import {z} from 'zod'

export type CreateApiV1ItemsItemIdImagesKeyRefreshArgs = {itemId: number, key: string, Account: unknown};

export type CreateApiV1ItemsItemIdImagesKeyRefreshOptions = {baseUrl: string, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const imageRefreshOutcome = z.union([z.literal(0), z.literal(1), z.literal(2)]);

export const refreshItemImageResponse = z.object({imageKey: z.string().nullable().optional(), outcome: imageRefreshOutcome.optional(), reason: z.string().nullable().optional()});

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
};

/**
 * Refresh a URL-sourced item image: re-fetch its source URL and, if the content changed, store a
 * new variant set and remove the old. Returns the outcome (refreshed / unchanged / failed-with-reason).
 * This is the only retry path for a previously failed ingest.
 * 
 * POST /v1/Items/{itemId}/images/{key}/refresh
 */
export const createApiV1ItemsItemIdImagesKeyRefresh = async (args: CreateApiV1ItemsItemIdImagesKeyRefreshArgs, options: CreateApiV1ItemsItemIdImagesKeyRefreshOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.Account != null) query.append("Account", String(args.Account))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/Items/${encodeURIComponent(String(args.itemId))}/images/${encodeURIComponent(String(args.key))}/refresh${query.size > 0 ? `?${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(refreshItemImageResponse, await res.json())
};