import {z} from 'zod'

export type FormHandoffItemRequest = {questionnaireId: string | null, patientId: string | null};

export type FormHandoffTargetKind = 'Device' | 'Qr';

export type FormHandoffTargetRequest = {kind: FormHandoffTargetKind, deviceId: string | null};

export type CreateFormHandoffRequest = {items: Array<FormHandoffItemRequest> | null, target: FormHandoffTargetRequest | null};

export type CreateApiAppointmentsAppointmentIdFormHandoffsArgs = {appointmentId: string, body: CreateFormHandoffRequest};

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

export const formHandoffStatus = z.enum(["Pending", "Opened", "Completed", "Cancelled", "Expired"]);

export const formHandoffTargetKind = z.enum(["Device", "Qr"]);

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

export const formHandoffItemDto = z.object({id: z.string(), order: z.union([z.number().int(), z.string()]), questionnaireId: z.string(), questionnaireName: z.string(), questionnaireType: questionnaireType, patientId: z.string().nullable(), patientName: z.string().nullable(), questionnaireResponseId: z.string(), submittedAt: z.string().nullable()});

export const formHandoffQrDto = z.object({url: z.string(), expiresAt: z.string()});

export const formHandoffDto = z.object({id: z.string(), appointmentId: z.string(), clientId: z.string(), status: formHandoffStatus, targetKind: formHandoffTargetKind, targetDeviceId: z.string().nullable(), targetDeviceName: z.string().nullable(), launchedByUserId: z.string().nullable(), expiresAt: z.string(), createdAt: z.string(), openedAt: z.string().nullable(), completedAt: z.string().nullable(), cancelledAt: z.string().nullable(), items: z.array(formHandoffItemDto), qr: formHandoffQrDto.nullable().optional(), cancelledByUserId: 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
};

/**
 * Creates the forms for the visit, without sending anything, and targets a tablet or QR.
 * 
 * POST /appointments/{appointmentId}/form-handoffs
 */
export const createApiAppointmentsAppointmentIdFormHandoffs = async (args: CreateApiAppointmentsAppointmentIdFormHandoffsArgs, options?: CreateApiAppointmentsAppointmentIdFormHandoffsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/appointments/${encodeURIComponent(String(args.appointmentId))}/form-handoffs${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(formHandoffDto, await res.json())
};