Level Progress Estimation

Accurate level progress via HoF rank interpolation + XP/hour tracking
目前為 2026-05-24 提交的版本，檢視最新版本。
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// ==UserScript==
// @name Level Progress Estimation
// @namespace http://tampermonkey.net/
// @version 14.9
// @description Accurate level progress via HoF rank interpolation + XP/hour tracking
// @author Pint-Shot-Riot
// @match https://www.torn.com/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_xmlhttpRequest
// @connect api.torn.com
// @license MIT
// ==/UserScript==

(function () {
    "use strict";

    const STORAGE_KEY = "pda_level_visible";
    const VAL_KEY = "pda_last_lvl_val";
    const TIME_KEY = "pda_last_lvl_time";
    const OLD_VAL_KEY = "pda_prev_lvl_int";
    const HISTORY_KEY = "pda_lvl_history";

    let isVisible = localStorage.getItem(STORAGE_KEY)!== 'false';
    let lastKnownValue = localStorage.getItem(VAL_KEY) || "--";
    let lastUpdate = parseInt(localStorage.getItem(TIME_KEY) || "0");
    let history = JSON.parse(localStorage.getItem(HISTORY_KEY) || "[]");
    let showRate = false;
    let currentData = null;
    let injectTimeout = null;

    const styleSheet = document.createElement("style");
    styleSheet.innerText = `
.pda-lvl-status-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        cursor: pointer;
        font-size: 16px;
        opacity: 0.75;
        transition: opacity 0.15s, transform 0.15s;
        filter: grayscale(1);
    }
.pda-lvl-status-icon:hover { opacity: 1; transform: scale(1.15); }
.pda-lvl-active { filter: grayscale(0)!important; opacity: 1!important; }
    #acc-lvl-pill {
        display: inline-flex;
        align-items: center;
        background: #333;
        border: 1px solid #444;
        border-radius: 10px;
        padding: 2px 8px;
        margin: 0 4px;
        height: 22px;
        cursor: pointer;
        box-shadow: 0 1px 3px rgba(0,0,0,0.5);
        flex-shrink: 0;
        transition: background 0.2s;
        position: relative;
        -webkit-tap-highlight-color: transparent;
    }
    #acc-lvl-pill:active { background: #2a2a2a; }
.lvl-up-flash {
        background: #2d4a1d!important;
        box-shadow: 0 0 8px #85b200!important;
    }
.rank-up { color: #85b200!important; }
.rank-down { color: #ff4444!important; }
    `;
    document.head.appendChild(styleSheet);

    async function getApiKey() {
        let key = localStorage.getItem("APIKey") || await GM_getValue("torn_api_key", "");
        if (!key || key.length < 10) {
            key = prompt("Please enter your Torn API Key with 'hof' access:");
            if (key) {
                key = key.trim();
                localStorage.setItem("APIKey", key);
                await GM_setValue("torn_api_key", key);
            }
        }
        return key? key.trim() : null;
    }

    async function fetchTorn(url) {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                timeout: 10000,
                onload: (res) => {
                    try {
                        const data = JSON.parse(res.responseText);
                        if (data.error) reject(data.error.error);
                        else resolve(data);
                    } catch (e) { reject("JSON Parse Error"); }
                },
                onerror: () => reject("Network Error"),
                ontimeout: () => reject("Timeout")
            });
        });
    }

    function updateHistory(level, rank, fraction) {
        const now = Date.now();
        history.push({ level, rank, fraction, time: now });
        history = history.filter(h => now - h.time < 86400000);
        localStorage.setItem(HISTORY_KEY, JSON.stringify(history));
    }

    function calculateXPRate(currentLevel, currentFraction) {
        if (history.length < 2) return null;
        const sameLevel = history.filter(h => h.level === currentLevel);
        if (sameLevel.length < 2) return null;
        const oldest = sameLevel[0];
        const newest = sameLevel[sameLevel.length - 1];
        const timeHours = (newest.time - oldest.time) / 3600000;
        if (timeHours < 0.5) return null;
        const fractionGain = newest.fraction - oldest.fraction;
        const ratePerHour = fractionGain / timeHours;
        if (ratePerHour <= 0) return { rate: 0, eta: null };
        const remainingFraction = 1 - currentFraction;
        const hoursToLevel = remainingFraction / ratePerHour;
        return {
            rate: ratePerHour,
            eta: hoursToLevel
        };
    }

    function formatETA(hours) {
        if (!hours || hours <= 0) return "∞";
        if (hours < 1) return `${Math.round(hours * 60)}m`;
        if (hours < 24) return `${hours.toFixed(1)}h`;
        const days = Math.floor(hours / 24);
        const hrs = Math.round(hours % 24);
        return `${days}d ${hrs}h`;
    }

    async function getAccurateLevel() {
        const key = await getApiKey();
        if (!key) return null;
        try {
            const userHof = await fetchTorn(`https://api.torn.com/v2/user/hof?key=${key}`);
            const level = userHof.hof.level.value;
            const myRank = userHof.hof.level.rank;
            if (level >= 100) return { value: "100.00", confident: true, level, rank: myRank, fraction: 1 };
            const offset = Math.max(1, myRank - 500);
            const hofData = await fetchTorn(`https://api.torn.com/v2/torn/hof?limit=1000&offset=${offset}&cat=level&key=${key}`);
            const players = hofData.hof || [];
            const currentLevelPlayers = players.filter(p => p.level === level);
            if (currentLevelPlayers.length === 0) return { value: level.toFixed(2), confident: false, level, rank: myRank, fraction: 0 };
            const positions = currentLevelPlayers.map(p => p.position);
            const topOfLevel = Math.min(...positions);
            let bottomOfLevel = Math.max(...positions);
            const nextLevelPlayers = players.filter(p => p.level === level + 1);
            if (nextLevelPlayers.length > 0) {
                bottomOfLevel = Math.min(...nextLevelPlayers.map(p => p.position)) - 1;
            }
            const range = bottomOfLevel - topOfLevel + 1;
            if (range <= 1) return { value: level.toFixed(2), confident: false, level, rank: myRank, fraction: 0 };
            const distFromTop = myRank - topOfLevel;
            let fraction = distFromTop / range;
            fraction = Math.pow(fraction, 1.25);
            if (fraction <= 0) fraction = 0.01;
            if (fraction >= 1) fraction = 0.99;
            updateHistory(level, myRank, fraction);
            const confident = range >= 50;
            const value = (level + fraction).toFixed(2);
            return { value, confident, level, rank: myRank, fraction, range };
        } catch (e) {
            console.error("[PDA Level] Calc error:", e);
            return null;
        }
    }

    function syncUI() {
        const pill = document.getElementById('acc-lvl-pill');
        const icon = document.getElementById('pda-lvl-status-btn');
        if (pill) pill.style.display = isVisible? 'inline-flex' : 'none';
        if (icon) isVisible? icon.classList.add('pda-lvl-active') : icon.classList.remove('pda-lvl-active');
    }

    function flashLevelUp() {
        const pill = document.getElementById('acc-lvl-pill');
        if (!pill) return;
        pill.classList.add('lvl-up-flash');
        setTimeout(() => pill.classList.remove('lvl-up-flash'), 3000);
    }

    function updatePillDisplay() {
        const valSpan = document.getElementById('acc-lvl-val');
        if (!valSpan ||!currentData) return;

        if (showRate) {
            const xpRate = calculateXPRate(currentData.level, currentData.fraction);
            if (xpRate && xpRate.rate > 0) {
                valSpan.textContent = `+${(xpRate.rate * 100).toFixed(2)}%/h`;
            } else {
                valSpan.textContent = "No rate yet";
            }
        } else {
            valSpan.textContent = (currentData.confident? "" : "~") + currentData.value;
        }
    }

    function updateUI(data) {
        if (data) currentData = data;
        const oldLevelInt = parseInt(localStorage.getItem(OLD_VAL_KEY) || "0");
        let tooltip = "Tap to toggle level/rate";
        let deltaIndicator = "";

        if (data && data.value!== "--") {
            const newLevelInt = Math.floor(parseFloat(data.value));
            if (oldLevelInt && newLevelInt > oldLevelInt) flashLevelUp();

            if (history.length >= 2) {
                const prev = history[history.length - 2];
                if (prev.level === data.level) {
                    const rankDelta = prev.rank - data.rank;
                    if (rankDelta > 0) deltaIndicator = ` <span class="rank-up">↑${rankDelta}</span>`;
                    else if (rankDelta < 0) deltaIndicator = ` <span class="rank-down">↓${Math.abs(rankDelta)}</span>`;
                }
            }

            const xpRate = calculateXPRate(data.level, data.fraction);
            if (xpRate && xpRate.rate > 0) {
                tooltip = `Level ${data.value} | +${(xpRate.rate * 100).toFixed(2)}%/hr | ETA ${formatETA(xpRate.eta)}\nTap to toggle`;
            } else {
                tooltip = `Level ${data.value} | Range: ${data.range} players | Need 2+ hours for rate\nTap to toggle`;
            }

            lastKnownValue = (data.confident? "" : "~") + data.value;
            localStorage.setItem(VAL_KEY, lastKnownValue);
            localStorage.setItem(OLD_VAL_KEY, newLevelInt.toString());
            localStorage.setItem(TIME_KEY, Date.now().toString());
        }

        const deltaSpan = document.getElementById('acc-lvl-delta');
        const pill = document.getElementById('acc-lvl-pill');
        if (deltaSpan) deltaSpan.innerHTML = deltaIndicator;
        if (pill) pill.title = tooltip;
        updatePillDisplay();
        syncUI();
    }

    function injectPill() {
        // Remove any duplicates first
        document.querySelectorAll('#acc-lvl-pill').forEach((el, i) => {
            if (i > 0) el.remove();
        });

        if (document.getElementById('acc-lvl-pill')) return;

        const header = document.querySelector('#header-root') || document.querySelector('.header-wrapper');
        const tray = header?.querySelector('[class*="right_"]') || header?.querySelector('[class*="header-buttons"]');
        if (!tray) return;

        const newPill = document.createElement('div');
        newPill.id = 'acc-lvl-pill';
        newPill.innerHTML = `<span style="color: #85b200; font-size: 10px; font-weight: bold; margin-right: 4px; font-family: sans-serif;">LV</span>
                             <span id="acc-lvl-val" style="color: #fff; font-size: 11px; font-family: 'Courier New', monospace; font-weight: bold;">${lastKnownValue}</span>
                             <span id="acc-lvl-delta" style="font-size: 9px; margin-left: 3px;"></span>`;
        tray.prepend(newPill);

        const statusUl = document.querySelector('ul[class*="status-icons"]');
        if (statusUl &&!document.getElementById('pda-lvl-status-btn')) {
            const li = document.createElement('li');
            li.style.display = "inline-flex";
            const a = document.createElement('a');
            a.id = 'pda-lvl-status-btn';
            a.className = 'pda-lvl-status-icon';
            a.title = 'Toggle Level Progress';
            a.innerHTML = '📈';
            li.appendChild(a);
            statusUl.appendChild(li);
        }
    }

    async function refresh() {
        const data = await getAccurateLevel();
        if (data) updateUI(data);
    }

    function scheduleNextRefresh() {
        const now = new Date();
        const nextHour = new Date(now);
        nextHour.setUTCHours(now.getUTCHours() + 1, 0, 10, 0);
        const msUntil = nextHour - now;
        setTimeout(async () => {
            await refresh();
            scheduleNextRefresh();
        }, msUntil);
    }

    // Event delegation - survives redraws
    document.addEventListener('click', function(e) {
        const pill = e.target.closest('#acc-lvl-pill');
        if (pill) {
            e.preventDefault();
            e.stopImmediatePropagation();
            showRate =!showRate;
            updatePillDisplay();
            return false;
        }
        const icon = e.target.closest('#pda-lvl-status-btn');
        if (icon) {
            e.preventDefault();
            e.stopImmediatePropagation();
            isVisible =!isVisible;
            localStorage.setItem(STORAGE_KEY, isVisible);
            syncUI();
            return false;
        }
    }, true);

    function init() {
        injectPill();
        refresh();
        scheduleNextRefresh();
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }

    // Debounced observer - only inject if pill is actually missing
    const observer = new MutationObserver(() => {
        clearTimeout(injectTimeout);
        injectTimeout = setTimeout(() => {
            if (!document.getElementById('acc-lvl-pill')) {
                injectPill();
                updateUI(currentData);
            }
        }, 100);
    });
    const target = document.querySelector('#header-root') || document.body;
    observer.observe(target, { subtree: true, childList: true });
})();