/**
 * Copyright (C) 2013 Aurélien Chabot <aurelien@chabot.fr>
 * <p>
 * This file is part of DroidUPNP.
 * <p>
 * DroidUPNP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * DroidUPNP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with DroidUPNP.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.droidupnp;

import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;

import com.reactlibrary.R;
import com.reactlibrary.RNUpnpModule;

import org.droidupnp.controller.upnp.IUpnpServiceController;
import org.droidupnp.model.upnp.IFactory;
import org.droidupnp.view.ContentDirectoryFragment;
import org.droidupnp.view.SettingsActivity;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;

public class Main extends AppCompatActivity {
    private static final String TAG = "Main";
    private static final int REQUEST_READ_EXT_STORAGE = 12345;

    // Controller
    public static IUpnpServiceController upnpServiceController = RNUpnpModule.upnpServiceController;
    public static IFactory factory = RNUpnpModule.factory;

    private ImageView imvBack;

//	private static Menu actionBarMenu = null;

    //	private DrawerFragment mDrawerFragment;
    private CharSequence mTitle;

    private static ContentDirectoryFragment mContentDirectoryFragment;

    public static void setContentDirectoryFragment(ContentDirectoryFragment f) {
        mContentDirectoryFragment = f;
    }

    public static ContentDirectoryFragment getContentDirectoryFragment() {
        return mContentDirectoryFragment;
    }

//	public static void setSearchVisibility(boolean visibility)
//	{
//		if(actionBarMenu == null)
//			return;
//
//		MenuItem item = actionBarMenu.findItem(R.id.action_search);
//
//		if(item != null)
//			item.setVisible(visibility);
//	}

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Log.d(TAG, "onCreated : " + savedInstanceState + factory + upnpServiceController);

        boolean tabletSize = getResources().getBoolean(R.bool.isTablet);
        if(tabletSize) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        } else {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        }

        // Use cling factory
        if (factory == null)
//			factory = new org.droidupnp.controller.cling.Factory();
            factory = RNUpnpModule.factory;

        // Upnp service
        if (upnpServiceController == null)
//			upnpServiceController = factory.createUpnpServiceController(this);
            upnpServiceController = RNUpnpModule.upnpServiceController;

//		if(getFragmentManager().findFragmentById(R.id.navigation_drawer) instanceof DrawerFragment)
//		{
//			mDrawerFragment = (DrawerFragment)
//					getFragmentManager().findFragmentById(R.id.navigation_drawer);
//			mTitle = getTitle();
//
//			// Set up the drawer.
//			mDrawerFragment.setUp(
//				R.id.navigation_drawer,
//				(DrawerLayout) findViewById(R.id.drawer_layout));
//		}

        if (Build.VERSION.SDK_INT >= 23) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_READ_EXT_STORAGE);
            }
        }

        imvBack = (ImageView) findViewById(R.id.imvBack);
        imvBack.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });
    }

    @Override
    public void onResume() {
        Log.v(TAG, "Resume activity");
        upnpServiceController.resume(this);
        super.onResume();
    }

    @Override
    public void onPause() {
        Log.v(TAG, "Pause activity");
        upnpServiceController.pause();
        upnpServiceController.getServiceListener().getServiceConnexion().onServiceDisconnected(null);
        super.onPause();
    }

    public static void refresh() {
        upnpServiceController.getServiceListener().refresh();
        ContentDirectoryFragment cd = getContentDirectoryFragment();
        if (cd != null)
            cd.refresh();
    }

//	public void restoreActionBar() {
//		ActionBar actionBar = getSupportActionBar();
//		if(actionBar!=null) {
//			actionBar.setDisplayShowTitleEnabled(true);
//			actionBar.setTitle(mTitle);
//		}
//	}

//	@Override
//	public boolean onCreateOptionsMenu(Menu menu) {
//		getMenuInflater().inflate(R.menu.main, menu);
//		actionBarMenu = menu;
//		restoreActionBar();
//		return super.onCreateOptionsMenu(menu);
//	}

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.

        // Handle item selection
        int i = item.getItemId();
        if (i == R.id.menu_refresh) {
            refresh();

        } else if (i == R.id.menu_settings) {
            startActivity(new Intent(this, SettingsActivity.class).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP));

        } else if (i == R.id.menu_quit) {
            finish();

        } else {
            return super.onOptionsItemSelected(item);
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onBackPressed() {
        ContentDirectoryFragment cd = getContentDirectoryFragment();
        if (cd != null && !cd.goBack()) {
            return;
        }
        super.onBackPressed();
    }

    private static InetAddress getLocalIpAdressFromIntf(String intfName) {
        try {
            NetworkInterface intf = NetworkInterface.getByName(intfName);
            if (intf.isUp()) {
                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                    InetAddress inetAddress = enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address)
                        return inetAddress;
                }
            }
        } catch (Exception e) {
            Log.w(TAG, "Unable to get ip adress for interface " + intfName);
        }
        return null;
    }

    public static InetAddress getLocalIpAddress(Context ctx) throws UnknownHostException {
        WifiManager wifiManager = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        int ipAddress = wifiInfo.getIpAddress();
        if (ipAddress != 0)
            return InetAddress.getByName(String.format("%d.%d.%d.%d",
                    (ipAddress & 0xff), (ipAddress >> 8 & 0xff),
                    (ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff)));

        Log.d(TAG, "No ip adress available throught wifi manager, try to get it manually");

        InetAddress inetAddress;

        inetAddress = getLocalIpAdressFromIntf("wlan0");
        if (inetAddress != null) {
            Log.d(TAG, "Got an ip for interfarce wlan0");
            return inetAddress;
        }

        inetAddress = getLocalIpAdressFromIntf("usb0");
        if (inetAddress != null) {
            Log.d(TAG, "Got an ip for interfarce usb0");
            return inetAddress;
        }

        return InetAddress.getByName("0.0.0.0");
    }
}