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package ru.travellingtogether.travellingtogether;

import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;


import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;


import ru.travellingtogether.travellingtogether.fragments.FragmentDriver;
import ru.travellingtogether.travellingtogether.fragments.FragmentInfo;
import ru.travellingtogether.travellingtogether.fragments.FragmentLogin;
import ru.travellingtogether.travellingtogether.fragments.FragmentPassenger;
import ru.travellingtogether.travellingtogether.fragments.FragmentRegister;
import ru.travellingtogether.travellingtogether.fragments.FragmentUser;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    // declaration of variables for fragments
    FragmentDriver fdriver;
    FragmentPassenger fpassenger;
    FragmentInfo finfo;
    FragmentLogin flogin;
    FragmentRegister fregister;
    FragmentUser fuser;

    // declaration of variables for fragment_login and fragment_register ets
    EditText etLogUsername, etLogPassword;
    EditText etRegUsername, etRegPassword, etRegName, etRegSurname;

    // declaration of variables for fragment_user and header tvs
    TextView tvUserUsername, tvUserName, tvUserSurname;
    TextView navHeaderName;

    // declaration of variables for showData()
    private JSONArray userinfo = null;
    private static final String JSON_ARRAY ="result";
    private static final String JSON_USERNAME = "username";
    private static final String JSON_NAME= "name";
    private static final String JSON_SURNAME = "surname";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        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);

        // attaching fragments to variables
        fdriver = new FragmentDriver();
        fpassenger = new FragmentPassenger();
        finfo = new FragmentInfo();
        flogin = new FragmentLogin();
        fregister = new FragmentRegister();
        fuser = new FragmentUser();

        // attaching tv to variable
        navHeaderName = (TextView) findViewById(R.id.navHeaderName);

        // call for FragmentLogin
        FragmentTransaction ftLogin = getFragmentManager().beginTransaction();
        ftLogin.replace(R.id.container, flogin);
        ftLogin.commit();

    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @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;
        }

        return super.onOptionsItemSelected(item);
    }

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

        FragmentTransaction ftMenu = getFragmentManager().beginTransaction();

        if (id == R.id.nav_driver) {
            ftMenu.replace(R.id.container, fdriver);
        } else if (id == R.id.nav_passenger) {
            ftMenu.replace(R.id.container, fpassenger);
        } else if (id == R.id.nav_info) {
            ftMenu.replace(R.id.container, finfo);

        } ftMenu.commit();

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

    // method for "register" button at FragmentLogin
    public void onLogRegister(View view) {
        FragmentTransaction ftRegister = getFragmentManager().beginTransaction();
        ftRegister.replace(R.id.container, fregister);
        ftRegister.commit();
    }

    // method for "login" button at FragmentLogin
    public void onLogin(View view) {

        etLogUsername = (EditText) findViewById(R.id.etLogUsername);
        etLogPassword = (EditText) findViewById(R.id.etLogPassword);

        String username = etLogUsername.getText().toString();
        String password = etLogPassword.getText().toString();

        String type = "login";

        BackgroundWorker backgroundWorker = new BackgroundWorker(this);
        backgroundWorker.execute(type, username, password);

 //       if (BackgroundWorker.result.equals("login success")) {

        GetJSON getJSON = new GetJSON();
        getJSON.execute(username, password);

        FragmentTransaction ftUser = getFragmentManager().beginTransaction();
        ftUser.replace(R.id.container, fuser);
        ftUser.commit();

    //    }

    }

    // method for "register" button at FragmentRegister
    public void onRegRegister(View view) {

        etRegUsername = (EditText) findViewById(R.id.etRegUsername);
        etRegPassword = (EditText) findViewById(R.id.etRegPassword);
        etRegName = (EditText) findViewById(R.id.etRegName);
        etRegSurname = (EditText) findViewById(R.id.etRegSurname);

        String username = etRegUsername.getText().toString();
        String password = etRegPassword.getText().toString();
        String name = etRegName.getText().toString();
        String surname = etRegSurname.getText().toString();

        String type = "register";

        BackgroundWorker backgroundWorker = new BackgroundWorker(this);
        backgroundWorker.execute(type, username, password, name, surname);

        GetJSON getJSON = new GetJSON();
        getJSON.execute(username, password);

        FragmentTransaction ftUser = getFragmentManager().beginTransaction();
        ftUser.replace(R.id.container, fuser);
        ftUser.commit();

    }

    // method for "show data" button at FragmentUser
    public void onShowDataTest(View view) {

        tvUserUsername = (TextView) findViewById(R.id.tvUserUsername);
        tvUserName = (TextView) findViewById(R.id.tvUserName);
        tvUserSurname = (TextView) findViewById(R.id.tvUserSurname);

        extractJSON();
        showData();

    }

    //  extracting json string to array
    private void extractJSON(){
        try {
            JSONObject jsonObject = new JSONObject(GetJSON.jsonResult);
            userinfo = jsonObject.getJSONArray(JSON_ARRAY);
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    // getting data and inserting it to views
    private void showData(){
        try {
            JSONObject jsonObject = userinfo.getJSONObject(0);

            tvUserUsername.setText(jsonObject.getString(JSON_USERNAME));
            tvUserName.setText(jsonObject.getString(JSON_NAME));
            tvUserSurname.setText(jsonObject.getString(JSON_SURNAME));

  //          String name = jsonObject.getString(JSON_NAME)+" "+jsonObject.getString(JSON_SURNAME);
  //         navHeaderName.setText(name);


        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

}