import {z} from 'zod'

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

export const officeWeatherStory = z.object({id: z.string().optional(), startTime: z.string(), endTime: z.string(), updateTime: z.string(), title: z.string().max(50), description: z.string(), priority: z.boolean(), download: z.string(), altText: z.string(), order: z.number().int().gte(1).lte(7)});

export const officeWeatherStoryCollection = z.array(officeWeatherStory);

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 active weather stories for an NWS office
 * 
 * GET /offices/{officeId}/weatherstories
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiOfficesOfficeIdWeatherstories = async (options?: GetApiOfficesOfficeIdWeatherstoriesOptions) => {
const {baseUrl = "https://api.weather.gov", fetch: fetchFn = fetch, userAgent} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/offices/${encodeURIComponent(String(args.officeId))}/weatherstories${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(officeWeatherStoryCollection, await res.json())
};