import {z} from 'zod'

export type GetApiTreatmentsAllSinceArgs = {since: number};

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

export const prescriptionReferenceDto = z.object({caption: z.string().optional(), uuid: z.string()});

export const therapyReferenceDto = z.object({caption: z.string().optional(), uuid: z.string()});

export const treatmentDto = z.object({additionalNotes: z.string().max(4096).optional(), changeDate: z.string().optional(), creationDate: z.string().optional(), dose: z.string().max(512).optional(), executingClinician: z.string().max(512).optional(), inJurisdiction: z.boolean().optional(), prescription: prescriptionReferenceDto.optional(), pseudonymized: z.boolean().optional(), route: z.enum(["ORAL", "IV", "RECTAL", "TOPICAL", "OTHER"]).optional(), routeDetails: z.string().max(512).optional(), therapy: therapyReferenceDto.optional(), treatmentDateTime: z.string().optional(), treatmentDetails: z.string().max(512).optional(), treatmentType: z.enum(["DRUG_INTAKE", "ORAL_REHYDRATION_SALTS", "BLOOD_TRANSFUSION", "RENAL_REPLACEMENT_THERAPY", "IV_FLUID_THERAPY", "OXYGEN_THERAPY", "INVASIVE_MECHANICAL_VENTILATION", "VASOPRESSORS_INOTROPES", "OTHER"]).optional(), typeOfDrug: z.enum(["ANTIMICROBIAL", "ANTIVIRAL", "ANTIBIOTIC", "OTHER"]).optional(), uuid: z.string().min(20).max(36).optional()});

export const getApiTreatmentsAllSinceResponse = z.array(treatmentDto);

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 /treatments/all/{since}
 */
export const getApiTreatmentsAllSince = async (args: GetApiTreatmentsAllSinceArgs, options: GetApiTreatmentsAllSinceOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json; charset=UTF-8")

const url = `${baseUrl.replace(/\/+$/, '')}/treatments/all/${encodeURIComponent(String(args.since))}${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(getApiTreatmentsAllSinceResponse, await res.json())
};