<?php
namespace PortoContactForm;
session_start();

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'php/php-mailer/src/PHPMailer.php';
require 'php/php-mailer/src/SMTP.php';
require 'php/php-mailer/src/Exception.php';

// Step 1 - Enter your email address below.
$email = 'you@domain.com';

// If the e-mail is not working, change the debug option to 2 | $debug = 2;
$debug = 0;

if(isset($_POST['emailSent'])) {

	// If contact form don't has the subject input change the value of subject here
	$subject = ( isset($_POST['subject']) ) ? $_POST['subject'] : 'Define subject in php/contact-form.php line 29';

	if(isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response'])) {

		// Your Google reCAPTCHA generated Secret Key here
		$secret = 'YOUR_RECAPTCHA_SECRET_KEY';

		if( ini_get('allow_url_fopen') ) {
			//reCAPTCHA - Using file_get_contents()
			$verifyResponse = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret='.$secret.'&response='.$_POST['g-recaptcha-response']);
			$responseData = json_decode($verifyResponse);
		} else if( function_exists('curl_version') ) {
			// reCAPTCHA - Using CURL
			$fields = array(
		        'secret'    =>  $secret,
		        'response'  =>  $_POST['g-recaptcha-response'],
		        'remoteip'  =>  $_SERVER['REMOTE_ADDR']
		    );

		    $verifyResponse = curl_init("https://www.google.com/recaptcha/api/siteverify");
		    curl_setopt($verifyResponse, CURLOPT_RETURNTRANSFER, true);
		    curl_setopt($verifyResponse, CURLOPT_TIMEOUT, 15);
		    curl_setopt($verifyResponse, CURLOPT_POSTFIELDS, http_build_query($fields));
		    $responseData = json_decode(curl_exec($verifyResponse));
		    curl_close($verifyResponse);
		} else {
			$arrResult = array ('response'=>'error','errorMessage'=>'You need CURL or file_get_contents() activated in your server. Please contact your host to activate.');
			echo json_encode($arrResult);
			die();
		}

		if($responseData->success) {

			$message = '';

			foreach($_POST as $label => $value) {
				if( !in_array( $label, array( 'emailSent', 'captcha' ) ) ) {
					$label = ucwords($label);

					// Use the commented code below to change label texts. On this example will change "Email" to "Email Address"

					// if( $label == 'Email' ) {
					// 	$label = 'Email Address';
					// }

					// Checkboxes
					if( is_array($value) ) {
						// Store new value
						$value = implode(', ', $value);
					}

					if($label != 'G-recaptcha-response') {
						$message .= $label.": " . htmlspecialchars($value, ENT_QUOTES) . "<br>\n";
					}
				}
			}

			$mail = new PHPMailer(true);

			try {

				$mail->SMTPDebug = $debug;                            // Debug Mode

				// Step 3 (Optional) - If you don't receive the email, try to configure the parameters below:

				//$mail->IsSMTP();                                         // Set mailer to use SMTP
				//$mail->Host = 'mail.yourserver.com';				       // Specify main and backup server
				//$mail->SMTPAuth = true;                                  // Enable SMTP authentication
				//$mail->Username = 'user@example.com';                    // SMTP username
				//$mail->Password = 'secret';                              // SMTP password
				//$mail->SMTPSecure = 'tls';                               // Enable encryption, 'ssl' also accepted
				//$mail->Port = 587;   								       // TCP port to connect to

				$mail->AddAddress($email);	 						       // Add a recipient

				//$mail->AddAddress('person2@domain.com', 'Person 2');     // Add another recipient
				//$mail->AddCC('person3@domain.com', 'Person 3');          // Add a "Cc" address.
				//$mail->AddBCC('person4@domain.com', 'Person 4');         // Add a "Bcc" address.

				// From - Name
				$fromName = ( isset($_POST['name']) ) ? $_POST['name'] : 'Website User';
				$mail->SetFrom($email, $fromName);

				// Repply To
				if( isset($_POST['email']) ) {
					$mail->AddReplyTo($_POST['email'], $fromName);
				}

				$mail->IsHTML(true);                                  		// Set email format to HTML

				$mail->CharSet = 'UTF-8';

				$mail->Subject = $subject;
				$mail->Body    = $message;

				// Step 4 - If you don't want to attach any files, remove that code below
				if (isset($_FILES['attachment']) && $_FILES['attachment']['error'] == UPLOAD_ERR_OK) {
					$mail->AddAttachment($_FILES['attachment']['tmp_name'], $_FILES['attachment']['name']);
				}

				$mail->Send();

				$arrResult = array ('response'=>'success');

			} catch (Exception $e) {
				$arrResult = array ('response'=>'error','errorMessage'=>$e->errorMessage());
			} catch (\Exception $e) {
				$arrResult = array ('response'=>'error','errorMessage'=>$e->getMessage());
			}

		} else {
			$arrResult = array ('response'=>'error','errorMessage'=>'Robot verification failed, please try again');
		}

	} else {
		$arrResult = array ('response'=>'error','errorMessage'=>'Please click on the reCAPTCHA box.');
	}
}
?>