import type { MetadataShape } from '@/app/components/workflow/nodes/knowledge-retrieval/types'
import type { MetadataInDoc } from '@/models/datasets'
import {
  RiAddLine,
} from '@remixicon/react'
import {
  useCallback,
  useMemo,
  useState,
} from 'react'
import { useTranslation } from 'react-i18next'
import Button from '@/app/components/base/button'
import Input from '@/app/components/base/input'
import {
  PortalToFollowElem,
  PortalToFollowElemContent,
  PortalToFollowElemTrigger,
} from '@/app/components/base/portal-to-follow-elem'
import MetadataIcon from './metadata-icon'

const AddCondition = ({
  metadataList,
  handleAddCondition,
}: Pick<MetadataShape, 'handleAddCondition' | 'metadataList'>) => {
  const { t } = useTranslation()
  const [open, setOpen] = useState(false)
  const [searchText, setSearchText] = useState('')

  const filteredMetadataList = useMemo(() => {
    return metadataList?.filter(metadata => metadata.name.includes(searchText))
  }, [metadataList, searchText])

  const handleAddConditionWrapped = useCallback((item: MetadataInDoc) => {
    handleAddCondition?.(item)
    setOpen(false)
  }, [handleAddCondition])

  return (
    <PortalToFollowElem
      open={open}
      onOpenChange={setOpen}
      placement="bottom-start"
      offset={{
        mainAxis: 3,
        crossAxis: 0,
      }}
    >
      <PortalToFollowElemTrigger onClick={() => setOpen(!open)}>
        <Button
          size="small"
          variant="secondary"
        >
          <RiAddLine className="h-3.5 w-3.5" />
          {t('nodes.knowledgeRetrieval.metadata.panel.add', { ns: 'workflow' })}
        </Button>
      </PortalToFollowElemTrigger>
      <PortalToFollowElemContent className="z-10">
        <div className="w-[320px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg">
          <div className="p-2 pb-1">
            <Input
              showLeftIcon
              placeholder={t('nodes.knowledgeRetrieval.metadata.panel.search', { ns: 'workflow' })}
              value={searchText}
              onChange={e => setSearchText(e.target.value)}
            />
          </div>
          <div className="p-1">
            {
              filteredMetadataList?.map(metadata => (
                <div
                  key={metadata.name}
                  className="system-sm-medium flex h-6 cursor-pointer items-center rounded-md px-3 text-text-secondary hover:bg-state-base-hover"
                >
                  <div className="mr-1 p-[1px]">
                    <MetadataIcon type={metadata.type} />
                  </div>
                  <div
                    className="grow truncate"
                    title={metadata.name}
                    onClick={() => handleAddConditionWrapped(metadata)}
                  >
                    {metadata.name}
                  </div>
                  <div className="system-xs-regular shrink-0 text-text-tertiary">{metadata.type}</div>
                </div>
              ))
            }
          </div>
        </div>
      </PortalToFollowElemContent>
    </PortalToFollowElem>
  )
}

export default AddCondition
