<?php

namespace App\Tests\Entity;

/*
 * Copyright (C) 2020 Daniel Siepmann <coding@daniel-siepmann.de>
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

use App\Entity\Entry;
use PHPUnit\Framework\TestCase;

/**
 * @covers App\Entity\Entry
 */
class EntryTest extends TestCase
{
    /**
     * @test
     */
    public function canBeCreatedViaConstructor(): void
    {
        $subject = new Entry();

        static::assertInstanceOf(Entry::class, $subject);
    }

    /**
     * @test
     */
    public function canBeCreatedFromPersistence(): void
    {
        $subject = Entry::fromPersistence(
            'Example Title',
            new \DateTimeImmutable('2020-10-29 17:10:05'),
            new \DateTimeImmutable('2020-10-29 18:12:15')
        );

        static::assertInstanceOf(Entry::class, $subject);
        static::assertSame('Example Title', $subject->getTitle());
        static::assertSame('2020-10-29 17:10:05', $subject->getBegan()->format('Y-m-d H:i:s'));
        static::assertSame('2020-10-29 18:12:15', $subject->getEnded()->format('Y-m-d H:i:s'));
        static::assertSame('01:02:10', $subject->getDuration()->format('%r%H:%I:%S'));
    }

    /**
     * @test
     */
    public function canBeCreatedWithTitle(): void
    {
        $subject = new Entry('Example title');

        static::assertInstanceOf(Entry::class, $subject);
    }

    /**
     * @test
     */
    public function returnsProvidedTitle(): void
    {
        $subject = new Entry('Example title');

        static::assertSame('Example title', $subject->getTitle());
    }

    /**
     * @test
     */
    public function canBeStarted(): void
    {
        $subject = new Entry();

        $subject->start();

        static::assertTrue($subject->isRunning());
    }

    /**
     * @test
     */
    public function canBeStopped(): void
    {
        $subject = new Entry();

        $subject->start();
        $subject->stop();

        static::assertFalse($subject->isRunning());
    }

    /**
     * @test
     */
    public function canBeStoppedEvenIfNotRunning(): void
    {
        $subject = new Entry();

        $subject->stop();

        static::assertFalse($subject->isRunning());
    }

    /**
     * @test
     */
    public function returnsNullForBeganBeforeStarted(): void
    {
        $subject = new Entry();

        static::assertNull($subject->getBegan());
    }

    /**
     * @test
     */
    public function returnsBeganAfterStarted(): void
    {
        $subject = new Entry();
        $subject->start();

        static::assertInstanceOf(\DateTimeImmutable::class, $subject->getBegan());
    }

    /**
     * @test
     */
    public function returnsNullForEndedBeforeStarted(): void
    {
        $subject = new Entry();

        static::assertNull($subject->getEnded());
    }

    /**
     * @test
     */
    public function returnsEndedAfterStoped(): void
    {
        $subject = new Entry();
        $subject->start();
        $subject->stop();

        static::assertInstanceOf(\DateTimeImmutable::class, $subject->getEnded());
    }

    /**
     * @test
     */
    public function returnsDurationAfterStopped(): void
    {
        $subject = new Entry();
        $subject->start();
        $subject->stop();

        static::assertInstanceOf(\DateInterval::class, $subject->getDuration());
    }
}