Trade Chat Timer on Button

Show a timer that shows the time left to post next message, synchronized across tabs.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         Trade Chat Timer on Button
// @namespace    http://tampermonkey.net/
// @version      2.3
// @description  Show a timer that shows the time left to post next message, synchronized across tabs.
// @match        https://www.torn.com/*
// ==/UserScript==

const STORAGE_KEY = "localStorage__Trade_Chat_Timer__Do_Not_Edit";
const timerChannel = new BroadcastChannel('tradeChatTimer');

function waitFor(selector, parent = document) {
    return new Promise(resolve => {
        const observer = new MutationObserver(mutations => {
            mutations.forEach(() => {
                const el = parent.querySelector(selector);
                if (el) {
                    observer.disconnect();
                    resolve(el);
                }
            });
        });
        observer.observe(parent, { childList: true, subtree: true });
    });
}

(async () => {
    const addStyle = () => {
        if (!document.head.querySelector("#trade-chat-timer-style")) {
            const style = document.createElement('style');
            style.id = "trade-chat-timer-style";
            style.textContent = `
                #chatRoot [class*="minimized-menu-item__"][title="Trade"] {
                    position: relative;
                }
                #chatRoot [class*="minimized-menu-item__"][title="Trade"] .timer-svg {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    pointer-events: none;
                }
            `;
            document.head.appendChild(style);
        }
    };

    addStyle();

    const tradeChatButton = await waitFor("#chatRoot [class*='minimized-menu-item__'][title='Trade']");
    let tradeChat = tradeChatButton?.className.includes("minimized-menu-item--open__") ? await getTradeChat() : null;

    let timerSvg = tradeChatButton?.querySelector('.timer-svg');
    if (tradeChatButton && !timerSvg) {
        timerSvg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        timerSvg.setAttribute("viewBox", "0 0 100 100");
        timerSvg.classList.add("timer-svg");
        timerSvg.innerHTML = '<rect x="5" y="5" width="90" height="90" stroke-width="10" fill="none" />';
        tradeChatButton.appendChild(timerSvg);
    }

    const timerRect = timerSvg?.querySelector('rect');

    let nextAllowedTime = new Date(localStorage.getItem(STORAGE_KEY) || Date.now());

    const updateTimerVisual = (timeLeft) => {
        const roundedTimeLeft = Math.round(timeLeft / 1000) * 1000; // Round to nearest second
        if (timerRect) {
            if (roundedTimeLeft > 0) {
                timerRect.setAttribute('stroke', 'red');
                timerRect.setAttribute('stroke-dasharray', '360');
                timerRect.setAttribute('stroke-dashoffset', 360 * (1 - roundedTimeLeft / 60000));
            } else {
                timerRect.setAttribute('stroke', 'green');
                timerRect.setAttribute('stroke-dasharray', 'none');
                timerRect.setAttribute('stroke-dashoffset', '0');
            }
        }
    };

    let timerInterval;
    const setTimer = () => {
        const now = new Date();
        const timeUntil = Math.max(nextAllowedTime - now, 0);
        updateTimerVisual(timeUntil);

        timerChannel.postMessage({ timeUntil });

        if (timeUntil === 0) {
            clearInterval(timerInterval);
        } else {
            requestAnimationFrame(setTimer);
        }
    };

    const resetTimer = () => {
        nextAllowedTime = new Date(Date.now() + 60000);
        localStorage.setItem(STORAGE_KEY, nextAllowedTime.toISOString());
        clearInterval(timerInterval);
        timerInterval = requestAnimationFrame(setTimer);

        timerChannel.postMessage({ reset: true, nextAllowedTime: nextAllowedTime.toISOString() });
    };

    timerChannel.onmessage = (event) => {
        if (event.data.timeUntil !== undefined) {
            updateTimerVisual(event.data.timeUntil);
        } else if (event.data.reset) {
            nextAllowedTime = new Date(event.data.nextAllowedTime);
            clearInterval(timerInterval);
            timerInterval = requestAnimationFrame(setTimer);
        }
    };

    async function checkForBlockMessage(chatBody) {
        const lastMessage = chatBody?.lastElementChild;
        return lastMessage && lastMessage.classList.contains("chat-box-body__block-message-wrapper___JjbKr") && lastMessage.textContent.includes("Trade chat allows one message per 60 seconds");
    }

    async function handleNewMessage(chat) {
        const chatBody = chat.querySelector("[class*='chat-box-body___']");
        return new Promise(resolve => {
            const observer = new MutationObserver(async (mutations) => {
                const mutation = mutations.find(mutation => mutation.addedNodes.length);
                if (!mutation) return;

                observer.disconnect();

                if (await checkForBlockMessage(chatBody)) {
                    resolve(false);
                } else {
                    resetTimer();
                    resolve(true);
                }
            });

            observer.observe(chatBody, { childList: true });
        });
    }

    function attachChatListeners(chat) {
        const textarea = chat.querySelector("textarea");
        if (textarea) {
            textarea.addEventListener("keyup", async e => {
                if (e.key === "Enter") {
                    await handleNewMessage(chat);
                }
            });
        }

        const sendButton = chat.querySelector("button.chat-box-footer__send-icon-wrapper___fGx9E");
        if (sendButton) {
            sendButton.addEventListener("click", async () => {
                await handleNewMessage(chat);
            });
        }
    }

    if (tradeChat) {
        attachChatListeners(tradeChat);
    }

    tradeChatButton?.addEventListener("click", async () => {
        if (!tradeChatButton.className.includes("minimized-menu-item--open__")) {
            tradeChat = await getTradeChat();
        }
        if (tradeChat) {
            attachChatListeners(tradeChat);
        }
    });

    setTimer(); // Initial timer setup
    timerInterval = requestAnimationFrame(setTimer);

    async function getTradeChat() {
        await waitFor("#chatRoot [class*='chat-box-header__']");
        return [...document.querySelectorAll("#chatRoot [class*='chat-box-header__']")].find(x => x.textContent === "Trade")?.closest("[class*='chat-box__']");
    }
})();