import {z} from 'zod'

export type GetApiApiVaccinationsSchedulePatientIdArgs = {patientId: string};

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

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

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

export const patientVaccineScheduleEntryDto = z.object({vaccineTypeId: z.string().optional(), code: z.string().optional(), name: z.string().optional(), isCore: z.boolean().optional(), isRabies: z.boolean().optional(), countsTowardStatus: z.boolean().optional(), isSpeciesMismatch: z.boolean().optional(), status: vaccineScheduleEntryStatus.optional(), lastDoseDate: z.string().nullable().optional(), lastDoseRecordId: z.string().nullable().optional(), lastDoseVaccineName: z.string().nullable().optional(), nextDueDate: z.string().nullable().optional(), exemptionId: z.string().nullable().optional(), skipReason: z.string().nullable().optional(), skippedAt: z.string().nullable().optional(), skippedByName: z.string().nullable().optional()});

export const patientVaccineScheduleDto = z.object({patientId: z.string().optional(), species: z.string().optional(), overallStatus: vaccinationStatus.optional(), entries: z.array(patientVaccineScheduleEntryDto).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
};

/**
 * The computed vaccine schedule for a patient: core requirements for their species plus other
 * vaccines on file, each with last dose, next due, and standing — the explanation behind the
 * patient's VaccinationStatus badge (ITE-685).
 * 
 * GET /api/Vaccinations/schedule/{patientId}
 */
export const getApiApiVaccinationsSchedulePatientId = async (args: GetApiApiVaccinationsSchedulePatientIdArgs, options?: GetApiApiVaccinationsSchedulePatientIdOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/api/Vaccinations/schedule/${encodeURIComponent(String(args.patientId))}${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(patientVaccineScheduleDto, await res.json())
};