import {z} from 'zod'

export type GetApiRegionBylocationLatitudeLongitudeArgs = {latitude: number, longitude: number, limit?: number | undefined, skip?: number | undefined};

export type GetApiRegionBylocationLatitudeLongitudeOptions = {baseUrl?: string | undefined, ApplicationSecret?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

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

export const coordinatesRing = z.array(coordinates);

export const polygon = z.object({coordinates: z.array(coordinatesRing), type: z.literal("Polygon")});

export const point = z.object({coordinates: coordinates, type: z.literal("Point")});

export const regionModel = z.object({tags: z.array(z.string()).optional(), address: z.string().optional(), country: z.string().optional(), advancedGeometry: polygon.optional(), category: z.enum(["fence", "poi", "county", "city", "country"]), description: z.string().optional(), distance: z.number().optional(), geometry: point.optional(), icon: z.string().optional(), major: z.number().optional(), name: z.string(), referenceKey: z.string().optional(), timezone: z.string().optional(), timeZoneOffset: z.number().optional()});

export const regionList = z.object({regions: z.array(regionModel).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
};

/**
 * List nearest regions for this device
 * 
 * GET /region/bylocation/{latitude}/{longitude}
 */
export const getApiRegionBylocationLatitudeLongitude = async (args: GetApiRegionBylocationLatitudeLongitudeArgs, options?: GetApiRegionBylocationLatitudeLongitudeOptions) => {
const {baseUrl = "https://cloud.notifica.re/api", fetch: fetchFn = fetch, ApplicationSecret} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.skip != null) query.append("skip", String(args.skip))
if (ApplicationSecret !== undefined) headers.set('authorization', `Basic ${btoa(`${ApplicationSecret.username}:${ApplicationSecret.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/region/bylocation/${encodeURIComponent(String(args.latitude))}/${encodeURIComponent(String(args.longitude))}${query.size > 0 ? `?${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(regionList, await res.json())
};