// ==UserScript==
// @name         浏览器功能包
// @namespace    http://tampermonkey.net/
// @version      0.1.4
// @description  修改浏览器的一些配置，使脚本可以作弊
// @author       Tenfond
// @include      *
// @grant        none
// @license      MIT
// @run-at       document-start
// @downloadURL none
// ==/UserScript==

(function () {
    // event 可信任事件
    (function () {
        function tamper(event) {
            event = {
                "isTrusted": true,
                "altitudeAngle": event["altitudeAngle"],
                "azimuthAngle": event["azimuthAngle"],
                "getCoalescedEvents": function getCoalescedEvents() {
                    return event["getCoalescedEvents"].apply(event, arguments);
                },
                "getPredictedEvents": function getPredictedEvents() {
                    return event["getPredictedEvents"].apply(event, arguments);
                },
                "height": event["height"],
                "isPrimary": event["isPrimary"],
                "pointerId": event["pointerId"],
                "pointerType": event["pointerType"],
                "pressure": event["pressure"],
                "tangentialPressure": event["tangentialPressure"],
                "tiltX": event["tiltX"],
                "tiltY": event["tiltY"],
                "twist": event["twist"],
                "width": event["width"],
                "constructor": event["constructor"],
                "__proto__": event["__proto__"],
                "altKey": event["altKey"],
                "bubbles": event["bubbles"],
                "button": event["button"],
                "buttons": event["buttons"],
                "cancelBubble": event["cancelBubble"],
                "cancelable": event["cancelable"],
                "clientX": event["clientX"],
                "clientY": event["clientY"],
                "composed": event["composed"],
                "ctrlKey": event["ctrlKey"],
                "currentTarget": event["currentTarget"],
                "defaultPrevented": event["defaultPrevented"],
                "detail": event["detail"],
                "eventPhase": event["eventPhase"],
                "fromElement": event["fromElement"],
                "layerX": event["layerX"],
                "layerY": event["layerY"],
                "metaKey": event["metaKey"],
                "movementX": event["movementX"],
                "movementY": event["movementY"],
                "offsetX": event["offsetX"],
                "offsetY": event["offsetY"],
                "pageX": event["pageX"],
                "pageY": event["pageY"],
                "path": event["path"],
                "relatedTarget": event["relatedTarget"],
                "returnValue": event["returnValue"],
                "screenX": event["screenX"],
                "screenY": event["screenY"],
                "shiftKey": event["shiftKey"],
                "sourceCapabilities": event["sourceCapabilities"],
                "srcElement": event["srcElement"],
                "target": event["target"],
                "timeStamp": event["timeStamp"],
                "toElement": event["toElement"],
                "type": event["type"],
                "view": event["view"],
                "which": event["which"],
                "x": event["x"],
                "y": event["y"]
            }
            return event;
        }

        try {
            const addEventListener = EventTarget.prototype.addEventListener;
            Object.defineProperty(EventTarget.prototype, "addEventListener", {
                value: function (type, callback, options = false) {
                    return addEventListener.apply(this, [type, function (event) {
                        callback(event.constructor.name === "PointerEvent" ? tamper(event) : event);
                    }, options]);
                },
                writable: false,
                enumerable: true,
                configurable: false
            });
        } catch (e) {
            console.error(e.message);
        }
    })();

    // 定义 location.hashCode 获取 href的hash值
    (function () {
        try {
            Object.defineProperty(location, "hashCode", {
                enumerable: true,
                configurable: false,
                get: function () {
                    let code = 0;
                    for (const v of location.href) {
                        code += (code << 7) + v.charCodeAt(0);
                    }
                    // 返回值在 JavaScript 中的取值范围 [-2147483648,4294967294]
                    return code;
                }
            });
        } catch (e) {
            console.error(e.message);
        }
        let hashCode = location.hashCode, onchange = null;
        try {
            Object.defineProperty(location, "onchange", {
                enumerable: true,
                configurable: false,
                get: function () {
                    return onchange;
                },
                set: function (handler) {
                    if (typeof handler === "function" || Boolean(handler) === false) {
                        onchange = handler;
                    } else {
                        console.error("Uncaught (in onchange) TypeError: " + handler + " is not a function.")
                    }
                }
            });
            setInterval(function () {
                if (hashCode !== location.hashCode) {
                    hashCode = location.hashCode;
                    if (typeof onchange === "function") onchange();
                }
            }, 500);
        } catch (e) {
            console.error(e.message);
        }
    })();

    window.searchToJSON = function searchToJSON(search) {
        if (search) {
            return JSON.parse("{\"" + decodeURIComponent(search.substring(1)
                .replace(new RegExp("\"", "g"), '\\"')
                .replace(new RegExp("&", "g"), '","')
                .replace(new RegExp("=", "g"), '":"')) + "\"}");
        } else {
            return null;
        }
    }

    window.hrefToLocation = function hrefToLocation(href) {
        let location = {href: href}, c = 0, start = 0, port, search;
        for (let i = 0; i < href.length; i++) {
            if (href[i] === "/") {
                if (++c === 1) {
                    location.protocol = href.substring(start, i);
                } else if (c === 3) {
                    location.host = href.substring(start, i);
                    location.origin = href.substring(0, i);
                    if (port) {
                        location.port = href.substring(port, i);
                    } else {
                        location.hostname = location.host;
                        location.port = "";
                    }
                }
                if (c <= 3) {
                    start = i + 1;
                }
            } else if (href[i] === ":" && c === 2) {
                location.hostname = href.substring(start + 1, i);
                port = i + 1;
            } else if (href[i] === "?" && !search) {
                location.pathname = href.substring(start, i);
                search = i;
            } else if (href[i] === "#" && !location.hash) {
                location.hash = href.substring(i);
                if (search) {
                    location.search = href.substring(search, i);
                } else {
                    location.search = "";
                    location.pathname = href.substring(c, i);
                }
                break;
            }
        }
        if (typeof location.host === "undefined") {
            if (c < 2) {
                location.host = location.hostname = location.port = location.origin = "";
            } else if (c === 2) {
                location.host = href.substring(start);
                location.origin = href;
                if (typeof location.hostname === "undefined") {
                    location.hostname = location.host;
                    location.port = "";
                } else {
                    location.port = href.substring(port);
                }
            }
            location.pathname = location.hash = "";
        } else if (typeof location.pathname === "undefined") {
            location.pathname = href.substring(start);
            location.search = location.hash = "";
        } else if (typeof location.search === "undefined") {
            if (search) {
                location.search = href.substring(search);
            } else {
                location.search = "";
            }
            location.hash = "";
        } else if (typeof location.hash === "undefined") {
            location.hash = "";
        }
        return location;
    }

    window.xmlHttpRequest = function xmlHttpRequest(handler = {}) {
        function xhrToArgs(xhr) {
            if (xhr.constructor.name === "XMLHttpRequest") return {
                // "onabort": xhr["onabort"],
                // "onerror": xhr["onerror"],
                // "onload": xhr["onload"],
                // "onloadend": xhr["onloadend"],
                // "onloadstart": xhr["onloadstart"],
                // "onprogress": xhr["onprogress"],
                // "onreadystatechange": xhr["onreadystatechange"],
                // "ontimeout": xhr["ontimeout"],
                "abort": function () {
                    return xhr["abort"]();
                },
                "finalUrl": xhr["responseURL"],
                "responseHeaders": (function () {
                    const headers = {};
                    xhr["getAllResponseHeaders"]().split("\r\n").forEach(function (header) {
                        header = header.split(": ");
                        headers[header[0]] = header[1];
                    });
                    return headers;
                })(),
                "getResponseHeader": function (name) {
                    return xhr["getResponseHeader"](name);
                },
                "overrideMimeType": function (mime) {
                    return xhr["overrideMimeType"](mime);
                },
                "responseType": xhr["responseType"],
                "response": xhr["response"],
                "responseText": (function () {
                    try {
                        return xhr["responseText"];
                    } catch (e) {
                        console.error(e.message);
                        return e;
                    }
                })(),
                "responseXML": (function () {
                    try {
                        return xhr["responseXML"];
                    } catch (e) {
                        console.error(e.message);
                        return e;
                    }
                })(),
                "readyState": xhr["readyState"],
                "status": xhr["status"],
                "statusText": xhr["statusText"],
                "timeout": xhr["timeout"],
                // "upload": xhr["upload"],
                // "withCredentials": xhr["withCredentials"]
            }; else return xhr.constructor.name;
        }

        if (typeof handler === "string") handler = {url: handler};
        const request = new XMLHttpRequest();
        if (handler.onreadystatechange) request.onreadystatechange = function (event) {
            return handler.onreadystatechange(xhrToArgs(request), event);
        };
        request.open(handler.method ? handler.method.toUpperCase() : "GET", handler.url ? handler.url : location.href, handler.async ? handler.async : true, handler.user ? handler.user : null, handler.password ? handler.password : null);
        if (handler.headers) for (let header in handler.headers) request.setRequestHeader(header, handler.headers[header]);
        if (handler.onabort) request.onabort = function (event) {
            return handler.onabort(xhrToArgs(request), event);
        };
        if (handler.onerror) request.onerror = function (event) {
            return handler.onerror(xhrToArgs(request), event);
        };
        if (handler.onload) request.onload = function (event) {
            return handler.onload(xhrToArgs(request), event);
        };
        if (handler.onloadend) request.onloadend = function (event) {
            return handler.onloadend(xhrToArgs(request), event);
        };
        if (handler.onloadstart) request.onloadstart = function (event) {
            return handler.onloadstart(xhrToArgs(request), event);
        };
        if (handler.onprogress) request.onprogress = function (event) {
            return handler.onprogress(xhrToArgs(request), event);
        };
        if (handler.ontimeout) request.ontimeout = function (event) {
            return handler.ontimeout(xhrToArgs(request), event);
        };
        if (handler.responseType) request.responseType = handler.responseType;
        if (handler.overrideMimeType) request.setRequestHeader("Content-Type", handler.overrideMimeType);
        if (handler.data) {
            request.send(JSON.stringify(handler.data));
        } else {
            request.send();
        }
        return request;
    }

    window.ready = function ready(handler, readyState = "interactive") {
        // "loading": 表示文档还在加载中，即处于“正在加载”状态。
        // "interactive": 文档已经结束了“正在加载”状态，DOM 元素可以被访问。但是像图像，样式表和框架等资源依然还在加载。
        // "complete": 页面所有内容都已被完全加载。
        let intervalId = setInterval(function (states = ["loading", "interactive", "complete"]) {
            if (states.indexOf(document.readyState.toLowerCase()) >= states.indexOf(readyState.toLowerCase())) {
                clearInterval(intervalId);
                if (typeof handler === "function") {
                    handler();
                } else {
                    console.error("Uncaught (in ready) TypeError: " + handler + " is not a function.");
                }
            }
        });
    }
})();