import {z} from 'zod'

export type GetApiV1RequestsIdPdfBase64Args = {id: number, 'request.request_id'?: number | undefined, 'request.request_template_id'?: number | undefined, 'request.special_message'?: string | undefined, 'request.attach_pdf_to_request'?: boolean | undefined};

export type GetApiV1RequestsIdPdfBase64Options = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const revAppComponentsLink = z.object({rel: z.string().optional(), href: z.string().optional()});

export const revAppModelsDownloadImageModel = z.object({file_image: z.string().optional(), file_name: z.string().optional(), length: z.number().int().optional(), file_id: z.number().int().optional(), links: z.array(revAppComponentsLink).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
};

/**
 * Download request PDF represented as a Base64-encoded string
 * 
 * GET /v1/Requests/{id}/pdf/base64
 */
export const getApiV1RequestsIdPdfBase64 = async (args: GetApiV1RequestsIdPdfBase64Args, options?: GetApiV1RequestsIdPdfBase64Options) => {
const {baseUrl = "https://restapi.rev.io", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (args['request.request_id'] != null) query.append("request.request_id", String(args['request.request_id']))
if (args['request.request_template_id'] != null) query.append("request.request_template_id", String(args['request.request_template_id']))
if (args['request.special_message'] != null) query.append("request.special_message", String(args['request.special_message']))
if (args['request.attach_pdf_to_request'] != null) query.append("request.attach_pdf_to_request", String(args['request.attach_pdf_to_request']))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/Requests/${encodeURIComponent(String(args.id))}/pdf/base64${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(revAppModelsDownloadImageModel, await res.json())
};