import { CID } from 'multiformats/cid'
import { toUrlSearchParams } from '../lib/to-url-search-params.ts'
import type { FilesAPI } from './index.ts'
import type { HTTPRPCClient } from '../lib/core.ts'

export function createFlush (client: HTTPRPCClient): FilesAPI['flush'] {
  return async function flush (path, options = {}) {
    if (typeof path !== 'string') {
      throw new Error('ipfs.files.flush requires a path')
    }

    const res = await client.post('files/flush', {
      signal: options.signal,
      searchParams: toUrlSearchParams({
        arg: path,
        ...options
      }),
      headers: options.headers
    })
    const data = await res.json()

    return CID.parse(data.Cid)
  }
}