import {z} from 'zod'

export type GetApiAdminAnnouncementsArgs = {user_id?: number | undefined};

export type GetApiAdminAnnouncementsOptions = {baseUrl: string, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const readManyAdminAnnouncements = z.object({content: z.string().optional(), created: z.string().optional(), created_by: z.number().int().optional(), deleted: z.boolean().optional(), deleted_at: z.string().optional(), deleted_by: z.number().int().optional(), description: z.string().optional(), group_count: z.number().int().optional(), id: z.number().int().optional(), individual_user_count: z.number().int().optional(), published_at: z.string().optional(), published_by: z.number().int().optional(), title: z.string().optional(), total_read: z.number().int().optional(), total_users: z.number().int().optional(), updated: z.string().optional(), updated_by: z.number().int().optional()});

export const getApiAdminAnnouncementsResponse = z.array(readManyAdminAnnouncements);

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
};

/**
 * Lists all announcements (admin only)
 * 
 * GET /admin/announcements
 * 
 * Also accepts auth: API-Key
 */
export const getApiAdminAnnouncements = async (args: GetApiAdminAnnouncementsArgs, options: GetApiAdminAnnouncementsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.user_id != null) query.append("user_id", String(args.user_id))
if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/admin/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(getApiAdminAnnouncementsResponse, await res.json())
};