package com.secondworld.sdk.utils;

import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.provider.Settings;

import com.secondworld.sdk.GameAppProxy;

import java.net.NetworkInterface;
import java.util.Enumeration;
import java.util.Locale;
import java.util.UUID;

public class DeviceUtil {

    public static final String FAKE_MAC = "02:00:00:00:00:00";



    public static long getVersionCode() {
        long appVersionCode = 0;
        try {
            PackageInfo packageInfo = GameAppProxy.app.getApplicationContext()
                    .getPackageManager()
                    .getPackageInfo(GameAppProxy.app.getPackageName(), 0);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                appVersionCode = packageInfo.getLongVersionCode();
            } else {
                appVersionCode = packageInfo.versionCode;
            }
        } catch (PackageManager.NameNotFoundException e) {
            LogUtil.e("getAppVersionCode", e);
        }
        return appVersionCode;
    }


    public static String getVersionName() {
        String appVersionName = "";
        try {
            PackageInfo packageInfo = GameAppProxy.app.getApplicationContext()
                    .getPackageManager()
                    .getPackageInfo(GameAppProxy.app.getPackageName(), 0);
            appVersionName = packageInfo.versionName;
        } catch (PackageManager.NameNotFoundException e) {
            LogUtil.e("getAppVersionName", e);
        }
        return appVersionName;
    }

    /**
     * 获取当前设备总运行内存
     * 单位为 byte
     *
     * @return
     */
    public static long getTotalRAMSize() {
        ActivityManager manager = (ActivityManager) GameAppProxy.app.getSystemService(Context.ACTIVITY_SERVICE);
        ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo();
        manager.getMemoryInfo(info);
        return info.totalMem;
    }

    public static String getAndroidId() {
        String ANDROID_ID = Settings.System.getString(GameAppProxy.app.getContentResolver(), Settings.System.ANDROID_ID);
        if (ANDROID_ID == null || ANDROID_ID.equals("9774d56d682e549c"))
            return "";
        return ANDROID_ID;
    }

    /**
     * 唯一标识
     *
     * @return
     */
    public static String getUniqueID() {
        String uniqueID = SPUtils.get().getString(SPUtils.UNIQUE_ID, "");
        if (!uniqueID.trim().isEmpty())
            return uniqueID;
        uniqueID = getAndroidId() + getLocalMac();
        //自己生成的uid
        if (uniqueID.trim().isEmpty())
            uniqueID = UUID.randomUUID().toString();

        uniqueID = Util.md5(uniqueID).toUpperCase();

        SPUtils.get()
                .edit()
                .putString(SPUtils.UNIQUE_ID, uniqueID.trim())
                .apply();

        return uniqueID;
    }

    /**
     * mac 地址
     *
     * @return
     */
    public static String getLocalMac() {
        String mac = SPUtils.get().getString(SPUtils.MAC, "");
        if (!mac.trim().isEmpty())
            return mac;
        try {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                String interfaceName = "wlan0";
                Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
                NetworkInterface intf = null;
                while (interfaces.hasMoreElements()) {
                    intf = interfaces.nextElement();
                    if (!intf.getName().equalsIgnoreCase(interfaceName))
                        continue;
                    byte[] addresses = intf.getHardwareAddress();
                    if (mac != null) {
                        StringBuilder buf = new StringBuilder();
                        for (byte aMac : addresses) {
                            buf.append(String.format("%02X:", aMac));
                        }
                        if (buf.length() > 0) {
                            buf.deleteCharAt(buf.length() - 1);
                        }
                        mac = buf.toString();
                    }
                    break;
                }
            } else {
                WifiManager wifi = (WifiManager) GameAppProxy.app.getSystemService(Context.WIFI_SERVICE);
                if (wifi != null) {
                    WifiInfo wifiInfo = wifi.getConnectionInfo();
                    if (wifiInfo != null) {
                        mac = wifiInfo.getMacAddress();
                    }
                }
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }

        mac = mac.toUpperCase(Locale.ENGLISH);

        if (mac.equals(FAKE_MAC))
            mac = "";

        SPUtils.get()
                .edit()
                .putString(SPUtils.MAC, mac.trim())
                .apply();

        return mac;
    }


}