'use strict';

(function() {

    if (!self.moto) self.moto = {};
    if (self.moto.SVG) return;

    self.moto.SVG = {
        parse,
        parseAsync
    };

    /**
     * @param {String} text
     * @returns {Array} vertex face array
     */

    function parseAsync(text) {
        return new Promise((resolve,reject) => {
            resolve(parse(text));
        });
    }

    function parse(text) {

        let faces = [ ];
        let objs = [ faces ];

        let data = new THREE.SVGLoader().parse(text);
        let paths = data.paths;

        for (let i = 0; i < paths.length; i++) {
            let path = paths[i];
            let shapes = path.toShapes(true);
            let geom = new THREE.ExtrudeGeometry(shapes, {
                steps: 1,
                depth: 5,
                bevelEnabled: false
            });
            let array = geom.attributes.position.array;
            // invert y
            for (let i=0; i<array.length; i+=3) {
                array[i+1] = -array[i+1];
            }
            // objs.push(geom.attributes.position.array);
            faces.appendAll(array);
        }

        return objs;
    }

})();