package protect.card_locker;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import androidx.appcompat.widget.SearchView;
import android.view.Menu;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;

import com.google.zxing.BarcodeFormat;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.Shadows;
import org.robolectric.annotation.Config;
import org.robolectric.android.controller.ActivityController;
import org.robolectric.shadows.ShadowListView;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.robolectric.Shadows.shadowOf;

@RunWith(RobolectricTestRunner.class)
@Config(sdk = 23)
public class MainActivityTest
{
    private SharedPreferences prefs;

    @Before
    public void setUp()
    {
        // Assume that this is not the first launch
        prefs = RuntimeEnvironment.application.getSharedPreferences("protect.card_locker", Context.MODE_PRIVATE);
        prefs.edit().putBoolean("firstrun", false).commit();
    }

    @Test
    public void initiallyNoLoyaltyCards() throws Exception
    {
        Activity activity = Robolectric.setupActivity(MainActivity.class);
        assertTrue(activity != null);

        TextView helpText = activity.findViewById(R.id.helpText);
        assertEquals(View.VISIBLE, helpText.getVisibility());

        TextView noMatchingCardsText = activity.findViewById(R.id.noMatchingCardsText);
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());

        ListView list = activity.findViewById(R.id.list);
        assertEquals(View.GONE, list.getVisibility());
    }

    @Test
    public void onCreateShouldInflateLayout() throws Exception
    {
        final MainActivity activity = Robolectric.setupActivity(MainActivity.class);

        final Menu menu = shadowOf(activity).getOptionsMenu();
        assertTrue(menu != null);

        // The settings, search and add button should be present
        assertEquals(menu.size(), 5);

        assertEquals("Search", menu.findItem(R.id.action_search).getTitle().toString());
        assertEquals("Import/Export", menu.findItem(R.id.action_import_export).getTitle().toString());
        assertEquals("Start Intro", menu.findItem(R.id.action_intro).getTitle().toString());
        assertEquals("About", menu.findItem(R.id.action_about).getTitle().toString());
        assertEquals("Settings", menu.findItem(R.id.action_settings).getTitle().toString());
    }

    @Test
    public void clickAddLaunchesLoyaltyCardEditActivity()
    {
        final MainActivity activity = Robolectric.setupActivity(MainActivity.class);

        activity.findViewById(R.id.fabAdd).performClick();

        Intent intent = shadowOf(activity).peekNextStartedActivityForResult().intent;

        assertEquals(new ComponentName(activity, LoyaltyCardEditActivity.class), intent.getComponent());
        assertNull(intent.getExtras());
    }

    @Test
    public void addOneLoyaltyCard()
    {
        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();

        Activity mainActivity = (Activity)activityController.get();
        activityController.start();
        activityController.resume();

        TextView helpText = mainActivity.findViewById(R.id.helpText);
        TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
        ListView list = mainActivity.findViewById(R.id.list);

        assertEquals(0, list.getCount());

        DBHelper db = new DBHelper(mainActivity);
        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);

        assertEquals(View.VISIBLE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.GONE, list.getVisibility());

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getAdapter().getCount());
        Cursor cursor = (Cursor)list.getAdapter().getItem(0);
        assertNotNull(cursor);
    }

    public void AddTwoLoyaltyCardsFromSameStore()
    {
        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();

        Activity mainActivity = (Activity)activityController.get();
        activityController.start();
        activityController.resume();

        TextView helpText = mainActivity.findViewById(R.id.helpText);
        TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
        ListView list = mainActivity.findViewById(R.id.list);

        assertEquals(0, list.getCount());

        DBHelper db = new DBHelper(mainActivity);
        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
        db.insertLoyaltyCard("store", "note2", "cardId2", BarcodeFormat.MAXICODE.toString(), Color.YELLOW, Color.GRAY);
        db.insertLoyaltyCard("store2", "note2", "cardId2", BarcodeFormat.UPC_E.toString(), Color.BLUE, Color.MAGENTA);

        assertEquals(View.VISIBLE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.GONE, list.getVisibility());

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        // We expect to see only 2 "cards" because the first store should be merged
        assertEquals(2, list.getAdapter().getCount());
        Cursor cursor = (Cursor)list.getAdapter().getItem(0);
        assertNotNull(cursor);

        // Check if this returns the first loyalty card
        LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cursor);
        assertEquals("store", card.store);
        assertEquals("note", card.note);
        assertEquals("cardId", card.cardId);
        assertEquals(BarcodeFormat.UPC_A.toString(), card.barcodeType);
    }

    @Test
    public void testFiltering()
    {
        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();

        MainActivity mainActivity = (MainActivity)activityController.get();
        activityController.start();
        activityController.resume();

        TextView helpText = mainActivity.findViewById(R.id.helpText);
        TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
        ListView list = mainActivity.findViewById(R.id.list);

        DBHelper db = new DBHelper(mainActivity);
        db.insertLoyaltyCard("The First Store", "Initial note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
        db.insertLoyaltyCard("The Second Store", "Secondary note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());

        mainActivity.filter = "store";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());

        mainActivity.filter = "first";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "initial";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "second";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "company";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.VISIBLE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(0, list.getCount());

        mainActivity.filter = "";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());
    }

    @Test
    public void testFilteringWithGroupedCards()
    {
        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();

        MainActivity mainActivity = (MainActivity)activityController.get();
        activityController.start();
        activityController.resume();

        TextView helpText = mainActivity.findViewById(R.id.helpText);
        TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
        ListView list = mainActivity.findViewById(R.id.list);

        DBHelper db = new DBHelper(mainActivity);
        db.insertLoyaltyCard("The First Store", "Initial note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
        db.insertLoyaltyCard("The First Store", "Tertiary note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
        db.insertLoyaltyCard("The Second Store", "Secondary note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());

        mainActivity.filter = "store";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());

        mainActivity.filter = "first";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "initial";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "second";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(1, list.getCount());

        mainActivity.filter = "company";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.VISIBLE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(0, list.getCount());

        mainActivity.filter = "";

        activityController.pause();
        activityController.resume();

        assertEquals(View.GONE, helpText.getVisibility());
        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
        assertEquals(View.VISIBLE, list.getVisibility());

        assertEquals(2, list.getCount());
    }

    @Test
    public void testFirstRunStartsIntro()
    {
        prefs.edit().remove("firstrun").commit();

        ActivityController controller = Robolectric.buildActivity(MainActivity.class).create();
        Activity activity = (Activity)controller.get();

        assertTrue(activity.isFinishing() == false);

        Intent next = shadowOf(activity).getNextStartedActivity();

        ComponentName componentName = next.getComponent();
        String name = componentName.flattenToShortString();
        assertEquals("protect.card_locker/.intro.IntroActivity", name);

        Bundle extras = next.getExtras();
        assertNull(extras);

        assertEquals(false, prefs.getBoolean("firstrun", true));
    }
}