-- +goose Up
ALTER TABLE games ADD COLUMN game_type TEXT NOT NULL DEFAULT 'connect4';
ALTER TABLE games ADD COLUMN grid_width INTEGER;
ALTER TABLE games ADD COLUMN grid_height INTEGER;
ALTER TABLE games ADD COLUMN max_players INTEGER NOT NULL DEFAULT 2;
CREATE INDEX idx_games_game_type ON games(game_type);

-- +goose Down
DROP INDEX IF EXISTS idx_games_game_type;
ALTER TABLE games DROP COLUMN max_players;
ALTER TABLE games DROP COLUMN grid_height;
ALTER TABLE games DROP COLUMN grid_width;
ALTER TABLE games DROP COLUMN game_type;