import {z} from 'zod'

export type CreateApiXlistRestoreArgs = {keep?: boolean | undefined, list_id_prefix?: string | undefined, list_id_suffix?: string | undefined, src?: string | undefined, src_file?: string | undefined};

export type CreateApiXlistRestoreOptions = {baseUrl: string, jwt?: string | undefined, fetch?: typeof fetch | undefined};

export const rankdbRestoreresult = z.object({errors: z.record(z.string(), z.unknown()), restored: z.number().int(), skipped: z.number().int()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Restore lists
 * 
 * POST /xlist/restore
 */
export const createApiXlistRestore = async (args: CreateApiXlistRestoreArgs, options: CreateApiXlistRestoreOptions) => {
const {baseUrl, fetch: fetchFn = fetch, jwt} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/vnd.rankdb.restoreresult+json")

if (args.keep != null) query.append("keep", String(args.keep))
if (args.list_id_prefix != null) query.append("list_id_prefix", String(args.list_id_prefix))
if (args.list_id_suffix != null) query.append("list_id_suffix", String(args.list_id_suffix))
if (args.src != null) query.append("src", String(args.src))
if (args.src_file != null) query.append("src_file", String(args.src_file))
if (jwt !== undefined) headers.set("Authorization", jwt)

const url = `${baseUrl.replace(/\/+$/, '')}/xlist/restore${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(rankdbRestoreresult, await res.json())
};