<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Theme\Model\ResourceModel\Theme;

use Magento\Framework\View\Design\ThemeInterface;

class CollectionTest extends \PHPUnit\Framework\TestCase
{
    public static function setUpBeforeClass()
    {
        \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->configure(
            ['preferences' => [\Magento\Theme\Model\Theme::class => \Magento\Theme\Model\Theme\Data::class]]
        );
    }

    /**
     * @return \Magento\Theme\Model\ResourceModel\Theme\Collection
     */
    protected static function _getThemesCollection()
    {
        return \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
            \Magento\Theme\Model\ResourceModel\Theme\Collection::class
        );
    }

    /**
     * @magentoDbIsolation enabled
     */
    public function testCollection()
    {
        $oldTotalRecords = self::_getThemesCollection()->getSize();

        $collection = $this->setThemeFixture();
        $oldThemes = $collection->toArray();

        $newThemeCollection = self::_getThemesCollection();
        $newThemes = $newThemeCollection->toArray();

        $expectedTotalRecords = $oldTotalRecords + count(self::getThemeList());
        $this->assertEquals($expectedTotalRecords, $newThemes['totalRecords']);
        $this->assertEquals($oldThemes['items'], $newThemes['items']);
    }

    /**
     * @param string $fullPath
     * @param bool $shouldExist
     * @magentoDataFixture setThemeFixture
     * @dataProvider getThemeByFullPathDataProvider
     */
    public function testGetThemeByFullPath($fullPath, $shouldExist)
    {
        $themeCollection = self::_getThemesCollection();
        $hasFound = false;
        /** @var $theme \Magento\Framework\View\Design\ThemeInterface */
        foreach ($themeCollection as $theme) {
            if ($theme->getFullPath() == $fullPath) {
                $hasFound = true;
                break;
            }
        }
        $message = $shouldExist ? 'Theme not found' : 'Theme is found but it should not';
        $this->assertEquals($shouldExist, $hasFound, $message);
    }

    /**
     * @return array
     */
    public function getThemeByFullPathDataProvider()
    {
        return [
            ['test_area/test/default', true],
            ['test_area2/test/pro', true],
            ['test_area/test/pro', false],
            ['test_area2/test/default', false],
            ['', false],
            ['test_area', false],
            ['test_area/test', false],
            ['test_area/test/something', false]
        ];
    }

    /**
     * @magentoDataFixture setThemeFixture
     * @magentoDbIsolation enabled
     * @dataProvider addAreaFilterDataProvider
     */
    public function testAddAreaFilter($area, $themeCount)
    {
        /** @var $themeCollection \Magento\Theme\Model\ResourceModel\Theme\Collection */
        $themeCollection = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
            \Magento\Theme\Model\ResourceModel\Theme\Collection::class
        );
        $themeCollection->addAreaFilter($area);
        $this->assertCount($themeCount, $themeCollection);
    }

    /**
     * @return array
     */
    public function addAreaFilterDataProvider()
    {
        return [
            ['area' => 'test_area', 'themeCount' => 1],
            ['area' => 'test_area2', 'themeCount' => 1],
            ['area' => 'test_area4', 'themeCount' => 0]
        ];
    }

    /**
     * @magentoDataFixture setThemeFixture
     * @magentoDbIsolation enabled
     * @dataProvider addTypeFilterDataProvider
     * @covers \Magento\Theme\Model\ResourceModel\Theme\Collection::addAreaFilter
     */
    public function testAddTypeFilter($themeType, $themeCount)
    {
        /** @var $themeCollection \Magento\Theme\Model\ResourceModel\Theme\Collection */
        $themeCollection = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
            \Magento\Theme\Model\ResourceModel\Theme\Collection::class
        );
        $themeCollection->addAreaFilter('test_area3');
        if ($themeType !== false) {
            $themeCollection->addTypeFilter($themeType);
        }
        $this->assertCount($themeCount, $themeCollection);
    }

    /**
     * @return array
     */
    public function addTypeFilterDataProvider()
    {
        return [
            ['themeType' => ThemeInterface::TYPE_PHYSICAL, 'themeCount' => 1],
            ['themeType' => ThemeInterface::TYPE_VIRTUAL, 'themeCount' => 1],
            ['themeType' => ThemeInterface::TYPE_STAGING, 'themeCount' => 1],
            ['themeType' => false, 'themeCount' => 3]
        ];
    }

    /**
     * @magentoDataFixture setThemeFixture
     * @magentoDbIsolation enabled
     * @covers \Magento\Theme\Model\ResourceModel\Theme\Collection::filterVisibleThemes
     */
    public function testFilterVisibleThemes()
    {
        /** @var $themeCollection \Magento\Theme\Model\ResourceModel\Theme\Collection */
        $themeCollection = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
            \Magento\Theme\Model\ResourceModel\Theme\Collection::class
        );
        $themeCollection->addAreaFilter('test_area3')->filterVisibleThemes();
        $this->assertCount(2, $themeCollection);
        /** @var $theme \Magento\Framework\View\Design\ThemeInterface */
        foreach ($themeCollection as $theme) {
            $this->assertTrue(
                in_array($theme->getType(), [ThemeInterface::TYPE_PHYSICAL, ThemeInterface::TYPE_VIRTUAL])
            );
        }
    }

    /**
     * @magentoDataFixture setInheritedThemeFixture
     */
    public function testCheckParentInThemes()
    {
        $collection = self::_getThemesCollection();
        //->checkParentInThemes();
        foreach (self::getInheritedThemeList() as $themeData) {
            $fullPath = $themeData['area'] . '/' . $themeData['theme_path'];
            $parentIdActual = $collection->clear()->getThemeByFullPath($fullPath)->getParentId();
            if ($themeData['parent_id']) {
                $parentFullPath = trim($themeData['parent_id'], '{}');
                $parentIdExpected = (int)$collection->clear()->getThemeByFullPath($parentFullPath)->getId();
                $this->assertEquals(
                    $parentIdActual,
                    $parentIdExpected,
                    sprintf('Invalid parent_id for theme "%s"', $fullPath)
                );
            } else {
                $parentIdExpected = 0;
                $this->assertEquals(
                    $parentIdExpected,
                    $parentIdActual,
                    sprintf('Parent id should be null for "%s"', $fullPath)
                );
            }
        }
    }

    /**
     * Set themes fixtures
     *
     * @return \Magento\Theme\Model\ResourceModel\Theme\Collection
     */
    public static function setThemeFixture()
    {
        $themeCollection = self::_getThemesCollection();
        $themeCollection->load();
        foreach (self::getThemeList() as $themeData) {
            /** @var $themeModel \Magento\Framework\View\Design\ThemeInterface */
            $themeModel = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
                \Magento\Framework\View\Design\ThemeInterface::class
            );
            $themeModel->setData($themeData);
            $themeCollection->addItem($themeModel);
        }
        return $themeCollection->save();
    }

    /**
     * @throws \Exception
     */
    public static function setInheritedThemeFixture()
    {
        $fixture = self::getInheritedThemeList();
        $idByPath = [];
        foreach ($fixture as $themeData) {
            /** @var $themeModel \Magento\Framework\View\Design\ThemeInterface */
            $themeModel = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
                \Magento\Framework\View\Design\ThemeInterface::class
            );
            $themeModel->setData($themeData);

            if ($themeData['parent_id'] && isset($idByPath[$themeData['parent_id']])) {
                $themeModel->setParentId($idByPath[$themeData['parent_id']]);
            }
            $themeModel->save();

            $idByPath[$themeModel->getFullPath()] = $themeModel->getId();
        }
    }

    /**
     * Get themes for making fixture
     *
     * @return array
     */
    public static function getThemeList()
    {
        return [
            [
                'parent_id' => '0',
                'theme_path' => 'test/default',
                'code' => 'test/default',
                'theme_title' => 'Test',
                'preview_image' => 'test_default.jpg',
                'is_featured' => '1',
                'area' => 'test_area',
                'type' => ThemeInterface::TYPE_PHYSICAL,
            ],
            [
                'parent_id' => '0',
                'theme_path' => 'test/pro',
                'code' => 'test/pro',
                'theme_title' => 'Professional Test',
                'preview_image' => 'test_default.jpg',
                'is_featured' => '1',
                'area' => 'test_area2',
                'type' => ThemeInterface::TYPE_VIRTUAL
            ],
            [
                'parent_id' => '0',
                'theme_path' => 'test/fixed1',
                'code' => 'test/fixed1',
                'theme_title' => 'Theme test 1',
                'preview_image' => 'test_default.jpg',
                'is_featured' => '1',
                'area' => 'test_area3',
                'type' => ThemeInterface::TYPE_STAGING
            ],
            [
                'parent_id' => '0',
                'theme_path' => 'test/fixed2',
                'code' => 'test/fixed2',
                'theme_title' => 'Theme test 2',
                'preview_image' => 'test_default.jpg',
                'is_featured' => '1',
                'area' => 'test_area3',
                'type' => ThemeInterface::TYPE_PHYSICAL
            ],
            [
                'parent_id' => '0',
                'theme_path' => 'test/fixed3',
                'code' => 'test/fixed3',
                'theme_title' => 'Theme test 3',
                'preview_image' => 'test_default.jpg',
                'is_featured' => '1',
                'area' => 'test_area3',
                'type' => ThemeInterface::TYPE_VIRTUAL
            ]
        ];
    }

    /**
     * @return array
     */
    public static function getInheritedThemeList()
    {
        return [
            [
                'parent_id' => '0',
                'theme_path' => 'test1/test1',
                'code' => 'test1/test1',
                'theme_title' => 'Test1',
                'preview_image' => 'test1_test1.jpg',
                'is_featured' => '1',
                'area' => 'area51',
                'type' => ThemeInterface::TYPE_PHYSICAL,
            ],
            [
                'parent_id' => 'area51/test1/test1',
                'theme_path' => 'test1/test2',
                'code' => 'test1/test2',
                'theme_title' => 'Test2',
                'preview_image' => 'test1_test2.jpg',
                'is_featured' => '1',
                'area' => 'area51',
                'type' => ThemeInterface::TYPE_VIRTUAL
            ],
            [
                'parent_id' => 'area51/test1/test2',
                'theme_path' => 'test1/test3',
                'code' => 'test1/test3',
                'theme_title' => 'Test3',
                'preview_image' => 'test1_test3.jpg',
                'is_featured' => '1',
                'area' => 'area51',
                'type' => \Magento\Framework\View\Design\ThemeInterface::TYPE_VIRTUAL
            ],
            [
                'parent_id' => 'area51/test1/test0',
                'theme_path' => 'test1/test4',
                'code' => 'test1/test4',
                'theme_title' => 'Test4',
                'preview_image' => 'test1_test4.jpg',
                'is_featured' => '1',
                'area' => 'area51',
                'type' => \Magento\Framework\View\Design\ThemeInterface::TYPE_VIRTUAL
            ]
        ];
    }

    /**
     * @covers \Magento\Theme\Model\ResourceModel\Theme\Collection::filterPhysicalThemes
     */
    public function testFilterPhysicalThemesPerPage()
    {
        $collection = $this->_getThemesCollection();
        $collection->filterPhysicalThemes(1, \Magento\Theme\Model\ResourceModel\Theme\Collection::DEFAULT_PAGE_SIZE);

        $this->assertLessThanOrEqual(
            \Magento\Theme\Model\ResourceModel\Theme\Collection::DEFAULT_PAGE_SIZE,
            $collection->count()
        );

        /** @var $theme \Magento\Framework\View\Design\ThemeInterface */
        foreach ($collection as $theme) {
            $this->assertEquals(\Magento\Framework\App\Area::AREA_FRONTEND, $theme->getArea());
            $this->assertEquals(ThemeInterface::TYPE_PHYSICAL, $theme->getType());
        }
    }

    /**
     * @covers \Magento\Theme\Model\ResourceModel\Theme\Collection::filterPhysicalThemes
     */
    public function testFilterPhysicalThemes()
    {
        $collection = $this->_getThemesCollection()->filterPhysicalThemes();

        $this->assertGreaterThan(0, $collection->count());

        /** @var $theme \Magento\Framework\View\Design\ThemeInterface */
        foreach ($collection as $theme) {
            $this->assertEquals(\Magento\Framework\App\Area::AREA_FRONTEND, $theme->getArea());
            $this->assertEquals(ThemeInterface::TYPE_PHYSICAL, $theme->getType());
        }
    }
}
