<?php

namespace Tests\Feature; // Ensure the namespace is correct for feature tests

use Tests\TestCase; // Use Laravel's base TestCase class
use Illuminate\Support\Facades\DB;


class HomepageLayoutTest extends TestCase
{
    /**
     * A basic feature test example.
     * ./vendor/bin/phpunit
     */
   
    public function testLatihanNumberOne():void{
      
      $response = $this->get("/phpunit/result-test-student/");
        
      $sql = DB::select("SELECT * FROM php_testing_rule WHERE testing_name = 'testing_number_one'");
      $row = $sql[0];
      $html = $row->testing_rule;
      
      $test = str_replace(array("\r\n","\r","\n"," "),"",$html);
      $result_test = htmlspecialchars($test);
      
      $result_content = str_replace(array("\r\n","\r"," "),"", $response->content());
      $this->assertStringContainsString($result_test, $result_content);
        
    }
    
    public function testLatihanNumberTwo():void{
      $sql = DB::select("SELECT * FROM php_testing_rule WHERE testing_name = 'testing_number_two'");
       $row = $sql[0];
       $html = $row->testing_rule;
       $output = $row->output;


      $studentFile = storage_path('app/public/uploads/Amal Dermawan Udjir/GuideA2.php');
      if (!file_exists($studentFile)) {
          $this->fail("❌ File siswa tidak ditemukan: $studentFile");
          return;
      }
      // Ambil isi file PHP siswa
      $studentCode = file_get_contents($studentFile);

      // Normalisasi kunci jawaban dan kode siswa untuk perbandingan
      $normalizedHtml = $this->normalize($html); // Normalisasi kode kunci jawaban
      $normalizedStudentCode = $this->normalize($studentCode); // Normalisasi kode siswa
      if ($normalizedHtml === $normalizedStudentCode) {
        // Jika kode siswa sesuai dengan kunci jawaban
        $this->assertEquals(
            $normalizedHtml,
            $normalizedStudentCode,
            "Struktur kode yang dikirim siswa tidak sesuai dengan kunci jawaban."
        );
    } else {
        // Jika struktur kode tidak sesuai, periksa output dari respons HTTP
        $response = $this->get("/phpunit/result-test-student/");
        $actualOutput = $response->content();
        
        // Bandingkan output yang diterima dengan output yang diharapkan
        $this->assertEquals(
            trim($output),
            trim($actualOutput),
            "Output dari respons HTTP tidak sesuai dengan output kunci jawaban."
        );
    }
      
      
    }
    
    
    public function testLatihanNumberThree():void{
      
       
       $response = $this->get("/phpunit/result-test-student/");
       
       $sql = DB::select("SELECT * FROM php_testing_rule WHERE testing_name = 'testing_number_three'");
       $row = $sql[0];
       $html = $row->testing_rule;
       
       $test = str_replace(array("\r\n","\r","\n"," "),"",$html);
       $result_test = htmlspecialchars($test);
       
       $result_content = str_replace(array("\r\n","\r"," "),"", $response->content());
       $this->assertStringContainsString($result_test, $result_content);
        
        
    }
    
    public function testLatihanNumberFour():void{
      
       
       $response = $this->get("/phpunit/result-test-student/");
       
       $sql = DB::select("SELECT * FROM php_testing_rule WHERE testing_name = 'testing_number_four'");
       $row = $sql[0];
       $html = $row->testing_rule;
       
       $test = str_replace(array("\r\n","\r","\n"," "),"",$html);
       $result_test = htmlspecialchars($test);
       
       $result_content = str_replace(array("\r\n","\r"," "),"", $response->content());
       $this->assertStringContainsString($result_test, $result_content);
        
        
    }
    public function testLatihanNumberFive():void{
      
       
       $response = $this->get("/phpunit/result-test-student/");
       
       $sql = DB::select("SELECT * FROM php_testing_rule WHERE testing_name = 'testing_number_five'");
       $row = $sql[0];
       $html = $row->testing_rule;
       
       $test = str_replace(array("\r\n","\r","\n"," "),"",$html);
       $result_test = htmlspecialchars($test);
       
       $result_content = str_replace(array("\r\n","\r"," "),"", $response->content());
       $this->assertStringContainsString($result_test, $result_content);
        
        
    }
    
    public function testConditions(): void
    {
        
    }
   public function test_addition(){
      
      $a = 2;
      $b = 3;
      $result = $a + $b;

      $response = $this->get('/phpunit/result-test-student-add');
      $response->assertStatus(200);
      $responseContent = $response->getContent();

      $this->assertEquals(
            $result, 
            $responseContent,
            "The addition of $a and $b should be $result"
      );
      
   }

    public function test_variable_value_and_type()
    {
        $variable = "is php example";
        $this->assertEquals("this is php example", $variable);
        $this->assertIsString($variable);
    }
      public function test_php_variable_response()
      {
         // Send GET request to route /execute-php-variable
         $response = $this->get("/execute-php-variable");
         $response->assertSee("this is php variable example");
         // Checks that the response content is a string
         $this->assertIsString($response->getContent());
      }

      public function test_conditional_statement_output()
      {
        $response = $this->get("/execute-conditional-php/true");
        $response->assertSee("conditional statement example if the condition is true");
        $this->assertIsString($response->getContent());
      }
      public function test_conditional_else_statement_output()
      {
        $response = $this->get("/execute-conditional-php");
        $response->assertSee("conditional statement example if the condition is false");
        $this->assertIsString($response->getContent());
      } 
      public function test_loop_output()
      {
        $response = $this->get("/loop-php-example");
        $expectedOutput = "1 2 3 4 5 6 7 8 9 10 this is looping php example";
        $response->assertSee($expectedOutput);
        $this->assertIsString($response->getContent());
      }
    public function test_array_output()
    {
        $response = $this->get("/array-php-example");
        $response->assertJson([
            'first'  => 'this is array php example',
            'second' => 'another example',
            'third'  => 'yet another example'
        ]);
        $this->assertContains('this is array php example', $response->json());
    }
    public function testAddition(): void
    {
        $result = $this->add(2, 3);
        $this->assertEquals(6, $result);
    }

    /**
     * A method to perform addition.
     *
     * @param int $a
     * @param int $b
     * @return int
     */
    public function add($a, $b): int
    {
        return $a + $b;
    }
    private function normalize($string): string
    {
        return preg_replace('/\s+/', '', $string); // hilangkan semua spasi, tab, newline
    }
    // Fungsi untuk mengganti nama variabel dengan placeholder
    private function normalizeVariables(string $code): string
    {
        // Menangkap nama variabel menggunakan ekspresi regular
        preg_match_all('/\$(\w+)/', $code, $matches);

        // Membuat daftar variabel unik
        $uniqueVariables = array_unique($matches[1]);

        // Gantikan nama variabel dengan placeholder dinamis
        foreach ($uniqueVariables as $index => $variable) {
            $code = str_replace('$' . $variable, '$var' . $index, $code); // Ganti variabel dengan placeholder
        }

        return $code;
    }
}