import {z} from 'zod'

export type CreateApiMatrixClientV3PublicRoomsArgs = {server?: unknown | undefined, body: {filter?: ({generic_search_term?: string | undefined, room_types?: (Array<string | null>) | undefined}) | undefined, include_all_networks?: boolean | undefined, limit?: number | undefined, since?: string | undefined, third_party_instance_id?: string | undefined}};

export type CreateApiMatrixClientV3PublicRoomsOptions = {baseUrl?: string | undefined, accessTokenQuery?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiMatrixClientV3PublicRoomsResponse = z.object({chunk: z.array(z.object({avatar_url: z.string().optional(), canonical_alias: z.string().optional(), guest_can_join: z.boolean(), join_rule: z.string().optional(), name: z.string().optional(), num_joined_members: z.number().int(), room_id: z.string(), room_type: z.string().optional(), topic: z.string().optional(), world_readable: z.boolean()})), next_batch: z.string().optional(), prev_batch: z.string().optional(), total_room_count_estimate: z.number().int().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
};

/**
 * Lists a server's published room directory with an optional filter
 * 
 * POST /_matrix/client/v3/publicRooms
 * 
 * Also accepts auth: accessTokenBearer
 */
export const createApiMatrixClientV3PublicRooms = async (args: CreateApiMatrixClientV3PublicRoomsArgs, options?: CreateApiMatrixClientV3PublicRoomsOptions) => {
const {baseUrl = "https://matrix.org", fetch: fetchFn = fetch, accessTokenQuery} = options ?? {}

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

if (args.server != null) query.append("server", String(args.server))
if (accessTokenQuery !== undefined) query.set("access_token", accessTokenQuery)

const url = `${baseUrl.replace(/\/+$/, '')}/_matrix/client/v3/publicRooms${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiMatrixClientV3PublicRoomsResponse, await res.json())
};