package de.tudarmstadt.informatik.hostage.ui2.fragment;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;

import android.annotation.SuppressLint;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import de.tudarmstadt.informatik.hostage.R;
import de.tudarmstadt.informatik.hostage.logging.Record;
import de.tudarmstadt.informatik.hostage.logging.Record.TYPE;
import de.tudarmstadt.informatik.hostage.logging.UglyDbHelper;
import de.tudarmstadt.informatik.hostage.ui.LogFilter;
import de.tudarmstadt.informatik.hostage.ui.LogFilter.SortType;
import de.tudarmstadt.informatik.hostage.ui2.dialog.ChecklistDialog;
import de.tudarmstadt.informatik.hostage.ui2.dialog.DateTimeDialogFragment;

public class RecordOverviewFragment extends Fragment implements ChecklistDialog.ChecklistDialogListener, DateTimeDialogFragment.DateTimeDialogFragmentListener {
	static final String SELECTED_KEY = "Selected";
	static final String OTHERS_KEY = "Other";
	
	static final String FILTER_MENU_TITLE_BSSID = "BSSID";
	static final String FILTER_MENU_TITLE_ESSID = "ESSID";
	static final String FILTER_MENU_TITLE_PROTOCOLS = "Protocols";
	static final String FILTER_MENU_TITLE_TIMESTAMP_BELOW = "To Date";
	static final String FILTER_MENU_TITLE_TIMESTAMP_ABOVE = "From Date";
	static final String FILTER_MENU_TITLE_SORTING = "Sort by";
	static final String FILTER_MENU_TITLE_REMOVE = "Remove";
	
	private boolean wasBelowTimePicker;

	private LogFilter filter;
	private ListView listView;
	private boolean showFilterButton;
	UglyDbHelper dbh;
	
	
    public RecordOverviewFragment(){}
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {

		
		dbh = new UglyDbHelper(this.getActivity().getBaseContext());
	    // Get the message from the intent
	    Intent intent = this.getActivity().getIntent();
	    LogFilter filter = intent.getParcelableExtra(LogFilter.LOG_FILTER_INTENT_KEY);

	    if(filter == null){
	    	this.clearFilter();
	    } else {
	    	this.filter = filter;
	    }

	    this.setShowFilterButton(!this.filter.isNotEditable());
	    
	    this.addRecordToDB();
	    
		View rootView = inflater.inflate(R.layout.fragment_record_list, container, false);
		ListView mylist = (ListView) rootView.findViewById(R.id.loglistview);
		this.listView = mylist;
		populateListViewFromDB(mylist);
		
		registerListClickCallback(mylist);
		
		return rootView;
	 }
	
	private void clearFilter(){
    	this.filter = new LogFilter();
    	this.filter.setProtocols(this.protocolTitles());
    	this.filter.setBSSIDs(this.bssids());
    	this.filter.setESSIDs(this.essids());
	}
	
	private void populateListViewFromDB(ListView mylist) {
		
		ArrayList<HashMap<String, String>> Items = new ArrayList<HashMap<String, String>>();

		ArrayList<Record> data = dbh.getRecordsForFilter(this.filter);    
		

		for (Record val : data) {
			HashMap<String, String> map = new HashMap<String, String>();
			map.put(this.getString(R.string.RecordBSSID), val.getBssid());
			map.put(this.getString(R.string.RecordSSID), val.getSsid());
			map.put(this.getString(R.string.RecordProtocol), val.getProtocol());
			map.put(this.getString(R.string.RecordTimestamp),
					this.getDateAsString(val.getTimestamp()));
			Items.add(map);
		}
	        
	     // Adding Items to ListView
	        String keys[] = new String[] { this.getString(R.string.RecordBSSID), this.getString(R.string.RecordSSID), this.getString(R.string.RecordProtocol), this.getString(R.string.RecordTimestamp)};
	        int ids[] = new int[] {R.id.RecordTextFieldBSSID, R.id.RecordTextFieldSSID, R.id.RecordTextFieldProtocol, R.id.RecordTextFieldTimestamp };
	        
	        ListAdapter adapter = new SimpleAdapter(this.getActivity(), Items, R.layout.loglist_row, keys, ids);
	        
	        mylist.setAdapter(adapter);
	}
	
	private Context getBaseContext(){
		return this.getActivity().getBaseContext();
	}
	
	private Context getApplicationContext(){
		return this.getActivity().getApplicationContext();
	}
	
	private void registerListClickCallback(ListView mylist) {

		mylist.setOnItemClickListener(new AdapterView.OnItemClickListener() {
			public void onItemClick(AdapterView<?> parent, View viewClicked,
					int position, long idInDB) {
				UglyDbHelper dbh = new UglyDbHelper(getBaseContext());
				Record rec = dbh.getRecord((int) idInDB);
				String message = createInformationStringFromRecord(rec);
				Toast.makeText(getApplicationContext(), message,
						Toast.LENGTH_LONG).show();
			}

			private String createInformationStringFromRecord(Record rec) {
				String message = "id: " + rec.getId() + "\n" + "attack_id: "
						+ rec.getAttack_id() + "\n" + "protocol: "
						+ rec.getProtocol() + "\n" + "type: " + rec.getType()
						+ "\n" + "externalIP: " + rec.getExternalIP() + "\n"
						+ "localIP: " + rec.getLocalIP() + "\n"
						+ "local port: " + rec.getLocalPort() + "\n"
						+ "remoteIP: " + rec.getRemoteIP() + "\n" + "BSSID: "
						+ rec.getBssid() + "\n" + "SSID: " + rec.getSsid()
						+ "\n" + "latitude: " + rec.getLatitude() + "\n"
						+ "longitude: " + rec.getLongitude() + "\n"
						+ "accuracy: " + rec.getAccuracy() + "\n" + "packet: "
						+ rec.getPacket() + "\n"
						+ getDateAsString(rec.getTimestamp()) + "";
				return message;
			}

			@SuppressLint("SimpleDateFormat")
			private String getDateAsString(long timeStamp) {

				try {
					DateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
					Date netDate = (new Date(timeStamp));
					return sdf.format(netDate);
				} catch (Exception ex) {
					return "xx";
				}
			}

		});
	}
	

	public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
		super.onCreateOptionsMenu(menu, inflater);
		if(this.showFilterButton){
			for(String title : this.filterTitles()){
				MenuItem item = menu.add(title);
				
			}
		}
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		String title = item.getTitle().toString();
		
		if(title.equals(FILTER_MENU_TITLE_BSSID)){
			this.openBSSIDFilterDialog();
		}
		if(title.equals(FILTER_MENU_TITLE_ESSID)){
			this.openESSIDFilterDialog();
		}		
		if(title.equals(FILTER_MENU_TITLE_PROTOCOLS)){
			this.openProtocolsFilterDialog();
		}
		if(title.equals(FILTER_MENU_TITLE_SORTING)){
			this.openSortingDialog();
		}
		if(title.equals(FILTER_MENU_TITLE_REMOVE)){
			this.clearFilter();
		}
		if(title.equals(FILTER_MENU_TITLE_TIMESTAMP_BELOW)){
			this.openTimestampToFilterDialog();
		}
		if(title.equals(FILTER_MENU_TITLE_TIMESTAMP_ABOVE)){
			this.openTimestampFromFilterDialog();
		}
		return super.onOptionsItemSelected(item);
	}
	
	
	
	
	private void openBSSIDFilterDialog(){
	    Intent intent = this.getActivity().getIntent();
	    intent.putExtra(ChecklistDialog.DIALOG_TITLE_KEY, FILTER_MENU_TITLE_BSSID);
	    intent.putExtra(ChecklistDialog.DIALOG_IS_MULTIPLECHOICE_KEY, true);

	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_TITLE_ARRAY_KEY, this.bssids());
	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_MULTIPLECHOICE_SELECTED_KEY, this.selectedBSSIDs());
		
		ChecklistDialog newFragment = new ChecklistDialog();
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_BSSID);
	}
	
	private void openESSIDFilterDialog(){
		
	    Intent intent = this.getActivity().getIntent();
	    intent.putExtra(ChecklistDialog.DIALOG_TITLE_KEY, FILTER_MENU_TITLE_ESSID);
	    intent.putExtra(ChecklistDialog.DIALOG_IS_MULTIPLECHOICE_KEY, true);

	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_TITLE_ARRAY_KEY, this.essids());
	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_MULTIPLECHOICE_SELECTED_KEY, this.selectedESSIDs());
		
		ChecklistDialog newFragment = new ChecklistDialog();
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_ESSID);
	}
	
	private void openProtocolsFilterDialog(){
	    Intent intent = this.getActivity().getIntent();
	    intent.putExtra(ChecklistDialog.DIALOG_TITLE_KEY, FILTER_MENU_TITLE_PROTOCOLS);
	    intent.putExtra(ChecklistDialog.DIALOG_IS_MULTIPLECHOICE_KEY, true);

	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_TITLE_ARRAY_KEY, this.protocolTitles());
	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_MULTIPLECHOICE_SELECTED_KEY, this.selectedProtocols());
		
		ChecklistDialog newFragment = new ChecklistDialog();
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_PROTOCOLS);
	}
	
	private void openTimestampFromFilterDialog(){
		this.wasBelowTimePicker = false;
		DateTimeDialogFragment newFragment = new DateTimeDialogFragment(this.getActivity());
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_SORTING);
	}
	
	private void openTimestampToFilterDialog(){
		this.wasBelowTimePicker = true;
		DateTimeDialogFragment newFragment = new DateTimeDialogFragment(this.getActivity());
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_SORTING);
	}
	
	private void openSortingDialog(){
	    Intent intent = this.getActivity().getIntent();
	    intent.putExtra(ChecklistDialog.DIALOG_TITLE_KEY, FILTER_MENU_TITLE_SORTING);
	    intent.putExtra(ChecklistDialog.DIALOG_IS_MULTIPLECHOICE_KEY, false);
	    
	     intent.putStringArrayListExtra(ChecklistDialog.DIALOG_TITLE_ARRAY_KEY, this.sortTypeTtiles());
	     intent.putExtra(ChecklistDialog.DIALOG_SELECTED_INDEX_KEY, this.filter.sorttype.getValue());
		
		ChecklistDialog newFragment = new ChecklistDialog();
	    newFragment.show(this.getActivity().getFragmentManager(), FILTER_MENU_TITLE_SORTING);
	}
	
	
	public void onDialogPositiveClick(ChecklistDialog dialog) {
		// TODO Auto-generated method stub
		String title = dialog.getTitle();
		if(title.equals(FILTER_MENU_TITLE_BSSID)){
			this.filter.setBSSIDs(dialog.getSelectedItemTitles());
		}
		if(title.equals(FILTER_MENU_TITLE_ESSID)){
			this.filter.setESSIDs(dialog.getSelectedItemTitles());
		}
		if(title.equals(FILTER_MENU_TITLE_PROTOCOLS)){
			this.filter.setProtocols(dialog.getSelectedItemTitles());
		}
		if(title.equals(FILTER_MENU_TITLE_SORTING)){
			ArrayList<String> titles = dialog.getSelectedItemTitles();
			String t = titles.get(0);
			int sortType = this.sortTypeTtiles().indexOf(t);
			this.filter.setSorttype(SortType.values()[sortType]);
		}
		this.populateListViewFromDB(this.listView);
	}

	public void onDialogNegativeClick(ChecklistDialog dialog) {
		// nothing in here
	}

	
	
	@SuppressLint("SimpleDateFormat")
	private String getDateAsString(long timeStamp) {

		try {
			DateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
			Date netDate = (new Date(timeStamp));
			return sdf.format(netDate);
		} catch (Exception ex) {
			return "xx";
		}
	}

	public boolean isShowFilterButton() {
		return showFilterButton;
	}

	public void setShowFilterButton(boolean showFilterButton) {
		this.showFilterButton = showFilterButton;
	}
	
	
	public ArrayList<String> protocolTitles(){
		ArrayList<String> titles = new ArrayList<String>();
		for (String protocol : this.getResources().getStringArray(
				R.array.protocols)) {
			titles.add(protocol);
		}
		return titles;
	}
	public ArrayList<String> selectedProtocols(){
		return this.filter.protocols;
	}

	public ArrayList<String> sortTypeTtiles(){
		ArrayList<String> titles = new ArrayList<String>();
		titles.add("Time");
		titles.add("Protocol");
		titles.add("BSSID");
		titles.add("ESSID");
		titles.add("Remote Host Name");
		titles.add("Local Host Name");
		//titles.add("Attack ID");
		//titles.add("ID");
		return titles;
	}
	
	public ArrayList<String> bssids(){
		ArrayList<String> titles = new ArrayList<String>();
		ArrayList<String> records = dbh.getUniqueBSSIDRecords();

		return records;
	}
	public ArrayList<String> selectedBSSIDs(){
		return this.filter.BSSIDs;
	}


	public ArrayList<String> essids(){
		ArrayList<String> titles = new ArrayList<String>();
		ArrayList<String> records = dbh.getUniqueESSIDRecords();

		return records;
	}
	public ArrayList<String> selectedESSIDs(){
		return this.filter.ESSIDs;
	}

	
	private ArrayList<String> filterTitles(){
		ArrayList<String> titles = new ArrayList<String>();
		titles.add(FILTER_MENU_TITLE_BSSID);
		titles.add(FILTER_MENU_TITLE_ESSID);
		titles.add(FILTER_MENU_TITLE_PROTOCOLS);
		titles.add(FILTER_MENU_TITLE_TIMESTAMP_ABOVE);
		titles.add(FILTER_MENU_TITLE_TIMESTAMP_BELOW);
		titles.add(FILTER_MENU_TITLE_SORTING);
		titles.add(FILTER_MENU_TITLE_REMOVE);
		return titles;
	}

	
	
	
	/*****************************
	 * 
	 *          TEST 
	 * 
	 * ***************************/
	
	private void addRecordToDB() {
		Calendar cal = Calendar.getInstance();

		int maxProtocolsIndex = this.getResources().getStringArray(
				R.array.protocols).length;

		int numberofRecords = (int) (Math.random() * (50 - 10));
		for (int i = 0; i < numberofRecords; i++) {
			Record record = new Record();
			record.setBssid("BSSID: " + i);
			record.setSsid("SSID: w" + i);
			record.setTimestamp(cal.getTimeInMillis()
					+ ((i * 60 * 60 * 60 * 24) * 1000));

			int index = i % maxProtocolsIndex;
			String protocolName = this.getResources().getStringArray(
					R.array.protocols)[index];

			record.setProtocol(protocolName);
			record.setId(i);
			record.setAttack_id(i);

			record.setLocalIP("127.0.0.1");
			record.setType(TYPE.SEND);

			dbh.addRecord(record);
		}
	}

	public void onDateTimePickerPositiveClick(DateTimeDialogFragment dialog) {
		if(this.wasBelowTimePicker){
			this.filter.setBelowTimestamp(dialog.getDate());
		} else {
			this.filter.setAboveTimestamp(dialog.getDate());
		}
		this.populateListViewFromDB(listView);
	}

	public void onDateTimePickerNegativeClick(DateTimeDialogFragment dialog) {
		// nothing in here
	}

}