package com.xypower.mpremote;

import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.text.format.Formatter;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

import com.xypower.common.FileUtils;
import com.xypower.common.MicroPhotoContext;
import com.xypower.mpremote.databinding.ActivityMainBinding;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.security.PrivateKey;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import dadb.AdbKeyPair;
import dadb.AdbShellResponse;
import dadb.AdbShellStream;
import dadb.AdbStream;
import dadb.Dadb;

public class MainActivity extends AppCompatActivity {

    // Used to load the 'mpremote' library on application startup.
    static {
        System.loadLibrary("mpremote");
    }

    private static final String PACKAGE_NAME_MP = "com.xypower.mpapp";
    private static final String REMOTE_PATH_ROOT = "/sdcard/" + PACKAGE_NAME_MP + "/";
    private static final String REMOTE_PATH_DATA = REMOTE_PATH_ROOT + "data/";
    private static final String REMOTE_PATH_PHOTOS = REMOTE_PATH_ROOT + "photos/";
    private static final String REMOTE_PATH_TMP = REMOTE_PATH_ROOT + "tmp/";

    private static final String KEY_APP_BV = "app.bv";
    private static final String KEY_APP_BCV = "app.bcv";
    private static final String KEY_RO_SERIALNO = "ro.serialno";

    private static final int ADB_SERVER_PORT = 5555;

    private static final String WIFI_IP_PREFIX = "192.168.";
    // private static final String WIFI_IP_DEVIDE = "192.168.50.1";
    private static final String WIFI_IP_DEVIDE = "192.168.50.137";

    // [vendor.ril.nw.signalstrength.lte.1]: [-85,27]
    //[vendor.ril.nw.signalstrength.lte.2]: [-86,27]

    private ActivityMainBinding binding;
    private Handler mHandler;
    private Dadb mAdb;

    private Map<String, String> mProps = new HashMap<>();

    private int mBatteryVoltage = -1;
    private int mBatteryChargingVoltage = -1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        mHandler = new Handler();

        File file = new File(getFilesDir(), ".keypair");
        if (!file.exists()) {
            file.mkdirs();
        }

        final File pubKeyFile = new File(file, "pub.key");
        final File priKeyFile = new File(file, "pri.key");
        if (!priKeyFile.exists() || !pubKeyFile.exists()) {
            AdbKeyPair.generate(priKeyFile, pubKeyFile);
        }

        final File fileTmp = new File(getFilesDir(), "tmp");
        if (!fileTmp.exists()) {
            fileTmp.mkdirs();
        }

        final AdbKeyPair adbKeyPair = AdbKeyPair.read(priKeyFile, pubKeyFile);
        final Context context = getApplicationContext();

        (new Thread(new Runnable() {
            @Override
            public void run() {

                WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);

                String ipAddressByWifi = null;
                if (wifiManager != null) {
                    ipAddressByWifi = Formatter.formatIpAddress(wifiManager.getDhcpInfo().ipAddress);
                }

                if (ipAddressByWifi.contains(WIFI_IP_PREFIX)) {


                    String deviceId = Formatter.formatIpAddress(wifiManager.getDhcpInfo().gateway);
                    
                    Socket mSocket = null;
                    try {
                        mSocket = new Socket(WIFI_IP_DEVIDE, ADB_SERVER_PORT);
                        if (mSocket.isConnected()) {
                            mSocket.close();
                        }
                    } catch (Exception ex) {
                        ex.printStackTrace();
                    }

                    Dadb adb = Dadb.discover(WIFI_IP_DEVIDE, adbKeyPair);

                    if (adb != null) {

                        mAdb = adb;

                        AdbShellResponse adbShellResponse = null;
                        try {
                            adbShellResponse = mAdb.shell("getprop");
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }

                        if (adbShellResponse.getExitCode() == 0) {
                            String[] lines = FileUtils.splitLines(adbShellResponse.getAllOutput());
                            for (String line : lines) {
                                int pos = line.indexOf("]: [");
                                if (pos != -1) {
                                    String key = line.substring(1, pos);
                                    String val = line.substring(pos + 4, line.length() - 1);
                                    mProps.put(key, val);
                                }
                            }
                        }

                        String remoteFilePath = REMOTE_PATH_TMP + "bv.txt";
                        String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"query_bv\" --es path \"" + remoteFilePath + "\"";
                        adbShellResponse = null;
                        try {
                            adbShellResponse = mAdb.shell(cmd);
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }

                        if (adbShellResponse.getExitCode() == 0) {
                            File localFilePath = new File(fileTmp, "bv.txt");
                            if (localFilePath.exists()) {
                                localFilePath.delete();
                            }

                            for (int idx = 0; idx < 10; idx++) {

                                boolean res = pullFile(mAdb, remoteFilePath, localFilePath);

                                if (res) {
                                    String content = FileUtils.readTextFile(localFilePath.getAbsolutePath());
                                    if (!TextUtils.isEmpty(content)) {
                                        int pos = content.indexOf(" ");
                                        if (pos != -1) {
                                            String bv = content.substring(0, pos);
                                            String bcv = content.substring(pos + 1);

                                            if (!TextUtils.isEmpty(bv)) {
                                                mBatteryVoltage = Integer.parseInt(bv);
                                            }
                                            if (!TextUtils.isEmpty(bcv)) {
                                                mBatteryChargingVoltage = Integer.parseInt(bcv);
                                            }
                                        }
                                    }

                                    localFilePath.delete();
                                    break;
                                }

                                try {
                                    Thread.sleep(1000);
                                } catch (Exception ex) {
                                    ex.printStackTrace();
                                }
                            }

                            try {
                                mAdb.shell("rm " + remoteFilePath);
                            } catch (Exception ex) {
                                ex.printStackTrace();
                            }
                        }

                        File appConfigFile = new File(fileTmp, "App.json");
                        boolean res = pullFile(adb, REMOTE_PATH_DATA + "App.json", appConfigFile);
                        if (res) {

                            final MicroPhotoContext.AppConfig appConfig = MicroPhotoContext.getMpAppConfig(context, appConfigFile.getAbsolutePath());
                            MainActivity.this.mHandler.post(new Runnable() {
                                @Override
                                public void run() {
                                    MainActivity.this.showAppInfo(appConfig);
                                }
                            });
                        }

                    } else {
                        mHandler.post(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(MainActivity.this, R.string.err_dev_not_found, Toast.LENGTH_LONG).show();
                            }
                        });
                    }

                }

                // Dadb dadb = Dadb.create("localhost", 5555, adbKeyPair);
                // Dadb.discover();



            }
        })).start();

        binding.takePhoto1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                takePhoto(1, 255, true);
            }
        });

    }



    protected boolean pullFile(Dadb adb, String remoteFilePath, File localFilePath) {
        if (localFilePath.exists()) {
            localFilePath.delete();
        }

        boolean res = false;
        try {
            adb.pull(localFilePath, remoteFilePath);
            res = true;
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        return res && localFilePath.exists();
    }

    protected long takePhoto(int channel, int preset, boolean photoOrVideo) {
        if (mAdb == null) {
            return 0;
        }

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
        Date dt = new Date();
        int cameraId = channel - 1;

        final String fileName = "IMG-" + Integer.toString(channel) + simpleDateFormat.format(dt) + ".jpg";
        final String remoteFilePath = REMOTE_PATH_TMP + fileName;

        String usb = (channel == 4) ? "true" : "false";
        final String cmd = "am start -n " + PACKAGE_NAME_MP + "/" + PACKAGE_NAME_MP + ".BridgeActivity --es action \"take_photo\" --es path \""
                + remoteFilePath + "\" --ez usb " + usb + " --ei cameraId " + Integer.toString(cameraId) + " --ei channel "
                + Integer.toString(channel) + " --ei preset " + Integer.toString(preset);
        // adbShellResponse = null;

        (new Thread(new Runnable() {
            @Override
            public void run() {
                AdbShellResponse adbShellResponse = null;
                try {
                    adbShellResponse = mAdb.shell(cmd);
                } catch (Exception ex) {
                    ex.printStackTrace();
                }

                if (adbShellResponse != null) {
                    if (adbShellResponse.getExitCode() == 0) {

                        File localFilePath = new File(getFilesDir(), fileName);

                        for (int idx = 0; idx < 10; idx++) {

                            boolean res = pullFile(mAdb, remoteFilePath, localFilePath);

                            if (res) {

                                mHandler.post(new Runnable() {
                                    @Override
                                    public void run() {
                                        showPhoto(localFilePath.getAbsolutePath());
                                    }
                                });
                                break;
                            }

                            try {
                                Thread.sleep(1000);
                            } catch (Exception ex) {
                                ex.printStackTrace();
                            }
                        }

                        try {
                            mAdb.shell("rm " + remoteFilePath);
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }

                    }
                }
            }
        })).start();

        return 0;
    }

    private void showPhoto(final String filePath) {
        Intent intent = new Intent(MainActivity.this, ImageActivity.class);
        intent.putExtra("path", filePath);
        // intent.putExtra("info", info);
        startActivity(intent);
    }

    private void showVideo(final String filePath) {

    }

    private void showAppInfo(final MicroPhotoContext.AppConfig appConfig) {
        ActionBar actionBar = getSupportActionBar();

        // 视频浏览，拍照，设备信息及状态查询(编号，版本，双SIM卡状态，电池及太阳能电压等)，可以参考东视

        Resources resources = getResources();
        // String buildTime = BuildConfig.BUILD_
        // Date date = new Date(BuildConfig.BUILD_TIMESTAMP);
        // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        String title = resources.getString(R.string.app_name);
        if (!TextUtils.isEmpty(appConfig.cmdid)) {
            title += " - " + appConfig.cmdid;
        }
        actionBar.setTitle(title);

        StringBuilder stringBuilder = new StringBuilder();

        if (mProps.containsKey(KEY_RO_SERIALNO)) {
            String val = (String)mProps.get(KEY_RO_SERIALNO);
            stringBuilder.append("序列号：" + val);
            stringBuilder.append("\r\n");
        }

        stringBuilder.append("主站：" + appConfig.server + ":" + Integer.toString(appConfig.port));
        stringBuilder.append("\r\n");
        stringBuilder.append("通道数：" + Integer.toString(appConfig.channels));
        stringBuilder.append("\r\n");

        if (mBatteryVoltage != -1) {
            stringBuilder.append("电池电压：" + Integer.toString(mBatteryVoltage / 1000) + "." + Integer.toString((mBatteryVoltage % 1000) / 100));
            stringBuilder.append("\r\n");
        }
        if (mBatteryChargingVoltage != -1) {
            stringBuilder.append("充电电压：" + Integer.toString(mBatteryChargingVoltage / 1000) + "." + Integer.toString((mBatteryChargingVoltage % 1000) / 100));
            stringBuilder.append("\r\n");
        }

        binding.deviceInfo.setText(stringBuilder.toString());
    }

    /**
     * A native method that is implemented by the 'mpremote' native library,
     * which is packaged with this application.
     */
    public native String stringFromJNI();
}