<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
declare(strict_types=1);

namespace Magento\Theme\Test\Unit\Model\ResourceModel\Design\Config\Scope;

use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\ScopeTreeProviderInterface;
use Magento\Framework\Data\Collection\EntityFactoryInterface;
use Magento\Framework\DataObject;
use Magento\Store\Model\ScopeInterface;
use Magento\Theme\Model\Design\Config\MetadataProviderInterface;
use Magento\Theme\Model\Design\Config\ValueProcessor;
use Magento\Theme\Model\ResourceModel\Design\Config\Scope\Collection;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

class CollectionTest extends TestCase
{
    /** @var Collection */
    protected $collection;

    /** @var  EntityFactoryInterface|MockObject */
    protected $entityFactoryMock;

    /** @var ScopeTreeProviderInterface|MockObject*/
    protected $scopeTreeMock;

    /** @var MetadataProviderInterface|MockObject */
    protected $metadataProviderMock;

    /** @var ScopeConfigInterface|MockObject */
    protected $appConfigMock;

    /** @var ValueProcessor|MockObject */
    protected $valueProcessor;

    protected function setUp(): void
    {
        $this->entityFactoryMock = $this->getMockBuilder(
            EntityFactoryInterface::class
        )->getMockForAbstractClass();
        $this->scopeTreeMock = $this->getMockBuilder(ScopeTreeProviderInterface::class)
            ->getMockForAbstractClass();
        $this->metadataProviderMock =
            $this->getMockBuilder(MetadataProviderInterface::class)
                ->getMockForAbstractClass();
        $this->appConfigMock = $this->getMockBuilder(ScopeConfigInterface::class)
            ->getMockForAbstractClass();
        $this->valueProcessor = $this->getMockBuilder(ValueProcessor::class)
            ->disableOriginalConstructor()
            ->getMock();

        $this->collection = new Collection(
            $this->entityFactoryMock,
            $this->scopeTreeMock,
            $this->metadataProviderMock,
            $this->appConfigMock,
            $this->valueProcessor
        );
    }

    /**
     * Test loadData
     *
     * @return void
     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
     */
    public function testLoadData()
    {
        $this->scopeTreeMock->expects($this->any())
            ->method('get')
            ->willReturn(
                [
                    'scope' => ScopeConfigInterface::SCOPE_TYPE_DEFAULT,
                    'scope_id' => null,
                    'scopes' => [
                        [
                            'scope' => ScopeInterface::SCOPE_WEBSITE,
                            'scope_id' => 1,
                            'scopes' => [
                                [
                                    'scope' => ScopeInterface::SCOPE_GROUP,
                                    'scope_id' => 1,
                                    'scopes' => [
                                        [
                                            'scope' => ScopeInterface::SCOPE_STORE,
                                            'scope_id' => 1,
                                            'scopes' => [],
                                        ],
                                    ],
                                ],
                            ],
                        ],
                    ],
                ]
            );

        $this->metadataProviderMock->expects($this->any())
            ->method('get')
            ->willReturn(
                [
                    'first_field' => ['path' => 'first/field/path', 'use_in_grid' => 0],
                    'second_field' => ['path' => 'second/field/path', 'use_in_grid' => true],
                    'third_field' => ['path' => 'third/field/path'],
                ]
            );

        $this->appConfigMock->expects($this->any())
            ->method('getValue')
            ->willReturnMap(
                [
                    ['second/field/path', ScopeConfigInterface::SCOPE_TYPE_DEFAULT, null, 'DefaultValue'],
                    ['second/field/path', ScopeInterface::SCOPE_WEBSITE, 1, 'WebsiteValue'],
                    ['second/field/path', ScopeInterface::SCOPE_STORE, 1, 'WebsiteValue'],
                ]
            );
        $this->valueProcessor->expects($this->atLeastOnce())
            ->method('process')
            ->willReturnCallback(function ($arg1, $arg2, $arg3, $arg4) {
                if ($arg1 == 'DefaultValue' && $arg2 == 'default' && $arg3 == null &&
                    $arg4 == ['path' => 'second/field/path', 'use_in_grid' => 1]) {
                    return 'DefaultValue';
                } elseif ($arg1 == 'WebsiteValue' && $arg2 == 'website' && $arg3 == 1 &&
                    $arg4 == ['path' => 'second/field/path', 'use_in_grid' => 1]) {
                    return 'WebsiteValue';
                } elseif ($arg1 == 'WebsiteValue' && $arg2 == 'store' && $arg3 == 1 &&
                    $arg4 == ['path' => 'second/field/path', 'use_in_grid' => 1]) {
                    return 'WebsiteValue';
                }
            });

        $expectedResult = [
            new DataObject([
                'store_website_id' => null,
                'store_group_id' => null,
                'store_id' => null,
                'second_field' => 'DefaultValue'
            ]),
            new DataObject([
                'store_website_id' => 1,
                'store_group_id' => null,
                'store_id' => null,
                'second_field' => 'WebsiteValue'
            ]),
            new DataObject([
                'store_website_id' => 1,
                'store_group_id' => 1,
                'store_id' => 1,
                'second_field' => 'WebsiteValue' //parent (website level) value
            ]),
        ];

        $this->assertEquals($expectedResult, $this->collection->getItems());
    }
}