<?php
require_once __DIR__ . '/helper/TestResultsManager.php';

use PHPUnit\Framework\TestCase;

class GetFormHTMLTest extends TestCase
{
    private $testResultsManager;

    protected function setUp(): void
    {
        $this->testResultsManager = new TestResultsManager();
    }

    public function testFormAttributes()
    {
        try {
            $testCase = get_class($this) . '.' . __FUNCTION__;

            $html = file_get_contents('./apps/getFormHandling.html');
            $dom = new DOMDocument();
            $dom->loadHTML($html);

            $titleElemen = $dom->getElementsByTagName('title')->item(0);

            $this->assertEquals('Form Handling', $titleElemen->nodeValue);

            $form = $dom->getElementsByTagName('form')->item(0);

            $this->assertEquals('getFormHandling.php', $form->attributes->getNamedItem('action')->nodeValue, "The value of the action attribute on the form doesn't match the specifications");
            $this->assertEqualsIgnoringCase('GET', $form->attributes->getNamedItem('method')->nodeValue, 'The value of the method attribute on the form should be "GET"');

            // label assertion
            $labels = $dom->getElementsByTagName('label');
            $labelName = null;
            $labelAddress = null;

            foreach ($labels as $label) {

                $for = $label->getAttributeNode('for');
                switch ($for->nodeValue) {
                    case 'inputName':
                        $labelName = $label;
                        break;
                    case 'inputAddress':
                        $labelAddress = $label;
                        break;
                    default:
                        $this->fail('There are unnecessary labels, label tags with attribute for == ' . $for->nodeValue);
                        break;
                }
            }
            $this->assertNotNull($labelName, 'Label tag with for == "inputName" attribute not found');
            $this->assertNotNull($labelAddress, 'Label tag with for == "inputAddress" attribute not found');

            $this->assertEquals('Your Name: ', $labelName->nodeValue, 'Text content of label element with attributes for == "inputName" should be "Your Name: "');
            $this->assertEquals('Your Address: ', $labelAddress->nodeValue, 'Text content of label element with attributes for == "inputAddress" should be "Your Address: "');

            // input assertion
            $inputs = $dom->getElementsByTagName('input');
            $inputName = $inputs->item(0);
            $inputAddress = $inputs->item(1);

            $this->assertNotNull($inputName, 'The first input tag is not found');
            $this->assertNotNull($inputAddress, 'The second input tag is not found');

            $this->assertEquals('yourName', $inputName->attributes->getNamedItem('name')->nodeValue, 'The value of the name attribute in the first input tag should be "yourName"');
            $this->assertEquals('yourAddress', $inputAddress->attributes->getNamedItem('name')->nodeValue,  'The value of the name attribute in the second input tag should be "yourAddress"');

            $this->assertEquals('text', $inputName->attributes->getNamedItem('type')->nodeValue, 'The value of the type attribute on the input element with name == "yourName" should be "text"');
            $this->assertEquals('inputName', $inputName->attributes->getNamedItem('id')->nodeValue, 'The value of the id attribute on the input element with name == "yourName" should be "inputName"');
            $this->assertEquals('Input Your Name', $inputName->attributes->getNamedItem('placeholder')->nodeValue, 'The value of the placeholder attribute on the input element with name == "yourName" should be "Input Your Name"');

            $this->assertEquals('text', $inputAddress->attributes->getNamedItem('type')->nodeValue, 'The value of the type attribute on the input element with name == "yourAddress" should be "text"');
            $this->assertEquals('inputAddress', $inputAddress->attributes->getNamedItem('id')->nodeValue, 'The value of the id attribute on the input element with name == "yourAddress" should be "inputAddress"');
            $this->assertEquals('Input Your Address', $inputAddress->attributes->getNamedItem('placeholder')->nodeValue, 'The value of the placeholder attribute on the input element with name == "yourAddress" should be "Input Your Address"');

            $inputSubmit = $inputs->item(2);
            $this->assertNotNull($inputName, 'The third input tag is not found');
            $this->assertEquals('submit', $inputSubmit->attributes->getNamedItem('type')->nodeValue, 'The value of the type attribute in the third input element in form != submit');
            $this->testResultsManager->showTestResult($testCase);
        } catch (\Throwable $e) {
            $this->testResultsManager->showTestResult($testCase, $e);
            throw $e;
        }
    }
}