/**
 * R3.API.Curve
 * @param id
 * @param name
 * @param curveType
 * @param parentEntity
 * @param arcLenghDivisions
 * @constructor
 */
R3.API.Curve = function (
    id,
    name,
    curveType,
    parentEntity,
    arcLenghDivisions
) {

    if (R3.Utils.UndefinedOrNull(id)) {
        id = R3.Utils.RandomId();
    }
    this.id = id;

    if (R3.Utils.UndefinedOrNull(curveType)) {
        curveType = R3.API.Curve.CURVE_TYPE_NONE;
    }
    this.curveType = curveType;

    if (R3.Utils.UndefinedOrNull(name)) {

        switch (this.curveType) {
            case R3.API.Curve.CURVE_TYPE_NONE :
                name = 'Curve';
                break;
            case R3.API.Curve.CURVE_TYPE_PATH :
                name = 'Curve Path';
                break;
            default:
                console.log('no nice name for curve');
        }

        name += ' (' + this.id + ')';
    }
    this.name = name;

    if (R3.Utils.UndefinedOrNull(arcLenghDivisions)) {
        arcLenghDivisions = 200;
    }
    this.arcLenghDivisions = arcLenghDivisions;

    R3.API.Component.call(
        this,
        R3.API.Curve.GetComponentType(this.curveType),
        parentEntity
    );
};

R3.API.Curve.prototype = Object.create(R3.API.Curve.prototype);
R3.API.Curve.prototype.constructor = R3.API.Curve;

R3.API.Curve.GetComponentType = function(curveType) {

    var componentType = null;

    switch (curveType) {
        case R3.API.Curve.CURVE_TYPE_NONE :
            componentType = R3.Component.CURVE;
            break;
        case R3.API.Curve.CURVE_TYPE_PATH :
            componentType = R3.Component.CURVE_PATH;
            break;
        case R3.API.Curve.CURVE_TYPE_PATH_2D :
            componentType = R3.Component.CURVE_PATH_D2;
            break;
        case R3.API.Curve.CURVE_TYPE_PATH_2D_SHAPE :
            componentType = R3.Component.CURVE_PATH_D2_SHAPE;
            break;
        default :
            throw new Error('unhandled curve type');
    }

    return componentType;
};

R3.API.Curve.CURVE_TYPE_NONE           = 0x0;
R3.API.Curve.CURVE_TYPE_PATH           = 0x1;
R3.API.Curve.CURVE_TYPE_PATH_2D        = 0x2;
R3.API.Curve.CURVE_TYPE_PATH_2D_SHAPE  = 0x3;