/*

    BEEM is a videoconference application on the Android Platform.

    Copyright (C) 2009 by Frederic-Charles Barthelery,

                          Jean-Manuel Da Silva,

                          Nikita Kozlov,

                          Philippe Lago,

                          Jean Baptiste Vergely,

                          Vincent Veronis.

    This file is part of BEEM.

    BEEM 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.

    BEEM 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.

    You should have received a copy of the GNU General Public License

    along with BEEM.  If not, see <http://www.gnu.org/licenses/>.

    Please send bug reports with examples or suggestions to

    contact@beem-project.com or http://dev.beem-project.com/

    Epitech, hereby disclaims all copyright interest in the program "Beem"

    written by Frederic-Charles Barthelery,

               Jean-Manuel Da Silva,

               Nikita Kozlov,

               Philippe Lago,

               Jean Baptiste Vergely,

               Vincent Veronis.

    Nicolas Sadirac, November 26, 2009

    President of Epitech.

    Flavien Astraud, November 26, 2009

    Head of the EIP Laboratory.

*/

package com.beem.project.beem.ui;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Application;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.content.pm.PackageInfo;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.preference.PreferenceManager;

import android.view.Menu;

import android.view.MenuInflater;

import android.view.MenuItem;

import android.widget.TextView;

import android.widget.Toast;

import com.beem.project.beem.R;

import com.beem.project.beem.utils.BeemConnectivity;

import com.beem.project.beem.BeemApplication;

import com.beem.project.beem.ui.wizard.Account;

/**

 * This class is the main Activity for the Beem project.

 * @author Da Risk <darisk972@gmai.com>

 */

public class Login extends Activity {

    private static final int LOGIN_REQUEST_CODE = 1;

    private SharedPreferences mSettings;

    private TextView mTextView;

    private boolean mIsConfigured;

    private boolean mIsResult;

    private BeemApplication mBeemApplication;

    /**

     * Constructor.

     */

    public Login() {

    }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

	super.onCreate(savedInstanceState);

	Application app = getApplication();

	if (app instanceof BeemApplication) {

	    if (mBeemApplication.isConnected()) {

		startActivity(new Intent(this, ContactList.class));

		finish();

	    } else if (!mBeemApplication.isAccountConfigured()) {

		startActivity(new Intent(this, Account.class));

		finish();

	    }

	}

	setContentView(R.layout.login);

	mTextView = (TextView) findViewById(R.id.log_as_msg);

	mSettings = PreferenceManager.getDefaultSharedPreferences(this);

    }

    @Override

    protected void onStart() {

	super.onStart();

	mIsConfigured = mSettings.getBoolean("PreferenceIsConfigured", false);

	// TODO utiliser une options des preference plutot.

	if (mIsConfigured && !mIsResult && BeemConnectivity.isConnected(getApplicationContext())) {

	    mTextView.setText("");

	    Intent i = new Intent(this, LoginAnim.class);

	    startActivityForResult(i, LOGIN_REQUEST_CODE);

	    mIsResult = false;

	} else {

	    mTextView.setText(R.string.login_start_msg);

	}

    }

    @Override

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {

	if (requestCode == LOGIN_REQUEST_CODE) {

	    mIsResult = true;

	    if (resultCode == Activity.RESULT_OK) {

		startActivity(new Intent(this, ContactList.class));

		finish();

	    } else if (resultCode == Activity.RESULT_CANCELED) {

		if (data != null) {

		    String tmp = data.getExtras().getString("message");

		    Toast.makeText(Login.this, tmp, Toast.LENGTH_SHORT).show();

		    mTextView.setText(tmp);

		}

	    }

	}

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

	super.onCreateOptionsMenu(menu);

	MenuInflater inflater = getMenuInflater();

	inflater.inflate(R.menu.login, menu);

	return true;

    }

    @Override

    public final boolean onOptionsItemSelected(MenuItem item) {

	boolean result;

	switch (item.getItemId()) {

	    case R.id.login_menu_settings:

		mTextView.setText("");

		startActivity(new Intent(Login.this, Settings.class));

		result = true;

		break;

	    case R.id.login_menu_about:

		createAboutDialog();

		result = true;

		break;

	    case R.id.login_menu_login:

		if (testConnectivity()) {

		    Intent i = new Intent(this, LoginAnim.class);

		    startActivityForResult(i, LOGIN_REQUEST_CODE);

		}

		result = true;

		break;

	    default:

		result = false;

		break;

	}

	return result;

    }

    /**

     * Test the connectivity of the phone.

     * @return true if we are connected to a network.

     */

    private boolean testConnectivity() {

	if (!BeemConnectivity.isConnected(getApplicationContext())) {

	    Toast.makeText(Login.this, R.string.login_no_connectivity, Toast.LENGTH_SHORT).show();

	    return false;

	}

	return true;

    }

    /**

     * Create an about "BEEM" dialog.

     */

    private void createAboutDialog() {

	AlertDialog.Builder builder = new AlertDialog.Builder(this);

	String versionname;

	try {

	    PackageManager pm = getPackageManager();

	    PackageInfo pi = pm.getPackageInfo("com.beem.project.beem", 0);

	    versionname = pi.versionName;

	} catch (PackageManager.NameNotFoundException e) {

	    versionname = "";

	}

	String title = getString(R.string.login_about_title, versionname);

	builder.setTitle(title).setMessage(R.string.login_about_msg).setCancelable(false);

	builder.setNeutralButton(R.string.login_about_button, new DialogInterface.OnClickListener() {

	    public void onClick(DialogInterface dialog, int whichButton) {

		dialog.cancel();

	    }

	});

	AlertDialog aboutDialog = builder.create();

	aboutDialog.show();

    }

}