import { useEffect } from "react";
import { BASE_URL, API_ENDPOINTS } from "@/config/api";
interface DeviceEventData {
  Message: string;
  DeviceId: string;
  Room: string;
  Timestamp?: string;
}

interface UseDeviceEventsOptions {
  onRoomDeviceOnline?: (room: string, deviceId: string) => void;
  onRoomDeviceOffline?: (room: string, deviceId: string) => void;
  onDeviceOnlineInRoom?: (deviceId: string, room: string) => void;
  onDeviceOfflineInRoom?: (deviceId: string, room: string) => void;
}

export function useDeviceEvents(options: UseDeviceEventsOptions) {
  useEffect(() => {
    const onlineES = new EventSource(API_ENDPOINTS.SSE_EVENTS.DEVICE_ONLINE);
    const offlineES = new EventSource(API_ENDPOINTS.SSE_EVENTS.DEVICE_OFFLINE);

    onlineES.addEventListener("online", (event) => {
      try {
        const data: DeviceEventData = JSON.parse(event.data);
        options.onRoomDeviceOnline?.(data.Room, data.DeviceId);
        options.onDeviceOnlineInRoom?.(data.DeviceId, data.Room);
      } catch (err) {
        console.error("Error parsing online event:", err);
      }
    });

    offlineES.addEventListener("offline", (event) => {
      try {
        const data: DeviceEventData = JSON.parse(event.data);
        options.onRoomDeviceOffline?.(data.Room, data.DeviceId);
        options.onDeviceOfflineInRoom?.(data.DeviceId, data.Room);
      } catch (err) {
        console.error("Error parsing offline event:", err);
      }
    });

    onlineES.onerror = (err) => {
      console.error("Online SSE connection error:", err);
    };

    offlineES.onerror = (err) => {
      console.error("Offline SSE connection error:", err);
    };

    return () => {
      onlineES.close();
      offlineES.close();
    };
  }, [options]);
}