'use client'
import type { FC, SVGProps } from 'react'
import React, { useEffect, useState } from 'react'
// import type { Log } from '@/models/log'
import useSWR from 'swr'
import {
  HandThumbDownIcon,
  HandThumbUpIcon,
  InformationCircleIcon,
  XMarkIcon,
} from '@heroicons/react/24/outline'
import { SparklesIcon } from '@heroicons/react/24/solid'
import { get } from 'lodash-es'
import InfiniteScroll from 'react-infinite-scroll-component'
import dayjs from 'dayjs'
import { createContext, useContext } from 'use-context-selector'
import classNames from 'classnames'
import { useTranslation } from 'react-i18next'
import s from './style.module.css'
import { randomString } from '@/utils'
import { EditIconSolid } from '@/app/components/app/chat/icon-component'
import type { FeedbackFunc, Feedbacktype, IChatItem, SubmitAnnotationFunc } from '@/app/components/app/chat/type'
import type { Annotation, ChatConversationFullDetailResponse, ChatConversationGeneralDetail, ChatConversationsResponse, ChatMessage, ChatMessagesRequest, CompletionConversationFullDetailResponse, CompletionConversationGeneralDetail, CompletionConversationsResponse } from '@/models/log'
import type { App } from '@/types/app'
import Loading from '@/app/components/base/loading'
import Drawer from '@/app/components/base/drawer'
import Popover from '@/app/components/base/popover'
import Chat from '@/app/components/app/chat'
import Tooltip from '@/app/components/base/tooltip'
import { ToastContext } from '@/app/components/base/toast'
import { fetchChatConversationDetail, fetchChatMessages, fetchCompletionConversationDetail, updateLogMessageAnnotations, updateLogMessageFeedbacks } from '@/service/log'
import { TONE_LIST } from '@/config'

type IConversationList = {
  logs?: ChatConversationsResponse | CompletionConversationsResponse
  appDetail?: App
  onRefresh: () => void
}

const defaultValue = 'N/A'
const emptyText = '[Empty]'

type IDrawerContext = {
  onClose: () => void
  appDetail?: App
}

const DrawerContext = createContext<IDrawerContext>({} as IDrawerContext)

export const OpenAIIcon = ({ className }: SVGProps<SVGElement>) => {
  return <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" className={className ?? ''}>
    <rect width="16" height="16" rx="6" fill="black" />
    <path d="M13.6553 7.70613C13.7853 7.99625 13.8678 8.30638 13.9016 8.62276C13.9341 8.93913 13.9179 9.25927 13.8503 9.57064C13.7841 9.88202 13.669 10.1809 13.5089 10.456C13.4039 10.6398 13.2801 10.8124 13.1375 10.9712C12.9962 11.1288 12.8387 11.2713 12.6673 11.3964C12.4948 11.5214 12.311 11.6265 12.1159 11.7128C11.922 11.7978 11.7195 11.8628 11.5119 11.9053C11.4143 12.208 11.2693 12.4943 11.0817 12.7519C10.8954 13.0095 10.669 13.2359 10.4114 13.4222C10.1538 13.6098 9.86871 13.7549 9.56608 13.8524C9.26346 13.9512 8.94708 14 8.6282 14C8.41686 14.0012 8.20428 13.9787 7.99669 13.9362C7.79036 13.8924 7.58778 13.8261 7.39395 13.7398C7.20012 13.6536 7.01629 13.546 6.84497 13.421C6.6749 13.2959 6.51734 13.1521 6.37728 12.9933C6.06465 13.0608 5.74452 13.0771 5.42814 13.0446C5.11177 13.0108 4.80164 12.9283 4.51027 12.7982C4.22015 12.6694 3.95129 12.4943 3.71495 12.2805C3.4786 12.0667 3.27727 11.8166 3.11845 11.5414C3.01216 11.3576 2.92462 11.1638 2.85835 10.9625C2.79207 10.7611 2.7483 10.5535 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  </svg>
}

/**
 * Icon component with numbers
 */
const HandThumbIconWithCount: FC<{ count: number; iconType: 'up' | 'down' }> = ({ count, iconType }) => {
  const classname = iconType === 'up' ? 'text-primary-600 bg-primary-50' : 'text-red-600 bg-red-50'
  const Icon = iconType === 'up' ? HandThumbUpIcon : HandThumbDownIcon
  return <div className={`inline-flex items-center w-fit rounded-md p-1 text-xs ${classname} mr-1 last:mr-0`}>
    <Icon className={'h-3 w-3 mr-0.5 rounded-md'} />
    {count > 0 ? count : null}
  </div>
}

const PARAM_MAP = {
  temperature: 'Temperature',
  top_p: 'Top P',
  presence_penalty: 'Presence Penalty',
  max_tokens: 'Max Token',
  stop: 'Stop',
  frequency_penalty: 'Frequency Penalty',
}

// Format interface data for easy display
const getFormattedChatList = (messages: ChatMessage[]) => {
  const newChatList: IChatItem[] = []
  messages.forEach((item: ChatMessage) => {
    newChatList.push({
      id: `question-${item.id}`,
      content: item.query,
      isAnswer: false,
    })

    newChatList.push({
      id: item.id,
      content: item.answer,
      feedback: item.feedbacks.find(item => item.from_source === 'user'), // user feedback
      adminFeedback: item.feedbacks.find(item => item.from_source === 'admin'), // admin feedback
      feedbackDisabled: false,
      isAnswer: true,
      more: {
        time: dayjs.unix(item.created_at).format('hh:mm A'),
        tokens: item.answer_tokens + item.message_tokens,
        latency: item.provider_response_latency.toFixed(2),
      },
      annotation: item.annotation,
    })
  })
  return newChatList
}

// const displayedParams = CompletionParams.slice(0, -2)
const validatedParams = ['temperature', 'top_p', 'presence_penalty', 'frequency_penalty']

type IDetailPanel<T> = {
  detail: T
  onFeedback: FeedbackFunc
  onSubmitAnnotation: SubmitAnnotationFunc
}

function DetailPanel<T extends ChatConversationFullDetailResponse | CompletionConversationFullDetailResponse>({ detail, onFeedback, onSubmitAnnotation }: IDetailPanel<T>) {
  const { onClose, appDetail } = useContext(DrawerContext)
  const { t } = useTranslation()
  const [items, setItems] = React.useState<IChatItem[]>([])
  const [hasMore, setHasMore] = useState(true)

  const fetchData = async () => {
    try {
      if (!hasMore)
        return
      const params: ChatMessagesRequest = {
        conversation_id: detail.id,
        limit: 4,
      }
      if (items?.[0]?.id)
        params.first_id = items?.[0]?.id.replace('question-', '')

      const messageRes = await fetchChatMessages({
        url: `/apps/${appDetail?.id}/chat-messages`,
        params,
      })
      const newItems = [...getFormattedChatList(messageRes.data), ...items]
      if (messageRes.has_more === false && detail?.model_config?.configs?.introduction) {
        newItems.unshift({
          id: 'introduction',
          isAnswer: true,
          isOpeningStatement: true,
          content: detail?.model_config?.configs?.introduction ?? 'hello',
          feedbackDisabled: true,
        })
      }
      setItems(newItems)
      setHasMore(messageRes.has_more)
    }
    catch (err) {
      console.error(err)
    }
  }

  useEffect(() => {
    if (appDetail?.id && detail.id && appDetail?.mode === 'chat')
      fetchData()
  }, [appDetail?.id, detail.id])

  const isChatMode = appDetail?.mode === 'chat'

  const targetTone = TONE_LIST.find((item) => {
    let res = true
    validatedParams.forEach((param) => {
      res = item.config?.[param] === detail.model_config?.configs?.completion_params?.[param]
    })
    return res
  })?.name ?? 'custom'

  return (<div className='rounded-xl border-[0.5px] border-gray-200 h-full flex flex-col overflow-auto'>
    {/* Panel Header */}
    <div className='border-b border-gray-100 py-4 px-6 flex items-center justify-between'>
      <div className='flex-1'>
        <span className='text-gray-500 text-[10px]'>{isChatMode ? t('appLog.detail.conversationId') : t('appLog.detail.time')}</span>
        <div className='text-gray-800 text-sm'>{isChatMode ? detail.id : dayjs.unix(detail.created_at).format(t('appLog.dateTimeFormat'))}</div>
      </div>
      <div className='mr-2 bg-gray-50 py-1.5 px-2.5 rounded-lg flex items-center text-[13px]'><OpenAIIcon className='mr-2' />{detail.model_config.model_id}</div>
      <Popover
        position='br'
        className='!w-[280px]'
        btnClassName='mr-4 !bg-gray-50 !py-1.5 !px-2.5 border-none font-normal'
        btnElement={<>
          <span className='text-[13px]'>{targetTone}</span>
          <InformationCircleIcon className='h-4 w-4 text-gray-800 ml-1.5' />
        </>}
        htmlContent={<div className='w-[280px]'>
          <div className='flex justify-between py-2 px-4 font-medium text-sm text-gray-700'>
            <span>Tone of responses</span>
            <div>{targetTone}</div>
          </div>
          {['temperature', 'top_p', 'presence_penalty', 'max_tokens'].map((param, index) => {
            return <div className='flex justify-between py-2 px-4 bg-gray-50' key={index}>
              <span className='text-xs text-gray-700'>{PARAM_MAP[param]}</span>
              <span className='text-gray-800 font-medium text-xs'>{detail?.model_config.model?.completion_params?.[param] || '-'}</span>
            </div>
          })}
        </div>}
      />
      <div className='w-6 h-6 rounded-lg flex items-center justify-center hover:cursor-pointer hover:bg-gray-100'>
        <XMarkIcon className='w-4 h-4 text-gray-500' onClick={onClose} />
      </div>
    </div>
    {/* Panel Body */}
    <div className='bg-gray-50 border border-gray-100 px-4 py-3 mx-6 my-4 rounded-lg'>
      <div className='text-gray-500 text-xs flex items-center'>
        <SparklesIcon className='h-3 w-3 mr-1' />{isChatMode ? t('appLog.detail.promptTemplateBeforeChat') : t('appLog.detail.promptTemplate')}
      </div>
      <div className='text-gray-700 font-medium text-sm mt-2'>{detail.model_config?.pre_prompt || emptyText}</div>
    </div>
    {!isChatMode
      ? <div className="px-2.5 py-4">
        <Chat
          chatList={getFormattedChatList([detail.message])}
          isHideSendInput={true}
          onFeedback={onFeedback}
          onSubmitAnnotation={onSubmitAnnotation}
          displayScene='console'
        />
      </div>
      : items.length < 8
        ? <div className="px-2.5 pt-4 mb-4">
          <Chat
            chatList={items}
            isHideSendInput={true}
            onFeedback={onFeedback}
            onSubmitAnnotation={onSubmitAnnotation}
            displayScene='console'
          />
        </div>
        : <div
          className="px-2.5 py-4"
          id="scrollableDiv"
          style={{
            height: 1000, // Specify a value
            overflow: 'auto',
            display: 'flex',
            flexDirection: 'column-reverse',
          }}>
          {/* Put the scroll bar always on the bottom */}
          <InfiniteScroll
            scrollableTarget="scrollableDiv"
            dataLength={items.length}
            next={fetchData}
            hasMore={hasMore}
            loader={<div className='text-center text-gray-400 text-xs'>{t('appLog.detail.loading')}...</div>}
            // endMessage={<div className='text-center'>Nothing more to show</div>}
            // below props only if you need pull down functionality
            refreshFunction={fetchData}
            pullDownToRefresh
            pullDownToRefreshThreshold={50}
            // pullDownToRefreshContent={
            //   <div className='text-center'>Pull down to refresh</div>
            // }
            // releaseToRefreshContent={
            //   <div className='text-center'>Release to refresh</div>
            // }
            // To put endMessage and loader to the top.
            style={{ display: 'flex', flexDirection: 'column-reverse' }}
            inverse={true}
          >
            <Chat
              chatList={items}
              isHideSendInput={true}
              onFeedback={onFeedback}
              onSubmitAnnotation={onSubmitAnnotation}
              displayScene='console'
            />
          </InfiniteScroll>
        </div>
    }
  </div>)
}

/**
 * Text App Conversation Detail Component
 */
const CompletionConversationDetailComp: FC<{ appId?: string; conversationId?: string }> = ({ appId, conversationId }) => {
  // Text Generator App Session Details Including Message List
  const detailParams = ({ url: `/apps/${appId}/completion-conversations/${conversationId}` })
  const { data: conversationDetail, mutate: conversationDetailMutate } = useSWR(() => (appId && conversationId) ? detailParams : null, fetchCompletionConversationDetail)
  const { notify } = useContext(ToastContext)
  const { t } = useTranslation()

  const handleFeedback = async (mid: string, { rating }: Feedbacktype): Promise<boolean> => {
    try {
      await updateLogMessageFeedbacks({ url: `/apps/${appId}/feedbacks`, body: { message_id: mid, rating } })
      conversationDetailMutate()
      notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
      return true
    }
    catch (err) {
      notify({ type: 'error', message: t('common.actionMsg.modificationFailed') })
      return false
    }
  }

  const handleAnnotation = async (mid: string, value: string): Promise<boolean> => {
    try {
      await updateLogMessageAnnotations({ url: `/apps/${appId}/annotations`, body: { message_id: mid, content: value } })
      conversationDetailMutate()
      notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
      return true
    }
    catch (err) {
      notify({ type: 'error', message: t('common.actionMsg.modificationFailed') })
      return false
    }
  }

  if (!conversationDetail)
    return null

  return <DetailPanel<CompletionConversationFullDetailResponse>
    detail={conversationDetail}
    onFeedback={handleFeedback}
    onSubmitAnnotation={handleAnnotation}
  />
}

/**
 * Chat App Conversation Detail Component
 */
const ChatConversationDetailComp: FC<{ appId?: string; conversationId?: string }> = ({ appId, conversationId }) => {
  const detailParams = { url: `/apps/${appId}/chat-conversations/${conversationId}` }
  const { data: conversationDetail } = useSWR(() => (appId && conversationId) ? detailParams : null, fetchChatConversationDetail)
  const { notify } = useContext(ToastContext)
  const { t } = useTranslation()

  const handleFeedback = async (mid: string, { rating }: Feedbacktype): Promise<boolean> => {
    try {
      await updateLogMessageFeedbacks({ url: `/apps/${appId}/feedbacks`, body: { message_id: mid, rating } })
      notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
      return true
    }
    catch (err) {
      notify({ type: 'error', message: t('common.actionMsg.modificationFailed') })
      return false
    }
  }

  const handleAnnotation = async (mid: string, value: string): Promise<boolean> => {
    try {
      await updateLogMessageAnnotations({ url: `/apps/${appId}/annotations`, body: { message_id: mid, content: value } })
      notify({ type: 'success', message: t('common.actionMsg.modifiedSuccessfully') })
      return true
    }
    catch (err) {
      notify({ type: 'error', message: t('common.actionMsg.modificationFailed') })
      return false
    }
  }

  if (!conversationDetail)
    return null

  return <DetailPanel<ChatConversationFullDetailResponse>
    detail={conversationDetail}
    onFeedback={handleFeedback}
    onSubmitAnnotation={handleAnnotation}
  />
}

/**
 * Conversation list component including basic information
 */
const ConversationList: FC<IConversationList> = ({ logs, appDetail, onRefresh }) => {
  const { t } = useTranslation()
  const [showDrawer, setShowDrawer] = useState<boolean>(false) // Whether to display the chat details drawer
  const [currentConversation, setCurrentConversation] = useState<ChatConversationGeneralDetail | CompletionConversationGeneralDetail | undefined>() // Currently selected conversation
  const isChatMode = appDetail?.mode === 'chat' // Whether the app is a chat app

  // Annotated data needs to be highlighted
  const renderTdValue = (value: string | number | null, isEmptyStyle: boolean, isHighlight = false, annotation?: Annotation) => {
    return (
      <Tooltip
        htmlContent={
          <span className='text-xs text-gray-500 inline-flex items-center'>
            <EditIconSolid className='mr-1' />{`${t('appLog.detail.annotationTip', { user: annotation?.account?.name })} ${dayjs.unix(annotation?.created_at || dayjs().unix()).format('MM-DD hh:mm A')}`}
          </span>
        }
        className={(isHighlight && !isChatMode) ? '' : '!hidden'}
        selector={`highlight-${randomString(16)}`}
      >
        <div className={classNames(isEmptyStyle ? 'text-gray-400' : 'text-gray-700', !isHighlight ? '' : 'bg-orange-100', 'text-sm overflow-hidden text-ellipsis whitespace-nowrap')}>
          {value || '-'}
        </div>
      </Tooltip>
    )
  }

  const onCloseDrawer = () => {
    onRefresh()
    setShowDrawer(false)
    setCurrentConversation(undefined)
  }

  if (!logs)
    return <Loading />

  return (
    <>
      <table className={`w-full border-collapse border-0 text-sm mt-3 ${s.logTable}`}>
        <thead className="h-8 leading-8 border-b  border-gray-200 text-gray-500 font-bold">
          <tr>
            <td className='w-[1.375rem]'></td>
            <td>{t('appLog.table.header.time')}</td>
            <td>{t('appLog.table.header.endUser')}</td>
            <td>{isChatMode ? t('appLog.table.header.summary') : t('appLog.table.header.input')}</td>
            <td>{isChatMode ? t('appLog.table.header.messageCount') : t('appLog.table.header.output')}</td>
            <td>{t('appLog.table.header.userRate')}</td>
            <td>{t('appLog.table.header.adminRate')}</td>
          </tr>
        </thead>
        <tbody className="text-gray-500">
          {logs.data.map((log) => {
            const endUser = log.from_end_user_session_id
            const leftValue = get(log, isChatMode ? 'summary' : 'message.query')
            const rightValue = get(log, isChatMode ? 'message_count' : 'message.answer')
            return <tr
              key={log.id}
              className={`border-b border-gray-200 h-8 hover:bg-gray-50 cursor-pointer ${currentConversation?.id !== log.id ? '' : 'bg-gray-50'}`}
              onClick={() => {
                setShowDrawer(true)
                setCurrentConversation(log)
              }}>
              <td className='text-center align-middle'>{!log.read_at && <span className='inline-block bg-[#3F83F8] h-1.5 w-1.5 rounded'></span>}</td>
              <td className='w-[160px]'>{dayjs.unix(log.created_at).format(t('appLog.dateTimeFormat'))}</td>
              <td>{renderTdValue(endUser || defaultValue, !endUser)}</td>
              <td style={{ maxWidth: isChatMode ? 300 : 200 }}>
                {renderTdValue(leftValue || t('appLog.table.empty.noChat'), !leftValue, isChatMode && log.annotated)}
              </td>
              <td style={{ maxWidth: isChatMode ? 100 : 200 }}>
                {renderTdValue(rightValue === 0 ? 0 : (rightValue || t('appLog.table.empty.noOutput')), !rightValue, !isChatMode && !!log.annotation?.content, log.annotation)}
              </td>
              <td>
                {(!log.user_feedback_stats.like && !log.user_feedback_stats.dislike)
                  ? renderTdValue(defaultValue, true)
                  : <>
                    {!!log.user_feedback_stats.like && <HandThumbIconWithCount iconType='up' count={log.user_feedback_stats.like} />}
                    {!!log.user_feedback_stats.dislike && <HandThumbIconWithCount iconType='down' count={log.user_feedback_stats.dislike} />}
                  </>
                }
              </td>
              <td>
                {(!log.admin_feedback_stats.like && !log.admin_feedback_stats.dislike)
                  ? renderTdValue(defaultValue, true)
                  : <>
                    {!!log.admin_feedback_stats.like && <HandThumbIconWithCount iconType='up' count={log.admin_feedback_stats.like} />}
                    {!!log.admin_feedback_stats.dislike && <HandThumbIconWithCount iconType='down' count={log.admin_feedback_stats.dislike} />}
                  </>
                }
              </td>
            </tr>
          })}
        </tbody>
      </table>
      <Drawer
        isOpen={showDrawer}
        onClose={onCloseDrawer}
        mask={false}
        footer={null}
        panelClassname='mt-16 mr-2 mb-3 !p-0 !max-w-[640px] rounded-b-xl'
      >
        <DrawerContext.Provider value={{
          onClose: onCloseDrawer,
          appDetail,
        }}>
          {isChatMode
            ? <ChatConversationDetailComp appId={appDetail?.id} conversationId={currentConversation?.id} />
            : <CompletionConversationDetailComp appId={appDetail?.id} conversationId={currentConversation?.id} />
          }
        </DrawerContext.Provider>
      </Drawer>
    </>
  )
}

export default ConversationList
