package de.tudarmstadt.informatik.hostage.ui2.fragment;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.Switch;
import android.widget.TextView;

import de.tudarmstadt.informatik.hostage.R;
import de.tudarmstadt.informatik.hostage.commons.HelperUtils;

/**
 * @author Alexander Brakowski
 * @created 13.01.14 19:06
 */


public class HomeFragment extends Fragment {
	private Switch mHomeSwitchConnection;
	private TextView mHomeTextName;
	private TextView mHomeTextSecurity;
	private TextView mHomeTextAttacks;
	private TextView mHomeTextProfile;
	private TextView mHomeTextProfileHeader;

	private View rootView;
	private BroadcastReceiver wifiReceiver;

	private CompoundButton.OnCheckedChangeListener switchChangeListener = null;

	private int defaultTextColor;

	private void assignViews() {
		mHomeSwitchConnection = (Switch) rootView.findViewById(R.id.home_switch_connection);
		mHomeTextName = (TextView) rootView.findViewById(R.id.home_text_name);
		mHomeTextSecurity = (TextView) rootView.findViewById(R.id.home_text_security);
		mHomeTextAttacks = (TextView) rootView.findViewById(R.id.home_text_attacks);
		mHomeTextProfile = (TextView) rootView.findViewById(R.id.home_text_profile);
		mHomeTextProfileHeader = (TextView) rootView.findViewById(R.id.home_text_profile_header);
	}

	private void registerBroadcastReceiver(){
		wifiReceiver = new BroadcastReceiver() {
			@Override
			public void onReceive(Context context, Intent intent) {
				final String action = intent.getAction();
				//if (action.equals(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION) || action.equals(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION)) {
					updateUI();
					/*if (intent.getBooleanExtra(WifiManager.EXTRA_SUPPLICANT_CONNECTED, false)){

					} else {
						// wifi connection was lost
					}*/
				//}
			}
		};

		IntentFilter intentFilter = new IntentFilter();
		intentFilter.addAction(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION);
		intentFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION);
		intentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
		intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);

		getActivity().registerReceiver(wifiReceiver, intentFilter);
	}

	public HomeFragment(){}

	public void setStateNotActive(){
		mHomeTextName.setTextColor(getResources().getColor(R.color.light_grey));
		mHomeTextSecurity.setTextColor(getResources().getColor(R.color.light_grey));
		mHomeTextAttacks.setTextColor(getResources().getColor(R.color.light_grey));
		mHomeTextProfile.setTextColor(getResources().getColor(R.color.light_grey));
		mHomeTextProfileHeader.setTextColor(getResources().getColor(R.color.light_grey));

		mHomeSwitchConnection.setChecked(false);
	}

	public void setStateActive(){
		mHomeTextAttacks.setText("0 attacks recorded");
		mHomeTextSecurity.setText("Secure");
		mHomeTextAttacks.setTextColor(getResources().getColor(R.color.holo_dark_green));
		mHomeTextSecurity.setTextColor(getResources().getColor(R.color.holo_dark_green));

		mHomeTextAttacks.setVisibility(View.VISIBLE);
		mHomeTextSecurity.setVisibility(View.VISIBLE);

		mHomeTextName.setTextColor(defaultTextColor);
		mHomeTextProfile.setTextColor(defaultTextColor);
		mHomeTextProfileHeader.setTextColor(defaultTextColor);

		mHomeSwitchConnection.setChecked(true);
	}

	public void setStateNotConnected(){
		mHomeTextSecurity.setVisibility(View.INVISIBLE);
		mHomeTextAttacks.setVisibility(View.INVISIBLE);
		mHomeTextProfile.setVisibility(View.INVISIBLE);
		mHomeTextProfileHeader.setVisibility(View.INVISIBLE);

		mHomeTextName.setText("Not connected");
	}

	public void setStateConnected(){
		mHomeTextProfile.setVisibility(View.VISIBLE);
		mHomeTextProfileHeader.setVisibility(View.VISIBLE);
	}

	public void updateUI(){
		if(!HelperUtils.isWifiConnected(getActivity())){
			mHomeSwitchConnection.setOnCheckedChangeListener(null);
			setStateNotConnected();
			setStateNotActive();
			mHomeSwitchConnection.setOnCheckedChangeListener(switchChangeListener);
		} else {
			setStateConnected();
			mHomeTextName.setText(HelperUtils.getSSID(getActivity()));
		}
	}

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

	    super.onCreateView(inflater, container, savedInstanceState);

        rootView = inflater.inflate(R.layout.fragment_home, container, false);
	    assignViews();

	    defaultTextColor = mHomeTextName.getCurrentTextColor();

	    setStateNotActive();
	    setStateNotConnected();

	    registerBroadcastReceiver();

	    updateUI();

	    mHomeSwitchConnection = (Switch) rootView.findViewById(R.id.home_switch_connection);

	    if(switchChangeListener == null){
		    switchChangeListener = new CompoundButton.OnCheckedChangeListener() {
			    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
				    if(!HelperUtils.isWifiConnected(getActivity())){
					    new AlertDialog.Builder(getActivity())
							    .setTitle("Information")
							    .setMessage("You are not connected to a WiFi network. \n\nPlease connect to one, before trying to activate HosTaGe.")
							    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
								    public void onClick(DialogInterface dialog, int which) {

								    }
							    })
							    .setIcon(android.R.drawable.ic_dialog_info)
							    .show();


					    setStateNotActive();
					    setStateNotConnected();
				    } else {
					    if(isChecked){
						    setStateActive();
					    } else {
						    setStateNotActive();
					    }
				    }
			    }
		    };
	    }
	    mHomeSwitchConnection.setOnCheckedChangeListener(switchChangeListener);

        return rootView;
    }

	@Override
	public void onDestroy(){
		super.onDestroy();
		getActivity().unregisterReceiver(wifiReceiver);
	}
}