/*
 * Copyright (C) 2012-2016 The Android Money Manager Ex Project Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.moneymanagerex.android.espresso;

import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;

import com.money.manager.ex.R;
import com.money.manager.ex.transactions.CheckingTransactionEditActivity;

import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.Calendar;
import java.util.Locale;

import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.assertj.core.api.Assertions.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalToIgnoringCase;

/**
 * Edit transaction tests.
 * This test writes into the database! Therefore, make sure to run it on a test device or with a
 * test database only!!!
 */
@RunWith(AndroidJUnit4.class)
public class EditTransactionTests {

    @Rule
    public final ActivityTestRule<CheckingTransactionEditActivity> activityRule =
            new ActivityTestRule<>(CheckingTransactionEditActivity.class);

    @Before
    public void setUp() {
    }

    @After
    public void tearDown() {
    }

    @Test
    public void activityOpens() {
        onView(withText("Cancel"))
            .check(matches(isDisplayed()))
            .perform(click());
    }

    @Test
    public void enterAmount() {
        onView(withId(R.id.textViewAmount))
            .check(matches(isDisplayed()))
            .perform(click());

        // this opens numeric input
        onView(withId(R.id.buttonKeyEqual))
            .check(matches(isDisplayed()));

        // enter 15.26
        onView(withId(R.id.buttonKeyNum1))
            .perform(click());
        onView(withId(R.id.buttonKeyNum5))
            .perform(click());
        onView(withId(R.id.buttonKeyNumDecimal))
            .perform(click());
        onView(withId(R.id.buttonKeyNum2))
            .perform(click());
        onView(withId(R.id.buttonKeyNum6))
            .perform(click());

        // press OK
        onView(withText("OK"))
            .check(matches(isDisplayed()))
            .perform(click());

        // The amount is displayed in the edit transaction.
//        final String expectedAmount = "$ 15.26";
//        onView(withText(expectedAmount))
//                .check(matches(isDisplayed()));
//        onView(withId(R.id.textViewAmount))
//                .check(matches(withText(expectedAmount)));
        onView(withId(R.id.textViewAmount))
                .check(matches(withText(containsString("15.26"))));
    }

    @Test
    public void enterWithdrawal() {
        enterAmount();

        selectPayee();

        selectCategory();

        // TODO: change date

        // TODO: 25/09/2015 update
        // TODO: 25/09/2015 check that the transaction exists with today's date

        // not finished and probably won't be as we can't select the correct date.
        assertThat(false).isTrue();
    }

    @Test
    public void canRemovePayee() {
        // select payee
        selectPayee();

        // remove payee
        onView(withId(R.id.removePayeeButton))
                .perform(click());

        // confirm the payee field is empty
        onView(withId(R.id.textViewPayee))
            .check(matches(withText("")));
    }

    @Test
    public void selectPayee() {
        final String payeeName = "Falafel";

        onView(withId(R.id.textViewPayee))
                .perform(click());

        // Payees activity opens, PayeeActivity
        onView(withId(R.id.fab))
                .check(matches(isDisplayed()));
        onView(withText(payeeName))
                .perform(click());

        // Payee field contains the name now
        onView(withId(R.id.textViewPayee))
                .check(matches(withText(payeeName)));
    }

    @Test
    public void selectCategory() {
        final String category = "Dining Out";

        onView(withId(R.id.textViewCategory))
                .perform(click());

        // Categories activity opens
        onView(withId(R.id.fab))
                .check(matches(isDisplayed()));
        onView(withText("Food"))
                .check(matches(isDisplayed()))
                .perform(click());
        onView(withText(category))
                .perform(click());

        // Payee field contains the name now
        onView(withId(R.id.textViewCategory))
                .check(matches(withText(category)));
    }

    /**
     * Another shortcoming of Espresso:
     * Can't change the date programmatically. :(
     */
//    @Test
    public void changeDate() {
        Calendar calendar = Calendar.getInstance();
//        Date today = calendar.getTime();

        onView(withId(R.id.textViewDate))
                .check(matches(isDisplayed()))
                .perform(click());

        // date selector opens
        // today's name is displayed on top of calendar picker
        String dayName = calendar.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, Locale.ENGLISH);
        onView(withText(equalToIgnoringCase(dayName)))
                .check(matches(isDisplayed()));
//        onView(withText("17"))
//                .perform(click());
        // todo: need to find how to change the date.
//        onView(withClassName(equalTo(DatePickerDialog.class.getName())))
//            .perform(setDate(
//                    calendar.get(Calendar.YEAR),
//                    calendar.get(Calendar.MONTH),
//                    calendar.get(Calendar.DATE)
//            ));
        // com.fourmob.datetimepicker.date.DayPickerView
        onView(withText("Done"))
                .check(matches(isDisplayed()))
                .perform(click());

        String longDate = calendar.getDisplayName(Calendar.MONTH, Calendar.LONG, Locale.ENGLISH);

        onView(withId(R.id.textViewDate))
                .check(matches(withText(containsString(longDate))));
    }
}