'use strict';

(function (scope) {
    /**
     * Math terminal node
     *
     * @class MathTerminalNode
     * @extends MathNode
     * @param {Object} [obj]
     * @constructor
     */
    function MathTerminalNode(obj) {
        scope.MathNode.call(this, obj);
        this.candidates = [];
        this.inkRanges = [];
        if (obj) {
            this.selectedCandidate = obj.selectedCandidate;
            for (var i in obj.candidates) {
                this.candidates.push(new scope.MathTerminalNodeCandidate(obj.candidates[i]));
            }
            for (var j in obj.inkRanges) {
                this.inkRanges.push(new scope.MathInkRange(obj.inkRanges[j]));
            }
        }
    }

    /**
     * Inheritance property
     */
    MathTerminalNode.prototype = new scope.MathNode();

    /**
     * Constructor property
     */
    MathTerminalNode.prototype.constructor = MathTerminalNode;

    /**
     * Get candidates
     *
     * @method getCandidates
     * @returns {MathTerminalNodeCandidate[]}
     */
    MathTerminalNode.prototype.getCandidates = function () {
        return this.candidates;
    };

    /**
     * Get ink ranges
     *
     * @method getInkRanges
     * @returns {MathInkRange[]}
     */
    MathTerminalNode.prototype.getInkRanges = function () {
        return this.inkRanges;
    };

    /**
     * Get selected candidate index
     *
     * @method getSelectedCandidateIdx
     * @returns {Number}
     */
    MathTerminalNode.prototype.getSelectedCandidateIdx = function () {
        return this.selectedCandidate;
    };

    /**
     * Get selected candidate
     *
     * @method getSelectedCandidate
     * @returns {MathTerminalNodeCandidate}
     */
    MathTerminalNode.prototype.getSelectedCandidate = function () {
        if ((this.getCandidates().length > 0) && (this.getSelectedCandidateIdx() !== undefined)) {
            return this.getCandidates()[this.getSelectedCandidateIdx()];
        } else {
            return undefined;
        }
    };

    // Export
    scope.MathTerminalNode = MathTerminalNode;
})(MyScript);