package com.malalaoshi.android;

import android.app.FragmentManager;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.support.design.widget.NavigationView;
import android.support.v4.app.ActivityCompat;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;

import com.malalaoshi.android.fragments.LoginFragment;
import com.malalaoshi.android.fragments.MainFragment;
import com.malalaoshi.android.receiver.NetworkStateReceiver;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    private NetworkStateReceiver mNetworkStateReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        setSupportActionBar(toolbar);

//        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
//        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
//                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
//        drawer.setDrawerListener(toggle);
//        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        FragmentManager fragmentManager = getFragmentManager();
        MalaApplication malaApp = MalaApplication.getInstance();
        if (!malaApp.isLogin()) {
            LoginFragment loginFragment = new LoginFragment();
            fragmentManager.beginTransaction().replace(R.id.content_layout, loginFragment).commit();
        } else {
            MainFragment mainFragment = new MainFragment();
            fragmentManager.beginTransaction().replace(R.id.content_layout, mainFragment).commit();
        }
    }

    private void init() {
        mNetworkStateReceiver = new NetworkStateReceiver();
        IntentFilter filter = new IntentFilter();
        filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        registerReceiver(mNetworkStateReceiver, filter);
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            if (!getFragmentManager().popBackStackImmediate()) {
                ActivityCompat.finishAfterTransition(this);
            }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }
        if (id == R.id.action_logout) {
            MalaApplication.getInstance().logout();
            FragmentManager fragmentManager = getFragmentManager();
            LoginFragment loginFragment = new LoginFragment();
            fragmentManager.beginTransaction().replace(R.id.content_layout, loginFragment).commit();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.nav_camara) {
            // Handle the camera action
        } else if (id == R.id.nav_gallery) {

        } else if (id == R.id.nav_slideshow) {

        } else if (id == R.id.nav_manage) {

        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (mNetworkStateReceiver != null) {
            unregisterReceiver(mNetworkStateReceiver);
        }
    }

}
@@ -600,20 +600,27 @@
 agments.
-Main
+TeacherList
 Fragment
@@ -681,16 +681,65 @@
 eceiver;
+%0Aimport com.malalaoshi.android.util.FragmentUtil;
 %0A%0Apublic
@@ -1698,505 +1698,128 @@
 ment
-Manager fragmentManager = getFragmentManager();%0A        MalaApplication malaApp = MalaApplication.getInstance();%0A        if (!malaApp.isLogin()) %7B%0A            LoginFragment loginFragment = new LoginFragment();%0A            fragmentManager.beginTransaction().replace(R.id.content_layout, loginFragment).commit();%0A        %7D else %7B%0A            MainFragment mainFragment = new MainFragment();%0A            fragmentManager.beginTransaction().replace(R.id.content_layout, mainFragment).commit();%0A        %7D
+Util.opFragmentMainActivity(getFragmentManager(), null, new TeacherListFragment(), TeacherListFragment.class.getName());
 %0A   

index fragment is TeacherListFragment