import {z} from 'zod'

export type GetApiMedicalDbV1SymAndDiagArgs = {q: string, limit?: number | undefined, s_type?: ('symptom' | 'diagnosis') | undefined};

export type GetApiMedicalDbV1SymAndDiagOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const symptomB6c8896 = z.object({id: z.string(), name: z.string(), common_name: z.string()});

export const diagnosisE57b7a5 = z.object({id: z.string(), name: z.string(), common_name: z.string(), icd10_code: z.string(), icd10_name: z.string()});

export const symptomsAndDiagnosesResponseA9993e3 = z.object({symptoms: z.array(symptomB6c8896), diagnoses: z.array(diagnosisE57b7a5)});

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
};

/**
 * Search Symptoms and Diagnoses
 * 
 * GET /medical-db/v1/sym-and-diag
 */
export const getApiMedicalDbV1SymAndDiag = async (args: GetApiMedicalDbV1SymAndDiagArgs, options?: GetApiMedicalDbV1SymAndDiagOptions) => {
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.q != null) query.append("q", String(args.q))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.s_type != null) query.append("s_type", String(args.s_type))

const url = `${baseUrl.replace(/\/+$/, '')}/medical-db/v1/sym-and-diag${query.size > 0 ? `?${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(symptomsAndDiagnosesResponseA9993e3, await res.json())
};