULT NULL,
    tags VARCHAR[] NOT NULL,
    question_amount INT NOT NULL,
    question_current INT DEFAULT 0 NOT NULL,
    question_correct INT GENERATED ALWAYS AS (
        (SELECT COUNT(*) FROM app_flags_games_answers a WHERE a.game_id = app_flags_games.game_id AND a.correct = TRUE)
    ) STORED,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    last_activity TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    FOREIGN KEY (uid) REFERENCES users (uid)
);

CREATE TABLE app_flags_games_answers (
    game_id UUID,
    question INT NOT NULL,
    correct BOOLEAN NOT NULL,
    FOREIGN KEY (game_id) REFERENCES app_flags_games (game_id),
    CONSTRAINT app_flags_games_answers_unique UNIQUE (game_id, question)
);