package com.fzzy.gateway;

import com.fzzy.gateway.entity.GatewayDevice;

import java.util.HashMap;
import java.util.Map;

/**
 * 常量
 */
public class GatewayUtils {


    /**
     * 设备在线标记，针对WEBSocket请求，控制设备是否在线，key = deviceId，Value=Y/N
     */
    public static Map<String, String> contextOnlineMap = new HashMap<>();


    /**
     * 设备缓存
     */
    public static Map<String, GatewayDevice> cacheMapDeviceId = new HashMap<>();

    /**
     * 设备缓存
     */
    public static Map<String, GatewayDevice> cacheMapDeviceSn = new HashMap<>();


    public static void add2Cache(GatewayDevice device) {
        cacheMapDeviceId.put(device.getDeviceId(), device);
        cacheMapDeviceSn.put(device.getDeviceSn(), device);
    }

    public static GatewayDevice getCacheByDeviceId(String deviceId) {
        return cacheMapDeviceId.get(deviceId);
    }

    public static GatewayDevice getCacheByDeviceSn(String deviceSn) {
        return cacheMapDeviceSn.get(deviceSn);
    }


    public static void removeCache(GatewayDevice data) {
        cacheMapDeviceId.remove(data.getDeviceId());
        cacheMapDeviceSn.remove(data.getDeviceSn());
    }

    public static void updateOnline(String deviceId) {
        contextOnlineMap.put(deviceId, "Y");
    }

    public static void updateOffOnline(String deviceId) {
        contextOnlineMap.put(deviceId, "N");
    }

    public static boolean isOnline(String deviceId) {
        String value = contextOnlineMap.get(deviceId);
        if (null == value || "N".equals(value)) return false;
        return true;
    }
}