import {z} from 'zod'

export type GetApiAirportsIdWeatherForecastArgs = {id: string, timestamp?: string | undefined, return_nearby_weather?: boolean | undefined};

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

export const getApiAirportsIdWeatherForecastResponse = z.object({airport_code: z.string(), raw_forecast: z.array(z.string()), time: z.string(), decoded_forecast: z.object({start: z.string(), end: z.string(), lines: z.array(z.object({type: z.string(), start: z.string(), end: z.string().nullable(), turbulence_layers: z.string().nullable(), icing_layers: z.string().nullable(), barometric_pressure: z.number().gte(0).lte(100).nullable(), significant_weather: z.string().nullable(), winds: z.object({symbol: z.string(), direction: z.string(), speed: z.number().int(), units: z.string().nullable(), peak_gusts: z.number().int().nullable()}).nullable(), windshear: z.object({symbol: z.string(), height: z.string(), direction: z.string(), speed: z.string(), units: z.string().nullable()}).nullable(), visibility: z.object({symbol: z.string(), visibility: z.string(), units: z.string().nullable()}).nullable(), clouds: z.array(z.object({symbol: z.string(), coverage: z.enum(["null", "sky_clear", "few", "scattered", "broken", "overcast"]).nullable(), altitude: z.string().nullable(), special: z.string().nullable()}))}))}).nullable()});

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 weather forecast for given airport
 * 
 * GET /airports/{id}/weather/forecast
 */
export const getApiAirportsIdWeatherForecast = async (args: GetApiAirportsIdWeatherForecastArgs, options?: GetApiAirportsIdWeatherForecastOptions) => {
const {baseUrl = "https://aeroapi.flightaware.com/aeroapi", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json; charset=UTF-8")

if (args.timestamp != null) query.append("timestamp", String(args.timestamp))
if (args.return_nearby_weather != null) query.append("return_nearby_weather", String(args.return_nearby_weather))
if (ApiKeyAuth !== undefined) headers.set("x-apikey", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/airports/${encodeURIComponent(String(args.id))}/weather/forecast${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(getApiAirportsIdWeatherForecastResponse, await res.json())
};