/**
 * THIS is the Board class.
 */
module.exports = {
    keydown(e) {
        var x = this.refs.muncher.state.x;
        var y = this.refs.muncher.state.y;

        switch (e.keyCode) {
            case 32:
                this.refs.grid.munch(x, y);
                break;

            case 37: // Left arrow
                if (x > 0) {
                    this.refs.muncher.setState({ x: x - 1 });
                }
                break;
            case 38: // Up arrow
                if (y > 0) {
                    this.refs.muncher.setState({ y: y - 1 });
                }
                break;
            case 39: // Right arrow
                if (x < this.refs.grid.props.width - 1) {
                    this.refs.muncher.setState({ x: x + 1 });
                }
                break;
            case 40: // Down arrow
                if (y < this.refs.grid.props.height - 1) {
                    this.refs.muncher.setState({ y: y + 1 });
                }
        }
    }
};