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

namespace Magento\Developer\Test\Unit\Model\View\Asset\PreProcessor;

use Magento\Developer\Model\Config\Source\WorkflowType;
use Magento\Developer\Model\View\Asset\PreProcessor\FrontendCompilation;
use Magento\Developer\Model\View\Asset\PreProcessor\PreprocessorStrategy;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\State;
use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
use Magento\Framework\View\Asset\PreProcessor\AlternativeSourceInterface;
use Magento\Framework\View\Asset\PreProcessor\Chain;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

/**
 * @see \Magento\Developer\Model\View\Asset\PreProcessor\PreprocessorStrategy
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 */
class PreprocessorStrategyTest extends TestCase
{
    /**
     * @var PreprocessorStrategy
     */
    private $preprocessorStrategy;

    /**
     * @var FrontendCompilation|MockObject
     */
    private $frontendCompilationMock;

    /**
     * @var AlternativeSourceInterface|MockObject
     */
    private $alternativeSourceMock;

    /**
     * @var ScopeConfigInterface|MockObject
     */
    private $scopeConfigMock;

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

    /**
     * @var \Magento\Framework\App\ObjectManager|MockObject
     */
    private $objectMangerMock;

    /**
     * Set up
     */
    protected function setUp(): void
    {
        $this->alternativeSourceMock = $this->getMockBuilder(AlternativeSourceInterface::class)
            ->getMockForAbstractClass();
        $this->frontendCompilationMock = $this->getMockBuilder(FrontendCompilation::class)
            ->disableOriginalConstructor()
            ->getMock();
        $this->scopeConfigMock = $this->getMockBuilder(ScopeConfigInterface::class)
            ->getMockForAbstractClass();
        $this->stateMock = $this->getMockBuilder(State::class)
            ->disableOriginalConstructor()
            ->getMock();
        $this->objectMangerMock = $this->getMockBuilder(\Magento\Framework\App\ObjectManager::class)
            ->disableOriginalConstructor()
            ->getMock();

        $this->preprocessorStrategy = (new ObjectManager($this))->getObject(
            PreprocessorStrategy::class,
            [
                'alternativeSource' => $this->alternativeSourceMock,
                'frontendCompilation' => $this->frontendCompilationMock,
                'scopeConfig' => $this->scopeConfigMock,
                'state' => $this->stateMock,
            ]
        );
    }

    /**
     * Run test for process method
     */
    public function testProcessClientSideCompilation()
    {
        $chainMock = $this->getChainMock();

        $this->scopeConfigMock->expects(self::once())
            ->method('getValue')
            ->with(WorkflowType::CONFIG_NAME_PATH)
            ->willReturn(WorkflowType::CLIENT_SIDE_COMPILATION);
        $this->frontendCompilationMock->expects(self::once())
            ->method('process')
            ->with($chainMock);
        $this->alternativeSourceMock->expects(self::never())
            ->method('process');
        $this->stateMock->expects($this->atLeastOnce())
            ->method('getMode')
            ->willReturn(State::MODE_DEVELOPER);

        $this->preprocessorStrategy->process($chainMock);
    }

    public function testProcessClientSideCompilationWithDefaultMode()
    {
        $chainMock = $this->getChainMock();

        $this->scopeConfigMock->expects(self::once())
            ->method('getValue')
            ->with(WorkflowType::CONFIG_NAME_PATH)
            ->willReturn(WorkflowType::CLIENT_SIDE_COMPILATION);
        $this->frontendCompilationMock->expects(self::once())
            ->method('process')
            ->with($chainMock);
        $this->alternativeSourceMock->expects(self::never())
            ->method('process');
        $this->stateMock->expects($this->once())
            ->method('getMode')
            ->willReturn(State::MODE_DEFAULT);

        \Magento\Framework\App\ObjectManager::setInstance($this->objectMangerMock);

        $this->preprocessorStrategy->process($chainMock);
    }

    /**
     * Run test for process method
     */
    public function testProcessAlternativeSource()
    {
        $chainMock = $this->getChainMock();

        $this->scopeConfigMock->expects($this->never())
            ->method('getValue')
            ->with(WorkflowType::CONFIG_NAME_PATH)
            ->willReturn('off');
        $this->alternativeSourceMock->expects(self::once())
            ->method('process')
            ->with($chainMock);
        $this->frontendCompilationMock->expects(self::never())
            ->method('process');
        $this->stateMock->expects($this->atLeastOnce())
            ->method('getMode')
            ->willReturn(State::MODE_PRODUCTION);

        $this->preprocessorStrategy->process($chainMock);
    }

    /**
     * @return Chain|MockObject
     */
    private function getChainMock()
    {
        return $this->getMockBuilder(Chain::class)
            ->disableOriginalConstructor()
            ->getMock();
    }
}