package com.anyun.exam.lib.util;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.State;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.telephony.TelephonyManager;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

/**
 * Created by YY on 2017/10/27.
 */
public class NetUtils {
    /**
     * 判断网络情况
     *
     * @param context  上下文
     * @return false 表示没有网络 true 表示有网络
     */
    public static boolean isNetworkAvalible(Context context) {
        // 获得网络状态管理器
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        if (connectivityManager == null) {
            return false;
        } else {
            // 建立网络数组
            NetworkInfo[] net_info = connectivityManager.getAllNetworkInfo();

            if (net_info != null) {
                for (int i = 0; i < net_info.length; i++) {
                    // 判断获得的网络状态是否是处于连接状态
                    if (net_info[i].getState() == State.CONNECTED) {
                        return true;
                    }
                }
            }
        }
        return false;
    }

    /**
     * 判断网络是否连接
     **/
    public static boolean netState(Context context) {
        ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        // 获取代表联网状态的NetWorkInfo对象
        NetworkInfo networkInfo = connManager.getActiveNetworkInfo();
        // 获取当前的网络连接是否可用
        boolean available = false;
        try {
            available = networkInfo.isAvailable();
        } catch (Exception e) {
//            e.printStackTrace();
            return false;
        }
        if (available) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 在连接到网络基础之上,判断设备是否是SIM网络连接
     *
     * @param context
     * @return
     */
    public static boolean IsMobileNetConnect(Context context) {
        try {
            ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
            if (State.CONNECTED == state)
                return true;
            else
                return false;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    //返回值 -1：没有网络  1：WIFI网络2：wap网络3：net网络
    public static int GetNetype(Context context) {
        int netType = -1;
        ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
        if(networkInfo==null) {
            return netType;
        }
        int nType = networkInfo.getType();
        if(nType== ConnectivityManager.TYPE_MOBILE) {
            if(networkInfo.getExtraInfo().toLowerCase().equals("cmnet")) {
                netType = 3;
            }
            else {
                netType = 2;
            }
        }
        else if(nType== ConnectivityManager.TYPE_WIFI) {
            netType = 1;
        }
        return netType;
    }

    public static boolean hasSimCard(Context context) {
        TelephonyManager telMgr = (TelephonyManager)
                context.getSystemService(Context.TELEPHONY_SERVICE);
        boolean result = true;
        switch (telMgr.getSimState()) {
            case TelephonyManager.SIM_STATE_ABSENT:
                result = false; // 没有SIM卡
                break;
            case TelephonyManager.SIM_STATE_UNKNOWN:
                result = false;
                break;
        }
        return result;
    }

    public static TelephonyManager getTelephonyManager(Context context) {
        // 获取telephony系统服务，用于取得SIM卡和网络相关信息
        TelephonyManager mTelephonyManager = (TelephonyManager) context
                    .getSystemService(Context.TELEPHONY_SERVICE);
        return mTelephonyManager;
    }

    public static String getIccid(Context context) {
        TelephonyManager mTelephonyManager = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        try {
            return mTelephonyManager.getSimSerialNumber();
        } catch (SecurityException e) {

        }
        return null;
    }

    /**
     * 唯一的设备ID： GSM手机的 IMEI 和 CDMA手机的 MEID. Return null if device ID is not
     * 取得手机IMEI
     * available.
     */
    public static String getDeviceId(Context context) {
        String mDeviceId = getTelephonyManager(context).getImei();// String
        return mDeviceId;
    }

    /**
     * 取得IMEI SV
     * 设备的软件版本号： 返回移动终端的软件版本，例如：GSM手机的IMEI/SV码。 例如：the IMEI/SV(software version)
     * for GSM phones. Return null if the software version is not available.
     */
    public static String getDeviceSoftwareVersion(Context context) {
        String mDeviceSoftwareVersion = getTelephonyManager(context).getDeviceSoftwareVersion();// String
        return mDeviceSoftwareVersion;
    }

    /**
     * 取得手机IMSI
     * 返回用户唯一标识，比如GSM网络的IMSI编号 唯一的用户ID： 例如：IMSI(国际移动用户识别码) for a GSM phone.
     * 需要权限：READ_PHONE_STATE
     */
    public static String getSubscriberId(Context context) {
        String mSubscriberId = getTelephonyManager(context).getSubscriberId();// String
        return mSubscriberId;
    }

    public static String getIPAddress(Context context) {
        NetworkInfo info = ((ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
        if (info != null && info.isConnected()) {
            if (info.getType() == ConnectivityManager.TYPE_MOBILE) {//当前使用2G/3G/4G网络
                try {
                    //Enumeration<NetworkInterface> en=NetworkInterface.getNetworkInterfaces();
                    for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
                        NetworkInterface intf = en.nextElement();
                        for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                            InetAddress inetAddress = enumIpAddr.nextElement();
                            if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                                return inetAddress.getHostAddress();
                            }
                        }
                    }
                } catch (SocketException e) {
                    e.printStackTrace();
                }

            } else if (info.getType() == ConnectivityManager.TYPE_WIFI) {//当前使用无线网络
                WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
                WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                String ipAddress = intIP2StringIP(wifiInfo.getIpAddress());//得到IPV4地址
                return ipAddress;
            }
        } else {
            //当前无网络连接,请在设置中打开网络
        }
        return null;
    }

    /**
     * 将得到的int类型的IP转换为String类型
     *
     * @param ip
     * @return
     */
    public static String intIP2StringIP(int ip) {
        return (ip & 0xFF) + "." +
                ((ip >> 8) & 0xFF) + "." +
                ((ip >> 16) & 0xFF) + "." +
                (ip >> 24 & 0xFF);
    }
}