// ==UserScript==
// @name         Jellyfin External Player (PotPlayer)
// @namespace    http://dreamlife.top:13000/
// @version      1.0
// @description  在 Jellyfin 详情页中添加 PotPlayer 按钮，调用外部potplayer播放器来播放视频文件。
// @author       MengNan Zhang
// @match        *://*/web/*
// @grant        none
// @run-at       document-end
// @downloadURL  http://dreamlife.top:13000/Cx330/DreamLife_JellyfinExternalPlayer/src/branch/main/Jellyfin External Player (PotPlayer).DreamLife.js
// @updateURL    http://dreamlife.top:13000/Cx330/DreamLife_JellyfinExternalPlayer/src/branch/main/Jellyfin External Player (PotPlayer).DreamLife.js
// ==/UserScript==

(function () {
    'use strict';

    // 获取 Jellyfin API 客户端
    function getApiClient() {
        return window.ApiClient || window.ConnectionManager?.currentApiClient();
    }

    // 获取播放链接
    async function getPlayUrl(itemId) {
        const api = getApiClient();
        if (!api) return null;

        const baseUrl = api._serverAddress || api._serverInfo?.PublicAddress;
        const token = api.accessToken();
        if (!baseUrl || !token) return null;

        return `${baseUrl}/Videos/${itemId}/stream?static=true&api_key=${token}`;
    }

    // 添加 PotPlayer 按钮
    function addPotPlayerButton(playButton) {
        const container = playButton.parentElement;
        if (!container || container.querySelector(".external-player-btn")) return;

        const btn = document.createElement("button");
        btn.className = "detailButton external-player-btn";
        btn.style.marginLeft = "8px";
        btn.style.background = "transparent";
        btn.style.border = "none";
        btn.style.cursor = "pointer";

        const img = document.createElement("img");
        img.src = "https://pc3.gtimg.com/softmgr/logo/48/519_48_1492137107.png"; // PotPlayer logo
        img.alt = "PotPlayer";
        img.style.width = "26px";
        img.style.height = "26px";

        btn.appendChild(img);

        btn.onclick = async () => {
            const id = location.href.match(/id=([^&]+)/)?.[1];
            if (!id) return alert("未获取到视频 ID");
            const url = await getPlayUrl(id);
            if (url) location.href = `potplayer://${url}`;
        };

        container.appendChild(btn);
    }

    // 监听页面变化
    const observer = new MutationObserver(() => {
        document.querySelectorAll(".mainDetailButtons .btnPlay").forEach((btn) => {
            addPotPlayerButton(btn);
        });
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();