/**
 * Physics Broadphase Superset
 * @param id
 * @param name String
 * @param broadphaseType Number
 * @param engine GameLib.D3.Engine
 * @constructor
 */
GameLib.D3.Broadphase = function Broadphase(
    id,
    name,
    broadphaseType,
    engine
) {
    this.id = id;

    if (typeof name == 'undefined') {
        name = 'broadphase-' + broadphaseType;
    }
    this.name = name;

    if (typeof broadphaseType == 'undefined') {
        broadphaseType = GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE;
    }
    this.broadphaseType = broadphaseType;

    this.engine = engine;
    this.engine.isNotCannonThrow();

    this.instance = this.createInstance();
};

/**
 * Creates a custom Broadphase instance based on the engine type
 */
GameLib.D3.Broadphase.prototype.createInstance = function() {

    var instance = null;

    if (this.broadphaseType == GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE) {
        instance = new this.engine.instance.NaiveBroadphase();
    } else if (this.broadphaseType == GameLib.D3.Broadphase.BROADPHASE_TYPE_GRID) {
        instance = new this.engine.instance.GridBroadphase();
    } else if (this.broadphaseType == GameLib.D3.Broadphase.BROADPHASE_TYPE_SAP) {
        instance = new this.engine.instance.SAPBroadphase();
    } else {
        console.warn('Unsupported broadphase type: ' + this.broadphaseType);
        throw new Error('Unsupported broadphase type: ' + this.broadphaseType);
    }

    return instance;
};

GameLib.D3.Broadphase.prototype.toApiBroadphase = function() {
    return null;
};

/**
 * Broadphase Types
 * @type {number}
 */
GameLib.D3.Broadphase.BROADPHASE_TYPE_NAIVE = 0x1;
GameLib.D3.Broadphase.BROADPHASE_TYPE_GRID = 0x2;
GameLib.D3.Broadphase.BROADPHASE_TYPE_SAP = 0x3;