package com.blankj.utilcode.util;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.PowerManager;
import android.provider.Settings;
import android.support.annotation.RequiresPermission;
import android.text.TextUtils;

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

import static android.Manifest.permission.ACCESS_WIFI_STATE;
import static android.Manifest.permission.INTERNET;

/**
 * <pre>
 *     author: Blankj
 *     blog  : http://blankj.com
 *     time  : 2016/8/1
 *     desc  : utils about device
 * </pre>
 */
public final class DeviceUtils {

    private DeviceUtils() {
        throw new UnsupportedOperationException("u can't instantiate me...");
    }

    /**
     * Return whether device is rooted.
     *
     * @return {@code true}: yes<br>{@code false}: no
     */
    public static boolean isDeviceRooted() {
        String su = "su";
        String[] locations = {"/system/bin/", "/system/xbin/", "/sbin/", "/system/sd/xbin/",
                "/system/bin/failsafe/", "/data/local/xbin/", "/data/local/bin/", "/data/local/"};
        for (String location : locations) {
            if (new File(location + su).exists()) {
                return true;
            }
        }
        return false;
    }

    /**
     * Return the version name of device's system.
     *
     * @return the version name of device's system
     */
    public static String getSDKVersionName() {
        return android.os.Build.VERSION.RELEASE;
    }

    /**
     * Return version code of device's system.
     *
     * @return version code of device's system
     */
    public static int getSDKVersionCode() {
        return android.os.Build.VERSION.SDK_INT;
    }

    /**
     * Return the android id of device.
     *
     * @return the android id of device
     */
    @SuppressLint("HardwareIds")
    public static String getAndroidID() {
        String id = Settings.Secure.getString(
                Utils.getApp().getContentResolver(),
                Settings.Secure.ANDROID_ID
        );
        return id == null ? "" : id;
    }

    /**
     * Return the MAC address.
     * <p>Must hold
     * {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />},
     * {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
     *
     * @return the MAC address
     */
    @RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
    public static String getMacAddress() {
        return getMacAddress((String[]) null);
    }

    /**
     * Return the MAC address.
     * <p>Must hold
     * {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />},
     * {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
     *
     * @return the MAC address
     */
    @RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
    public static String getMacAddress(final String... excepts) {
        String macAddress = getMacAddressByWifiInfo();
        if (isAddressNotInExcepts(macAddress, excepts)) {
            return macAddress;
        }
        macAddress = getMacAddressByNetworkInterface();
        if (isAddressNotInExcepts(macAddress, excepts)) {
            return macAddress;
        }
        macAddress = getMacAddressByInetAddress();
        if (isAddressNotInExcepts(macAddress, excepts)) {
            return macAddress;
        }
        macAddress = getMacAddressByFile();
        if (isAddressNotInExcepts(macAddress, excepts)) {
            return macAddress;
        }
        return "";
    }

    private static boolean isAddressNotInExcepts(final String address, final String... excepts) {
        if (excepts == null || excepts.length == 0) {
            return !"02:00:00:00:00:00".equals(address);
        }
        for (String filter : excepts) {
            if (address.equals(filter)) {
                return false;
            }
        }
        return true;
    }

    @SuppressLint({"HardwareIds", "MissingPermission"})
    private static String getMacAddressByWifiInfo() {
        try {
            Context context = Utils.getApp().getApplicationContext();
            WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
            if (wifi != null) {
                WifiInfo info = wifi.getConnectionInfo();
                if (info != null) return info.getMacAddress();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "02:00:00:00:00:00";
    }

    private static String getMacAddressByNetworkInterface() {
        try {
            Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
            while (nis.hasMoreElements()) {
                NetworkInterface ni = nis.nextElement();
                if (ni == null || !ni.getName().equalsIgnoreCase("wlan0")) continue;
                byte[] macBytes = ni.getHardwareAddress();
                if (macBytes != null && macBytes.length > 0) {
                    StringBuilder sb = new StringBuilder();
                    for (byte b : macBytes) {
                        sb.append(String.format("%02x:", b));
                    }
                    return sb.substring(0, sb.length() - 1);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "02:00:00:00:00:00";
    }

    private static String getMacAddressByInetAddress() {
        try {
            InetAddress inetAddress = getInetAddress();
            if (inetAddress != null) {
                NetworkInterface ni = NetworkInterface.getByInetAddress(inetAddress);
                if (ni != null) {
                    byte[] macBytes = ni.getHardwareAddress();
                    if (macBytes != null && macBytes.length > 0) {
                        StringBuilder sb = new StringBuilder();
                        for (byte b : macBytes) {
                            sb.append(String.format("%02x:", b));
                        }
                        return sb.substring(0, sb.length() - 1);
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "02:00:00:00:00:00";
    }

    private static InetAddress getInetAddress() {
        try {
            Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
            while (nis.hasMoreElements()) {
                NetworkInterface ni = nis.nextElement();
                // To prevent phone of xiaomi return "10.0.2.15"
                if (!ni.isUp()) continue;
                Enumeration<InetAddress> addresses = ni.getInetAddresses();
                while (addresses.hasMoreElements()) {
                    InetAddress inetAddress = addresses.nextElement();
                    if (!inetAddress.isLoopbackAddress()) {
                        String hostAddress = inetAddress.getHostAddress();
                        if (hostAddress.indexOf(':') < 0) return inetAddress;
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        return null;
    }

    private static String getMacAddressByFile() {
        ShellUtils.CommandResult result = ShellUtils.execCmd("getprop wifi.interface", false);
        if (result.result == 0) {
            String name = result.successMsg;
            if (name != null) {
                result = ShellUtils.execCmd("cat /sys/class/net/" + name + "/address", false);
                if (result.result == 0) {
                    String address = result.successMsg;
                    if (address != null && address.length() > 0) {
                        return address;
                    }
                }
            }
        }
        return "02:00:00:00:00:00";
    }

    /**
     * Return the manufacturer of the product/hardware.
     * <p>e.g. Xiaomi</p>
     *
     * @return the manufacturer of the product/hardware
     */
    public static String getManufacturer() {
        return Build.MANUFACTURER;
    }

    /**
     * Return the model of device.
     * <p>e.g. MI2SC</p>
     *
     * @return the model of device
     */
    public static String getModel() {
        String model = Build.MODEL;
        if (model != null) {
            model = model.trim().replaceAll("\\s*", "");
        } else {
            model = "";
        }
        return model;
    }

    /**
     * Return an ordered list of ABIs supported by this device. The most preferred ABI is the first
     * element in the list.
     *
     * @return an ordered list of ABIs supported by this device
     */
    public static String[] getABIs() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            return Build.SUPPORTED_ABIS;
        } else {
            if (!TextUtils.isEmpty(Build.CPU_ABI2)) {
                return new String[]{Build.CPU_ABI, Build.CPU_ABI2};
            }
            return new String[]{Build.CPU_ABI};
        }
    }

    /**
     * Shutdown the device
     * <p>Requires root permission
     * or hold {@code android:sharedUserId="android.uid.system"},
     * {@code <uses-permission android:name="android.permission.SHUTDOWN/>}
     * in manifest.</p>
     */
    public static void shutdown() {
        ShellUtils.execCmd("reboot -p", true);
        Intent intent = new Intent("android.intent.action.ACTION_REQUEST_SHUTDOWN");
        intent.putExtra("android.intent.extra.KEY_CONFIRM", false);
        Utils.getApp().startActivity(intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
    }

    /**
     * Reboot the device.
     * <p>Requires root permission
     * or hold {@code android:sharedUserId="android.uid.system"} in manifest.</p>
     */
    public static void reboot() {
        ShellUtils.execCmd("reboot", true);
        Intent intent = new Intent(Intent.ACTION_REBOOT);
        intent.putExtra("nowait", 1);
        intent.putExtra("interval", 1);
        intent.putExtra("window", 0);
        Utils.getApp().sendBroadcast(intent);
    }

    /**
     * Reboot the device.
     * <p>Requires root permission
     * or hold {@code android:sharedUserId="android.uid.system"},
     * {@code <uses-permission android:name="android.permission.REBOOT" />}</p>
     *
     * @param reason code to pass to the kernel (e.g., "recovery") to
     *               request special boot modes, or null.
     */
    public static void reboot(final String reason) {
        PowerManager mPowerManager =
                (PowerManager) Utils.getApp().getSystemService(Context.POWER_SERVICE);
        try {
            if (mPowerManager == null) return;
            mPowerManager.reboot(reason);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Reboot the device to recovery.
     * <p>Requires root permission.</p>
     */
    public static void reboot2Recovery() {
        ShellUtils.execCmd("reboot recovery", true);
    }

    /**
     * Reboot the device to bootloader.
     * <p>Requires root permission.</p>
     */
    public static void reboot2Bootloader() {
        ShellUtils.execCmd("reboot bootloader", true);
    }
}
