require('immutable');
import * as MuncherActions from '../../actions/board/muncher.actions';

const reducer = (state = { x: 0, y: 0 }, action) => {
    if (action.type !== MuncherActions.MUNCHER_ACTION) {
        return state;
    }

    switch (action.action) {
        case MuncherActions.LEFT:
            return { x: state.x - 1, y: state.y };
        case MuncherActions.RIGHT:
            return { x: state.x + 1, y: state.y };
        case MuncherActions.UP:
            return { x: state.x, y: state.y - 1 };
        case MuncherActions.DOWN:
            return { x: state.x, y: state.y + 1 };
        case MuncherActions.MUNCH:
            console.log("Muncher's mouth moved!");
            return state;
    }

    return state;
};

export default reducer;