'use client'
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import type { FC } from 'react'
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import React, { useRef, useState } from 'react'
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import { useGetState, useInfiniteScroll } from 'ahooks'
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import { useTranslation } from 'react-i18next'
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import Link from 'next/link'
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import produce from 'immer'
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import TypeIcon from '../type-icon'
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import s from './style.module.css'
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import cn from '@/utils/classnames'
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import Modal from '@/app/components/base/modal'
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import type { DataSet } from '@/models/datasets'
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import Button from '@/app/components/base/button'
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import { fetchDatasets } from '@/service/datasets'
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import Loading from '@/app/components/base/loading'
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import Badge from '@/app/components/base/badge'
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import { useKnowledge } from '@/hooks/use-knowledge'
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export type ISelectDataSetProps = {
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isShow: boolean
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onClose: () => void
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selectedIds: string[]
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onSelect: (dataSet: DataSet[]) => void
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}
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const SelectDataSet: FC<ISelectDataSetProps> = ({
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isShow,
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onClose,
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selectedIds,
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onSelect,
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}) => {
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const { t } = useTranslation()
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const [selected, setSelected] = React.useState<DataSet[]>(selectedIds.map(id => ({ id }) as any))
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const [loaded, setLoaded] = React.useState(false)
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const [datasets, setDataSets] = React.useState<DataSet[] | null>(null)
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const hasNoData = !datasets || datasets?.length === 0
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const canSelectMulti = true
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const listRef = useRef<HTMLDivElement>(null)
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const [page, setPage, getPage] = useGetState(1)
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const [isNoMore, setIsNoMore] = useState(false)
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const { formatIndexingTechniqueAndMethod } = useKnowledge()
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useInfiniteScroll(
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async () => {
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if (!isNoMore) {
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const { data, has_more } = await fetchDatasets({ url: '/datasets', params: { page } })
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setPage(getPage() + 1)
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setIsNoMore(!has_more)
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const newList = [...(datasets || []), ...data.filter(item => item.indexing_technique || item.provider === 'external')]
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setDataSets(newList)
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setLoaded(true)
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if (!selected.find(item => !item.name))
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return { list: [] }
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const newSelected = produce(selected, (draft) => {
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selected.forEach((item, index) => {
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if (!item.name) { // not fetched database
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const newItem = newList.find(i => i.id === item.id)
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if (newItem)
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draft[index] = newItem
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}
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})
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})
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setSelected(newSelected)
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}
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return { list: [] }
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},
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{
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target: listRef,
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isNoMore: () => {
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return isNoMore
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},
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reloadDeps: [isNoMore],
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},
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)
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const toggleSelect = (dataSet: DataSet) => {
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const isSelected = selected.some(item => item.id === dataSet.id)
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if (isSelected) {
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setSelected(selected.filter(item => item.id !== dataSet.id))
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}
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else {
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if (canSelectMulti)
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setSelected([...selected, dataSet])
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else
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setSelected([dataSet])
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}
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}
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const handleSelect = () => {
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onSelect(selected)
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}
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return (
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<Modal
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isShow={isShow}
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onClose={onClose}
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className='w-[400px]'
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title={t('appDebug.feature.dataSet.selectTitle')}
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>
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{!loaded && (
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<div className='flex h-[200px]'>
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<Loading type='area' />
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</div>
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)}
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{(loaded && hasNoData) && (
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<div className='flex items-center justify-center mt-6 rounded-lg space-x-1 h-[128px] text-[13px] border'
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style={{
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background: 'rgba(0, 0, 0, 0.02)',
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borderColor: 'rgba(0, 0, 0, 0.02',
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}}
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>
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<span className='text-gray-500'>{t('appDebug.feature.dataSet.noDataSet')}</span>
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<Link href="/datasets/create" className='font-normal text-[#155EEF]'>{t('appDebug.feature.dataSet.toCreate')}</Link>
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</div>
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)}
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{datasets && datasets?.length > 0 && (
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<>
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<div ref={listRef} className='mt-7 space-y-1 max-h-[286px] overflow-y-auto'>
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{datasets.map(item => (
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<div
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key={item.id}
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className={cn(s.item, selected.some(i => i.id === item.id) && s.selected, 'flex justify-between items-center h-10 px-2 rounded-lg bg-white border border-gray-200 cursor-pointer', !item.embedding_available && s.disabled)}
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onClick={() => {
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if (!item.embedding_available)
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return
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toggleSelect(item)
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}}
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>
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<div className='mr-1 flex items-center'>
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<div className={cn('mr-2', !item.embedding_available && 'opacity-50')}>
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<TypeIcon type="upload_file" size='md' />
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</div>
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<div className={cn('max-w-[200px] text-[13px] font-medium text-gray-800 overflow-hidden text-ellipsis whitespace-nowrap', !item.embedding_available && 'opacity-50 !max-w-[120px]')}>{item.name}</div>
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{!item.embedding_available && (
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<span className='ml-1 shrink-0 px-1 border border-gray-200 rounded-md text-gray-500 text-xs font-normal leading-[18px]'>{t('dataset.unavailable')}</span>
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)}
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</div>
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{
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item.indexing_technique && (
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<Badge
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text={formatIndexingTechniqueAndMethod(item.indexing_technique, item.retrieval_model_dict?.search_method)}
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/>
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)
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}
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{
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item.provider === 'external' && (
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<Badge text={t('dataset.externalTag')} />
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)
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}
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</div>
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))}
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</div>
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</>
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)}
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{loaded && (
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<div className='flex justify-between items-center mt-8'>
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<div className='text-sm font-medium text-gray-700'>
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{selected.length > 0 && `${selected.length} ${t('appDebug.feature.dataSet.selected')}`}
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</div>
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<div className='flex space-x-2'>
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<Button onClick={onClose}>{t('common.operation.cancel')}</Button>
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<Button variant='primary' onClick={handleSelect} disabled={hasNoData}>{t('common.operation.add')}</Button>
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</div>
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</div>
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)}
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</Modal>
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)
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}
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export default React.memo(SelectDataSet)
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