package com.stormtales.notevault;

import android.os.Bundle;
import android.view.MenuItem;
import android.view.Menu;
import android.widget.Toast;
import androidx.lifecycle.ViewModelProvider;
import com.google.android.material.navigation.NavigationView;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.appcompat.app.AppCompatActivity;
import com.stormtales.notevault.databinding.ActivityMainBinding;
import com.stormtales.notevault.network.APICallback;
import com.stormtales.notevault.network.auth.AuthService;
import com.stormtales.notevault.ui.login.LoginDialog;
import com.stormtales.notevault.ui.login.LoginViewModel;

public class MainActivity extends AppCompatActivity {

    private AppBarConfiguration mAppBarConfiguration;
    private ActivityMainBinding binding;
    private LoginViewModel loginViewModel;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        setSupportActionBar(binding.appBarMain.toolbar);
        binding.appBarMain.toolbar.setOnMenuItemClickListener(item -> {
            if (item.getItemId() == R.id.auth_action) {
                showLoginDialog();
                return true;
            }
            return false;
        });
        DrawerLayout drawer = binding.drawerLayout;
        NavigationView navigationView = binding.navView;
        // Passing each menu ID as a set of Ids because each
        // menu should be considered as top level destinations.
        mAppBarConfiguration = new AppBarConfiguration.Builder(
                R.id.nav_home, R.id.nav_gallery, R.id.nav_slideshow)
                .setOpenableLayout(drawer)
                .build();
        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
        NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
        NavigationUI.setupWithNavController(navigationView, navController);

        loginViewModel = new ViewModelProvider(this).get(LoginViewModel.class);
        loginViewModel.setAuthService(new AuthService(getApplicationContext()));
        loginViewModel.getIsLoggedIn().observe(this, isLoggedIn -> {
            this.invalidateOptionsMenu();
        });
    }

    @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 onSupportNavigateUp() {
        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
        return NavigationUI.navigateUp(navController, mAppBarConfiguration)
                || super.onSupportNavigateUp();
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuItem loginItem = menu.findItem(R.id.auth_action);
        if (Boolean.TRUE.equals(loginViewModel.getIsLoggedIn().getValue())) {
            loginItem.setIcon(R.drawable.logout); // Setze das Logout-Symbol
        } else {
            loginItem.setIcon(R.drawable.login); // Setze das Login-Symbol
        }
        return super.onPrepareOptionsMenu(menu);
    }

    public void showLoginDialog() {
        LoginDialog loginDialog = new LoginDialog(loginViewModel);
        loginDialog.show(getSupportFragmentManager(), "login");
    }
}