JavDB to JavTrailers

JavDB 跳转 JavTrailers; From JavDB jump to JavTrailers.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

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

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

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

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name         JavDB to JavTrailers
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  JavDB 跳转 JavTrailers; From JavDB jump to JavTrailers.
// @author       Phoebe
// @match        https://javdb.com/*
// @match        https://javtrailers.com/video/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // --- JavTrailers 自动重定向逻辑---
    // 如 SNOS-001,依次尝试 snos00001, 1snos00001, 118snos00001,如果都不行则进入搜索页
    if (location.hostname === 'javtrailers.com') {
        if (document.title.includes('Page not found') || document.title.includes('404')) {
            const currentUrl = location.href;
            const pathParts = location.pathname.split('/');
            let vid = pathParts[pathParts.length - 1];

            if (!vid) return;

            console.log('JavTrailers 404 detected for:', vid);

            const retryKey = 'javtrailers_retry_chain';
            const retryChain = JSON.parse(sessionStorage.getItem(retryKey) || '[]');
            if (!retryChain.includes(vid)) {
                retryChain.push(vid);
                sessionStorage.setItem(retryKey, JSON.stringify(retryChain));
            }

            let newVid = null;
            let attempt = 0;

            // 判断当前是第几次尝试
            if (vid.match(/^[a-z]+\d{5}$/i)) {
                attempt = 1;   // snos00001
                newVid = '1' + vid;
            }
            else if (vid.startsWith('1') && vid.match(/^1[a-z]+\d{5}$/i)) {
                attempt = 2;   // 1snos00001
                const withoutOne = vid.substring(1);
                newVid = '118' + withoutOne;   // 118snos00001
            }
            else if (vid.startsWith('118') && vid.match(/^118[a-z]+\d{5}$/i)) {
                attempt = 3;   // 118snos00001
            }

            if (newVid && attempt < 3 && !retryChain.includes(newVid)) {
                // 第1、2、3次重试
                const newUrl = currentUrl.replace('/' + vid, '/' + newVid);
                console.log(`Retry ${attempt}/3: ${vid} → ${newVid}`);
                location.replace(newUrl);
            }
            else {
                // 三次都失败 → 跳转搜索页

                const searchMatch = vid.replace(/^\d+/, '').match(/^([a-z]+)0*(\d+)$/i);
                let searchId = searchMatch
                    ? `${searchMatch[1].toLowerCase()}-${searchMatch[2].padStart(3, '0')}`
                    : vid.replace(/^\d+/, '').replace(/(\d+)$/, '-$1');

                const searchUrl = `https://javtrailers.com/search/${searchId}`;
                console.log(`All 3 attempts failed. Jumping to search: ${searchUrl}`);
                sessionStorage.removeItem(retryKey);
                location.replace(searchUrl);
            }
        } else {
            sessionStorage.removeItem('javtrailers_retry_chain');
        }
        return;
    }

    // --- JavDB 页面按钮插入逻辑---
    function formatId(rawId) {
        const match = rawId.match(/^([A-Za-z]+)-?(\d+)$/);
        if (match) {
            const prefix = match[1].toLowerCase();
            const number = match[2].padStart(5, '0');
            return prefix + number;
        }
        return rawId.replace('-', '').toLowerCase().trim();
    }

    function createJumpButton(id, isMini = false) {
        const formattedId = formatId(id);
        const url = `https://javtrailers.com/video/${formattedId}`;

        let btn;
        if (isMini) {
            btn = document.createElement('span');
            btn.innerHTML = '🎬 预告片';
            btn.style.cssText = 'margin-left:8px; padding:0 4px; font-size:11px; background-color:#3e8ed0; color:#fff; border-radius:3px; cursor:pointer; display:inline-block; vertical-align:middle;';
            btn.addEventListener('click', (e) => {
                e.preventDefault();
                e.stopPropagation();
                window.open(url, '_blank');
            });
        } else {
            btn = document.createElement('a');
            btn.href = url;
            btn.target = '_blank';
            btn.className = 'button is-info is-outlined is-small';
            btn.innerHTML = `<span class="icon is-small"><i class="icon-play-circle"></i></span><span>預告片</span>`;
            btn.style.marginLeft = '5px';
            btn.style.height = '2.25em';
        }
        return btn;
    }

    function handlePage() {
        // 详情页
        if (window.location.pathname.startsWith('/v/')) {
            const labels = document.querySelectorAll('strong');
            for (const label of labels) {
                if ((label.innerText.includes('番號') || label.innerText.includes('ID'))&& !label.dataset.jumpAdded) {
                    const parent = label.parentElement;
                    const valueSpan = parent.querySelector('.value');
                    const copyBtn = parent.querySelector('.copy-to-clipboard');
                    if (valueSpan) {
                        const id = valueSpan.innerText.trim();
                        (copyBtn || valueSpan).after(createJumpButton(id, false));
                        label.dataset.jumpAdded = "true";
                    }
                    break;
                }
            }
        }

        // 列表页
        const items = document.querySelectorAll('.item');
        items.forEach(item => {
            const scoreEl = item.querySelector('.score');
            const idEl = item.querySelector('.video-title strong');
            if (scoreEl && idEl && !scoreEl.dataset.jumpAdded) {
                const id = idEl.innerText.trim();
                scoreEl.appendChild(createJumpButton(id, true));
                scoreEl.dataset.jumpAdded = "true";
            }
        });
    }

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

})();