import {z} from 'zod'

export type NWSCenterWeatherServiceUnitId = 'ZAB' | 'ZAN' | 'ZAU' | 'ZBW' | 'ZDC' | 'ZDV' | 'ZFA' | 'ZFW' | 'ZHU' | 'ZID' | 'ZJX' | 'ZKC' | 'ZLA' | 'ZLC' | 'ZMA' | 'ZME' | 'ZMP' | 'ZNY' | 'ZOA' | 'ZOB' | 'ZSE' | 'ZTL';

export type Date = string;

export type GetApiAviationCwsusCwsuIdCwasDateSequenceArgs = {cwsuId: NWSCenterWeatherServiceUnitId, date: Date, sequence: number};

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

export const jsonLdContext = z.union([z.array(z.unknown()), z.object({})]);

export const geoJsonCoordinate = z.array(z.number());

export const geoJsonBoundingBox = z.array(z.number());

export const geoJsonLineString = z.array(geoJsonCoordinate);

export const geoJsonPolygon = z.array(z.array(geoJsonCoordinate));

export const geoJsonGeometry = z.union([z.object({type: z.literal("Point"), coordinates: geoJsonCoordinate, bbox: geoJsonBoundingBox.optional()}), z.object({type: z.literal("LineString"), coordinates: geoJsonLineString, bbox: geoJsonBoundingBox.optional()}), z.object({type: z.literal("Polygon"), coordinates: geoJsonPolygon, bbox: geoJsonBoundingBox.optional()}), z.object({type: z.literal("MultiPoint"), coordinates: z.array(geoJsonCoordinate), bbox: geoJsonBoundingBox.optional()}), z.object({type: z.literal("MultiLineString"), coordinates: z.array(geoJsonLineString), bbox: geoJsonBoundingBox.optional()}), z.object({type: z.literal("MultiPolygon"), coordinates: z.array(geoJsonPolygon), bbox: geoJsonBoundingBox.optional()})]).nullable();

export const nWSCenterWeatherServiceUnitId = z.enum(["ZAB", "ZAN", "ZAU", "ZBW", "ZDC", "ZDV", "ZFA", "ZFW", "ZHU", "ZID", "ZJX", "ZKC", "ZLA", "ZLC", "ZMA", "ZME", "ZMP", "ZNY", "ZOA", "ZOB", "ZSE", "ZTL"]);

export const centerWeatherAdvisoryGeoJson = z.object({"@context": jsonLdContext.optional(), id: z.string().optional(), type: z.literal("Feature"), geometry: geoJsonGeometry, properties: z.object({id: z.string().optional(), issueTime: z.string().optional(), cwsu: nWSCenterWeatherServiceUnitId.optional(), sequence: z.number().int().gte(101).optional(), start: z.string().optional(), end: z.string().optional(), observedProperty: z.string().optional(), text: 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
};

/**
 * Returns a list of Center Weather Advisories from a CWSU
 * 
 * GET /aviation/cwsus/{cwsuId}/cwas/{date}/{sequence}
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiAviationCwsusCwsuIdCwasDateSequence = async (args: GetApiAviationCwsusCwsuIdCwasDateSequenceArgs, options?: GetApiAviationCwsusCwsuIdCwasDateSequenceOptions) => {
const {baseUrl = "https://api.weather.gov", fetch: fetchFn = fetch, userAgent} = options ?? {}

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

if (userAgent !== undefined) headers.set("User-Agent", userAgent)

const url = `${baseUrl.replace(/\/+$/, '')}/aviation/cwsus/${encodeURIComponent(String(args.cwsuId))}/cwas/${encodeURIComponent(String(args.date))}/${encodeURIComponent(String(args.sequence))}${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(centerWeatherAdvisoryGeoJson, await res.json())
};