import {z} from 'zod'

export type GetApiAsyncRequestRequestIdArgs = {request_id: string};

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

export const asyncRequestError = z.object({code: z.enum(["MODEL_PREDICT_ERROR", "MODEL_PREDICT_TIMEOUT", "MODEL_NOT_READY", "MODEL_DOES_NOT_EXIST", "MODEL_UNAVAILABLE", "MODEL_INVALID_INPUT", "ASYNC_REQUEST_NOT_SUPPORTED", "INTERNAL_SERVER_ERROR"]), message: z.string()});

export const asyncRequestStatusResponse = z.object({request_id: z.string(), model_id: z.string().optional(), chain_id: z.string().optional(), deployment_id: z.string(), status: z.enum(["QUEUED", "IN_PROGRESS", "SUCCEEDED", "FAILED", "EXPIRED", "CANCELED", "WEBHOOK_FAILED"]), webhook_status: z.enum(["PENDING", "SUCCEEDED", "FAILED", "CANCELED", "NO_WEBHOOK_PROVIDED"]), created_at: z.string(), status_at: z.string(), errors: z.array(asyncRequestError)});

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
};

/**
 * Get the status of an async request.
 * 
 * GET /async_request/{request_id}
 */
export const getApiAsyncRequestRequestId = async (args: GetApiAsyncRequestRequestIdArgs, options: GetApiAsyncRequestRequestIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/async_request/${encodeURIComponent(String(args.request_id))}${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(asyncRequestStatusResponse, await res.json())
};