fossasia/loklak_webclient

var utils = require('../../lib/utils');

module.exports = {

    re: [
        /^https?:\/\/tube\.geogebra\.org\/material\/\w+\/id\/(\d+)/i,
        /^https?:\/\/tube\.geogebra\.org\/m\/(\d+)/i,
        /^https?:\/\/tube\.geogebra\.org\/student\/m(\d+)/i,
        /^https?:\/\/\w+\.geogebra\.org\/m\/(\d+)/i        
    ],

    mixins: [
        "*"
    ],

    getLink: function(urlMatch, og, options, cb) {


        if (!og.image) {
            cb('OG image not available');            
        } else {

            if (og.image.width && og.image.height) {

                cb (null, {
                    href: 'https://tube.geogebra.org/material/iframe/id/' + urlMatch[1], 
                    type: CONFIG.T.text_html,
                    rel: [CONFIG.R.app, CONFIG.R.html5],
                    "aspect-ratio": og.image.width / og.image.height
                }); 

            } else {

                utils.getImageMetadata(og.image, options, function(error, data) {

                    if (error || data.error) {
                        cb('Image not available');
                    } else {

                        if (data.width && data.height) {
                            cb (null, {
                                href: 'https://tube.geogebra.org/material/iframe/id/' + urlMatch[1], 
                                type: CONFIG.T.text_html,
                                rel: [CONFIG.R.app, CONFIG.R.html5],
                                "aspect-ratio": data.width / data.height
                            }); 
                        } else {
                            cb ('Could not detect aspect ratio')
                        }
                    }
                });
            }

        }
    },


    tests: [
        "http://tube.geogebra.org/material/simple/id/106299",
        "http://tube.geogebra.org/m/60391",
        "https://tube.geogebra.org/student/m29659",
        "http://www.geogebra.org/m/141300"
    ]
};