import type { PickerAdapter } from '../types/filePicker'
import type {
  FileBrowserLocation,
  FileDirectoryListing,
  FileDirectoryTree,
  FileSearchResult,
  ServerMount,
} from '../types/fileBrowserTypes'
import type { PickerRequest } from '../types/filePicker'
import { useApi } from './useApi'
import { getInjectedPlatformContext } from './platformContextHelpers'
import { createFilePickerAdapter, type FilePickerAdapterOptions } from './createFilePickerAdapter'

export { encodePlatformPickerPath, decodePlatformPickerPath } from './createFilePickerAdapter'

function query(location: FileBrowserLocation, request?: PickerRequest): URLSearchParams {
  const params = new URLSearchParams({ mount_id: location.mount_id, path: location.path })
  if (request?.refresh) params.set('refresh', 'true')
  return params
}

/** Adapt the authenticated MINT mount API without exposing absolute host paths. */
export function usePlatformFilePickerAdapter(
  options: FilePickerAdapterOptions & { apiBaseUrl?: string } = {},
): PickerAdapter {
  const api = useApi({
    baseUrl: options.apiBaseUrl ?? getInjectedPlatformContext()?.platformApiUrl,
  })
  return createFilePickerAdapter({
    async listMounts(request) {
      try {
        const url = `/filesystem/mounts${request?.refresh ? '?refresh=true' : ''}`
        const { mounts } = await api.get<{ mounts: ServerMount[] }>(url, {
          signal: request?.signal,
        })
        return mounts
      } catch (cause) {
        if ((cause as { response?: { status?: number } }).response?.status === 404) return []
        throw cause
      }
    },
    browse(location, request) {
      return api.get<FileDirectoryListing>(`/filesystem/browse?${query(location, request)}`, {
        signal: request?.signal,
      })
    },
    tree(location, request) {
      return api.get<FileDirectoryTree>(`/filesystem/tree?${query(location, request)}`, {
        signal: request?.signal,
      })
    },
    search(location, text, recursive, request) {
      const params = query(location, request)
      params.set('q', text)
      params.set('recursive', String(recursive))
      return api.get<FileSearchResult>(`/filesystem/search?${params}`, { signal: request?.signal })
    },
  }, options)
}