import {z} from 'zod'

export type GetApiAppelementsDDidWWidEEidBlobBidArgs = {did: string, wid: string, eid: string, bid: string, contentDisposition?: string | undefined, 'If-None-Match'?: string | undefined, transactionId?: string | undefined, changeId?: string | undefined};

export type GetApiAppelementsDDidWWidEEidBlobBidOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiAppelementsDDidWWidEEidBlobBidResponse = z.string();

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
};

/**
 * Download the blob element (i.e., a file) stored in an app element in a document's workspace.
 * 
 * GET /appelements/d/{did}/w/{wid}/e/{eid}/blob/{bid}
 */
export const getApiAppelementsDDidWWidEEidBlobBid = async (args: GetApiAppelementsDDidWWidEEidBlobBidArgs, options?: GetApiAppelementsDDidWWidEEidBlobBidOptions) => {
const {baseUrl = "https://api.onshape.com/api/v17", fetch: fetchFn = fetch, OAuth2, BasicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json;charset=UTF-8; qs=0.09")

if (args.contentDisposition != null) query.append("contentDisposition", String(args.contentDisposition))
if (args['If-None-Match'] != null) headers.set("If-None-Match", String(args['If-None-Match']))
if (args.transactionId != null) query.append("transactionId", String(args.transactionId))
if (args.changeId != null) query.append("changeId", String(args.changeId))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/appelements/d/${encodeURIComponent(String(args.did))}/w/${encodeURIComponent(String(args.wid))}/e/${encodeURIComponent(String(args.eid))}/blob/${encodeURIComponent(String(args.bid))}${query.size > 0 ? `?${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(getApiAppelementsDDidWWidEEidBlobBidResponse, await res.json())
};