import {z} from 'zod'

export type GetApiReferralsArgs = {status?: string | undefined, partnerId?: string | undefined, patientId?: string | undefined, search?: string | undefined, skip?: (number | unknown) | undefined, take?: (number | unknown) | undefined};

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

export const referralPatientSummaryDto = z.object({id: z.string().optional(), name: z.string().optional(), species: z.string().nullable().optional(), breed: z.string().nullable().optional(), ownerName: z.string().nullable().optional()});

export const partnerSummaryDto = z.object({id: z.string().optional(), clinicName: z.string().optional(), type: z.string().optional()});

export const referralUserSummaryDto = z.object({id: z.string().optional(), name: z.string().optional(), role: z.string().nullable().optional()});

export const referralDto = z.object({id: z.string().optional(), patientId: z.string().optional(), patient: referralPatientSummaryDto.nullable().optional(), fromPartnerId: z.string().nullable().optional(), fromPartner: partnerSummaryDto.nullable().optional(), toPartnerId: z.string().nullable().optional(), toPartner: partnerSummaryDto.nullable().optional(), referringVetName: z.string().nullable().optional(), referringVetEmail: z.string().nullable().optional(), referringClinicName: z.string().nullable().optional(), specialty: z.string().optional(), status: z.string().optional(), urgency: z.string().optional(), reasonForReferral: z.string().nullable().optional(), clinicalNotes: z.string().nullable().optional(), diagnosisCode: z.string().nullable().optional(), referralDate: z.string().optional(), scheduledDate: z.string().nullable().optional(), completedDate: z.string().nullable().optional(), assignedVetId: z.string().nullable().optional(), assignedVet: referralUserSummaryDto.nullable().optional(), documentCount: z.union([z.number().int(), z.string()]).optional(), unreadMessageCount: z.union([z.number().int(), z.string()]).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), pendingPatientName: z.string().nullable().optional(), pendingSpecies: z.string().nullable().optional(), pendingBreed: z.string().nullable().optional(), pendingOwnerName: z.string().nullable().optional(), pendingOwnerPhone: z.string().nullable().optional(), pendingOwnerEmail: z.string().nullable().optional(), scheduleItemId: z.string().nullable().optional(), threadId: z.string().nullable().optional()});

export const referralListResponseDto = z.object({data: z.array(referralDto).optional(), totalCount: z.union([z.number().int(), z.string()]).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 list of referrals with optional filters
 * 
 * GET /Referrals
 */
export const getApiReferrals = async (args: GetApiReferralsArgs, options?: GetApiReferralsOptions) => {
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 (args.status != null) query.append("status", String(args.status))
if (args.partnerId != null) query.append("partnerId", String(args.partnerId))
if (args.patientId != null) query.append("patientId", String(args.patientId))
if (args.search != null) query.append("search", String(args.search))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.take != null) query.append("take", String(args.take))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/Referrals${query.size > 0 ? `?${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(referralListResponseDto, await res.json())
};