const uuid = require('node-uuid');

const players = {};

const Game = function() {
    this.id = uuid.v4();
}

Game.prototype.addPlayer = function(id, name) {
    if (!players[id]) {
        players[id] = name;
    }
}

Game.prototype.removePlayer = function(id) {
    players[id] = undefined;
    delete players[id];
}

Game.prototype.getPlayers = function() {
    return players;
}

Game.prototype.getRobots = function() {
   const robots = [
        {x: 3, y: 1, color: 'red' },
        {x: 19, y: 0, color: 'silver' },
        {x: 1, y: 19, color: 'green' }
    ];

    return robots.map(r => [r.color, r.x, r.y]); 
}

Game.prototype.getWalls = function() {
    const walls = [
        {x: 8, y: 9, n: 1, e: 0, s: 0, w: 1 },
        {x: 18, y: 9, n: 1, e: 0, s: 0, w: 1 },
        {x: 4, y: 19, n: 1, e: 0, s: 0, w: 1 }
    ];

    return walls.map(w => [w.x, w.y, w.n, w.s, w.e, w.w]);
};

module.exports = Game;