import {z} from 'zod'

export type GetApiMedicalDbV1DrugsAndLabsArgs = {q: string, limit?: number | undefined, s_type?: ('drug' | 'lab') | undefined};

export type GetApiMedicalDbV1DrugsAndLabsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const dosage6a07bef = z.object({unit: z.string().optional(), unit_name: z.string().optional(), unit_id: z.string().optional(), dosage: z.string().optional(), dosage_form: z.string(), df_id: z.string(), days: z.string().optional(), food: z.string().optional()});

export const drugB6c8896 = z.object({id: z.string(), name: z.string(), manufacturer_name: z.string(), product_type: z.string(), product_sku: z.string().optional(), generic_name: z.string(), generic_id: z.string(), dosage: dosage6a07bef.optional(), action_class: z.record(z.string(), z.unknown()).optional(), common_name: z.string(), soa: z.boolean(), drug_name_match: z.boolean(), include_suggestion: z.boolean().optional(), highlighted_fields: z.record(z.string(), z.unknown()).optional(), is_otc: z.boolean().optional()});

export const labTestE57b7a5 = z.object({id: z.string(), name: z.string(), description: z.string().optional(), category: z.string().optional(), price: z.number().optional(), preparation: z.string().optional()});

export const searchResponseA9993e3 = z.object({drugs: z.array(drugB6c8896), lab_tests: z.array(labTestE57b7a5)});

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 Drugs and Laboratory Tests
 * 
 * GET /medical-db/v1/drugs-and-labs
 */
export const getApiMedicalDbV1DrugsAndLabs = async (args: GetApiMedicalDbV1DrugsAndLabsArgs, options?: GetApiMedicalDbV1DrugsAndLabsOptions) => {
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/drugs-and-labs${query.size > 0 ? `?${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(searchResponseA9993e3, await res.json())
};