/**
 * 侧边栏管理类
 */
class SidebarManager {
  /**
   * @constant {Object} 配置常量
   */
  static CONFIG = {
    SIDEBAR_ID: "paiwise-sidebar",
    WRAPPER_ID: "paiwise-main-wrapper",
    STORAGE_KEY: "sidebarOpen",
  };

  constructor() {
    this.sidebarId = SidebarManager.CONFIG.SIDEBAR_ID;
    this.wrapperId = SidebarManager.CONFIG.WRAPPER_ID;
    this.isOpen = false;
    this.currentUrl = window.location.href;
    this.currentTitle = document.title;
    this.init();
  }

  /**
   * 初始化侧边栏
   */
  async init() {
    
    try {
      await this.checkAndRestoreState();
      this.setupEventListeners();
    } catch (error) {
      console.error("Sidebar initialization failed:", error);
    }
  }

  /**
   * 设置事件监听器
   */
  setupEventListeners() {
    // 监听页面加载完成事件
    window.addEventListener("load", () => this.checkAndRestoreState());

    // 监听来自 sidebar 的消息
    window.addEventListener("message", this.handleMessage.bind(this));

    // 监听窗口大小变化
    window.addEventListener(
      "resize",
      Utils.debounce(() => this.handleResize(), 100)
    );

    // 监听页面可见性变化
    document.addEventListener("visibilitychange", () => {
      if (!document.hidden) {
        this.checkAndRestoreState();
      }
    });

    // 监听 history 变化
    window.addEventListener("popstate", () => {
      this.checkAndRestoreState();
    });

    // 监听标题变化
    const titleObserver = new MutationObserver(() => {
      if (document.title !== this.currentTitle) {
        this.currentTitle = document.title;
        this.updatePageInfo();
      }
    });

    titleObserver.observe(
      document.querySelector("head > title") || document.head,
      {
        subtree: true,
        characterData: true,
        childList: true,
      }
    );

    const simulateUserInput = async (element, value) => {
      // 设置值
      // if (element.tagName.toLowerCase() === 'textarea') {
      //   element.focus()
      //   element.value = value
      //   element.blur()
      //   return
      // }
      element.value = value;

      // 创建并触发 input 事件
      const inputEvent = new Event('input', { bubbles: true });
      element.dispatchEvent(inputEvent);

      // 创建并触发 change 事件
      const changeEvent = new Event('change', { bubbles: true });
      element.dispatchEvent(changeEvent);
 
      // 可选：如果表单使用了 React/Vue 等框架，可能还需要触发以下事件
      element.dispatchEvent(new Event('blur'));
      element.dispatchEvent(new KeyboardEvent('keyup', { key: 'Enter' }));
    }
    const findLabelForInput = (label) => {
      let p = label.parentElement
      for (let i = 0; i < 10; i++) {
        const input = p.getElementsByTagName('input')
        if (input.length > 0) {
          return input[0]
        }
        p = p.parentElement
      }
      return null
    }
    const findLabelForSpan = (label) => {
      let p = label.parentElement
      for (let i = 0; i < 10; i++) {
        const span = p.getElementsByTagName('span')
        if (span.length > 0) {
          return [...span]
        }
        p = p.parentElement
      }
      return null
    }
    // 监听页面 URL 变化
    new MutationObserver(() => {
      const url = location.href;
      if (url !== this.currentUrl) {
        this.currentUrl = url;
        this.updatePageInfo();
        this.checkAndRestoreState();
      }
    }).observe(document, { subtree: true, childList: true });

    const handleFillInput = async (data, index) => {
      for (let i = 0; i < data.length; i++) {
        const item = data[i]
        if (item.findBy === 'id') {
          const input = formChildren.find(child => child.id === item.findByValue)
          if (item.type === 'text' || item.type === 'textarea' || item.type === 'number') {
            if (!input) {
              if (item.label) {
                const label = [...form.getElementsByTagName('label')].find(label => label.innerText.includes(item.label))
                if (label) {
                  const input = findLabelForInput(label)
                  if (input) {
                    await simulateUserInput(input, excelDataA[item.excelColumn][index])
                  }
                }
              }
            }
            if (input) {
              await simulateUserInput(input, excelDataA[item.excelColumn][index])
            }
          }
          if (item.type === 'radio' || item.type === 'checkbox') {
            if (item.label) {
              const label = [...form.getElementsByTagName('label')].find(label => label.innerText.includes(item.label))
              if (label) {
                const span = findLabelForSpan(label)
                span.forEach(span => {
                  span.innerText === excelDataA[item.excelColumn][index] && span.click()
                })
              }
            }
          }
          
          if (item.type === 'date') {
            formatDate
            const input = formChildren.find(child => child.id === item.findByValue)
            if (excelDataA[item.excelColumn][index]) {
              await simulateCompleteUserAction(input, input, formatDate(excelDataA[item.excelColumn][index]), formatDate(excelDataA[item.excelColumn][index]))
            }
          }
        } else if (item.findBy === 'placeholder') {
          const input = formChildren.find(child => child.placeholder === item.findByValue)
          if (input) {
            simulateUserInput(input, excelDataA[item.excelColumn][index])
          }
        }
      }
    }
    let form = null
    let formChildren = []
    let excelDataA = []
    // 监听来自sidebar的消息
    window.addEventListener("message", async (event) => {
      if (event.data.type === "COPY_TO_CLIPBOARD") {
        try {
          await navigator.clipboard.writeText(event.data.text);
          // 可选：发送成功消息回sidebar
          event.source.postMessage(
            {
              type: "COPY_SUCCESS",
            },
            "*"
          );
        } catch (err) {
          console.error("Failed to copy text:", err);
          // 可选：发送失败消息回sidebar
          event.source.postMessage(
            {
              type: "COPY_ERROR",
              error: err.message,
            },
            "*"
          );
        }
      }
      if (event.data.type === "HANDLE_FILL_INPUT") {
        const { formData, excelData } = event.data.data
        excelDataA = excelData
        console.log(formChildren, excelDataA);
        await handleFillInput(formData, 0)
      }
    });

    // 监听来自iframe的消息
    window.addEventListener("message", (event) => {
      // 确保消息来自我们的iframe
      if (
        event.source ===
        document.getElementById("paiwise-sidebar")?.contentWindow
      ) {
        if (event.data.type === "FILL_INPUT") {
          event.source.postMessage(
            {
              type: "GE_T",
              pageInfo: pageInfo,
            },
            "*"
          );
        }
        if (event.data.type === "ANALYZE_PAGE") {
          form = document.querySelectorAll("form")[0];
          formChildren = [...form.elements]
          // 分析页面并返回结果
          const pageInfo = window.pageAnalyzer.analyzePage();

          // 发送分析结果回iframe
          event.source.postMessage(
            {
              type: "PAGE_ANALYSIS_RESULT",
              pageInfo: form.outerHTML,
            },
            "*"
          );
        }
      }
    });
  }
  handleUserName(input) {
    return input.placeholder.includes('账号') || input.placeholder.includes('用户名')
  }
  /**
   * 处理接收到的消息
   * @param {MessageEvent} event
   */
  handleMessage(event) {
    if (event.data.action === "closeSidebar") {
      this.removeSidebar();
    }
  }

  /**
   * 处理窗口大小变化
   */
  handleResize() {
    const sidebar = document.getElementById(this.sidebarId);
    if (sidebar && this.isOpen) {
      sidebar.style.height = `${window.innerHeight}px`;
    }
  }

  /**
   * 检查并恢复侧边栏状态
   */
  async checkAndRestoreState() {
    try {
      const isOpen = await Utils.getStorageData(
        SidebarManager.CONFIG.STORAGE_KEY
      );
      if (isOpen && !this.isOpen) {
        // 只有当应该打开且当前未打开时才创建
        this.createSidebar();
      } else if (!isOpen && this.isOpen) {
        // 只有当应该关闭且当前打开时才移除
        this.removeSidebar();
      }
    } catch (error) {
      console.error("Failed to restore sidebar state:", error);
    }
  }

  /**
   * 包装页面内容
   */
  wrapPageContent() {
    if (document.getElementById(this.wrapperId)) return;

    const wrapper = document.createElement("div");
    wrapper.id = this.wrapperId;

    // 保存body的原始样式
    this.originalBodyStyle = {
      width: document.body.style.width,
      margin: document.body.style.margin,
      position: document.body.style.position,
      overflow: document.body.style.overflow,
    };

    // 包装内容
    while (document.body.firstChild) {
      if (document.body.firstChild.id !== this.sidebarId) {
        wrapper.appendChild(document.body.firstChild);
      } else {
        document.body.removeChild(document.body.firstChild);
      }
    }

    document.body.appendChild(wrapper);
  }

  /**
   * 解除页面内容包装
   */
  unwrapPageContent() {
    const wrapper = document.getElementById(this.wrapperId);
    if (!wrapper) return;

    // 恢复body的原始样式
    if (this.originalBodyStyle) {
      Object.assign(document.body.style, this.originalBodyStyle);
    }

    while (wrapper.firstChild) {
      document.body.insertBefore(wrapper.firstChild, wrapper);
    }

    wrapper.remove();
  }

  /**
   * 发送页面信息到iframe
   */
  sendPageInfo() {
    this.updatePageInfo();
  }

  /**
   * 更新页面信息
   */
  updatePageInfo() {
    const iframe = document.getElementById(this.sidebarId);

    if (!iframe) return;

    // 获取最新的favicon
    const favicon = this.getFavicon();

    // 发送更新后的页面信息
    iframe.contentWindow.postMessage(
      {
        type: "PAGE_INFO",
        pageInfo: {
          favicon,
          title: document.title,
          url: window.location.href,
          iframe: window.pageAnalyzer.analyzePage()
        },
      },
      "*"
    );
  }

  /**
   * 获取最新的favicon
   */
  getFavicon() {
    // 尝试获取动态favicon
    const iconLinks = Array.from(
      document.querySelectorAll('link[rel*="icon"]')
    );
    const favicon = iconLinks
      .sort((a, b) => {
        // 优先使用大尺寸图标
        const sizeA = parseInt(a.sizes?.value) || 0;
        const sizeB = parseInt(b.sizes?.value) || 0;
        return sizeB - sizeA;
      })
      .map((link) => link.href)
      .find(Boolean);

    if (favicon) return favicon;

    // 如果没有找到，返回网站根目录的favicon.ico
    const url = new URL(window.location.href);
    return `${url.protocol}//${url.hostname}/favicon.ico`;
  }

  /**
   * 创建侧边栏
   */
  async createSidebar() {
    if (document.getElementById(this.sidebarId)) return;

    try {
      this.wrapPageContent();

      const iframe = document.createElement("iframe");
      iframe.id = this.sidebarId;
      iframe.src = chrome.runtime.getURL("sidebar.html");

      // 先添加到DOM，但不添加show类
      document.body.appendChild(iframe);

      // 等待iframe加载完成
      await new Promise((resolve) => {
        iframe.onload = () => {
          // 发送页面信息
          this.sendPageInfo();
          resolve();
        };
      });

      // 等待一帧以确保DOM更新
      await new Promise((resolve) => requestAnimationFrame(resolve));

      // 触发动画
      document.body.classList.add("sidebar-open");
      iframe.classList.add("show");

      // 等待动画完成
      await new Promise((resolve) => {
        iframe.addEventListener("transitionend", resolve, { once: true });
      });

      this.isOpen = true;
      await Utils.setStorageData(SidebarManager.CONFIG.STORAGE_KEY, true);
    } catch (error) {
      console.error("Failed to create sidebar:", error);
      this.unwrapPageContent();
    }
  }

  /**
   * 移除侧边栏
   */
  async removeSidebar() {
    if (!this.isOpen) return;

    try {
      const sidebar = document.getElementById(this.sidebarId);

      if (sidebar) {
        document.body.classList.remove("sidebar-open");
        sidebar.classList.remove("show");

        // 等待动画完成后再移除元素
        await new Promise((resolve) => {
          sidebar.addEventListener(
            "transitionend",
            () => {
              this.unwrapPageContent();
              sidebar.remove();
              resolve();
            },
            { once: true }
          );
        });
      }

      this.isOpen = false;
      await Utils.setStorageData(SidebarManager.CONFIG.STORAGE_KEY, false);
    } catch (error) {
      console.error("Failed to remove sidebar:", error);
    }
  }

  /**
   * 切换侧边栏显示状态
   */
  toggle() {
    if (this.isOpen) {
      this.removeSidebar();
    } else {
      this.createSidebar();
    }
  }
}

// 初始化侧边栏管理器
const sidebarManager = new SidebarManager();

// 监听来自背景脚本的消息
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === "toggleSidebar") {
    sidebarManager.toggle();
    sendResponse({ success: true });
  }
  sendResponse({ success: true });
});
window.onload = () => {
  inputs = [...document.querySelectorAll('input')]
}

let inputs = []
// 创建一个新的js文件用于处理侧边栏内部的关闭按钮事件
const simulateCompleteUserAction = async (clickElement, inputElement, inputText, tdTitle) => {
  // 1. 模拟鼠标弹起事件
  const simulateMouseUp = (element) => {
    const mouseUpEvent = new MouseEvent('mouseup', {
      bubbles: true,
      cancelable: true,
      view: window,
      button: 0,
      buttons: 0,
      clientX: 0,
      clientY: 0,
      detail: 1
    });
    element.dispatchEvent(mouseUpEvent);
  };

  // 2. 模拟键盘输入
  const simulateTyping = async (element, text, delay = 50) => {
    element.focus();
    for (let char of text) {
      await new Promise(resolve => setTimeout(resolve, delay));

      // 按键按下
      const keydownEvent = new KeyboardEvent('keydown', {
        key: char,
        code: `Key${char.toUpperCase()}`,
        bubbles: true,
        cancelable: true
      });
      element.dispatchEvent(keydownEvent);

      // 更新输入值
      element.value += char;

      // 触发输入事件
      const inputEvent = new InputEvent('input', {
        bubbles: true,
        cancelable: true,
        data: char,
        inputType: 'insertText'
      });
      element.dispatchEvent(inputEvent);

      // 按键弹起
      const keyupEvent = new KeyboardEvent('keyup', {
        key: char,
        code: `Key${char.toUpperCase()}`,
        bubbles: true,
        cancelable: true
      });
      element.dispatchEvent(keyupEvent);
    }

    // 触发change事件
    element.dispatchEvent(new Event('change', { bubbles: true }));
  };

  // 3. 查找td元素
  const findTdByTitle = (title, timeout = 5000) => {
    return new Promise((resolve, reject) => {
      const startTime = Date.now();

      const find = () => {
        const td = document.querySelector(`td[title="${title}"]`);
        if (td) {
          resolve(td);
          return;
        }

        if (Date.now() - startTime > timeout) {
          reject(new Error(`未找到title为"${title}"的td元素`));
          return;
        }

        requestAnimationFrame(find);
      };

      find();
    });
  };

  // 4. 模拟点击事件
  const simulateClick = (element) => {
    const clickEvent = new MouseEvent('click', {
      bubbles: true,
      cancelable: true,
      view: window,
      detail: 1
    });
    element.dispatchEvent(clickEvent);
  };

  try {
    // 执行操作序列

    // 1. 触发鼠标弹起
    simulateMouseUp(clickElement);
    await new Promise(resolve => setTimeout(resolve, 100));

    // 2. 模拟键盘输入
    await simulateTyping(inputElement, inputText);
    await new Promise(resolve => setTimeout(resolve, 200));

    // 3. 查找并点击td元素
    const tdElement = await findTdByTitle(tdTitle);


    setTimeout(() => {
      tdElement.click()
    }, 100)

    return true;
  } catch (error) {
    throw error;
  }
};
function formatDate(date) {
  const d = new Date(date);
  const year = d.getFullYear();
  const month = String(d.getMonth() + 1).padStart(2, '0'); // 月份从0开始，需要加1，并确保两位数
  const day = String(d.getDate()).padStart(2, '0'); // 确保两位数
  return `${year}-${month}-${day}`;
}