package com.hdl.sdk.common.utils;

import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.text.TextUtils;
import android.util.Log;

import com.hdl.sdk.connect.config.HDLLinkConfig;

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

/**
 * Created by Tong on 2021/9/27.
 */
public class IpUtils {

//    /**
//     * @return 广播地址
//     */
    /*public static String getBroadcastAddress() {
//        try {
//            for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
//                 niEnum.hasMoreElements(); ) {
//                NetworkInterface ni = niEnum.nextElement();
//                if (!ni.isLoopback()) {
//                    for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
//                        if (interfaceAddress.getBroadcast() != null) {
//                            return interfaceAddress.getBroadcast().toString().substring(1);
//                        }
//                    }
//                }
//            }
//        } catch (SocketException e) {
//            e.printStackTrace();
//        }
        return "255.255.255.255";
    }*/


    /**
     * @return 广播地址
     */
    public static synchronized String getBroadcastAddress() {
        try {
            if (!TextUtils.isEmpty(HDLLinkConfig.getInstance().getNetworkName())) {
                for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
                     niEnum.hasMoreElements(); ) {
                    NetworkInterface ni = niEnum.nextElement();
                    if (!ni.isLoopback() && ni.getName().equalsIgnoreCase(HDLLinkConfig.getInstance().getNetworkName())) {
                        for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
                            if (interfaceAddress.getBroadcast() != null) {
                                Log.d("TAG", "----->ni.getName()= " + ni.getName() + " ip= " + interfaceAddress.getBroadcast().toString().substring(1));
                                return interfaceAddress.getBroadcast().toString().substring(1);
                            }
                        }
                    }
                }

                for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
                     niEnum.hasMoreElements(); ) {
                    NetworkInterface ni = niEnum.nextElement();
                    if (!ni.isLoopback()) {
                        for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
                            if (interfaceAddress.getBroadcast() != null) {
                                Log.d("TAG", "----->ip= " + interfaceAddress.getBroadcast().toString().substring(1));
                                return interfaceAddress.getBroadcast().toString().substring(1);
                            }
                        }
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        return "255.255.255.255";
    }

    public static boolean isLocalIpAddress(String ipAddress) {
        try {
            for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
                 niEnum.hasMoreElements(); ) {
                NetworkInterface ni = niEnum.nextElement();
                for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
                    if (ipAddress.equals(interfaceAddress.getAddress().getHostAddress())) {
                        return true;
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        return false;
    }

    public static String getIP(Context application) {
        WifiManager wifiManager = (WifiManager) application.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
        if (!wifiManager.isWifiEnabled()) {
            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()) {
                            return inetAddress.getHostAddress();
                        }
                    }
                }
            } catch (SocketException e) {
                e.printStackTrace();
            }
        } else {
            WifiInfo wifiInfo = wifiManager.getConnectionInfo();
            int ipAddress = wifiInfo.getIpAddress();
            return intToIp(ipAddress);
        }
        return null;
    }


    private static String intToIp(int i) {

        return (i & 0xFF) + "." +
                ((i >> 8) & 0xFF) + "." +
                ((i >> 16) & 0xFF) + "." +
                (i >> 24 & 0xFF);
    }

    private static String getWifiManagerAddress(Context context) {
        try {
            if (context != null) {
                WifiManager wifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
                if (wifiManager != null && wifiManager.isWifiEnabled()) {
                    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                    int ipAddress = wifiInfo.getIpAddress();
                    return intToIp(ipAddress);
                }
            }
        } catch (Exception ignored) {
        }
        return null;
    }

    public static String getWifiIpV4Address(Context context) {
        try {
            //直接从wifiManager获取
            String managerAddress = getWifiManagerAddress(context);
            if (!TextUtils.isEmpty(managerAddress)) {
                return managerAddress;
            }

            Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();
            while (enumeration.hasMoreElements()) {
                NetworkInterface network = enumeration.nextElement();
                if (network == null || network.isVirtual() || !network.isUp() || network.isLoopback() || !network.getName().equalsIgnoreCase("eth0")) {
                    continue;
                } else {
                    Enumeration<InetAddress> addresses = network.getInetAddresses();
                    while (addresses.hasMoreElements()) {
                        InetAddress address = addresses.nextElement();
                        if (!address.isLoopbackAddress() && !address.isAnyLocalAddress()
                                && !address.isLinkLocalAddress()) {
                            String hostAddress = address.getHostAddress();
                            if (hostAddress != null) {
                                boolean isIPv4 = hostAddress.indexOf(':') < 0;
                                if (isIPv4) return hostAddress;
                            }

                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

    public static String getEth0IpV4Address() {
        try {
            Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();
            while (enumeration.hasMoreElements()) {
                NetworkInterface network = enumeration.nextElement();
                if (network == null || network.isVirtual() || !network.isUp() || network.isLoopback() || !network.getName().equalsIgnoreCase("eth0")) {
                    continue;
                } else {
                    Enumeration<InetAddress> addresses = network.getInetAddresses();

                    while (addresses.hasMoreElements()) {
                        InetAddress address = addresses.nextElement();
                        if (!address.isLoopbackAddress() && !address.isAnyLocalAddress()
                                && !address.isLinkLocalAddress()) {
                            String hostAddress = address.getHostAddress();
                            if (hostAddress != null) {
                                boolean isIPv4 = hostAddress.indexOf(':') < 0;
                                if (isIPv4) return hostAddress;
                            }

                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

    /**
     * @return 获取全部有效ip地址, 优先返回有线ip
     */
    public static String getIpV4Address(Context context) {

        try {
            String eth0IpV4Address = getEth0IpV4Address();
            if (!TextUtils.isEmpty(eth0IpV4Address)) {
                return eth0IpV4Address;
            }
            String wifiIpV4Address = getWifiIpV4Address(context);
            if (!TextUtils.isEmpty(wifiIpV4Address)) {
                return wifiIpV4Address;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }
}