// ==UserScript==
// @name         steam史低价格显示&快速打开steamdb
// @namespace    http://tampermonkey.net/
// @version      0.7
// @namespace    akari
// @description  在steam软件页面自动显示史低价格。在steam页面对着一个商品按ctrl+右键，即可快速打开该商品的steamdb链接，用于查看其价格曲线等。
// @author       Pikaqian
// @match        https://store.steampowered.com/*
// @icon         https://store.steampowered.com/favicon.ico
// @grant        GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    let styleE = document.createElement('style'),button
    document.body.appendChild(styleE);
    styleE.textContent=`
    #price{
    color:#c1e0f7;
    font-size:20px;
    height:32px;
    width:40px;
    text-align:center;
    line-height:32px;
    opacity:.0;
    background: linear-gradient(to right, #3da2f1, #2561d1)
    }
    #button{
    height:16px;
    width:18px;
    border-bottom-right-radius:21px;
    border-top-right-radius:21px;
    color:#fff;
    padding:6px;
    opacity:.5;
    left:-22px;
    cursor:pointer;
    position:fixed;
    z-index:10;
    font-size:14px;
    top:38%;
    background:#fff;
    transition: 0.3s
    }`
    var match_bundle=/bundle\/\d{3,7}\//
    var match_app=/app\/\d{3,7}\//
    var match_sub=/sub\/\d{3,7}\//
    var page_url=window.location.href,img
    function openUrl(type,img){
        var page_substr=img.match(/\d{3,7}/)
        var last_id=page_substr[0]
        window.open("https://steamdb.info/"+type+"/"+last_id+"/")
        event.preventDefault()
    }
    function getA(event){
        var elemA=event.target
        for(var o=0;o<4;o++){
            if(event.target.localName=="a"){
                img=event.target.href
                break
            }
            else{
                elemA=elemA.parentNode
                if(elemA.localName=="a"){
                    img=elemA.href
                    break
                }
            }
        }
    }
    function checkImg(){
        var elemA=event.target
        if(elemA.className=="similar_recent_apps_container"||elemA.id=="recommended_block"){
            return true
        }
        else{
            for(var u=0;u<5;u++){
                elemA=elemA.parentNode
                if(elemA.className=="similar_recent_apps_container"||elemA.id=="recommended_block"){
                    return true
                }
            }
            return false
        }
    }
    function setCookie(cname,cvalue,exdays){
        var cookie_all=cname
        for(var i=0;i<20;i++){
            cookie_all=cookie_all+"1"
        }
        exdays=-1
        cookie_all=cname+"="+cvalue+"; "+exdays+";path=/"
        var d = new Date();
        d.setTime(d.getTime()+(exdays*24*60*60*1000));
        var expires = "expires="+d.toGMTString();
        document.cookie = cookie_all;
    }
    function getCookie(cname){
        var name = cname + "=";
        var ca = document.cookie.split(';');
        for(var i=0; i<ca.length; i++) {
            var c = ca[i].trim();
            if (c.indexOf(name)==0){
                return c.substring(name.length,c.length);
            }
        }
        return "";
    }
    function getelemt(findelement){
        //——————————————————————————
        var elem_1 = document.getElementsByTagName("svg");
        for(var h=0;h<elem_1.length;h++){
            var match_result=elem_1[h].id.match(findelement)
            if(match_result!=null){
                return elem_1[h]
                break
            }
        }
        //——————————————————————————
    }
    function addRightButton () {
        var color="#fff"
        if(getCookie("low")==1){
            color="#2a6fd8"
        }
        button = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        var path2 = document.createElementNS("http://www.w3.org/2000/svg", 'path');
        button.setAttribute("aria-hidden","true");
        button.setAttribute('viewbox', '0 0 24 24');
        button.setAttribute('width', '24px');
        button.setAttribute('height', '24px');
        //path2.setAttribute('d', 'M0 0 H 30 V 30 H 0 Z');
        path2.setAttribute('d','M 841.639 555.272 c 1.77544 -14.2014 3.10676 -28.626 3.10676 -43.2715 c 0 -14.6456 -1.33132 -29.0691 -3.10676 -43.2715 l 93.8658 -73.4499 c 8.43204 -6.65661 10.8737 -18.6395 5.32528 -28.4039 l -88.7616 -153.779 c -5.54734 -9.54233 -17.0872 -13.5363 -27.0726 -9.54233 l -110.509 44.6028 c -22.8566 -17.5303 -47.9317 -32.3979 -75.0032 -43.7156 L 622.841 86.8306 c -1.99749 -10.4295 -11.0957 -18.6395 -22.1904 -18.6395 l -177.523 0 c -11.0957 0 -20.1929 8.20999 -21.9683 18.6395 l -16.6431 117.61 c -27.0726 11.3167 -52.1477 25.9623 -75.0032 43.7156 l -110.508 -44.6028 c -9.98542 -3.77191 -21.5242 0 -27.0726 9.54233 l -88.7616 153.779 c -5.54734 9.54233 -3.10676 21.5242 5.32528 28.4039 l 93.6438 73.4499 c -1.77544 14.2014 -3.10676 28.626 -3.10676 43.2715 c 0 14.6456 1.33132 29.0691 3.10676 43.2715 l -93.6438 73.4499 c -8.43204 6.65661 -10.8737 18.6395 -5.32528 28.4039 l 88.7616 153.779 c 5.54734 9.54233 17.0861 13.5363 27.0726 9.54233 l 110.509 -44.6028 c 22.8566 17.5303 47.9317 32.3979 75.0032 43.7156 l 16.6431 117.61 c 1.77544 10.4295 10.8737 18.6395 21.9683 18.6395 l 177.523 0 c 11.0957 0 20.1929 -8.20999 21.9683 -18.6395 l 16.6431 -117.61 c 27.0726 -11.3167 52.1477 -25.9623 75.0032 -43.7156 l 110.508 44.6028 c 9.98542 3.77191 21.5252 0 27.0726 -9.54233 l 88.7616 -153.779 c 5.54734 -9.54233 3.10676 -21.5242 -5.32528 -28.4039 L 841.639 555.272 Z M 511.888 667.333 c -85.8769 0 -155.333 -69.4559 -155.333 -155.333 s 69.4559 -155.333 155.333 -155.333 c 85.8769 0 155.333 69.4559 155.333 155.333 S 597.765 667.333 511.888 667.333 Z')
        path2.style.transform="scale(0.016)"
        path2.setAttribute('fill', '#000');
        button.appendChild(path2);
        button.id = 'button';
        button.style.background=color
        document.body.appendChild(button);
    }
    addRightButton()
    button.addEventListener('mouseenter',()=>{
        var elem=getelemt("button")
        elem.style.transform="translateX(20px)"
    })
    button.addEventListener('mouseleave',()=>{
        var elem=getelemt("button")
        elem.style.transform="translateX(0px)"
    })
    button.addEventListener('click',()=>{
        if(getCookie("low")==""||getCookie("low")==0){
            setCookie("low","1",-1)
            document.getElementById("button").style.background="#2a6fd8"
        }
        else if(getCookie("low")==1){
            setCookie("low","0",-1)
            document.getElementById("button").style.background="#fff"
        }
    })
    if(getCookie("low")==1){
        if(page_url.match(/app\/\d{3,7}/)!=null){
            var newPrice_1=document.getElementsByClassName("game_purchase_action_bg")[0]
            var newPrice_2=document.getElementsByClassName("game_purchase_action_bg")[0].childNodes[0]
            var price
            var finalUrl=page_url.match(/app\/\d{3,7}/)[0]
            GM_xmlhttpRequest({
                method: "GET",
                url: "https://steamdb.info/"+finalUrl,
                headers:{
                    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Edg/91.0.864.59"
                },
                onload: function(res) {
                    if(res.status === 200){
                        console.log('成功')
                        var p=res.responseText
                        console.log(p)
                        var q=res.responseText.match("table-prices-current")
                        var a=p.split('data-cc="cn"')[p.split('data-cc="cn"').length-1]
                        var b=a.split('data-cc=')[0]
                        var r=res.responseText.substr(q.index,10)
                        var price=b.match(/\d{1,3}<\/td>/)[0].match(/\d{1,3}/)[0]
                        var price_len=price.length
                        console.log(price)
                        if(price!=undefined){
                            var oText=document.createElement("cookie_text");
                            oText.setAttribute("id","price");
                            oText.type="text";
                            var text1=document.createTextNode("￥"+price);
                            //oText.setAttribute('width',40+2*parseInt(price_len)+"px");
                            /*
                    var oo=document.getElementsByTagName("style")[0].innerText.replace(/width:40px/,"width:"+parseInt(parseInt(40)+parseInt(10*parseInt(price_len)))+"px")
                    document.getElementsByTagName("style")[0].childNodes[0].remove()
                    document.getElementsByTagName("style").appendChild(oo)
                    */
                            oText.appendChild(text1)
                            //newPrice.appendChild(oText)
                            newPrice_1.insertBefore(oText,newPrice_2);
                            oText.style.width=parseInt(parseInt(40)+parseInt(10*parseInt(price_len)))+"px"
                            oText.style.opacity="1"
                        }
                    }
                    else{
                        console.log('失败')
                        console.log(res)
                    }
                }
            })
        }
    }
    window.addEventListener('contextmenu',function (event){
        if(event.ctrlKey==true){
            if(page_url.match(match_bundle)!=null){
                openUrl("bundle",page_url)
            }
            else if(page_url.match(match_app)!=null){
                var count=0
                elemA=event.target
                if(checkImg()==true){
                    getA(event)
                    var page_substr=img.match(/\d{3,7}/)
                    var last_id=page_substr[0]
                    window.open("https://steamdb.info/app/"+last_id+"/")
                    event.preventDefault()
                }
                else{
                    openUrl("app",page_url)
                }
            }
            else if(page_url.match(match_sub)!=null){
                openUrl("sub",page_url)
            }
            else{
                var lala=event.target
                var elemA=event.target
                for(var i=0;i<10;i++){
                    if(event.target.localName=="a"){
                        img=event.target.href
                    }
                    else{
                        elemA=elemA.parentNode
                        if(elemA.localName=="a"){
                            img=elemA.href
                            break
                        }
                        else if(elemA.className=="wishlist_row"){
                            for(var m=0;m<elemA.parentNode.childNodes.length;m++){
                                if(elemA.childNodes[m].localName=="a"){
                                    img=elemA.childNodes[m].href
                                    var num=0
                                    break
                                }
                            }
                            if(num==0){
                                break
                            }
                        }
                    }
                }
                page_substr=img.match(/\d{3,7}/)
                last_id=page_substr[0]
                for(var k=0;k<img.split("/").length;k++){
                    if(img.split("/")[k]=="store.steampowered.com"){
                        var type=img.split("/")[k+1]
                        break
                    }
                }
                window.open("https://steamdb.info/"+type+"/"+last_id+"/")
                event.preventDefault()
            }
        }
    })
})();