CREATE TABLE app_flags_games (
    game_id UUID PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
    game_seed UUID NOT NULL DEFAULT gen_random_uuid(),
    uid VARCHAR DEFAULT NULL,
    tags VARCHAR[] NOT NULL,
    seconds INT NOT NULL,
    question_amount INT NOT NULL,
    question_current INT DEFAULT 1 NOT NULL,
    questions_errors INT DEFAULT 0 NOT NULL,
    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_shared_data (
    id SERIAL PRIMARY KEY UNIQUE,
    uid VARCHAR NOT NULL,
    share_key VARCHAR NOT NULL,
    game_seed UUID NOT NULL DEFAULT gen_random_uuid(),
    questions INT DEFAULT 0 NOT NULL,
    tags VARCHAR[] NOT NULL,
    seconds INT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    FOREIGN KEY (uid) REFERENCES users (uid)
);

CREATE TABLE app_flags_games_answers (
    game_id UUID NOT NULL,
    question INT NOT NULL,
    errors INT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
    FOREIGN KEY (game_id) REFERENCES app_flags_games (game_id),
    CONSTRAINT app_flags_games_answers_unique UNIQUE (game_id, question)
);