// ==UserScript==
// @name                Steam、Epic历史价格查询
// @name:zh-TW          Steam、Epic歷史價格查詢
// @name:en             Steam and Epic Historical Price Lookup
// @name:ja             Steam and Epic Historical Price Lookup
// @name:ko             Steam and Epic Historical Price Lookup
// @name:ru             Steam and Epic Historical Price Lookup
// @description         跳转到SteamDB、EpicGamesDB，兼容via和x浏览器
// @description:zh-TW   跳轉到 SteamDB、EpicGamesDB，兼容via和x瀏覽器
// @description:en      Navigate to SteamDB, EpicGamesDB, compatible with Via and X browsers
// @description:ja      Navigate to SteamDB, EpicGamesDB, compatible with Via and X browsers
// @description:ko      Navigate to SteamDB, EpicGamesDB, compatible with Via and X browsers
// @description:ru      Navigate to SteamDB, EpicGamesDB, compatible with Via and X browsers
// @author       shopkeeperV
// @namespace    https://greasyfork.org/zh-CN/users/150069
// @version      1.1.4
// @run-at       document-end
// @match        https://store.steampowered.com/*
// @match        https://store.epicgames.com/*
// ==/UserScript==
(function () {
'use strict';
let host = location.host;
let path = location.pathname;
let db_url;
if (/steampowered/.test(host)) {
let page_type;
let title_eles;
let page_id = path.match(/\/([0-9]*?)\//i)[1];
if (/app/.test(path)) {
title_eles = document.getElementsByClassName("apphub_AppName");
let wrappers = document.getElementsByClassName("game_area_purchase_game_wrapper");
page_type = "app";
//@run-at声明在各浏览器中表现不一致，所以为了兼容麻烦得要死
let wait = function () {
if (title_eles.length > 0 && wrappers.length > 0) {
for (let wrapper of wrappers) {
let item_type;
let item_id;
let form = wrapper.getElementsByTagName("form")[0];
let inputs = form.getElementsByTagName("input");
for (let input of inputs) {
if (/subid|bundleid/.test(input.name)) {
if (/subid/.test(input.name)) {
item_type = "sub";
} else if (/bundleid/.test(input.name)) {
item_type = "bundle";
}
item_id = input.value;
break;
}
}
db_url = "https://steamdb.info/" + item_type + "/" + item_id + "/#pricehistory";
wrapper.getElementsByTagName("h1")[0].appendChild(createASpan(db_url));
}
set();
} else {
setTimeout(wait, 500);
}
}
wait();
} else {
title_eles = document.getElementsByClassName("pageheader");
if (/sub/.test(path)) {
page_type = "sub";
} else if (/bundle/.test(path)) {
page_type = "bundle";
} else return;
let wait = function () {
if (title_eles.length > 0) {
set();
} else {
setTimeout(wait, 500);
}
}
wait();
}
function set() {
for (let title_ele of title_eles) {
db_url = "https://steamdb.info/" + page_type + "/" + page_id + "/#pricehistory";
title_ele.appendChild(createASpan(db_url));
}
}
}
if (/epicgames/.test(host)) {
//跳过年龄验证
document.cookie = `HasAcceptedAgeGates=Generic%3A18;path=/`;
let loop_times = 0;
handler();
//onurlchange兼容性不佳
const originalPushState = history.pushState;
const originalReplaceState = history.replaceState;
//popstate事件监听不到，可以拦截相应方法达到同样的效果
history.pushState = function (state) {
originalPushState.apply(history, arguments);
console.log("Epic历史价格查询：监听到地址变化。pushState()调用。");
handler();
};
//此方法只是备用，epic并不是用这个
history.replaceState = function (state) {
originalReplaceState.apply(history, arguments);
console.log("Epic历史价格查询：监听到地址变化，replaceState()调用。");
handler();
};
function handler() {
if (loop_times >= 60) {
loop_times = 0;
console.log("Epic历史价格查询：取消循环。");
return;
}
if (/\/p\//.test(location.pathname)) {
console.log("Epic历史价格查询：正在获取页面id...");
let ele1 = document.getElementById("_schemaOrgMarkup-Product");
let ele2 = document.getElementById("btn_age_continue");
if (ele1 && !ele2 && !ele1.getAttribute("price_db")) {
ele1.setAttribute("price_db", "price_db");
loop_times = 0;
console.log("Epic历史价格查询：已添加查询按钮。");
let content = ele1.textContent;
let id = content.match(/"sku":"([^"]*):([^"]*)"/)[2];
db_url = "https://epicgamesdb.info/p/" + id + "/" + location.pathname.split("/").pop();
document.getElementsByTagName("h1")[0].appendChild(createASpan(db_url));
} else {
loop_times++;
setTimeout(handler, 500);
}
}
}
}
function createASpan(url) {
let span = document.createElement("span");
span.setAttribute("class", "history_price");
span.textContent = "查价";
span.style.cssText = "display:inline-block;margin-left:10px;color:yellow;cursor:pointer;";
span.onclick = (e) => {
window.open(url);
};
return span;
}
})();