import {z} from 'zod'

export type GetApiEkaMcpMedicationsV1SearchArgs = {drug_name?: string | undefined, form?: string | undefined, generic_names?: string | undefined, volumes?: string | undefined};

export type GetApiEkaMcpMedicationsV1SearchOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const medicationListA9993e3Medication = z.object({name: z.string(), generic_name: z.string(), manufacturer_name: z.string(), product_type: z.string()});

export const medicationListA9993e3 = z.array(medicationListA9993e3Medication);

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 Medications
 * 
 * GET /eka-mcp/medications/v1/search
 */
export const getApiEkaMcpMedicationsV1Search = async (args: GetApiEkaMcpMedicationsV1SearchArgs, options?: GetApiEkaMcpMedicationsV1SearchOptions) => {
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.drug_name != null) query.append("drug_name", String(args.drug_name))
if (args.form != null) query.append("form", String(args.form))
if (args.generic_names != null) query.append("generic_names", String(args.generic_names))
if (args.volumes != null) query.append("volumes", String(args.volumes))

const url = `${baseUrl.replace(/\/+$/, '')}/eka-mcp/medications/v1/search${query.size > 0 ? `?${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(medicationListA9993e3, await res.json())
};