<?php
	/*
	* Email settings
	*/
	// admin email
	$adminEmail = 'contato@locusmap.com.br';
	// email will arrive from
	$fromEmail = 'formulario@locusmap.com.br';
	// message subject
	$subject = 'Email do formulário do site';
	// message intro
	$message = "Email do formulário do site";
	/*
	* Validation settings
	*/
	// required
	$required = array('name','email','message','captcha');
	// valid email
	$validEmail = array('email');

	// Do validation
	$res = array('result'=>true,'errors'=>array());
	if(!empty($_POST)){
		foreach ($_POST as $key => $value) {
			if(in_array($key, $required)){ // check if required
				if(trim($value) == ''){ // check if empty
					$res['result'] = false;
					if(!isset($res['errors'][$key])) // don't set more than one error
						$res['errors'][$key] = 'required';
				}
			}

			if(in_array($key, $validEmail)){ // check if required
				$pattern = '/^[A-z0-9._%+-]+@[A-z0-9.-]+\.[A-z]{2,4}$/';

				if(preg_match($pattern, $value) === 0){ // check if empty
					$res['result'] = false;
					if(!isset($res['errors'][$key])) // don't set more than one error
						$res['errors'][$key] = 'email';
				}
			}
		}

		if($res['result'] === true){ //validation passed
			// message content
			$message .= "\n";
			$message .= "From: ".strip_tags($_POST['name'])."\n"; // strip_tags is used to avoid malicius script
			$message .= "Email: ".$_POST['email']."\n";
			$message .= "Message:"."\n\n";
			$message .= strip_tags($_POST['message']);


			$headers = 'From: $fromEmail'.$fromEmail. "\r\n" .
			    'Reply-To: '.$_POST['email'] . "\r\n" .
			    'X-Mailer: PHP/' . phpversion() . "\r\n";
			// enable html email
			$headers .= 'Content-type: text/html; charset=UTF-8' . "\r\n";


			//send the email
			mail($adminEmail, $subject, $message, $headers);
		}
	}

	echo json_encode($res);
?>