import {z} from 'zod'

export type GetApiMjTaskResultFetchArgs = {result: string, Authorization?: string | undefined};

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

export const getApiMjTaskResultFetchResponse = z.object({action: z.string(), description: z.string(), failReason: z.string(), finishTime: z.number().int(), id: z.string(), imageUrl: z.string(), progress: z.string(), prompt: z.string(), promptEn: z.string(), properties: z.object({}), startTime: z.number().int(), status: z.string(), submitTime: 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
};

/**
 * 图片进度查询
 * 
 * GET /mj/task/{result}/fetch
 */
export const getApiMjTaskResultFetch = async (args: GetApiMjTaskResultFetchArgs, options: GetApiMjTaskResultFetchOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/mj/task/${encodeURIComponent(String(args.result))}/fetch${query.size > 0 ? `?${query}` : ''}`

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

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

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