<?php
namespace Tests\Unit\admin\Controllers;

use PHPUnit\Framework\TestCase;
use admin\Controllers\LanguagesController;
use Domain\Languages\LanguagesRepository;

class LanguagesControllerTest extends TestCase
{
    private $mockRepository;
    private $controller;

    protected function setUp(): void
    {
        $this->mockRepository = $this->createMock(LanguagesRepository::class);
        $this->controller = new LanguagesController($this->mockRepository);
    }

    public function testConstructorAcceptsRepository(): void
    {
        $controller = new LanguagesController($this->mockRepository);
        $this->assertInstanceOf(LanguagesController::class, $controller);
    }

    public function testHasMainActionMethods(): void
    {
        $this->assertTrue(method_exists($this->controller, 'list'));
        $this->assertTrue(method_exists($this->controller, 'view_list'));
        $this->assertTrue(method_exists($this->controller, 'language_edit'));
        $this->assertTrue(method_exists($this->controller, 'language_save'));
        $this->assertTrue(method_exists($this->controller, 'language_delete'));
        $this->assertTrue(method_exists($this->controller, 'translation_list'));
        $this->assertTrue(method_exists($this->controller, 'translation_edit'));
        $this->assertTrue(method_exists($this->controller, 'translation_save'));
        $this->assertTrue(method_exists($this->controller, 'translation_delete'));
    }

    public function testActionMethodReturnTypes(): void
    {
        $reflection = new \ReflectionClass($this->controller);

        $this->assertEquals('string', (string)$reflection->getMethod('list')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('view_list')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('language_edit')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('language_save')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('language_delete')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('translation_list')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('translation_edit')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('translation_save')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('translation_delete')->getReturnType());
    }

    public function testConstructorRequiresLanguagesRepository(): void
    {
        $reflection = new \ReflectionClass(LanguagesController::class);
        $constructor = $reflection->getConstructor();
        $params = $constructor->getParameters();

        $this->assertCount(1, $params);
        $this->assertEquals('Domain\Languages\LanguagesRepository', $params[0]->getType()->getName());
    }
}

