import {z} from 'zod'

export type GetApiReferencesAirportsAirportCodeArgs = {Accept: string, airportCode: string, lang?: string | undefined, limit?: string | undefined, offset?: string | undefined, LHoperated?: boolean | undefined};

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

export const coordinate = z.object({Latitude: z.number().optional(), Longitude: z.number().optional()});

export const name = z.object({"@LanguageCode": z.string().optional(), $: z.string().optional()});

export const airport = z.object({AirportCode: z.string().optional(), Position: z.object({Coordinate: coordinate.optional()}).optional(), CityCode: z.string().optional(), CountryCode: z.string().optional(), LocationType: z.string().optional(), Names: z.object({Name: z.array(name).optional()}).optional(), UtcOffset: z.number().optional(), TimeZoneId: z.string().optional()});

export const link = z.object({"@Href": z.string().optional(), "@Rel": z.string().optional()});

export const airportResource = z.object({Airports: z.object({Airport: airport.optional()}).optional(), Meta: z.object({"@Version": z.string().optional(), Link: z.array(link).optional(), TotalCount: z.number().int().optional()}).optional()});

export const airportResponse = z.object({AirportResource: airportResource.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
};

/**
 * Airports
 * 
 * GET /references/airports/{airportCode}
 */
export const getApiReferencesAirportsAirportCode = async (args: GetApiReferencesAirportsAirportCodeArgs, options?: GetApiReferencesAirportsAirportCodeOptions) => {
const {baseUrl = "https://api.lufthansa.com/v1", fetch: fetchFn = fetch, auth} = options ?? {}

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

if (args.Accept != null) headers.set("Accept", String(args.Accept))
if (args.lang != null) query.append("lang", String(args.lang))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.LHoperated != null) query.append("LHoperated", String(args.LHoperated))
if (auth !== undefined) headers.set('authorization', `Bearer ${auth}`)

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