package com.bjzc.bhzhgd.utils;

import android.content.Context;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

import java.util.List;

/**
 * 判断网路状态工具类
 */
public class NetworkAvailableUtils {

    /**
     * 判断是否联网
     *
     * @param context
     * @return
     */
    public static boolean isNetworkAvailable(Context context) {
        System.out.println(context);
        ConnectivityManager cm = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        if (cm == null) {
        } else {
            // 　　　　　　如果仅仅是用来判断网络连接
            // 　　　　　　则可以使用 cm.getActiveNetworkInfo().isAvailable();
                    NetworkInfo[] info = cm.getAllNetworkInfo();
                    if (info != null) {
                        for (int i = 0; i < info.length; i++) {
                    if (info[i].getState() == NetworkInfo.State.CONNECTED) {
                        return true;
                    }
                }
            }
        }
        return false;
    }

    /**
     * 判断GPS是否打开
     *
     * @param context
     * @return
     */

    public static boolean isGpsEnabled(Context context) {
        LocationManager lm = ((LocationManager) context
                .getSystemService(Context.LOCATION_SERVICE));
        List<String> accessibleProviders = lm.getProviders(true);
        return accessibleProviders != null && accessibleProviders.size() > 0;
    }

    /**
     * 三、判断WIFI是否打开
     *
     * @param context
     * @return
     */

    public static boolean isWifiEnabled(Context context) {
        ConnectivityManager mgrConn = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        TelephonyManager mgrTel = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        return ((mgrConn.getActiveNetworkInfo() != null && mgrConn
                .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
                .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);
    }

    /**
     * 四、判断是否是3G网络
     *
     * @param context
     * @return
     */

    public static boolean is3rd(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkINfo = cm.getActiveNetworkInfo();
        return networkINfo != null
                && networkINfo.getType() == ConnectivityManager.TYPE_MOBILE;
    }

    /**
     * 五、判断是wifi还是3g网络,用户的体现性在这里了，wifi就可以建议下载或者在线播放。
     *
     * @param context
     * @return
     */

    public static boolean isWifi(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkINfo = cm.getActiveNetworkInfo();
        return networkINfo != null
                && networkINfo.getType() == ConnectivityManager.TYPE_WIFI;
    }
}
