import { defineStore } from 'pinia'
import { useDialogueStore } from '@/store'
import lodash from 'lodash'

import { ref } from 'vue'
import { createGlobalState, useStorage } from '@vueuse/core'
import { uniStorage } from '@/utils/uniStorage.js'

export const useDialogueListStore = createGlobalState(() => {
  // const dialogueList = useStorage('dialogueList', [], uniStorage)
  const dialogueList = ref([])
  const zpagingRef = ref()
  const virtualList = ref([])

  const getDialogueList = (indexName) => {
    return dialogueList.value.find((item) => item.index_name === indexName)
  }

  const addDialogueRecord = (newRecords, type = 'add') => {
    console.log(newRecords)

    const dialogue = lodash.cloneDeep(useDialogueStore())
    if (!dialogue || typeof dialogue !== 'object') return
    // 检查是否已存在相同 index_name 的对话
    const existingIndex = dialogueList.value.findIndex(
      (item) => item.index_name === dialogue.index_name,
    )
    if (existingIndex === -1) {
      // 如果不存在，直接添加
      dialogueList.value.push(dialogue)
    } else {
      // 如果对话存在，处理 records 数组
      const { records = [] } = dialogue
      newRecords.forEach((newRecord) => {
        const recordIndex = dialogueList.value[existingIndex].records.findIndex(
          (record) => record.msg_id === newRecord.msg_id,
        )

        if (recordIndex === -1) {
          // 如果记录不存在，添加到 records 数组
          if (type === 'add') {
            dialogueList.value[existingIndex].records.push(newRecord)
          } else {
            dialogueList.value[existingIndex].records.unshift(newRecord)
          }
        }
      })

      // 更新除 records 和 index_name 外的其他属性
      const { index_name, records: _, ...updateProps } = dialogue
      dialogueList.value[existingIndex] = {
        ...dialogueList.value[existingIndex],
        ...updateProps,
      }
    }
  }

  const updateDialogueRecord = (record) => {
    const dialogue = lodash.cloneDeep(useDialogueStore())
    const item = getDialogueList(dialogue.index_name)
    const recordIndex = item.records.findIndex(
      (item) => item.msg_id === record.msg_id,
    )
    if (recordIndex !== -1) {
      item.records[recordIndex] = {
        ...item.records[recordIndex],
        ...record,
      }
    }
    const virtualIndex = virtualList.value.findIndex(
      (item) => item.msg_id === record.msg_id,
    )
    if (virtualIndex !== -1) {
      virtualList.value[virtualIndex] = {
        ...virtualList.value[virtualIndex],
        ...record,
      }
    }
  }

  const deleteDialogueRecord = (record) => {
    const dialogue = lodash.cloneDeep(useDialogueStore())
    const item = getDialogueList(dialogue.index_name)
    const recordIndex = item.records.findIndex(
      (item) => item.msg_id === record.msg_id,
    )
    if (recordIndex !== -1) {
      item.records.splice(recordIndex, 1)
    }
  }

  const updateUploadProgress = (id, progress) => {
    const record = virtualList.value.find((item) => item.msg_id === id)
    if (record) {
      record.uploadCurrent = progress
    }
  }

  const updateZpagingRef = (params) => {
    zpagingRef.value = params
  }

  const zpagingComplete = (index_name, newRecords) => {
    zpagingRef.value?.complete(lodash.cloneDeep(newRecords).reverse())
  }

  const addChatRecord = (indexName, item) => {
    const dialogue = lodash.cloneDeep(useDialogueStore())
    if (dialogue?.index_name === indexName) {
      const index = virtualList.value.findIndex(
        (v) => v?.file_num === item?.file_num,
      )
      if (index > -1) {
        // 保持响应性的同时替换整个对象
        virtualList.value.splice(index, 1, {
          ...virtualList.value[index], // 保留原有不需要修改的字段
          ...item, // 覆盖需要更新的字段
        })
      } else {
        zpagingRef.value?.addChatRecordData(item, false, false)
      }
    }
  }

  const batchDelDialogueRecord = (msgIds) => {
    const dialogue = lodash.cloneDeep(useDialogueStore())
    const item = getDialogueList(dialogue.index_name)
    item.records = item.records.filter((item) => !msgIds.includes(item.msg_id))
  }

  //删除会话时，同时刪除storage中存儲的會話
  const delDialogueStorage = (indexName) => {
    if (dialogueList?.value?.length > 0) {
      dialogueList.value.forEach((item, index) => {
        if (item?.index_name === indexName) {
          dialogueList.value.splice(index, 1)
        }
      })
    }
  }

  //清空聊天记录时，同时清空本地保存的聊天记录
  const clearDialogueRecord = () => {
    const dialogue = lodash.cloneDeep(useDialogueStore())
    const item = getDialogueList(dialogue.index_name)
    item.records = []
    virtualList.value = []
  }

  return {
    dialogueList,
    zpagingRef,
    getDialogueList,
    addDialogueRecord,
    updateDialogueRecord,
    deleteDialogueRecord,
    updateUploadProgress,
    updateZpagingRef,
    zpagingComplete,
    addChatRecord,
    virtualList,
    batchDelDialogueRecord,
    delDialogueStorage,
    clearDialogueRecord,
  }
})