Ghost Trade Helper

Adds subtraction buttons for quick money adjustments within trades on Torn.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Ghost Trade Helper
// @namespace    GreasyDiddy
// @version      1.1
// @description  Adds subtraction buttons for quick money adjustments within trades on Torn.
// @license      MIT
// @author       GreasyDiddy[3455236]
// @match        https://www.torn.com/trade.php*
// @grant        none
// ==/UserScript==

(() => {
    'use strict';

    const normalizeInput = (str) => {
        let cleaned = str.toLowerCase().replace(/,/g, '').trim();
        const units = { k: 1e3, m: 1e6, b: 1e9 };
        const unit = cleaned.slice(-1);
        const multiplier = units[unit] || 1;
        if (units[unit]) cleaned = cleaned.slice(0, -1);
        const num = parseFloat(cleaned);
        return isNaN(num) || num <= 0 ? null : Math.floor(num * multiplier);
    };

    const locateMoneyFields = () => {
        const inputs = document.querySelectorAll(".user-id.input-money");
        return inputs.length === 2 ? [...inputs] : [null, null];
    };

    const updateMoney = (diff, isSet = false) => {
        const [visible, hidden] = locateMoneyFields();
        if (!visible || !hidden) return;
        const current = parseInt(hidden.value) || 0;
        const result = Math.max(0, isSet ? diff : current + diff);
        visible.value = result;
        visible.dispatchEvent(new Event("input", { bubbles: true }));
    };

    const fabricateButton = (label, action) => {
        const btn = document.createElement("input");
        btn.type = "button";
        btn.value = label;
        btn.className = "torn-btn";
        btn.addEventListener("click", action);
        return btn;
    };

    const buildPresetButtons = (container) => {
        container.appendChild(fabricateButton("-1m", () => updateMoney(-1000000)));
        container.appendChild(fabricateButton("-5m", () => updateMoney(-5000000)));
        container.appendChild(fabricateButton("-10m", () => updateMoney(-10000000)));
    };

    const buildCustomButton = (container) => {
        const customBtn = fabricateButton("Custom", () => {
            const userVal = prompt("Enter amount to subtract:");
            const parsed = normalizeInput(userVal || "");
            parsed !== null ? updateMoney(-parsed) : alert("Invalid amount.");
        });
        container.appendChild(customBtn);
    };

    const buildPasteButton = (container) => {
        const pasteBtn = fabricateButton("Paste", async () => {
            try {
                const raw = await navigator.clipboard.readText();
                const clean = raw.replace(/[, $]/g, "");
                const parsed = normalizeInput(clean);
                parsed !== null
                    ? updateMoney(-parsed)
                    : alert("Clipboard doesn't contain a valid amount.");
            } catch (e) {
                console.error("Clipboard error:", e);
                alert("Clipboard access failed. Paste manually.");
            }
        });
        container.appendChild(pasteBtn);
    };

    const injectControls = () => {
        const inputGroup = document.querySelector("div.input-money-group");
        if (!inputGroup) return;

        const refButton = document.querySelector("span.btn-wrap.silver");
        if (!refButton) return;

        const btnWrapper = document.createElement("div");
        const clonedSpacer = refButton.previousElementSibling?.cloneNode();
        if (clonedSpacer) btnWrapper.appendChild(clonedSpacer);

        buildPresetButtons(btnWrapper);
        buildCustomButton(btnWrapper);
        buildPasteButton(btnWrapper);

        inputGroup.parentNode.insertBefore(btnWrapper, inputGroup.nextSibling);
    };

    const watchTradePage = () => {
        if (!window.location.href.includes("trade.php#step=addmoney")) return;

        clearInterval(window.GhostTradeWatch);
        window.GhostTradeWatch = setInterval(() => {
            const moneyFieldExists = document.querySelector(".user-id.input-money");
            const tooFewInputs = document.querySelectorAll("ul.inputs > li > div").length < 3;

            if (moneyFieldExists && tooFewInputs) {
                clearInterval(window.GhostTradeWatch);
                injectControls();
            }
        }, 100);
    };

    window.addEventListener("hashchange", watchTradePage);
    watchTradePage();
})();