import {z} from 'zod'

export type AccountId = string;

export type UploadId = string;

export type UploadPartIndex = number;

export type GetApiV2AccountsAccountIdUploadsUploadIdPartsUploadPartIndexArgs = {accountId: AccountId, uploadId: UploadId, uploadPartIndex: UploadPartIndex};

export type GetApiV2AccountsAccountIdUploadsUploadIdPartsUploadPartIndexOptions = {baseUrl?: string | undefined, authorizationHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const uploadPartRange = z.object({inclusiveEnd: z.number().int().gte(-1), inclusiveStart: z.number().int().gte(0)});

export const uploadId = z.string().min(16).max(16);

export const uploadPartIndex = z.number().int().gte(0);

export const preSignedUploadUrl = z.string().min(10);

export const uploadPart = z.object({range: uploadPartRange, uploadId: uploadId, uploadPartIndex: uploadPartIndex, uploadUrl: preSignedUploadUrl});

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
};

/**
 * Gets a remaining upload part for a multipart file upload.
 * 
 * GET /v2/accounts/{accountId}/uploads/{uploadId}/parts/{uploadPartIndex}
 */
export const getApiV2AccountsAccountIdUploadsUploadIdPartsUploadPartIndex = async (args: GetApiV2AccountsAccountIdUploadsUploadIdPartsUploadPartIndexArgs, options?: GetApiV2AccountsAccountIdUploadsUploadIdPartsUploadPartIndexOptions) => {
const {baseUrl = "https://api.bytescale.com", fetch: fetchFn = fetch, authorizationHeader} = options ?? {}

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

if (authorizationHeader !== undefined) headers.set("Authorization", authorizationHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/accounts/${encodeURIComponent(String(args.accountId))}/uploads/${encodeURIComponent(String(args.uploadId))}/parts/${encodeURIComponent(String(args.uploadPartIndex))}${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(uploadPart, await res.json())
};