import { openFileExplorer, joinPath, baseName } from '@janhq/core'
import { useAtomValue } from 'jotai'

import { getFileInfo } from '@/utils/file'

import { janDataFolderPathAtom } from '@/helpers/atoms/AppConfig.atom'
import { activeThreadAtom } from '@/helpers/atoms/Thread.atom'

export const usePath = () => {
  const janDataFolderPath = useAtomValue(janDataFolderPathAtom)
  const activeThread = useAtomValue(activeThreadAtom)

  const onRevealInFinder = async (path: string) => {
    const fullPath = await joinPath([janDataFolderPath, path])
    openFileExplorer(fullPath)
  }

  const onViewFile = async (id: string) => {
    if (!activeThread) return

    id = await baseName(id)

    // New ID System
    if (!id.startsWith('file-')) {
      const threadFilePath = await joinPath([
        janDataFolderPath,
        'threads',
        `${activeThread.id}/files`,
        id,
      ])
      openFileExplorer(threadFilePath)
    } else {
      id = id.split('.')[0]
      const fileName = (await getFileInfo(id)).filename
      const filesPath = await joinPath([janDataFolderPath, 'files', fileName])
      openFileExplorer(filesPath)
    }
  }

  const onViewFileContainer = async () => {
    if (!activeThread) return

    let filePath = undefined
    filePath = await joinPath(['threads', `${activeThread.id}/files`])
    if (!filePath) return
    const fullPath = await joinPath([janDataFolderPath, filePath])
    openFileExplorer(fullPath)
  }

  return {
    onRevealInFinder,
    onViewFile,
    onViewFileContainer,
  }
}