package de.tudarmstadt.informatik.hostage.ui;

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.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
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.DatabaseHandler;
import de.tudarmstadt.informatik.hostage.logging.Record;
import de.tudarmstadt.informatik.hostage.logging.Record.TYPE;

/**
 * Creates a simple log view. Shows the Information for every attack. The format
 * ist defined in {@link Record#toString(int)}.
 * 
 * @author Lars Pandikow
 * 
 */
@SuppressLint("NewApi")
public class ViewLogTable extends Activity{
	DatabaseHandler dbh;

	private ArrayList<String> selectedProtocols;
	
	private LogFilter filter;
	private boolean showFilterButton;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
	    // Get the message from the intent
	    Intent intent = getIntent();
	    LogFilter filter = intent.getParcelableExtra(LogFilter.LOG_FILTER_INTENT_KEY);

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

	    this.showFilterButton = !filter.isNotEditable();
	    
	    
		this.selectedProtocols = new ArrayList<String>();

//		for (String protocol : this.getResources().getStringArray(
//				R.array.protocols)) {
//			this.selectedProtocols.add(protocol);
//		}

		dbh = new DatabaseHandler(getBaseContext());
		setContentView(R.layout.activity_loglist);

		this.addRecordToDB();

		populateListViewFromDB();
		registerListClickCallback();
	}

	public class RecordComparator implements Comparator<Record> {
		public int compare(Record o1, Record o2) {
			long time1 = o1.getTimestamp();
			long time2 = o2.getTimestamp();
			if (time1 < time2)
				return -1;
			if (time1 > time2)
				return 1;
			return 0;
		}
	}

	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);
			try {
				InetAddress localIP = InetAddress.getByAddress("Digga",
						new byte[] { 127, 0, 0, 1 }); // .getByName("192.168.2.1");
				record.setLocalIP(localIP);
				record.setRemoteIP(InetAddress.getByAddress("Digga",
						new byte[] { 127, 1, 1, 1 }));
				record.setType(TYPE.SEND);
			} catch (UnknownHostException e) {
				e.printStackTrace();
			}

			dbh.addRecord(record);
		}
	}

	private void populateListViewFromDB() {
		
		ListView mylist = (ListView) findViewById(R.id.loglistview);
	    
		ArrayList<HashMap<String, String>> Items = new ArrayList<HashMap<String, String>>();

		ArrayList<Record> data = dbh.getRecordsForFilter(this.filter);    
		Collections.sort(data, new RecordComparator());
		

	        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, Items, R.layout.loglist_row, keys, ids);
	        
	        mylist.setAdapter(adapter);
	}

	@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";
		}
	}

	private void registerListClickCallback() {
		ListView mylist = (ListView) findViewById(R.id.loglistview);

		mylist.setOnItemClickListener(new AdapterView.OnItemClickListener() {
			public void onItemClick(AdapterView<?> parent, View viewClicked,
					int position, long idInDB) {
				DatabaseHandler dbh = new DatabaseHandler(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";
				}
			}

		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		super.onCreateOptionsMenu(menu);
		if(this.showFilterButton){
			MenuItem item = menu.add("Filter");
			

			// MenuInflater inflater = getMenuInflater();
			// inflater.inflate(R.menu.listview_detail_menu, menu);
			return true;
		} else {
			return false;
		}
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		
		this.openFilterMenu(item.getActionView());

		this.populateListViewFromDB();
		return super.onOptionsItemSelected(item);
	}
	

	private void openFilterMenu(View anchorView){
		
	}

	private void saveInSharedPreferences(String key, boolean value) {
		// --SAVE Data
		SharedPreferences preferences = this.getSharedPreferences();
		SharedPreferences.Editor editor = preferences.edit();
		editor.putBoolean(key, value);
		editor.commit();
	}

	private boolean getBooleanInSharedPreferences(String key) {
		SharedPreferences preferences = this.getSharedPreferences();
		return preferences.getBoolean(key, true);
	}

	private SharedPreferences getSharedPreferences() {
		return this.getSharedPreferences("HostagePreferences",
				Context.MODE_PRIVATE);
	}

}