package com.hfad.bitsandpizzas;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.ShareActionProvider;
import android.widget.Toast;

public class MainActivity extends Activity {

    private ShareActionProvider shareActionProvider;
    private String[] titles;        // local list of categories
    private ListView drawerList;
    private DrawerLayout drawerLayout;
    private ActionBarDrawerToggle drawerToggle;

    private class DrawerItemClickListener implements ListView.OnItemClickListener {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    }

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

        // populate local list of categories
        titles = getResources().getStringArray(R.array.titles);
        drawerList = (ListView) findViewById(R.id.drawer);
        drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

        // Populate the list view
        drawerList.setAdapter(new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_activated_1, titles));
        drawerList.setOnItemClickListener(new DrawerItemClickListener());
        if (savedInstanceState == null) {  // if MainActivity newly created ...
            selectItem(0);
        }

        // Create the ActionBarToggle ...
        drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
                R.string.open_drawer, R.string.close_drawer) {

            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                invalidateOptionsMenu();
            }

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                invalidateOptionsMenu();
            }
        };
        // ... and set the ActionBarToggle as the drawer's listener
        drawerLayout.setDrawerListener(drawerToggle);

        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // sync toggle state (after onRestoreInstanceState has occurred).
        drawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        drawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // If the drawer is open, hide action items related to the content view.
        boolean drawerOpen = drawerLayout.isDrawerOpen(drawerList);
        menu.findItem(R.id.action_share).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }

    private void selectItem(int position) {
        // update the main content by replacing fragments
        Fragment fragment;
        switch (position) {
            case 1:
                fragment = new PizzaFragment();
                break;
            case 2:
                fragment = new PastaFragment();
                break;
            case 3:
                fragment = new StoresFragment();
                break;
            default:
                fragment = new TopFragment();
        }
        FragmentTransaction ft = getFragmentManager().beginTransaction();
        ft.replace(R.id.content_frame, fragment)
                .addToBackStack(null)
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
                .commit();

        //Set the action bar title
        setActionBarTitle(position);

        //Close drawer
        drawerLayout.closeDrawer(drawerList);
    }

    private void setActionBarTitle(int position) {
        String title;

        if (position == 0) {
            title = getResources().getString(R.string.app_name);
        } else {
            title = titles[position];
        }
        getActionBar().setTitle(title);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Add menu_main items to the action bar (if present):
        getMenuInflater().inflate(R.menu.menu_main, menu);
        MenuItem menuItem = menu.findItem(R.id.action_share);
        shareActionProvider = (ShareActionProvider) menuItem.getActionProvider();
        setIntent("This is example text.");
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // If a drawer option has been clicked ...
        if (drawerToggle.onOptionsItemSelected(item)) {
            // do nothing and return.
            return true;
        }

        // ... otherwise ...
        switch (item.getItemId()) {
            case R.id.action_create_order:
                //Code to run when the Create Order item is clicked
                Intent intent = new Intent(this, OrderActivity.class);
                startActivity(intent);
                return true;
            case R.id.action_settings:
                //Code to run when the settings item is clicked
                Toast.makeText(MainActivity.this, "Settings!", Toast.LENGTH_SHORT).show();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    private void setIntent(String text) {
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("text/plain");
        intent.putExtra(Intent.EXTRA_TEXT, text);
        shareActionProvider.setShareIntent(intent);
    }
}