import {z} from 'zod'

export type GetApiAnnouncementsArgs = {placement?: ('users/dashboard#sidebar' | 'users/dashboard' | 'welcome/index' | 'mobile/home' | 'mobile') | undefined, client?: ('inat-ios' | 'inat-android' | 'seek' | 'inatrn') | undefined, locale?: string | undefined, fields: unknown, 'X-HTTP-Method-Override'?: string | undefined};

export type GetApiAnnouncementsOptions = {baseUrl?: string | undefined, userJwtOptional?: string | undefined, fetch?: typeof fetch | undefined};

export const announcement = z.object({id: z.number().int(), body: z.string().optional(), placement: z.string().optional(), clients: z.array(z.string()).optional(), dismissible: z.boolean().optional(), locales: z.array(z.string()).optional(), start: z.string().optional(), end: z.string().optional()});

export const resultsAnnouncements = z.object({total_results: z.number().int(), page: z.number().int(), per_page: z.number().int(), results: z.array(announcement)});

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
};

/**
 * Search announcements
 * 
 * GET /announcements
 */
export const getApiAnnouncements = async (args: GetApiAnnouncementsArgs, options?: GetApiAnnouncementsOptions) => {
const {baseUrl = "https://api.inaturalist.org/v2", fetch: fetchFn = fetch, userJwtOptional} = options ?? {}

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

if (args.placement != null) query.append("placement", String(args.placement))
if (args.client != null) query.append("client", String(args.client))
if (args.locale != null) query.append("locale", String(args.locale))
if (args.fields != null) query.append("fields", String(args.fields))
if (args['X-HTTP-Method-Override'] != null) headers.set("X-HTTP-Method-Override", String(args['X-HTTP-Method-Override']))
if (userJwtOptional !== undefined) headers.set("Authorization", userJwtOptional)

const url = `${baseUrl.replace(/\/+$/, '')}/announcements${query.size > 0 ? `?${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(resultsAnnouncements, await res.json())
};