import {z} from 'zod'

export type GetApiReferencesRfCodeArgs = {rf_code: string, with_nested?: boolean | undefined, create_parquet?: boolean | undefined};

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

export const reference = z.object({rf_code: z.string().optional(), rf_label: z.string().optional(), short_name: z.string().optional(), full_citation: z.string().optional(), reference_type: z.string().optional(), title: z.string().optional(), publication_date: z.string().optional(), total_pages: z.number().int().optional(), publisher: z.string().optional(), publication_place: z.string().optional(), degree: z.string().optional(), isbn: z.string().optional(), url: z.string().optional(), doi: z.string().optional(), journal: z.string().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 reference
 * 
 * GET /references/{rf_code}
 */
export const getApiReferencesRfCode = async (args: GetApiReferencesRfCodeArgs, options?: GetApiReferencesRfCodeOptions) => {
const {baseUrl = "https://api.vegbank.org", fetch: fetchFn = fetch} = options ?? {}

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

if (args.with_nested != null) query.append("with_nested", String(args.with_nested))
if (args.create_parquet != null) query.append("create_parquet", String(args.create_parquet))

const url = `${baseUrl.replace(/\/+$/, '')}/references/${encodeURIComponent(String(args.rf_code))}${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(reference, await res.json())
};