import {z} from 'zod'

export type GetApiAdminSettingsOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiAdminSettingsResponse = z.object({user_agent: z.string().min(1).max(1024).optional(), blocked_user_agents: z.string().optional(), enable_shared_address_space_address_range: z.boolean().optional(), enable_digest_auth: z.boolean().optional(), enable_auth_mid_dialog: z.boolean().optional(), enable_digest_auth_int: z.boolean().optional(), enable_external_recording: z.boolean().optional(), enable_reject_bad_nonce: z.boolean().optional(), statistics_log_interval: z.number().int().gte(0).optional(), dead_session_timeout: z.number().int().gte(0).optional(), enable_session_timer: z.boolean().optional(), session_timer_duration: z.number().int().gte(90).lte(3600).optional(), enable_to_tag_in_register: z.boolean().optional(), enable_congestion_management: z.boolean().optional(), congestion_management_metric: z.enum(["WAIT_TIME", "TIME_DEPTH", "SIZE"]).optional(), congestion_management_tolerance: z.number().int().gte(0).optional(), enable_create_non_exist_extension: z.boolean().optional(), enable_prack: z.boolean().optional(), enable_tenant_level_trunk: z.boolean().optional(), enable_diversion_support: z.boolean().optional(), enable_history_info_support: z.boolean().optional(), enable_outbound_support: z.boolean().optional(), flow_timer: z.number().int().gte(0).optional(), register_expiration_time: z.number().int().gte(90).lte(3600).optional(), enable_auto_answer_alert_info_header: z.boolean().optional(), auto_answer_alert_info_header: z.enum(["INTERCOM", "ALERT_AUTO_ANSWER", "AUTO_ANSWER"]).optional(), enable_auto_answer_call_info_header: z.boolean().optional(), enable_require_answer_mode: z.boolean().optional(), enable_www_auth: z.boolean().optional(), user_equal_required_for_auth_name: z.boolean().optional(), trace_server_host: z.string().optional(), trace_server_port: z.number().int().gte(0).lte(65535).optional(), web_failed_auth_amount: z.number().int().gte(0).optional(), web_blacklist_time_interval: z.number().int().gte(0).optional(), sip_failed_auth_amount: z.number().int().gte(0).optional(), sip_failed_challenge_requests_amount: z.number().int().gte(0).optional(), sip_blacklist_time_interval: z.number().int().gte(0).optional(), sip_detection_period: z.number().int().gte(0).optional(), sip_barrier_1_packets: z.number().int().gte(0).optional(), sip_barrier_1_blocking_time: z.number().int().gte(0).optional(), sip_barrier_2_packets: z.number().int().gte(0).optional(), sip_barrier_2_blocking_time: z.number().int().gte(0).optional(), stir_shaken_cert: z.string().optional(), stir_shaken_key: z.string().optional(), custom_options: z.string().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
};

/**
 * Retrieve system settings
 * 
 * GET /admin/settings
 */
export const getApiAdminSettings = async (options?: GetApiAdminSettingsOptions) => {
const {baseUrl = "https://HOSTNAME:8887/api", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

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