import {z} from 'zod'

export type GetApiApi20AllergiesArgs = {limit?: number | undefined, offset?: number | undefined, order_by?: string | undefined, patient?: Array<number> | undefined};

export type GetApiApi20AllergiesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const patientAllergySeverityEnum = z.enum(["mild", "moderate", "severe", "unknown"]);

export const allergyStatus = z.enum(["Active", "Inactive"]);

export const patientAllergy = z.object({created_date: z.string().nullable().optional(), deleted_date: z.string().nullable().optional(), id: z.number().int().optional(), medispandnid: z.string().optional(), medispanid: z.string().optional(), name: z.string(), patient: z.number().int(), reaction: z.string().max(200).nullable().optional(), severity: patientAllergySeverityEnum.optional(), start_date: z.string().nullable().optional(), status: allergyStatus.optional()});

export const paginatedPatientAllergyList = z.object({count: z.number().int().optional(), next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(patientAllergy)});

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
};

/**
 * List Allergies
 * 
 * GET /api/2.0/allergies/
 */
export const getApiApi20Allergies = async (args: GetApiApi20AllergiesArgs, options?: GetApiApi20AllergiesOptions) => {
const {baseUrl = "https://sandbox.elationemr.com/api/2.0", fetch: fetchFn = fetch, oauth2} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.order_by != null) query.append("order_by", String(args.order_by))
if (args.patient != null) query.append("patient", args.patient.join(','))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/2.0/allergies/${query.size > 0 ? `?${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(paginatedPatientAllergyList, await res.json())
};