// ==UserScript==
// @name         南工在线转码助手
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  Display cookies, video ID, and manage transcoding queue from online.njtech.edu.cn
// @author       千纸鹤也要飞啊
// @match        *://online.njtech.edu.cn/video/*
// @grant        GM_addStyle
// @downloadURL none
// ==/UserScript==

(function () {
  "use strict";

  GM_addStyle(`
        #cookie-display {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 10px;
            border: 3px solid #ccc;
            border-radius: 10px;
            background-color: var(--global-background);
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            z-index: 9999;
            font-size: 12px;
            max-width: 300px;
            word-break: break-all;
            cursor: grab; /* 添加抓取光标 */
        }
        #cookie-display.dragging {
            cursor: grabbing; /* 添加拖动光标 */
        }
        #cookie-display-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
        }
        #cookie-display-content {
            margin-top: 5px;
            text-size:16px;
        }
        .close-button {
            cursor: pointer;
            padding: 0 5px;
        }
        .queue-button, .show-queue-button, .start-transcoding-button {
            padding: 5px 8px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            flex: 1;
            margin: 0 5px;
        }
        .queue-button:hover, .show-queue-button:hover, .start-transcoding-button:hover {
            background-color: #45a049;
        }
        .start-transcoding-button {
            background-color: #FFD700;
        }
        .start-transcoding-button:hover {
            background-color: #FFC107;
        }
        .danger-button {
            padding: 10px;
            background-color: red;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            margin-top: 10px;
            width: calc(100%);
        }
        .danger-button:hover {
            background-color: darkred;
        }
    `);

  function createFloatingWindow() {
    const title = document.createElement("span");
    title.textContent = "转码助手";

    const closeButton = document.createElement("span");
    closeButton.textContent = "×";
    closeButton.className = "close-button";
    closeButton.onclick = () => (div.style.display = "none");

    const div = document.createElement("div");
    div.id = "cookie-display";

    const header = document.createElement("div");
    header.id = "cookie-display-header";

    const content = document.createElement("div");
    content.id = "cookie-display-content";

    const queueButton = document.createElement("button");
    queueButton.textContent = "添加到转码队列";
    queueButton.className = "queue-button";
    queueButton.onclick = addToTranscodeQueue;

    const showQueueButton = document.createElement("button");
    showQueueButton.textContent = "展示待转码队列";
    showQueueButton.className = "show-queue-button";
    showQueueButton.onclick = showTranscodingQueue;

    const startTranscodingButton = document.createElement("button");
    startTranscodingButton.textContent = "开始转码队列";
    startTranscodingButton.className = "start-transcoding-button";
    startTranscodingButton.onclick = startTranscodingQueue;

    const buttonContainer = document.createElement("div");
    buttonContainer.style.display = "flex";
    buttonContainer.appendChild(queueButton);
    buttonContainer.appendChild(showQueueButton);
    buttonContainer.appendChild(startTranscodingButton);

    const dangerButton = document.createElement("button");
    dangerButton.textContent = "一键转码所有未转码的视频(危险)";
    dangerButton.className = "danger-button";
    dangerButton.onclick = startTranscodingAll;

    header.appendChild(title);
    header.appendChild(closeButton);
    div.appendChild(header);
    div.appendChild(content);
    div.appendChild(buttonContainer);
    div.appendChild(dangerButton);

    // 添加拖动逻辑
    let isDragging = false;
    let offsetX = 0;
    let offsetY = 0;

    header.onmousedown = function (e) {
      isDragging = true;
      div.classList.add("dragging");
      offsetX = e.clientX - div.offsetLeft;
      offsetY = e.clientY - div.offsetTop;
    };

    document.onmousemove = function (e) {
      if (isDragging) {
        div.style.left = `${e.clientX - offsetX}px`;
        div.style.top = `${e.clientY - offsetY}px`;
      }
    };

    document.onmouseup = function () {
      if (isDragging) {
        isDragging = false;
        div.classList.remove("dragging");
      }
    };

    return div;
  }

  function getCookie(name) {
    const match = document.cookie.match(
      new RegExp("(^| )" + name + "=([^;]+)")
    );
    return match ? match[2] : null;
  }

  function getVideoID() {
    const urlParams = new URLSearchParams(window.location.search);
    return urlParams.get("id") || "未找到";
  }

  function updateDisplay() {
    const content = document.getElementById("cookie-display-content");
    const onlineToken = getCookie("online_token") || "未找到";
    const csrfToken = getCookie("csrfToken") || "未找到";
    const videoID = getVideoID();

    content.innerHTML = `
            <strong>online_token:</strong> ${onlineToken}<br>
            <strong>csrfToken:</strong> ${csrfToken}<br>
            <strong>视频ID:</strong> ${videoID}
        `;
  }

  async function addToTranscodeQueue() {
    const onlineToken = getCookie("online_token");
    const videoID = getVideoID();

    if (!onlineToken || videoID === "未找到") {
      alert("未找到在线令牌或视频ID，请检查！");
      return;
    }

    const url =
      "https://online.njtech.edu.cn/api/v2/automation/media_transcoder/work_queue/items";
    const options = {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        Accept: "application/problem+json",
        Authorization: `Bearer ${onlineToken}`,
      },
      body: JSON.stringify({
        episodes: [],
        seasons: [],
        videos: [videoID],
      }),
    };

    try {
      const response = await fetch(url, options);
      if (response.status === 204) {
        alert("成功添加到转码队列!");
      } else if (response.status === 500) {
        alert("已在队列中!");
      } else {
        const errorData = await response.json();
        console.error(errorData);
        alert("添加到转码队列失败，查看控制台获取详细错误信息。");
      }
    } catch (error) {
      console.error(error);
      alert("发生错误，查看控制台获取详细错误信息。");
    }
  }

  async function showTranscodingQueue() {
    const onlineToken = getCookie("online_token");

    if (!onlineToken) {
      alert("未找到在线令牌，请检查！");
      return;
    }

    const url =
      "https://online.njtech.edu.cn/api/v2/automation/media_transcoder/work_queue";
    const options = {
      method: "GET",
      headers: {
        Accept: "application/json, application/problem+json",
        Authorization: `Bearer ${onlineToken}`,
      },
    };

    try {
      const response = await fetch(url, options);
      const data = await response.json();

      const queueItems = data.queue;
      const dialogContent = document.createElement("div");
      if (queueItems.length === 0) {
        dialogContent.innerHTML = "待转码队列: 暂无待转码项。";
      } else {
        dialogContent.innerHTML = "待转码队列：";
        queueItems.forEach((item, index) => {
          dialogContent.innerHTML += `${index + 1}. ${item}<br>`;
        });
      }

      alert(dialogContent.innerHTML);
    } catch (error) {
      console.error(error);
      alert("获取待转码队列失败，查看控制台获取详细错误信息。");
    }
  }

  async function startTranscodingQueue() {
    alert("转码已开始");

    const url =
      "https://online.njtech.edu.cn/api/v2/automation/media_transcoder/transcoding";
    const options = {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        Accept: "application/problem+json",
        Authorization: "Bearer onlinetoken",
      },
      body: undefined,
    };

    try {
      const response = await fetch(url, options);
      const data = await response.json();
      console.log(data);
    } catch (error) {
      console.error(error);
    }
  }

  async function startTranscodingAll() {
    alert("开始转码所有未转码的视频，操作危险！");

    const url = 'https://online.njtech.edu.cn/api/v2/automation/media_transcoder/COMPOSCAN_TRANSCODING';
    const options = {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        Accept: 'application/problem+json',
        Authorization: 'Bearer ' + getCookie("online_token")
      },
      body: undefined
    };

    try {
      const response = await fetch(url, options);
      const data = await response.json();
      console.log(data);
    } catch (error) {
      console.error(error);
    }
  }

  function init() {
    const floatingWindow = createFloatingWindow();
    document.body.appendChild(floatingWindow);
    updateDisplay();
    setInterval(updateDisplay, 5000);
  }

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