(function() {
    'use strict';
    function httpReq(url, callBack) {
        let xHttp = new XMLHttpRequest();
        xHttp.onreadystatechange = function () {
            if(this.readyState === 4 && this.status === 200) {
                callBack(xHttp.responseText);
            }
        };
        xHttp.open("Get", url, true);
        xHttp.send();
    }

    //
    (function injectCookie() {
        if(window.localStorage && window.localStorage.getItem("window.bsource") !== "wechat") {
            window.localStorage.setItem("window.bsource", "wechat");
        }
        if(document.cookie.indexOf("wechat") === -1) {
            document.cookie = "bsource=wechat";
        }
    })();

    let lastRelateUrl = "";
    let relateVideoInterVal;
    let ownerInterval;
    let relateEndVideoInterval;

    setInterval(function () {
        let relateUrl = "";
        let url = document.location.href.split("/");
        let vid = url[url.length - 1];
        if(vid.indexOf("av") !== -1) {
            relateUrl = "https://api.bilibili.com/x/web-interface/archive/related?from=h5&aid=" + /\d+/g.exec(vid)[0] + "&context=";
        } else {
            relateUrl = "https://api.bilibili.com/x/web-interface/archive/related?bvid=" + vid;
        }
        if(relateUrl.length > 0 && relateUrl !== lastRelateUrl) {
            lastRelateUrl = relateUrl;
            clearInterval(relateVideoInterVal);
            clearInterval(ownerInterval);
            clearInterval(relateEndVideoInterval);
            httpReq(relateUrl, function (res) {
                let data = JSON.parse(res).data;
                let tidMap = {};
                for(let i = 0; i < data.length; ++i) {
                    if(tidMap.hasOwnProperty(data[i].tid)) {
                        tidMap[data[i].tid] += 1;
                    } else {
                        tidMap[data[i].tid] = 1;
                    }
                }
                //
                relateVideoInterVal = setInterval(function() {
                    let nodes = document.getElementsByClassName("v-card-toapp");
                    if (nodes !== undefined) {
                        for(let i = 0; i < nodes.length; ++i) {
                            nodes[i].getElementsByClassName('title')[0].innerHTML="<p><a href=\""
                                + data[i].bvid + "\" style=\"color:blue\">" + data[i].title + "</a></p>";
                        }
                    }
                }, 500);
                //
                ownerInterval = setInterval(function() {
                    let nodeList = ["m-video-openapp", "openapp", "m-video2-openapp", "m-video2-float-openapp", "open-app-btn m-nav-openapp",
                                    "m-related-openapp report-scroll-module", "open-app-btn m-video-main-openapp visible-open-app-btn"];
                    let appList = ["v-card-toapp"];
                    for(let i = 0; i < appList.length; ++i) {
                        let app = document.getElementsByClassName(appList[i]);
                        for(let j = 0; j < app.length; ++j) {
                            let ownerNameApp = app[j].getElementsByClassName('open-app');
                            if(ownerNameApp && ownerNameApp.length > 0) {
                                ownerNameApp[0].innerText = data[j].owner.name;
                            }
                        }
                        if (app && app.length > 0) {
                            app.onclick = function() { return false };
                            for(let k = 0; k < nodeList.length; ++k) {
                                if(document.getElementsByClassName(nodeList[k]).length > 0) {
                                    document.getElementsByClassName(nodeList[k])[0].remove();
                                }
                            }
                        }
                    }
                }, 500);
                //
                relateEndVideoInterval = setInterval(function() {
                    let relateVideo = document.getElementsByClassName("player-mobile-ending-panel-title");
                    let app = document.getElementsByClassName("player-mobile-ending-panel-button");
                    if(relateVideo !== undefined && relateVideo.length > 0) {
                        for(let i = 0; i < data.length; ++i) {
                            if(relateVideo[0].textContent === data[i].title) {
                                relateVideo[0].innerHTML="<p><a href=\"" + data[i].bvid + "\" style=\"color:blue\">" + data[i].title + "</a></p>";
                                if(app !== undefined && app.length > 0) {
                                    app[0].innerText = data[i].owner.name;
                                }
                            }
                        }
                    }
                }, 500);
            })
        }
    }, 500);
})();