(function () {
    Artplayer.DEBUG = true;

    function getURLParameters(url) {
        return (url.match(/([^?=&]+)(=([^&]*))/g) || []).reduce(function (a, v) {
            return (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1)), a;
        }, {});
    }

    function getExt(url) {
        if (url.includes('?')) {
            return getExt(url.split('?')[0]);
        }

        if (url.includes('#')) {
            return getExt(url.split('#')[0]);
        }

        return url.trim().toLowerCase().split('.').pop();
    }

    function loadScript(url) {
        return new Promise(function (resolve, reject) {
            var define2 = window.define;
            window.define = undefined;
            var script = document.createElement('script');
            script.type = 'text/javascript';
            script.src = url;
            script.onload = function () {
                window.define = define2;
                resolve(url);
            };
            script.onerror = function () {
                reject(new Error('Loading script failed:' + url));
            };
            document.querySelector('head').appendChild(script);
        });
    }

    function loadStyle(url) {
        return new Promise(function (resolve, reject) {
            var link = document.createElement('link');
            link.rel = 'stylesheet';
            link.href = url;
            link.onload = function () {
                resolve(url);
            };
            link.onerror = function () {
                reject(new Error('Loading style failed:' + url));
            };
            document.querySelector('head').appendChild(link);
        });
    }

    function loadLib(libs) {
        var libPromise = [];
        var libsDecode = decodeURIComponent(libs || '');
        libsDecode
            .split(/\r?\n/)
            .forEach(function (url) {
                var ext = getExt(url);
                if (ext === 'js') {
                    libPromise.push(loadScript(url));
                } else if (ext === 'css') {
                    libPromise.push(loadStyle(url));
                }
            });
        return Promise.all(libPromise);
    }

    function runExample(name) {
        fetch('./assets/example/' + name + '.js')
            .then(function (response) {
                return response.text();
            })
            .then(function (text) {
                eval(text);
            })
    }

    function loadCode(code, example) {
        if (example) {
            runExample(example);
        } else if (code) {
           eval(decodeURIComponent(code).trim());
        } else {
            runExample('mobile');
        }
    }

    var _getURLParameters = getURLParameters(window.location.href),
            code = _getURLParameters.code,
            libs = _getURLParameters.libs;
        example = _getURLParameters.example;

    loadLib(libs)
        .then(function () {
            loadCode(code, example);
        })
})();