package com.gimi.common.cinema.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

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


/**
 * 网络助手
 * Created by 李攀 on 2015/5/14.
 */
public class NetStatusUtils {
    /**
     * 判断网络是否可用
     * <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
     *
     * @return {@code true}: 可用<br>{@code false}: 不可用
     */
    public static boolean isAvailableByPing() {
        return isAvailableByPing("123.125.114.144");
    }

    public static boolean isAvailableByPing(String ip) {
        ShellUtils.CommandResult result = ShellUtils.execCommand("ping -c 1 -w 1 " + ip, false);
        return result.result == 0;
    }

    public static boolean isNetworkConnected(Context context) {
        if (context != null) {
            ConnectivityManager mConnectivityManager = (ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
            if (mNetworkInfo != null) {
                return mNetworkInfo.isAvailable();
            }
        }
        return false;
    }

    public static String getIp() throws SocketException {
        String ipAddress = "";
        Enumeration<NetworkInterface> netInterfaces = null;
        netInterfaces = NetworkInterface.getNetworkInterfaces();
        if (netInterfaces == null) {
            return ipAddress;
        }
        while (netInterfaces.hasMoreElements()) {
            NetworkInterface intf = netInterfaces.nextElement();
            if (intf.getName().toLowerCase().equals("eth0") || intf.getName().toLowerCase().equals("wlan0")) {
                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                    InetAddress inetAddress = enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress()) {
                        String curIpAddress = inetAddress.getHostAddress();
                        if (!curIpAddress.contains("::")) { // 过滤ipV6的地址
                            ipAddress = curIpAddress;
                            if (intf.getName().toLowerCase().equals("eth0")) {
                                return ipAddress;
                            }
                        }
                    }
                }
            }
        }
        return ipAddress;
    }
}