import {z} from 'zod'

export type SubmitQuestionnaireResponseRequest = {token: string, responses: string, submittedBy?: (string | null) | undefined, schemaVersion?: (number | unknown | null) | undefined, signerName?: (string | null) | undefined};

export type CreateApiPublicQuestionnairesSubmitArgs = {body: SubmitQuestionnaireResponseRequest};

export type CreateApiPublicQuestionnairesSubmitOptions = {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 questionnaireListItemDto = 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(), version: z.union([z.number().int(), z.string()]).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), automationCount: z.union([z.number().int(), z.string()]).optional()});

export const patientSummaryDto = z.object({id: z.string().optional(), name: z.string().optional(), species: z.string().optional(), speciesId: z.string().nullable().optional(), breed: z.string().optional(), sex: z.string().optional(), dateOfBirth: z.string().nullable().optional(), isEstimatedAge: z.boolean().optional(), fixed: z.boolean().optional(), treatmentAcceptanceRate: z.union([z.number(), z.string()]).nullable().optional()});

export const clientSummaryDto = z.object({id: z.string().optional(), firstName: z.string().optional(), lastName: z.string().optional(), email: z.string().nullable().optional(), phoneNumber: z.string().nullable().optional()});

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

export const questionnaireResponseDto = z.object({id: z.string().optional(), questionnaireId: z.string().optional(), questionnaire: questionnaireListItemDto.nullable().optional(), patientId: z.string().nullable().optional(), patient: patientSummaryDto.nullable().optional(), clientId: z.string().nullable().optional(), client: clientSummaryDto.nullable().optional(), appointmentId: z.string().nullable().optional(), responses: z.string().optional(), status: questionnaireResponseStatus.optional(), submittedAt: z.string().nullable().optional(), submittedBy: z.string().nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), readAt: z.string().nullable().optional(), customAttributes: z.string().nullable().optional(), linkExpiresAt: z.string().nullable().optional(), linkFirstViewedAt: z.string().nullable().optional(), handoutVersion: z.union([z.number().int(), z.string()]).nullable().optional(), deliveryMethod: z.string().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
};

/**
 * Submit a questionnaire response via public token (no authentication required)
 * 
 * POST /public/questionnaires/submit
 */
export const createApiPublicQuestionnairesSubmit = async (args: CreateApiPublicQuestionnairesSubmitArgs, options?: CreateApiPublicQuestionnairesSubmitOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/public/questionnaires/submit${query.size > 0 ? `?${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(questionnaireResponseDto, await res.json())
};