<?php

error_log('Hello, errors (2)!');

include 'db_connect.php';
include 'functions.php';
include '../mail.php';

$name = $_POST['name'];
$sid = $_POST['sid'];
$email = $_POST['email'];
$username = $_POST['username'];
$response = $_POST['response'];
$password = $_POST['password'];

$fields = [
    'secret'   => '6LfVZRITAAAAALN5A_Uq7E-cIraDyOtOazYJd9av',
    'response' => "$response",
];

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$gresponse = curl_exec($ch);

curl_close($ch);

$obj = json_decode($gresponse);
$result = $obj->{'success'};

// Check for empty fields
if ($result != 'true' || empty($_POST['name']) || empty($_POST['response']) || empty($_POST['sid']) || empty($_POST['email']) || empty($_POST['username']) || !filter_var($_POST['email'], FILTER_VALIDATE_EMAIL) || empty($_POST['password'])) {
    exit('false');
}

$check_stmt = $pdotwo->prepare('SELECT Email, username FROM Strutture WHERE IdStruttura = ?;');
$check_stmt->execute([$sid]);
$count = $check_stmt->rowCount();
$adminemail = $check_stmt->fetchColumn();
$adminusername = $check_stmt->fetchColumn(1);

$checktwo_stmt = $pdo->prepare('SELECT * FROM members WHERE username = ?;');
$checktwo_stmt->execute([$username]);
$counttwo = $checktwo_stmt->rowCount();

if ($count == '1' && $counttwo == '0') {
    // Crea una chiave casuale
  $random_salt = hash('sha512', uniqid(mt_rand(1, mt_getrandmax()), true));
  // Crea una password usando la chiave appena creata.
  $password = hash('sha512', $password.$random_salt);
    $email_sha512 = hash('sha512', uniqid(mt_rand(1, mt_getrandmax()), true));
    $insert_stmt = $pdo->prepare("INSERT INTO members (name, sid, email, username, password, salt, email_sha512, usertype, verifyemail) VALUES (?, ?, ?, ?, ?, ?, ?, '0', '0');");
    $insert_stmt->execute([$name, $sid, $email, $username, $password, $random_salt, $email_sha512]);
    $count = $insert_stmt->rowCount();
    if ($count == '1') {
        include 'emailtext.php';
        sendmail($email, $usversubject, $usverbody, $usverhtmlbody, '');
        sendmail($adminemail, $adversubject, $adverbody, $adverhtmlbody, '');

        exit('ok');
    } else {
        exit('false');
    }
} else {
    exit('false');
}