// ==UserScript==
// @name            GreasyFork/SleazyFork Star Rating Display & Bridge
// @name:de         GreasyFork/SleazyFork Sterne-Bewertungsanzeige & Brücke
// @name:en         GreasyFork/SleazyFork Star Rating Display & Bridge
// @name:fr         GreasyFork/SleazyFork Affichage der l'évaluation par étoiles & Pont
// @name:zh-CN      GreasyFork/SleazyFork 星级评分显示 & 桥接
//
// @description     Turns the visual 5nd green/yellow/red bar into a 0..5 star rating. For SleazyFork, it also redirects broken links to GreasyFork.
// @description:de  Verwandelt die visuelle 5-stufige grüne/gelbe/rote Leiste in eine 0..5-Sterne-Bewertung. Für SleazyFork werden zudem defekte Links automatisch auf GreasyFork umgeleitet.
// @description:en  Turns the visual 5-level green/yellow/red bar into a 0..5 star rating. For SleazyFork, it also redirects broken links to GreasyFork.
// @description:fr  Transforme la barre visuelle verte/jaune/rouge à 5 niveaux en une évaluation de 0 à 5 étoiles. Pour SleazyFork, il redirige également les liens rompus vers GreasyFork.
// @description:zh-CN 将视觉上的绿/黄/紅 5 级进度条转换为 0..5 星级评分。对于 SleazyFork，它还将损坏的链接重定向到 GreasyFork。
//
// @version         0.0.4
// @author          Wack.3gp (https://greasyfork.org/users/4792)
// @copyright       2026+, Wack.3gp
// @namespace       https://greasyfork.org/users/4792
// @license         CC BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/
// @icon            https://www.google.com/s2/favicons?sz=64&domain=greasyfork.org
//
// @match           https://greasyfork.org/*/scripts*
// @match           https://greasyfork.org/*/users/*
// @match           https://sleazyfork.org/*/scripts*
// @match           https://sleazyfork.org/*/users/*
//
// @grant           GM_xmlhttpRequest
// @connect         sleazyfork.org
// @run-at          document-end
//
// @supportURL      https://greasyfork.org/scripts/576222/feedback
// @compatible      Chrome tested with Tampermonkey
// @contributionURL https://www.paypal.com/donate/?hosted_button_id=BYW9D395KJWZ2
// @contributionAmount €1.00
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    const addStyles = function() {
        if (document.getElementById('star-rating-style')) return;
        const style = document.createElement('style');
        style.id = 'star-rating-style';
        style.textContent = `
            .script-list-ratings { 
                display: inline-block !important; 
                min-width: 130px; 
                vertical-align: middle; 
            }
            .rating-link {
                text-decoration: none !important;
                color: inherit !important;
                display: inline-flex !important;
                cursor: pointer !important;
                border: none !important;
                position: relative;
                z-index: 100;
            }
            .rating-box { 
                display: inline-flex; 
                align-items: center; 
                gap: 6px; 
                font-family: sans-serif;
            }
            .rating-num { 
                font-weight: bold; 
                color: #333; 
                font-size: 13px; 
            }
            .star-outer { 
                position: relative; 
                display: inline-block; 
                font-size: 16px; 
                color: #ddd; 
                letter-spacing: 1px;
            }
            .star-outer::before { content: '★★★★★'; }
            .star-inner { 
                position: absolute; 
                top: 0; left: 0; 
                white-space: nowrap; 
                overflow: hidden; 
                color: #f39c12; 
            }
            .star-inner::before { content: '★★★★★'; }
            .rating-total { 
                color: #888; 
                font-size: 12px; 
            }
            .rating-link:hover .rating-num { color: #f39c12; }
            .rating-link:hover .star-outer { filter: brightness(1.1); }
        `;
        document.head.appendChild(style);
    };

    const checkLinkBridge = function(container) {
        if (!window.location.hostname.includes('sleazyfork.org')) return;

        const scriptLink = container.querySelector('.script-link');
        if (!scriptLink || scriptLink.dataset.bridgeChecked) return;
        
        scriptLink.dataset.bridgeChecked = "true";

        GM_xmlhttpRequest({
            method: "HEAD",
            url: scriptLink.href,
            onload: function(response) {
                if (response.status === 404) {
                    const allLinks = container.querySelectorAll('a');
                    allLinks.forEach(a => {
                        const href = a.getAttribute('href');
                        if (href) {
                            if (href.startsWith('/')) {
                                a.href = "https://greasyfork.org" + href;
                            } else if (href.includes('sleazyfork.org')) {
                                a.href = href.replace('sleazyfork.org', 'greasyfork.org');
                            }
                        }
                    });
                }
            }
        });
    };

    const transformRatings = function() {
        const ratingContainers = document.querySelectorAll('.script-list-ratings');
        
        ratingContainers.forEach(function(el) {
            const parentLi = el.closest('li');
            
            if (parentLi) {
                checkLinkBridge(parentLi);
            }

            if (el.querySelector('.rating-box')) return;

            const goodEl = el.querySelector('.good-rating-count');
            const okEl = el.querySelector('.ok-rating-count');
            const badEl = el.querySelector('.bad-rating-count');

            if (!goodEl && !okEl && !badEl) return;

            let feedbackUrl = "";
            
            if (parentLi) {
                const allLinks = parentLi.querySelectorAll('a');
                for (let i = 0; i < allLinks.length; i++) {
                    const a = allLinks[i];
                    const match = a.href.match(/\/scripts\/(\d+)/);
                    if (match) {
                        const baseUrl = a.href.split('/scripts/')[0];
                        feedbackUrl = baseUrl + '/scripts/' + match[1] + '/feedback';
                        break; 
                    }
                }
            }

            if (!feedbackUrl) {
                const urlMatch = window.location.pathname.match(/\/scripts\/(\d+)/);
                if (urlMatch) {
                    const langPart = window.location.origin + window.location.pathname.split('/scripts/')[0];
                    feedbackUrl = langPart + '/scripts/' + urlMatch[1] + '/feedback';
                }
            }

            const good = parseInt(goodEl ? goodEl.textContent : 0) || 0;
            const ok = parseInt(okEl ? okEl.textContent : 0) || 0;
            const bad = parseInt(badEl ? badEl.textContent : 0) || 0;
            const total = good + ok + bad;

            const avg = total > 0 ? ((good * 5) + (ok * 3) + (bad * 1)) / total : 0;
            const percent = (avg / 5) * 100;

            if (!feedbackUrl) feedbackUrl = "#";

            el.innerHTML = '';
            const link = document.createElement('a');
            link.href = feedbackUrl;
            link.className = 'rating-link';
            link.title = 'Feedback (Avg: ' + avg.toFixed(2) + ')';
            link.innerHTML = `
                <div class="rating-box">
                    <span class="rating-num">${avg.toFixed(2)}</span>
                    <div class="star-outer">
                        <div class="star-inner" style="width: ${percent}%"></div>
                    </div>
                    <span class="rating-total">(${total.toLocaleString()})</span>
                </div>
            `;
            el.appendChild(link);
        });
    };

    addStyles();
    transformRatings();

    const observer = new MutationObserver(transformRatings);
    observer.observe(document.body, { childList: true, subtree: true });
})();