package de.blinkt.openvpn;

import java.util.List;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.view.Menu;
import android.view.MenuItem;


public class VPNPreferences extends PreferenceActivity {

	private String mProfileUUID;
	private VpnProfile mProfile;

	public VPNPreferences() {
		super();
	
	}
	


	
	@Override
	protected void onStop() {
		super.onStop();
	};
	
	@Override
	protected void onSaveInstanceState(Bundle outState) {
		outState.putString(getIntent().getStringExtra(getPackageName() + ".profileUUID"),mProfileUUID);
		super.onSaveInstanceState(outState);
	}
	
	
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		mProfileUUID = getIntent().getStringExtra(getPackageName() + ".profileUUID");
		if(savedInstanceState!=null){
			String savedUUID = savedInstanceState.getString(getPackageName() + ".profileUUID");
			if(savedUUID!=null)
				mProfileUUID=savedUUID;
		}
			
		mProfile = ProfileManager.get(this,mProfileUUID);
		if(mProfile!=null) {
			setTitle(getString(R.string.edit_profile_title, mProfile.getName()));
		}
		super.onCreate(savedInstanceState);
	}
	
	
	@Override
	public void onBuildHeaders(List<Header> target) {
		loadHeadersFromResource(R.xml.vpn_headers, target); 
		for (Header header : target) {
			if(header.fragmentArguments==null)
				header.fragmentArguments = new Bundle();
			header.fragmentArguments.putString(getPackageName() + ".profileUUID",mProfileUUID);
		}
	}
	
	@Override
	public void onBackPressed() {
		setResult(RESULT_OK, getIntent());
		super.onBackPressed();
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		if(item.getItemId() == R.id.remove_vpn)
			askProfileRemoval();
		return super.onOptionsItemSelected(item);
	}
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {

		getMenuInflater().inflate(R.menu.vpnpreferences_menu, menu);

		return super.onCreateOptionsMenu(menu);
	}
	
	private void askProfileRemoval() {
		AlertDialog.Builder dialog = new AlertDialog.Builder(this);
		dialog.setTitle("Confirm deletion");
		dialog.setMessage(getString(R.string.remove_vpn_query, mProfile.mName));

		dialog.setPositiveButton(android.R.string.yes,
				new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				removeProfile(mProfile);
			}

		});
		dialog.setNegativeButton(android.R.string.no,null);
		dialog.create().show();
	}

	protected void removeProfile(VpnProfile profile) {
		ProfileManager.getInstance(this).removeProfile(this,profile);
		setResult(VPNProfileList.RESULT_VPN_DELETED);
		finish();
	}
}