// entrypoints/content.ts
import PageAnalyzer, { cleanPage } from '../utils/page-analyzer'

export default defineContentScript({
  matches: ['<all_urls>'],
  main(ctx) {
    let page = document.getElementsByTagName('body')[0]
    const src = chrome.runtime.getURL('images/begin.png')
    window.pageAnalyzer = new PageAnalyzer()
    window.onload = () => {
      chrome.runtime.sendMessage(getPageInfo())
      console.log(document.title)

    }
    let form = null
    let formChildren = []
    let excelDataA = {}
    chrome.runtime.onMessage.addListener(async (message, sender, sendResponse) => {
      if (message.type === 'GET_PAGE_INFO') {
        sendResponse({
          data: getPageInfo()
        })
      }
      let dom = null
      if (message.type === 'GET_TAG_ACTION') {
        const data = message.data
        if (0) {
          dom = document.getElementById(data.id)
        } else {
          dom = [...document.getElementsByTagName(data.tag.toLowerCase())]
            // .filter(_ => _.className.includes(data.class))
            .filter(_ => _.innerText.includes(data.text))[0]
        }
        console.log(dom)
        if (!dom) {
          sendResponse({ data: '未找到元素，请重试', statue: 'error' })
          return
        }
        // 添加红色边框，500ms后移除边框，然后点击
        const originalBorder = dom.style.border
        dom.style.border = '2px solid red'
        setTimeout(() => {
          dom.style.border = originalBorder
          dom.click()
        }, 1000)
        sendResponse({ data: '完成' })
        return true
      }

      if (message.type === 'GET_PAGE_FORM') {

        const len = document.querySelectorAll('form').length
        if (document.title === '智能招采' && len === 1) {
          sendResponse({
            status: 'error',
            message: '没有找到表单'
          })
          return
        }

        if (len) {
          const forms = document.querySelectorAll('form')
          if (len > 1) {
            form = forms[len - 1]
          } else form = forms[0]
          form.querySelectorAll('svg')
            .forEach((el) => el.remove())
          formChildren = [...form.elements]
        }
        // if (!form && document.querySelector("input")) {
        //     const arr = []
        //     const inputs = document.querySelectorAll("input")
        //     formChildren = [...inputs]

        //     for (const element of inputs) {
        //         arr.push(element.outerHTML)
        //     }
        //     form = { outerHTML: JSON.stringify(arr) }
        // }
        if (!form) {
          sendResponse({
            status: 'error',
            message: '没有找到表单'
          })
          return
        }
        sendResponse({
          status: 'ok',
          data: form.outerHTML
        })
      }
      if (message.type === 'INPUT_FORM') {
        const { formData, excelData } = message.data
        excelDataA = excelData
        console.log(formData, excelDataA)
        await handleFillInput(formData, 0)
      }
      return true
    })

    function getPageInfo() {
      const favIconUrl = getFavicon()
      return {
        type: 'PAGE_INFO',
        data: {
          favIconUrl,
          title: document.title,
          url: window.location.href,
          content: window.pageAnalyzer.analyzePage()
        }
      }
    }

    function getFavicon() {
      // 尝试获取动态favicon
      const iconLinks = Array.from(
        document.querySelectorAll('link[rel*="icon"]')
      )
      const favIconUrl = 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 (favIconUrl) return favIconUrl

      // 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`
    }

    const handleFillInput = async (data, index) => {
      console.log(data)

      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])
                  }
                }
              }
            }
            if (input) {
              await simulateUserInput(input, excelDataA[item.excelColumn])
            }
          }
          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] && span.click()
                })
              }
            }
          }

          if (item.type === 'date') {

            const input = formChildren.find(child => child.id === item.findByValue)
            if (excelDataA[item.excelColumn]) {

              await simulateCompleteUserAction(input, input, formatDate(excelDataA[item.excelColumn]), formatDate(excelDataA[item.excelColumn]))
            }
          }
        }
        if (item.findBy === 'placeholder') {
          const input = formChildren.find(child => child.placeholder === item.findByValue)
          if (input) {
            simulateUserInput(input, excelDataA[item.excelColumn])
          }
        }
        if (item.findBy === 'label') {
          if (!excelDataA[item.excelColumn]) continue
          const label = [...form.getElementsByTagName('label')].find(label => label.innerText.includes(item.findByValue) || item.findByValue.includes(label.innerText))
          console.log(label)
          if (!label) continue
          if (item.type === 'radio' || item.type === 'checkbox') {
            console.log(excelDataA[item.excelColumn])

            if (label) {
              const span = findLabelForSpan(label)
              span.forEach(span => {
                console.log(span.innerText)
                if (span.innerText) {
                  if (span.innerText.includes(excelDataA[item.excelColumn]) || excelDataA[item.excelColumn].includes(span.innerText)) {
                    console.log(span)
                    span.click()
                  }
                }
              })
            }
          }

          if (item.type === 'date') {
            const input = findLabelForInput(label)
            console.log(input, excelDataA[item.excelColumn])

            if (input) {
              await simulateCompleteUserAction(input, input, formatDate(excelDataA[item.excelColumn]), formatDate(excelDataA[item.excelColumn]))
            }
          }

          if (item.type === 'input' || item.type === 'text' || item.type === 'number' || item.type === 'tel' || item.type === 'email' || item.type === 'textarea') {
            let input
            if (item.type === 'textarea') {
              input = findLabelForTextarea(label)
            } else input = findLabelForInput(label)
            if (input) {
              if (input.value) continue
              console.log(excelDataA[item.excelColumn])

              await simulateUserInput(input, excelDataA[item.excelColumn])
            }
          }
          if (item.type === 'select') {
            const input = findLabelForInput(label)
            if (input) {
              await simulateUserInput(input, excelDataA[item.excelColumn])
            }
          }
        }
      }
    }
    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 < 5; i++) {
        const input = p.getElementsByTagName('input')
        if (input.length > 0) {
          return input[0]
        }
        p = p.parentElement
      }
      return null
    }
    const findLabelForTag = (label, tag) => {
      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
    }
    const findLabelForTextarea = (label) => {
      let p = label.parentElement
      for (let i = 0; i < 10; i++) {
        const span = p.getElementsByTagName('textarea')
        if (span.length > 0) {
          return [...span]
        }
        p = p.parentElement
      }
      return null
    }
    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)
      }
      // 123456qq?
      // 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);

        const enterKeyEvent = new KeyboardEvent('keydown', {
          key: 'Enter',       // 事件键名
          code: 'Enter',      // 物理按键编码
          keyCode: 13,        // 传统键码（Enter键为13）
          which: 13,          // 同keyCode
          bubbles: true,      // 允许事件冒泡
          cancelable: true    // 允许事件被取消
        })
        setTimeout(() => {
          inputElement.dispatchEvent(enterKeyEvent)
        }, 0)
        await new Promise(resolve => setTimeout(resolve, 500))
        return true
      } catch (error) {
        throw error
      }
    }

    function formatDate(date) {
      // 直接创建北京时间的日期对象
      const d = new Date(date)

      // 获取年、月、日
      const year = d.getFullYear()
      const month = String(d.getMonth() + 1).padStart(2, '0') // 月份从0开始，需要加1
      const day = String(d.getDate()).padStart(2, '0')

      return `${year}-${month}-${day}`
    }

  }
})