/**
 * A function library for adding text animators on top of text layers
 * 
 * @author Kyle Harter
 * 
*/


var KMTextAnimatorsLib = (function(){
    
    var matchNames = {
        animator: "ADBE Text Animator",

        props: {
            anchorPoint: "ADBE Text Anchor Point 3D" ,
            position: "ADBE Text Position 3D" ,
            scale: "ADBE Text Scale 3D" ,
            skew: "ADBE Text Skew" ,
            skewAxis: "ADBE Text Skew Axis" ,
            rotation:  "ADBE Text Rotation",
            opacity:  "ADBE Text Opacity"
        },

    };


    
    /**
     * adds a text animator group to a text layer along with a range selector
     *
     * @param {TextLayer} textLayer
     * @param {string} animator - matchNames.animatorName 
     * @return {Property} the added text animation property
     */
    function addBasicAnimator(textLayer, animator){
        var anim = textLayer.property("ADBE Text Properties")
                            .property("ADBE Text Animators")
                            .addProperty(animator);
        
                            
        var selector = anim.property("ADBE Text Selectors").addProperty("ADBE Text Selector");

        return anim

    }

    

    /**
     * adds a text animator property to a text animator group
     *
     * @param {object} anim - the text animator group established in "addBasicAnimator(textLayer,animator)"
     * @param {string} prop - matchNames.propName
     * @return {Property} added text animator property
     */
    function addAnimProp(anim,prop){
        var animPosGroup = anim.property("ADBE Text Animator Properties");
        var textAnimProp = animPosGroup.addProperty(prop);
        return textAnimProp
    }



    return {
        matchNames: matchNames,
        addBasicAnimator: addBasicAnimator,
        addAnimProp: addAnimProp
    };
}());