<?php

declare(strict_types=1);

namespace Fbrinker\ExtensionCheck\Tests\Unit\Command;

use Fbrinker\ExtensionCheck\Command\CheckCommand;
use Fbrinker\ExtensionCheck\Extension\ExtensionCheck;
use Fbrinker\ExtensionCheck\Output\SymfonyStyleFactory;
use Fbrinker\ExtensionCheck\Parser\FileParser;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Console\Tester\CommandTester;

class CheckCommandTest extends TestCase
{
    public function testExecuteEmpty(): void
    {
        $sut = $this->createEmptySut();

        $commandTester = new CommandTester($sut);
        $commandTester->execute([]);

        $result = $commandTester->getDisplay();

        $this->assertStringContainsStringIgnoringCase("Files: 0", $result);
        $this->assertStringContainsStringIgnoringCase("0 Classes, 0 Functions, 0 Constants", $result);
        $this->assertStringContainsStringIgnoringCase("Loaded Extensions: 0", $result);
        $this->assertStringContainsStringIgnoringCase("0 Used, 0 Unused", $result);
    }

    public function testExecuteWithResults(): void
    {
        $sut = $this->createSutWithResult();

        $commandTester = new CommandTester($sut);
        $commandTester->execute([]);

        $result = $commandTester->getDisplay();

        $this->assertStringContainsStringIgnoringCase("Files: 3", $result);
        $this->assertStringContainsStringIgnoringCase("3 Classes, 2 Functions, 1 Constants", $result);
        $this->assertStringContainsStringIgnoringCase("Loaded Extensions: 2", $result);
        $this->assertStringContainsStringIgnoringCase("1 Used, 1 Unused", $result);
        $this->assertStringContainsStringIgnoringCase("Used [Usage: class]", $result);
    }

    private function createEmptySut(): CheckCommand
    {
        $symfonyStyleFactory = new SymfonyStyleFactory();
        $fileParserMock = $this->createMock(FileParser::class);
        $fileParserMock->method('parseFiles')->willReturn([
            [],
            [],
            [],
        ]);
        $extensionCheckMock = $this->createMock(ExtensionCheck::class);
        $extensionCheckMock->method('checkUsages')->willReturn([]);
        return new CheckCommand($symfonyStyleFactory, $fileParserMock, $extensionCheckMock);
    }

    private function createSutWithResult(): CheckCommand
    {
        $symfonyStyleFactory = new SymfonyStyleFactory();
        $fileParserMock = $this->createMock(FileParser::class);
        $fileParserMock->method('getFileCount')->willReturn(3);
        $fileParserMock->method('parseFiles')->willReturn([
            ['A', 'B', 'C'],
            ['gotoA', 'gotoB'],
            ['CONST_C'],
        ]);
        $extensionCheckMock = $this->createMock(ExtensionCheck::class);
        $extensionCheckMock->method('getLoadedExtensionsCount')->willReturn(2);
        $extensionCheckMock->method('checkUsages')->willReturn(['Used' => ['class' => true]]);
        $extensionCheckMock->method('getUnused')->willReturn(['Unused']);
        return new CheckCommand($symfonyStyleFactory, $fileParserMock, $extensionCheckMock);
    }
}