import {z} from 'zod'

export type GetApiPublicQuestionnairesTokenArgs = {token: string};

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

export const questionnaireType = z.enum(["Intake", "PreVisit", "PostVisit", "Satisfaction", "Custom", "NewClient", "AppointmentConfirmation", "Consent", "Handout"]);

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

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

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

export const handoutVersionSummaryDto = z.object({version: z.union([z.number().int(), z.string()]).optional(), contentMode: handoutContentMode.optional(), fileName: z.string().nullable().optional(), createdAt: z.string().optional()});

export const handoutSettingsDto = z.object({contentMode: handoutContentMode.optional(), acknowledgement: handoutAcknowledgement.optional(), currentVersion: handoutVersionSummaryDto.nullable().optional(), diagnosisKeys: z.array(z.string()).nullable().optional(), reviewIntervalMonths: z.union([z.number().int(), z.string()]).nullable().optional(), reviewOwnerUserId: z.string().nullable().optional(), reviewOwnerRoleId: z.string().nullable().optional(), lastReviewedAt: z.string().nullable().optional(), reviewDueAt: z.string().nullable().optional()});

export const questionnaireDto = z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().nullable().optional(), type: questionnaireType.optional(), status: questionnaireStatus.optional(), isTemplate: z.boolean().optional(), schema: z.string().optional(), version: z.union([z.number().int(), z.string()]).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), customAttributes: z.string().nullable().optional(), handout: handoutSettingsDto.nullable().optional()});

export const regionSettingsDto = z.object({regionCode: z.string().optional(), currencyCode: z.string().optional(), weightSystem: z.string().optional(), temperatureSystem: z.string().optional(), distanceSystem: z.string().optional()});

export const publicQuestionnaireDto = z.object({responseId: z.string().optional(), questionnaire: questionnaireDto.optional(), patientName: z.string().nullable().optional(), appointmentInfo: z.string().nullable().optional(), existingResponses: z.string().nullable().optional(), acknowledgedAt: z.string().nullable().optional(), region: regionSettingsDto.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
};

/**
 * Get a questionnaire by public token (no authentication required)
 * 
 * GET /public/questionnaires/{token}
 */
export const getApiPublicQuestionnairesToken = async (args: GetApiPublicQuestionnairesTokenArgs, options?: GetApiPublicQuestionnairesTokenOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/public/questionnaires/${encodeURIComponent(String(args.token))}${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(publicQuestionnaireDto, await res.json())
};