import {z} from 'zod'

export type IssueHandoutRefDto = {questionnaireId: string, attachPdf?: boolean | undefined};

export type IssueHandoutLinksRequestDto = {clientId: string, patientId?: (string | null) | undefined, channel: string, handouts: Array<IssueHandoutRefDto>};

export type CreateApiQuestionnairesHandoutsIssueLinksArgs = {body: IssueHandoutLinksRequestDto};

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

export const issuedHandoutLinkDto = z.object({questionnaireId: z.string(), name: z.string(), url: z.string(), responseId: z.string(), linkId: z.string(), handoutVersion: z.union([z.number().int(), z.string()]).nullable().optional(), stagedAttachmentId: z.string().nullable().optional()});

export const issueHandoutLinksResultDto = z.object({success: z.boolean().optional(), errorMessage: z.string().nullable().optional(), links: z.array(issuedHandoutLinkDto).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
};

/**
 * Issue links for the handouts in a client message that is sending now (ITE-1590): one
 * response and pinned link each, created exactly as `send` creates them, with no
 * invitation — Orchestrate's message carries the links. Internal only: called by the
 * Orchestrate send path, never by the browser (a preview or render must not create links).
 * 
 * POST /Questionnaires/handouts/issue-links
 */
export const createApiQuestionnairesHandoutsIssueLinks = async (args: CreateApiQuestionnairesHandoutsIssueLinksArgs, options?: CreateApiQuestionnairesHandoutsIssueLinksOptions) => {
const {baseUrl = "https://api.clinicos.vet/backend/business", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/Questionnaires/handouts/issue-links${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(issueHandoutLinksResultDto, await res.json())
};