var TextSelectorProp = (function(){
    var max = Math.max;
    var min = Math.min;
    var floor = Math.floor;
    function updateRange(newCharsFlag){
        this._mdf = newCharsFlag || false;
        if(this.dynamicProperties.length){
            var i, len = this.dynamicProperties.length;
            for(i=0;i<len;i+=1){
                this.dynamicProperties[i].getValue();
                if(this.dynamicProperties[i]._mdf){
                    this._mdf = true;
                }
            }
        }
        var totalChars = this.elem.textProperty.currentData ? this.elem.textProperty.currentData.l.length : 0;
        if(newCharsFlag && this.data.r === 2) {
            this.e.v = totalChars;
        }
        var divisor = this.data.r === 2 ? 1 : 100 / totalChars;
        var o = this.o.v/divisor;
        var s = this.s.v/divisor + o;
        var e = (this.e.v/divisor) + o;
        if(s>e){
            var _s = s;
            s = e;
            e = _s;
        }
        this.finalS = s;
        this.finalE = e;
    }

    function getMult(ind){
        //var easer = bez.getEasingCurve(this.ne.v/100,0,1-this.xe.v/100,1);
        var easer = BezierFactory.getBezierEasing(this.ne.v/100,0,1-this.xe.v/100,1).get;
        var mult = 0;
        var s = this.finalS;
        var e = this.finalE;
        var type = this.data.sh;
        if(type == 2){
            if(e === s){
                mult = ind >= e ? 1 : 0;
            }else{
                mult = max(0,min(0.5/(e-s) + (ind-s)/(e-s),1));
            }
            mult = easer(mult);
        }else if(type == 3){
            if(e === s){
                mult = ind >= e ? 0 : 1;
            }else{
                mult = 1 - max(0,min(0.5/(e-s) + (ind-s)/(e-s),1));
            }

            mult = easer(mult);
        }else if(type == 4){
            if(e === s){
                mult = 0;
            }else{
                mult = max(0,min(0.5/(e-s) + (ind-s)/(e-s),1));
                if(mult<0.5){
                    mult *= 2;
                }else{
                    mult = 1 - 2*(mult-0.5);
                }
            }
            mult = easer(mult);
        }else if(type == 5){
            if(e === s){
                mult = 0;
            }else{
                var tot = e - s;
                /*ind += 0.5;
                mult = -4/(tot*tot)*(ind*ind)+(4/tot)*ind;*/
                ind = min(max(0,ind+0.5-s),e-s);
                var x = -tot/2+ind;
                var a = tot/2;
                mult = Math.sqrt(1 - (x*x)/(a*a));
            }
            mult = easer(mult);
        }else if(type == 6){
            if(e === s){
                mult = 0;
            }else{
                ind = min(max(0,ind+0.5-s),e-s);
                mult = (1+(Math.cos((Math.PI+Math.PI*2*(ind)/(e-s)))))/2;
                /*
                 ind = Math.min(Math.max(s,ind),e-1);
                 mult = (1+(Math.cos((Math.PI+Math.PI*2*(ind-s)/(e-1-s)))))/2;
                 mult = Math.max(mult,(1/(e-1-s))/(e-1-s));*/
            }
            mult = easer(mult);
        }else {
            if(ind >= floor(s)){
                if(ind-s < 0){
                    mult = 1 - (s - ind);
                }else{
                    mult = max(0,min(e-ind,1));
                }
            }
            mult = easer(mult);
        }
        return mult*this.a.v;
    }

    function TextSelectorProp(elem,data, arr){
        this._mdf = false;
        this.k = false;
        this.data = data;
        this.dynamicProperties = [];
        this.getValue = updateRange;
        this.getMult = getMult;
        this.elem = elem;
        this.comp = elem.comp;
        this.finalS = 0;
        this.finalE = 0;
        this.s = PropertyFactory.getProp(elem,data.s || {k:0},0,0,this.dynamicProperties);
        if('e' in data){
            this.e = PropertyFactory.getProp(elem,data.e,0,0,this.dynamicProperties);
        }else{
            this.e = {v:100};
        }
        this.o = PropertyFactory.getProp(elem,data.o || {k:0},0,0,this.dynamicProperties);
        this.xe = PropertyFactory.getProp(elem,data.xe || {k:0},0,0,this.dynamicProperties);
        this.ne = PropertyFactory.getProp(elem,data.ne || {k:0},0,0,this.dynamicProperties);
        this.a = PropertyFactory.getProp(elem,data.a,0,0.01,this.dynamicProperties);
        if(this.dynamicProperties.length){
            arr.push(this);
        }else{
            this.getValue();
        }
    }

    function getTextSelectorProp(elem, data,arr) {
        return new TextSelectorProp(elem, data, arr);
    }

    return {
        getTextSelectorProp: getTextSelectorProp
    };
}());