// 消息数组
import { ref, reactive, nextTick, inject } from 'vue'
import { storeToRefs } from 'pinia'
import avator from '@/public/icon/32.png'
import moment from 'moment'
import {
  getFormKey,
  buildObjPrompt,
  getFileSummaryPrompt,
  formatMessage,
  sendMessage
} from '../utils/ai-service.js'
import { ElMessage } from 'element-plus'
import { getPageInfo } from '../utils/index.js'
import { mockData, mockData2 } from '../mock'
import { useMsgStore } from '@/store/modules/msg'
import { FunctionList } from '../mock'

export function useMsg(scrollbar?: any) {
  const { messages, msgUuid } = storeToRefs(useMsgStore())
  const indexTemp = ref(0)
  const taklToHtml = ref<any>(false)
  const sendLoading = ref(false)
  const pageInfo = ref<any>({})
  const type = ref(FunctionList.File_Operation)
  const formMap = ref([])
  // 获取父组件提供的 Hook 实例
  const { useStore } = inject('indexedDBHook') as any

  const getFileSummary = async (file: any) => {
    const obj = reactive({
      id: moment(),
      username: '用户1',
      rawContent: '',
      content: '解析文件中',
      timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
      isSelf: false,
      avatar: avator,
      addToHistory: !taklToHtml.value
    })
    try {
      sendLoading.value = true
      messages.value.push(obj)
      nextTick(() => scrollbar.value?.setScrollTop(99999))
      const res = await getFileValue(file)
      console.log(res.data, file)
      await streamRes()
    } catch (error) {
      obj.content = '解析出错'
    } finally {
      sendLoading.value = false
    }
  }
  const getFormKeyAndValue = async (file: any, form?: any) => {
    // const obj = reactive({
    //   id: moment(),
    //   username: '用户1',
    //   rawContent: '',
    //   content: '解析文件中',
    //   timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
    //   isSelf: false,
    //   avatar: avator,
    //   addToHistory: !taklToHtml.value
    // })

    try {
      sendLoading.value = true
      // messages.value.push(obj)
      const response = await getFormKey({
        body: form,
        input_data: file
      })
      return response
    } catch (error) {
      // obj.content = '解析出错'
    } finally {
      sendLoading.value = false
    }
  }
  // 发送消息
  // const handleSend = async (msg: any) => {
  //   if ( msg?.startsWith('/')) {
  //     if (!taklToHtml.value)
  //       return messages.value.push({
  //         id: messages.value.length + 1,
  //         username: '用户1',
  //         content: '请打开与页面对话！',
  //         rawContent: '请打开与页面对话！',
  //         timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
  //         isSelf: false,
  //         avatar: avator,
  //         addToHistory: false
  //       })
  //     indexTemp.value = 0
  //     fetchRes(msg)
  //   }
  // }
  async function awaitFindForm(obj: any) {
    return await new Promise((res, rej) => {
      chrome.runtime.sendMessage(
        {
          type: 'FROM_SIDE_PANEL_TO_GET_PAGE_FORM'
        },
        ({ status, data }) => {
          if (status === 'error') {
            obj.content = '当前页面未找到表单'
            res({ status })
          }
          if (status === 'ok') {
            obj.content = '请上传数据'
            res({ status, data })
          }
          if (status === 'select') {
            obj.content = '检测到左侧页面中有多个表单，请选择要填写的表单。'

            function handle(message, sender, sendResponse) {
              if (message.type === 'TO_SIDE_PANEL_FORM_INFO') {
                console.log('收到一次性消息:', message.data)
                res({ status: 'ok', data: message.data })
                obj.content = '请上传数据'
                console.log(565656)
                // 销毁监听器（确保只触发一次）
                chrome.runtime.onMessage.removeListener(handle)
              }
            }

            chrome.runtime.onMessage.addListener(handle)
          }
        }
      )
    })
  }

  const fetchRes = async (msg: any) => {
    indexTemp.value = 0
    sendLoading.value = true
    const obj: any = reactive({
      id: messages.value.length + 1,
      username: '用户1',
      content: '',
      timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
      isSelf: false,
      avatar: avator,
      addToHistory: !taklToHtml.value
    })
    messages.value.push(obj)
    msg = msg.split('/智能填表')[1]
    nextTick(() => scrollbar.value?.setScrollTop(99999))
    if (!msg) {
      sendLoading.value = false
      const res = await awaitFindForm(obj)
      return res
    }
    const res = await fetchDataAndProcess(msg, obj)
    sendLoading.value = false
    if (res.status === 'ok') {
      await new Promise((res: any) =>
        setTimeout(() => {
          res()
        }, 2000)
      )
      const res = await awaitFindForm(obj)
      return res
    }
  }
  let str = ''

  async function fetchDataAndProcess(input: any, obj: any) {
    str = input
    console.log(str)
    const pageInfo = await getPageInfo()
    await new Promise((res: any) =>
      setTimeout(() => {
        res()
      }, 2000)
    )
    // const res = await hepl({
    //   input_data: input,
    //   body: pageInfo.content.mainContent
    // })
    const res: any = await new Promise((resolve, reject) => {
      setTimeout(() => {
        resolve({
          data:
            pageInfo.title === '智能招采'
              ? mockData[indexTemp.value]
              : mockData2[indexTemp.value]
        })
      }, 1000)
    })
    if (!res.data.tag || res.data.tag === 'undefined') {
      ElMessage({
        message: '未找到标签，请重试',
        type: 'error',
        duration: 4 * 1000,
        grouping: true
      })
      obj.content = '未找到标签，请重试'
      return { status: 'error' }
    }
    await new Promise((resolve) => setTimeout(resolve, 2000))
    obj.content = `点击${res.data.tag}元素`
    const res2 = await new Promise((resolve, rej) => {
      chrome.runtime.sendMessage(
        {
          type: 'FROM_SIDE_PANEL_TO_ACTION',
          data: res.data
        },
        async ({ data, status }) => {
          if (chrome.runtime.lastError) {
            console.error('消息发送错误:', chrome.runtime.lastError)
          } else {
            if (status === 'error') {
              obj.content = data
              resolve({ data, status })
            }
            if (res.data.next === '是') {
              const arr = str.split('，')
              arr.shift()
              str = arr.join('，')
              indexTemp.value++
              const res = await fetchDataAndProcess(str, obj)
              resolve(res)
            } else resolve({ status: 'ok' })
            // else {
            //   await new Promise((resolve, reject) => {
            //     setTimeout(() => {
            //       resolve(1)
            //     }, 2000)
            //   })
            //   obj.content = `请选择表单`
            //   ElMessage({
            //     message: '请选择表单',
            //     type: 'success',
            //     duration: 4 * 1000,
            //     grouping: true
            //   })
            //   chrome.runtime.sendMessage({
            //     type: 'FROM_SIDE_PANEL_TO_GET_PAGE_FORM'
            //   })
            // }
          }
        }
      )
    })
    return res2
  }

  /**
   *
   * @param addHtml 是否添加页面信息
   */
  const streamRes = async (addHtml: any = false) => {
    pageInfo.value = await getPageInfo()
    sendLoading.value = true
    const obj = reactive<any>({
      id: messages.value.length + 1,
      username: '用户1',
      content: '',
      rawContent: '', // 存储原始内容
      timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
      isSelf: false,
      avatar: avator,
      addToHistory: !taklToHtml.value
    })
    let history = []
    if (taklToHtml.value) {
      if (addHtml) {
        history.push({
          role: 'user',
          content: `页面主要内容${pageInfo.value.content.mainContent}`
        })
      }
      history.push({
        role: 'user',
        content: messages.value[messages.value.length - 1].rawContent
      })
    } else {
      history = messages.value
        .filter((item: any) => item.addToHistory)
        .slice(-20)
        .map((item: any) => ({
          role: item.isSelf ? 'user' : 'system',
          content: item.rawContent
        }))
    }

    messages.value.push(obj)
    nextTick(() => {
      scrollbar.value?.setScrollTop(99999)
    })
    const iterator = await sendMessage(history)
    for await (const chunk of iterator) {
      if (chunk) {
        const decodedChunk = chunk.choices[0].delta.content
        if (decodedChunk) {
          // 保存原始内容
          obj.rawContent += decodedChunk
          // 实时格式化显示内容
          obj.content = formatMessage(obj.rawContent)
          // if (type.value === '2') obj.content = obj.content.replace(/item/g, '表单项').replace(/excelColumn/g, '对应数据源')
        }
      }
      scrollbar.value?.setScrollTop(99999)
    }
    console.log(obj.rawContent)

    //添加到存储历史
    useStore(msgUuid.value).add({ ...obj })
    // 处理最终内容
    sendLoading.value = false
    nextTick(() => {
      scrollbar.value?.setScrollTop(99999)
    })
    if (type.value === '2') {
      const arr = JSON.parse(obj.rawContent.split('json')[1].split('```')[0])
      const newArr = arr
        .map((obj) => {
          return `| ${[
            `“findBy”: \` "label",`,
            `"findByValue" \` “${obj.findByValue}”,`,
            `"数据来源字段" \` “${obj.excelColumn}”,`,
            `"表单项" \` “${obj.item}"`
          ].join(' ')} |`
        })
        .join('\n')
      obj.content = formatMessage('```json' + JSON.stringify(newArr) + '```')
      console.log(formatMessage('```json' + JSON.stringify(newArr) + '```'))
    }
    return obj.rawContent
  }

  async function requestFlowFn(data: any[]) {
    sendLoading.value = true
    const obj = reactive<any>({
      id: messages.value.length + 1,
      username: '用户1',
      content: '',
      rawContent: '', // 存储原始内容
      timestamp: moment().format('YYYY-MM-DD HH:mm:ss'),
      isSelf: false,
      avatar: avator,
      addToHistory: !taklToHtml.value
    })
    messages.value.push(obj)
    scrollbar.value?.setScrollTop(99999)
    const iterator = await sendMessage(data)
    if (iterator.error) {
      // 实时格式化显示内容
      obj.content = iterator.error
    } else {
      for await (const chunk of iterator) {
        if (chunk) {
          const decodedChunk = chunk.choices[0].delta.content
          if (decodedChunk) {
            // 保存原始内容
            obj.rawContent += decodedChunk
            // 实时格式化显示内容
            obj.content = formatMessage(obj.rawContent)
          }
        }
        scrollbar.value?.setScrollTop(99999)
      }
    }
    //添加到存储历史
    useStore(msgUuid.value).add({ ...obj })
    // 处理最终内容
    sendLoading.value = false
    nextTick(() => {
      scrollbar.value?.setScrollTop(99999)
    })
  }

  return {
    indexTemp,
    taklToHtml,
    sendLoading,
    formMap,
    type,
    fetchRes,
    streamRes,
    getFormKeyAndValue,
    getFileSummary,
    requestFlowFn
  }
}