import {z} from 'zod'

export type GetApiApiV1DataDistributionObservatoriesArgs = {instrument_array: 'norstar_riometer' | 'rego' | 'smile_asi' | 'swan_hsr' | 'themis_asi' | 'trex_blue' | 'trex_nir' | 'trex_rgb' | 'trex_spectrograph', uid?: (string | null) | undefined};

export type GetApiApiV1DataDistributionObservatoriesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const observatory = z.object({uid: z.string(), full_name: z.string(), geodetic_latitude: z.number(), geodetic_longitude: z.number()});

export const getApiApiV1DataDistributionObservatoriesResponse = z.array(observatory);

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
};

/**
 * Retrieve information about observatories
 * 
 * GET /api/v1/data_distribution/observatories
 */
export const getApiApiV1DataDistributionObservatories = async (args: GetApiApiV1DataDistributionObservatoriesArgs, options: GetApiApiV1DataDistributionObservatoriesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.instrument_array != null) query.append("instrument_array", String(args.instrument_array))
if (args.uid != null) query.append("uid", String(args.uid))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/data_distribution/observatories${query.size > 0 ? `?${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(getApiApiV1DataDistributionObservatoriesResponse, await res.json())
};