Ghost Trade Helper

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

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==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();
})();