import {z} from 'zod'

export type GetApiDrV1PrescriptionPrescriptionIdArgs = {auth: string, prescription_id: string};

export type GetApiDrV1PrescriptionPrescriptionIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiDrV1PrescriptionPrescriptionIdResponse = z.object({prescription_id: z.string().optional(), doctor_id: z.string().optional(), partner_doctor_id: z.string().optional(), doctor_name: z.string().optional(), patient_name: z.string().optional(), patient_id: z.string().optional(), partner_patient_id: z.string().optional(), appointment_id: z.string().optional(), partner_appointment_id: z.string().optional(), clinic_id: z.string().optional(), partner_clinic_id: z.string().optional(), prescription_details: z.array(z.union([z.object({resource_type: z.literal("appointment").optional(), follow_up: z.string().optional(), note: z.array(z.string()).optional()}), z.object({resource_type: z.literal("condition_history").optional(), condition: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), severity: z.string().optional(), onset: z.string().optional(), clinical_status: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), verification_status: z.object({code: z.string().optional(), display: z.string().optional()}).optional()}), z.object({resource_type: z.literal("condition").optional(), condition: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), severity: z.string().optional(), onset: z.string().optional(), clinical_status: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), verification_status: z.object({code: z.string().optional(), display: z.string().optional()}).optional()}), z.object({resource_type: z.literal("advices").optional(), advices: z.string().optional(), status: z.string().optional(), intent: z.string().optional()}), z.object({resource_type: z.literal("admission_advised").optional(), reason: z.string().optional(), note: z.string().optional()}), z.object({resource_type: z.literal("custom_section").optional(), title: z.string().optional(), note: z.array(z.object({name: z.string().optional(), value: z.string().optional()})).optional()}), z.object({resource_type: z.literal("servicerequest").optional(), lab_id: z.string().optional(), status: z.string().optional(), lab_name: z.string().optional(), note: z.array(z.string()).optional()}), z.object({resource_type: z.literal("observation").optional(), status: z.string().optional(), observation: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), severity: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), category: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), note: z.array(z.string()).optional()}), z.object({resource_type: z.literal("vitals").optional(), status: z.string().optional(), observation: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), since: z.object({type: z.string().optional(), start: z.string().optional()}).optional(), severity: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), category: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), valueQuantity: z.object({system: z.string().optional(), unit: z.string().optional(), value: z.number().optional()}).optional(), component: z.array(z.object({})).optional()}), z.object({resource_type: z.literal("lifestyle").optional(), status: z.string().optional(), observation: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), severity: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), category: z.object({code: z.string().optional(), display: z.string().optional()}).optional(), note: z.array(z.string()).optional()}), z.object({resource_type: z.literal("medicationrequest").optional(), drug_id: z.string().optional(), drug_status: z.string().optional(), med_name: z.string().optional(), dose: z.object({id: z.string().optional(), value: z.number().optional(), unit: z.string().optional(), custom: z.string().optional()}).optional(), additional_instructions: z.array(z.object({custom: z.string().optional(), type: z.string().optional()})).optional(), duration: z.object({unit: z.string().optional(), value: z.string().optional(), custom: z.string().optional()}).optional(), dosage_instruction: z.object({custom: z.string().optional(), when: z.string().optional(), period: z.string().optional(), period_unit: z.string().optional(), frequency: z.string().optional()}).optional(), note: z.string().optional()})])).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 Prescription details
 * 
 * GET /dr/v1/prescription/{prescription_id}
 */
export const getApiDrV1PrescriptionPrescriptionId = async (args: GetApiDrV1PrescriptionPrescriptionIdArgs, options?: GetApiDrV1PrescriptionPrescriptionIdOptions) => {
const {baseUrl = "https://api.eka.care", fetch: fetchFn = fetch} = options ?? {}

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

if (args.auth != null) headers.set("auth", String(args.auth))

const url = `${baseUrl.replace(/\/+$/, '')}/dr/v1/prescription/${encodeURIComponent(String(args.prescription_id))}${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(getApiDrV1PrescriptionPrescriptionIdResponse, await res.json())
};