package com.hfad.starbuzz;

import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteOpenHelper;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.CursorAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;

public class TopLevelActivity extends AppCompatActivity {

    private SQLiteDatabase db;
    private Cursor favoritesCursor;

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

        AdapterView.OnItemClickListener itemClickListener =
            new AdapterView.OnItemClickListener() {

            @Override
            public void onItemClick (AdapterView<?> parent, View view,
                int position, long id) {
                    if (position == 0) {
                        Intent intent = new Intent(TopLevelActivity.this, 
                            DrinkCategoryActivity.class);
                        startActivity(intent);
                    }
            }
        };

        // Set the top-level ListView's item click listener to OnItemClickListener.
        ListView listView = (ListView) findViewById(R.id.list_options);
        listView.setOnItemClickListener(itemClickListener);

        // Populate the list_favorites ListView from a cursor.
        ListView listFavrotites = (ListView)findViewById(R.id.list_favorites);
        try {
            SQLiteOpenHelper starbuzzDatabaseHelper = 
                new StarbuzzDatabaseHelper(this);
            db = starbuzzDatabaseHelper.getReadableDatabase();

            // Get the data into a cursor
            favoritesCursor = db.query("DRINK",
                    new String[]{"_id", "NAME"},
                    "FAVORITE = 1",
                    null, null, null, null);

            // Map data to list via adapter
            CursorAdapter favoriteAdapter = new SimpleCursorAdapter(
                    TopLevelActivity.this,
                    android.R.layout.simple_list_item_1,
                    favoritesCursor,
                    new String[] {"NAME"},
                    new int[] {android.R.id.text1}, 0);

            listFavrotites.setAdapter(favoriteAdapter);

            // Handle click events on list items - show favorite item's activity
            listFavrotites.setOnItemClickListener(
                new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(
                    AdapterView<?> parent, View view, int position, long id) {
                        Intent intent = 
                            new Intent(TopLevelActivity.this, DrinkActivity.class);
                        intent.putExtra(DrinkActivity.EXTRA_DRINKNO, (int)id);
                        startActivity(intent);
                    }
                }
            );


        } catch(SQLiteException e) {
            Toast.makeText(TopLevelActivity.this, "Database unavailable",
                Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (favoritesCursor != null) {favoritesCursor.close();}
        if (db != null) {db.close();}
    }
}