// ==UserScript==
// @name         Kour.io Zeph Menu
// @match        *://kour.io/*
// @version      1.0.4
// @author       Happyjeffery
// @icon         https://i.imgur.com/11sYWVM.png
// @description  Speed Hack, Set KP (Work In Progress) Invisibility
// @run-at       document-start
// @grant        unsafeWindow
// @namespace    https://greasyfork.org/users/1369586
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    /***************************************
     * Performance.now Speed Hack
     ***************************************/
    const originalPerfNow = performance.now.bind(performance);
    function updatePerformanceNow(multiplier) {
        if (multiplier === 1) {
            performance.now = originalPerfNow;
        } else {
            performance.now = new Proxy(originalPerfNow, {
                apply: function(target, thisArg, argArray) {
                    try {
                        throw new Error();
                    } catch (e) {
                        if (!e.stack.includes("invoke_")) {
                            return target.apply(thisArg, argArray) * multiplier;
                        }
                    }
                    return target.apply(thisArg, argArray);
                }
            });
        }
    }
    updatePerformanceNow(1);

    /***************************************
     * Invisibility WebSocket Hook
     ***************************************/
    const wsInstances = [];  // Store all open WebSocket instances.
    const OriginalWebSocket = unsafeWindow.WebSocket;
    function hookOnMessage(ws) {
        const originalAddEventListener = ws.addEventListener;
        ws.addEventListener = function(type, listener, options) {
            if (type === "message") {
                const wrappedListener = function(event) {
                    try {
                        if (event.data && typeof event.data !== "string") {
                            const data = new Uint8Array(event.data);
                            const hexString = Array.from(data)
                                .map(b => b.toString(16).padStart(2, '0'))
                                .join(" ");
                            const damageSignature = "f3 04 c8 02 f5 15 04";
                            if (hexString.startsWith(damageSignature) && kourInstance.config.Invisible) {
                                return; // Block this damage packet.
                            }
                        }
                    } catch (e) { }
                    listener.call(this, event);
                };
                return originalAddEventListener.call(this, type, wrappedListener, options);
            } else {
                return originalAddEventListener.call(this, type, listener, options);
            }
        };

        const descriptor = Object.getOwnPropertyDescriptor(Object.getPrototypeOf(ws), 'onmessage');
        Object.defineProperty(ws, 'onmessage', {
            set: function(fn) {
                const wrapped = function(event) {
                    try {
                        if (event.data && typeof event.data !== "string") {
                            const data = new Uint8Array(event.data);
                            const hexString = Array.from(data)
                                .map(b => b.toString(16).padStart(2, '0'))
                                .join(" ");
                            const damageSignature = "f3 04 c8 02 f5 15 04";
                            if (hexString.startsWith(damageSignature) && kourInstance.config.Invisible) {
                                return;
                            }
                        }
                    } catch (e) { }
                    fn(event);
                };
                descriptor.set.call(this, wrapped);
            },
            get: function() {
                return descriptor.get.call(this);
            }
        });
    }
    unsafeWindow.WebSocket = function(...args) {
        const ws = new OriginalWebSocket(...args);
        wsInstances.push(ws);
        hookOnMessage(ws);
        return ws;
    };
    unsafeWindow.WebSocket.prototype = OriginalWebSocket.prototype;


    class Kour {
        constructor() {
            this.config = {
                Invisible: true  
            };
        }
    }
    const kourInstance = new Kour();
    unsafeWindow.kourInstance = kourInstance;

    function setKP() {
        let kpValue = prompt("Enter KP value:", "35");
        if (!kpValue) return;
        const numKP = Number(kpValue);
        if (isNaN(numKP)) {
            console.error("Invalid KP value entered.");
            return;
        }
        if (typeof unityInstance !== 'undefined' && typeof unityInstance.SendMessage === 'function') {
            try {
                unityInstance.SendMessage('MainManager', 'OnReceivedIsAdmin', numKP);
                console.log(`[Zeph Menu] Sent KP value ${numKP} via SendMessage.`);
            } catch (e) {
                console.error("[Zeph Menu] SendMessage failed:", e);
            }
        } else {
            console.error("[Zeph Menu] unityInstance not found.");
        }
        unsafeWindow.kpValue = numKP;
    }

    function refreshWebSocketHandlers() {
        wsInstances.forEach(ws => {
            try {
                let current = ws.onmessage;
                ws.onmessage = current; 
            } catch (e) { /* ignore errors */ }
        });
    }

    function createUI() {
        const menu = document.createElement('div');
        menu.id = "zephMenu";
        Object.assign(menu.style, {
            position: "fixed",
            top: "50px",
            right: "50px",
            width: "250px",
            backgroundColor: "#5a2d72", 
            color: "#fff",
            padding: "15px",
            zIndex: "10000",
            fontFamily: "Arial, sans-serif",
            fontSize: "16px",
            borderRadius: "8px",
            boxShadow: "0 4px 8px rgba(0,0,0,0.2)",
            display: "none",
            transition: "all 0.3s ease-in-out"
        });

        const header = document.createElement("div");
        header.textContent = "Zeph Menu";
        header.style.textAlign = "center";
        header.style.fontWeight = "bold";
        header.style.fontSize = "20px";
        header.style.marginBottom = "15px";
        menu.appendChild(header);

        const adminBtn = document.createElement("button");
        adminBtn.textContent = "Set KP (Work in progress)";
        Object.assign(adminBtn.style, {
            width: "100%",
            margin: "8px 0",
            padding: "8px",
            cursor: "pointer",
            backgroundColor: "#9b3e9f",
            border: "none",
            borderRadius: "5px",
            fontSize: "14px",
            color: "#fff",
            transition: "background-color 0.3s",
        });
        adminBtn.addEventListener("click", setKP);
        adminBtn.addEventListener("mouseover", () => adminBtn.style.backgroundColor = "#a74cbf");
        adminBtn.addEventListener("mouseout", () => adminBtn.style.backgroundColor = "#9b3e9f");
        menu.appendChild(adminBtn);

        const speedContainer = document.createElement("div");
        speedContainer.style.margin = "15px 0";
        const speedLabel = document.createElement("label");
        speedLabel.textContent = "Speed Hack Multiplier: ";
        speedContainer.appendChild(speedLabel);
        const speedValue = document.createElement("span");
        speedValue.textContent = "1x";
        speedContainer.appendChild(speedValue);
        const speedSlider = document.createElement("input");
        speedSlider.type = "range";
        speedSlider.min = "1";
        speedSlider.max = "6"; // Maximum 6×
        speedSlider.step = "0.5";
        speedSlider.value = "1";
        speedSlider.style.width = "100%";
        speedSlider.addEventListener("input", function() {
            let multiplier = parseFloat(speedSlider.value);
            speedValue.textContent = multiplier.toFixed(1) + "x";
            updatePerformanceNow(multiplier);
        });
        speedContainer.appendChild(speedSlider);
        menu.appendChild(speedContainer);

        const invisContainer = document.createElement("div");
        const invisCheckbox = document.createElement("input");
        invisCheckbox.type = "checkbox";
        invisCheckbox.id = "invisToggle";
        invisCheckbox.checked = kourInstance.config.Invisible;
        invisCheckbox.addEventListener("change", function() {
            kourInstance.config.Invisible = this.checked;
            console.log("Invisibility set to " + this.checked);
            refreshWebSocketHandlers();
        });
        const invisLabel = document.createElement("label");
        invisLabel.htmlFor = "invisToggle";
        invisLabel.textContent = " Invisible";
        invisContainer.appendChild(invisCheckbox);
        invisContainer.appendChild(invisLabel);
        menu.appendChild(invisContainer);

        document.body.appendChild(menu);
    }

    document.addEventListener("keydown", function(e) {
        if (e.key === "o" && !e.target.matches("input, textarea")) {
            const menu = document.getElementById("zephMenu");
            if (menu) {
                menu.style.display = (menu.style.display === "none" ? "block" : "none");
            }
        }
    });

    window.addEventListener("load", createUI);
})();