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

use PHPUnit\Framework\TestCase;
use admin\Controllers\UsersController;
use Domain\User\UserRepository;

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

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

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

    public function testHasViewListMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'view_list'));
    }

    public function testHasUserEditMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'user_edit'));
    }

    public function testHasUserSaveMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'user_save'));
    }

    public function testHasUserDeleteMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'user_delete'));
    }

    public function testHasTwofaMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'twofa'));
    }

    public function testHasLoginFormMethod(): void
    {
        $this->assertTrue(method_exists($this->controller, 'login_form'));
    }

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

        $this->assertEquals('string', (string)$reflection->getMethod('view_list')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('user_edit')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('login_form')->getReturnType());
        $this->assertEquals('string', (string)$reflection->getMethod('twofa')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('user_save')->getReturnType());
        $this->assertEquals('void', (string)$reflection->getMethod('user_delete')->getReturnType());
    }

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

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

    public function testNormalizeUserReturnsDefaultsForNull(): void
    {
        $reflection = new \ReflectionClass($this->controller);
        $method = $reflection->getMethod('normalizeUser');
        $method->setAccessible(true);

        $result = $method->invoke($this->controller, null);

        $this->assertSame(0, $result['id']);
        $this->assertSame('', $result['login']);
        $this->assertSame(1, $result['status']);
        $this->assertSame(1, $result['admin']);
        $this->assertSame(0, $result['twofa_enabled']);
        $this->assertSame('', $result['twofa_email']);
    }

    public function testNormalizeUserCastsTypes(): void
    {
        $reflection = new \ReflectionClass($this->controller);
        $method = $reflection->getMethod('normalizeUser');
        $method->setAccessible(true);

        $result = $method->invoke($this->controller, [
            'id' => '15',
            'login' => 'admin@test.com',
            'status' => '0',
            'admin' => '1',
            'twofa_enabled' => '1',
            'twofa_email' => 'twofa@test.com',
        ]);

        $this->assertSame(15, $result['id']);
        $this->assertSame('admin@test.com', $result['login']);
        $this->assertSame(0, $result['status']);
        $this->assertSame(1, $result['admin']);
        $this->assertSame(1, $result['twofa_enabled']);
        $this->assertSame('twofa@test.com', $result['twofa_email']);
    }

    public function testNormalizeUserHandlesPartialData(): void
    {
        $reflection = new \ReflectionClass($this->controller);
        $method = $reflection->getMethod('normalizeUser');
        $method->setAccessible(true);

        $result = $method->invoke($this->controller, ['id' => 3, 'login' => 'partial@test.com']);

        $this->assertSame(3, $result['id']);
        $this->assertSame('partial@test.com', $result['login']);
        $this->assertSame(1, $result['status']);
        $this->assertSame(1, $result['admin']);
        $this->assertSame(0, $result['twofa_enabled']);
        $this->assertSame('', $result['twofa_email']);
    }
}