import {z} from 'zod'

export type GetApiQuestionnaireResponsesIdHandoutArgs = {id: string};

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

export const handoutContentMode = z.number().int();

export const handoutAcknowledgementEvidenceDto = z.object({acknowledgedAt: z.string().nullable().optional(), signerName: z.string().nullable().optional(), signature: z.string().nullable().optional(), intentText: z.string().nullable().optional(), intentAffirmed: z.boolean().nullable().optional(), channel: z.string().nullable().optional(), ipAddress: z.string().nullable().optional(), userAgent: z.string().nullable().optional(), deviceName: z.string().nullable().optional(), capturedByName: z.string().nullable().optional()});

export const handoutResponseViewDto = z.object({responseId: z.string().optional(), questionnaireId: z.string().optional(), questionnaireName: z.string().optional(), version: z.union([z.number().int(), z.string()]).optional(), contentMode: handoutContentMode.optional(), fileName: z.string().nullable().optional(), url: z.string().nullable().optional(), urlExpiresAt: z.string().nullable().optional(), authoredSchema: z.string().nullable().optional(), acknowledgement: handoutAcknowledgementEvidenceDto.nullable().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
};

/**
 * Exactly what a sent handout showed the client (ITE-1477): the version its link was pinned
 * to, as a short-lived PDF URL or the authored snapshot, and the acknowledgement evidence.
 * Patients or Settings, like the signed consent PDF: the evidence carries the signer's
 * address and device. (The drawn signature itself is also in the response's answers, which
 * GET {id} serves to any staff user, as it always has for every form.)
 * 
 * GET /QuestionnaireResponses/{id}/handout
 */
export const getApiQuestionnaireResponsesIdHandout = async (args: GetApiQuestionnaireResponsesIdHandoutArgs, options?: GetApiQuestionnaireResponsesIdHandoutOptions) => {
const {baseUrl = "https://api.clinicos.vet/backend/business", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/QuestionnaireResponses/${encodeURIComponent(String(args.id))}/handout${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(handoutResponseViewDto, await res.json())
};