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

namespace Magento\Catalog\Test\Unit\Model\Layer\Filter;

use Magento\Catalog\Model\Layer;
use Magento\Catalog\Model\Layer\Filter\DataProvider\Price;
use Magento\Catalog\Model\Layer\Filter\DataProvider\PriceFactory;
use Magento\Catalog\Model\Layer\Filter\Dynamic\AlgorithmFactory;
use Magento\Catalog\Model\Layer\Filter\Dynamic\Auto;
use Magento\Catalog\Model\Layer\Filter\Item;
use Magento\Catalog\Model\Layer\Filter\Item\DataBuilder;
use Magento\Catalog\Model\Layer\Filter\ItemFactory;
use Magento\Catalog\Model\Layer\State;
use Magento\Eav\Model\Entity\Attribute;
use Magento\Framework\App\RequestInterface;
use Magento\Framework\Escaper;
use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

/**
 * Test for \Magento\Catalog\Model\Layer\Filter\Price
 * @SuppressWarnings(PHPMD.UnusedPrivateField)
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 */
class PriceTest extends TestCase
{
    /**
     * @var DataBuilder|MockObject
     */
    private $itemDataBuilder;

    /**
     * @var \Magento\Catalog\Model\ResourceModel\Layer\Filter\Price|MockObject
     */
    private $resource;

    /**
     * @var Auto|MockObject
     */
    private $algorithm;

    /**
     * @var Layer|MockObject
     */
    private $layer;

    /**
     * @var Price|MockObject
     */
    private $dataProvider;

    /**
     * @var \Magento\Catalog\Model\Layer\Filter\Price
     */
    private $target;

    /**
     * @var RequestInterface|MockObject
     */
    private $request;

    /**
     * @var  ItemFactory|MockObject
     */
    private $filterItemFactory;

    /**
     * @var  State|MockObject
     */
    private $state;

    /**
     * @var  Attribute|MockObject
     */
    private $attribute;

    /**
     * @inheritDoc
     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
     */
    protected function setUp(): void
    {
        $this->request = $this->getMockBuilder(RequestInterface::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getParam'])
            ->getMockForAbstractClass();

        $dataProviderFactory = $this->getMockBuilder(PriceFactory::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['create'])
            ->getMock();

        $this->dataProvider = $this->getMockBuilder(Price::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getResource'])
            ->addMethods(['setPriceId', 'getPrice'])
            ->getMock();
        $this->resource = $this->getMockBuilder(\Magento\Catalog\Model\ResourceModel\Layer\Filter\Price::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['applyPriceRange'])
            ->getMock();
        $this->dataProvider->expects($this->any())
            ->method('getResource')
            ->willReturn($this->resource);

        $dataProviderFactory->expects($this->once())
            ->method('create')
            ->willReturn($this->dataProvider);

        $this->layer = $this->getMockBuilder(Layer::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getState'])
            ->getMock();

        $this->state = $this->getMockBuilder(State::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['addFilter'])
            ->getMock();
        $this->layer->expects($this->any())
            ->method('getState')
            ->willReturn($this->state);

        $this->itemDataBuilder = $this->getMockBuilder(DataBuilder::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['addItemData', 'build'])
            ->getMock();

        $this->filterItemFactory = $this->getMockBuilder(ItemFactory::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['create'])
            ->getMock();

        $filterItem = $this->getMockBuilder(Item::class)
            ->disableOriginalConstructor()
            ->addMethods(['setFilter', 'setLabel', 'setValue', 'setCount'])
            ->getMock();
        $filterItem->expects($this->any())
            ->method($this->anything())->willReturnSelf();
        $this->filterItemFactory->expects($this->any())
            ->method('create')
            ->willReturn($filterItem);

        $escaper = $this->getMockBuilder(Escaper::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['escapeHtml'])
            ->getMock();
        $escaper->expects($this->any())
            ->method('escapeHtml')
            ->willReturnArgument(0);

        $this->attribute = $this->getMockBuilder(Attribute::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getAttributeCode', 'getFrontend'])
            ->addMethods(['getIsFilterable'])
            ->getMock();
        $algorithmFactory = $this->getMockBuilder(AlgorithmFactory::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['create'])
            ->getMock();

        $this->algorithm = $this->getMockBuilder(Auto::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getItemsData'])
            ->getMock();

        $algorithmFactory->expects($this->any())
            ->method('create')
            ->willReturn($this->algorithm);

        $objectManagerHelper = new ObjectManagerHelper($this);
        $this->target = $objectManagerHelper->getObject(
            \Magento\Catalog\Model\Layer\Filter\Price::class,
            [
                'dataProviderFactory' => $dataProviderFactory,
                'layer' => $this->layer,
                'itemDataBuilder' => $this->itemDataBuilder,
                'filterItemFactory' => $this->filterItemFactory,
                'escaper' => $escaper,
                'algorithmFactory' => $algorithmFactory
            ]
        );
    }

    /**
     * @param $requestValue
     * @param $idValue
     *
     * @return void
     * @dataProvider applyWithEmptyRequestDataProvider
     */
    public function testApplyWithEmptyRequest($requestValue, $idValue): void
    {
        $requestField = 'test_request_var';
        $idField = 'id';

        $this->target->setRequestVar($requestField);

        $this->request
            ->method('getParam')
            ->with($requestField)
            ->willReturnCallback(
                function ($field) use ($requestField, $idField, $requestValue, $idValue) {
                    switch ($field) {
                        case $requestField:
                            return $requestValue;
                        case $idField:
                            return $idValue;
                    }
                }
            );

        $result = $this->target->apply($this->request);
        $this->assertSame($this->target, $result);
    }

    /**
     * @return array
     */
    public function applyWithEmptyRequestDataProvider(): array
    {
        return [
            [
                'requestValue' => null,
                'id' => 0
            ],
            [
                'requestValue' => 0,
                'id' => false
            ],
            [
                'requestValue' => 0,
                'id' => null
            ]
        ];
    }

    /**
     * @return void
     */
    public function testApply(): void
    {
        $priceId = '15-50';
        $requestVar = 'test_request_var';

        $this->target->setRequestVar($requestVar);
        $this->request->expects($this->exactly(1))
            ->method('getParam')
            ->willReturnCallback(
                function ($field) use ($requestVar, $priceId) {
                    $this->assertContains($field, [$requestVar, 'id']);
                    return $priceId;
                }
            );

        $this->target->apply($this->request);
    }

    /**
     * @return void
     */
    public function testGetItems(): void
    {
        $this->target->setAttributeModel($this->attribute);
        $attributeCode = 'attributeCode';
        $this->attribute->expects($this->any())
            ->method('getAttributeCode')
            ->willReturn($attributeCode);
        $this->algorithm->expects($this->any())
            ->method('getItemsData')
            ->willReturn([]);
        $this->target->getItems();
    }
}
