// ==UserScript==
// @name           osu! my download
// @description    ous beatmap download from mirror.osu beatmap镜像站下载。支持的镜像站点：bloodcat.com、inso.link、osu.uu.gl、osu.sayobot.cn。
// @author         dazzulay
// @copyright      2014+, dazzulay
// @version        2.2.4
// @icon           http://osu.ppy.sh/favicon.ico
// @include        http*://osu.ppy.sh/*
// @grant          none
// @namespace      https://greasyfork.org/scripts/3916
// @homepageURL    https://greasyfork.org/scripts/3916
// @downloadURL none
// ==/UserScript==

(function () {
    var domain = document.domain;
    var drive = domain.replace(/\./g, '_');

    function myJQueryCode() {
        function osu_my_downoad() {
            var self = this;
            this.mirros = {
                bloodcat: {
                    url: 'http://bloodcat.com/osu/m/{bmid}',
                    class: 'my_orange',
                    text: 'DOWNLOAD BLOODCAT',
                    target: '_blank'
                },
                /*
				 2017-07-16 挂了
				 mengsky: {
				 url: 'http://osu.mengsky.net/?bmid={bmid}',
				 url2: 'http://osu.mengsky.net/api/download/{bmid}', // 无法直接跳转，限制了
				 class: 'my_green',
				 text: 'DOWNLOAD MENGSKY',
				 target: '_blank'
				 },
				 */
                insolink: {
                    url: 'http://inso.link/?source=osu_my_download&m={bmid}',
                    class: 'my_pink',
                    text: 'DOWNLOAD INSO.LINK',
                    target: '_blank'
                },
                osu_uu_gl: {
                    url: 'http://osu.uu.gl/s/{bmid}',
                    class: 'my_purpule',
                    text: 'DOWNLOAD OSU.UU.GL',
                    target: '_blank'
                },
                sayobot: {
                    url: 'https://osu.sayobot.cn/osu.php?s={bmid}',
                    class: 'my_green',
                    text: 'DOWNLOAD SAYOBOT',
                    target: '_blank'
                }
            };
            this.mirros_parse = function (bmid, mirro, param) {
                var _param = 'url';
                if (param) {
                    _param = param;
                }
                if (typeof self.mirros[mirro] !== "undefined") {
                    self.mirros[mirro][_param] = str_render(self.mirros[mirro][_param], {bmid: bmid});
                } else {
                    $.each(self.mirros, function (k, v) {
                        self.mirros[k][_param] = str_render(v[_param], {bmid: bmid});
                    });
                }
            };
            this.drives = {
                osu_ppy_sh: function () {
                    var is_new = $('.osu-layout').length;

                    if (is_new) {
                        // css样式 设置
                        $('head').append(`
<style>
.my_container .btn-osu-big__text-top {
white-space: normal;
}

.my_container a:before {
content: " ";
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
border-radius: 4px;
}

.my_orange:before {
background-color: rgba(255,141,0,.5)
}

.my_green:before {
background-color: rgba(0,101,0,.5)
}

.my_pink:before {
background-color: rgba(255, 102, 170,.5)
}

.my_purpule:before {
background-color: rgba(169, 10, 165,0.5);
}
</style>
`);

                        var beatmapset_page = '.js-react--beatmapset-page';


                        var ready = function (event) {
                            var _timer = setInterval(function () {
                                var $bp = $(beatmapset_page);
                                if ($bp.length == 0) {
                                    clearInterval(_timer);
                                    return;
                                }
                                if ($bp.attr('data-react-turbolinks-loaded') == 1) {
                                    loaded();
                                    clearInterval(_timer);
                                }
                            }, 200);

                            function loaded(){
                                if($('.my_container').length > 0){
                                    return;
                                }
                                // 获取beatmapid
                                var bmsrc = $('.js-audio--play').attr('data-audio-url');
                                if (!bmsrc) {
                                    return false;
                                }
                                var bmid = bmsrc.substring(bmsrc.lastIndexOf("/") + 1, bmsrc.lastIndexOf("."));

                                // 设置url
                                self.mirros_parse(bmid);

                                // 添加按钮
                                var $container = $('<div class="beatmapset-header__buttons my_container"></div>');
                                var btn_tpl = '<a href="{url}" class="btn-osu-big btn-osu-big--beatmapset-header {class}"  target="{target}"><div class="btn-osu-big__content"><div class="btn-osu-big__left"><span class="btn-osu-big__text-top">{text}</span></div><div class="btn-osu-big__icon"><span class="fa fa-download"></span></div></div></a>';
                                $.each(self.mirros, function (k, v) {
                                    $container.append(str_render(btn_tpl, self.mirros[k]));
                                });
                                $('.beatmapset-header__box--main').append($container);
                            }
                        };


                        document.addEventListener('turbolinks:load',ready);

                        ready();

                    } else {
                        // 获取beatmapid
                        var bmsrc = $('.bmt').attr('src');
                        if (!bmsrc) {
                            return false;
                        }
                        var bmid = bmsrc.substring(bmsrc.indexOf("thumb/") + 6, bmsrc.lastIndexOf("l"));

                        // css样式 设置
                        $('head').append(`
<style>
.my_container {
position: fixed;
top: 20px;
right: 0px;
}

.my_btn {
text-align: center;
width: 150px;
height: 111px;
display: table-cell;
vertical-align: middle;
margin: 0 0 10px 0;
padding: 10px;
font-family: Haettenschweiler,Impact,"Arial Grande",Tahoma,Helvetica,Arial,sans-serif;
font-size: 32px;
font-weight: normal;
color: #fff;
border: 4px solid #fff;
border-radius: 6px;
}

.my_btn:hover {
text-shadow: 0 0 20px floralwhite;
color: #fff;
}

.my_btn span {
display: inline-block;
vertical-align: middle;
text-align: center
}

.my_orange {
background: linear-gradient(to bottom,darkorange,wheat,darkorange);
}

.my_blue {
background: linear-gradient(to bottom,darkblue,lightblue,darkblue);
}

.my_green {
background: linear-gradient(to bottom,darkgreen,lightgreen,darkgreen);
}

.my_pink {
background: linear-gradient(to bottom,HotPink,pink,HotPink);
}
.my_purpule {
background: linear-gradient(to bottom,#261326,#E064E0,#261326);
}
</style>
`);


                        // 设置url
                        self.mirros_parse(bmid);

                        // 添加按钮
                        var $container = $('<div class="my_container"></div>');
                        var btn_tpl = '<a class="my_btn {class}" href="{url}" target="{target}"><span>{text}</span></a><br/>';
                        $.each(self.mirros, function (k, v) {
                            $container.append(str_render(btn_tpl, self.mirros[k]));
                        });
                        $('body').append($container);
                    }
                }
            };
            this.init = function () {
                var domain = document.domain;
                var drive = domain.replace(/\./g, '_');
                self.drives[drive]();
            };
            self.init();
        }

        osu_my_downoad();
    }

    if (typeof jQuery == 'undefined') {
        var headTag = document.getElementsByTagName("head")[0];
        var jqTag = document.createElement('script');
        jqTag.type = 'text/javascript';
        jqTag.src = '//code.jquery.com/jquery-1.8.3.min.js';
        jqTag.onload = myJQueryCode;
        headTag.appendChild(jqTag);
    } else {
        myJQueryCode();
    }

    function str_render(template, context) {

        var tokenReg = /(\\)?\{([^\{\}\\]+)(\\)?\}/g;

        return template.replace(tokenReg, function (word, slash1, token, slash2) {
            if (slash1 || slash2) {
                return word.replace('\\', '');
            }

            var variables = token.replace(/\s/g, '').split('.');
            var currentObject = context;
            var i, length, variable;

            for (i = 0, length = variables.length; i < length; ++i) {
                variable = variables[i];
                currentObject = currentObject[variable];
                if (currentObject === undefined || currentObject === null) return '';
            }
            return currentObject;
        });
    }

    function getUrlParameter(sParam) {
        var sPageURL = decodeURIComponent(window.location.search.substring(1)),
            sURLVariables = sPageURL.split('&'),
            sParameterName,
            i;

        for (i = 0; i < sURLVariables.length; i++) {
            sParameterName = sURLVariables[i].split('=');

            if (sParameterName[0] === sParam) {
                return sParameterName[1] === undefined ? true : sParameterName[1];
            }
        }
    }
})();