package com.netease.LDNetDiagnoUtils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import android.annotation.SuppressLint;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.DhcpInfo;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;

@SuppressLint("DefaultLocale")
public class LDNetUtil {

  public static final String OPEN_IP = "";// 可ping的IP地址
  public static final String OPERATOR_URL = "";

  public static final String NETWORKTYPE_INVALID = "UNKNOWN";// 没有网络
  public static final String NETWORKTYPE_WAP = "WAP"; // wap网络
  public static final String NETWORKTYPE_WIFI = "WIFI"; // wifi网络

  @SuppressWarnings({ "deprecation" })
  public static String getNetWorkType(Context context) {
    String mNetWorkType = null;
    ConnectivityManager manager = (ConnectivityManager) context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    if (manager == null) {
      return "ConnectivityManager not found";
    }
    NetworkInfo networkInfo = manager.getActiveNetworkInfo();
    if (networkInfo != null && networkInfo.isConnected()) {
      String type = networkInfo.getTypeName();
      if (type.equalsIgnoreCase("WIFI")) {
        mNetWorkType = NETWORKTYPE_WIFI;
      } else if (type.equalsIgnoreCase("MOBILE")) {
        String proxyHost = android.net.Proxy.getDefaultHost();
        if (TextUtils.isEmpty(proxyHost)) {
          mNetWorkType = mobileNetworkType(context);
        } else {
          mNetWorkType = NETWORKTYPE_WAP;
        }
      }
    } else {
      mNetWorkType = NETWORKTYPE_INVALID;
    }
    return mNetWorkType;
  }

  /**
   * 判断网络是否连接
   */
  public static Boolean isNetworkConnected(Context context) {
    ConnectivityManager manager = (ConnectivityManager) context
        .getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
    if (manager == null) {
      return false;
    }
    NetworkInfo networkinfo = manager.getActiveNetworkInfo();
    if (networkinfo == null || !networkinfo.isAvailable()) {
      return false;
    }
    return true;
  }

  public static String getMobileOperator(Context context) {
    TelephonyManager telManager = (TelephonyManager) context
        .getSystemService(Context.TELEPHONY_SERVICE);
    if(telManager==null)
    	return "未知运营商";
    String operator = telManager.getSimOperator();
    if (operator != null) {
      if (operator.equals("46000") || operator.equals("46002")
          || operator.equals("46007")) {
        return "中国移动";
      } else if (operator.equals("46001")) {
        return "中国联通";
      } else if (operator.equals("46003")) {
        return "中国电信";
      }
    }
    return "未知运营商";
  }

  /**
   * 获取本机IP(wifi)
   */
  public static String getLocalIpByWifi(Context context) {
    WifiManager wifiManager = (WifiManager) context
        .getSystemService(Context.WIFI_SERVICE);
    if (wifiManager == null) {
      return "wifiManager not found";
    }
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo == null) {
      return "wifiInfo not found";
    }
    int ipAddress = wifiInfo.getIpAddress();
    return String.format("%d.%d.%d.%d", (ipAddress & 0xff),
        (ipAddress >> 8 & 0xff), (ipAddress >> 16 & 0xff),
        (ipAddress >> 24 & 0xff));
  }

  /**
   * 获取本机IP(2G/3G/4G)
   */
  public static String getLocalIpBy3G() {
    try {
      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) {
            // if (!inetAddress.isLoopbackAddress() && inetAddress
            // instanceof Inet6Address) {
            return inetAddress.getHostAddress().toString();
          }
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }

  /**
   * wifi状态下获取网关
   */
  public static String pingGateWayInWifi(Context context) {
    String gateWay = null;
    WifiManager wifiManager = (WifiManager) context
        .getSystemService(Context.WIFI_SERVICE);
    if (wifiManager == null) {
      return "wifiManager not found";
    }
    DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
    if (dhcpInfo != null) {
      int tmp = dhcpInfo.gateway;
      gateWay = String.format("%d.%d.%d.%d", (tmp & 0xff), (tmp >> 8 & 0xff),
          (tmp >> 16 & 0xff), (tmp >> 24 & 0xff));
    }
    return gateWay;
  }

  /**
   * 获取本地DNS
   */
  public static String getLocalDns(String dns) {
    Process process = null;
    String str = "";
    BufferedReader reader = null;
    try {
      process = Runtime.getRuntime().exec("getprop net." + dns);
      reader = new BufferedReader(new InputStreamReader(
          process.getInputStream()));
      String line = null;
      while ((line = reader.readLine()) != null) {
        str += line;
      }
      reader.close();
      process.waitFor();
    } catch (IOException e) {
      e.printStackTrace();
    } catch (InterruptedException e) {
      e.printStackTrace();
    } finally {
      try {
        if (reader != null) {
          reader.close();
        }
        process.destroy();
      } catch (Exception e) {
      }
    }
    return str.trim();
  }

  /**
   * 域名解析
   */
  public static Map<String, Object> getDomainIp(String _dormain) {
    Map<String, Object> map = new HashMap<String, Object>();
    long start = 0;
    long end = 0;
    String time = null;
    InetAddress[] remoteInet = null;
    try {
      start = System.currentTimeMillis();
      remoteInet = InetAddress.getAllByName(_dormain);
      if (remoteInet != null) {
        end = System.currentTimeMillis();
        time = (end - start) + "";
      }
    } catch (UnknownHostException e) {
      end = System.currentTimeMillis();
      time = (end - start) + "";
      remoteInet = null;
      e.printStackTrace();
    } finally {
      map.put("remoteInet", remoteInet);
      map.put("useTime", time);
    }
    return map;
  }

  private static String mobileNetworkType(Context context) {
    TelephonyManager telephonyManager = (TelephonyManager) context
        .getSystemService(Context.TELEPHONY_SERVICE);
    if (telephonyManager == null) {
      return "TM==null";
    }
    switch (telephonyManager.getNetworkType()) {
    case TelephonyManager.NETWORK_TYPE_1xRTT:// ~ 50-100 kbps
      return "2G";
    case TelephonyManager.NETWORK_TYPE_CDMA:// ~ 14-64 kbps
      return "2G";
    case TelephonyManager.NETWORK_TYPE_EDGE:// ~ 50-100 kbps
      return "2G";
    case TelephonyManager.NETWORK_TYPE_EVDO_0:// ~ 400-1000 kbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_EVDO_A:// ~ 600-1400 kbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_GPRS:// ~ 100 kbps
      return "2G";
    case TelephonyManager.NETWORK_TYPE_HSDPA:// ~ 2-14 Mbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_HSPA:// ~ 700-1700 kbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_HSUPA: // ~ 1-23 Mbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_UMTS:// ~ 400-7000 kbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_EHRPD:// ~ 1-2 Mbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_EVDO_B: // ~ 5 Mbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_HSPAP:// ~ 10-20 Mbps
      return "3G";
    case TelephonyManager.NETWORK_TYPE_IDEN:// ~25 kbps
      return "2G";
    case TelephonyManager.NETWORK_TYPE_LTE:// ~ 10+ Mbps
      return "4G";
    case TelephonyManager.NETWORK_TYPE_UNKNOWN:
      return "UNKNOWN";
    default:
      return "4G";
    }
  }

  /**
   * 输入流转变成字符串
   */
  public static String getStringFromStream(InputStream is) {
    byte[] bytes = new byte[1024];
    int len = 0;
    String res = "";
    try {
      while ((len = is.read(bytes)) != -1) {
        res = res + new String(bytes, 0, len, "gbk");
      }
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      if (is != null) {
        try {
          is.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
    return res;
  }
}