<?php
include 'renderer.php';

class Membership extends Renderer {
    protected array $formFields = [
        ['label' => 'Vorname', 'type' => 'text', 'size' => 50, 'name' => 'firstname', 'combine_with_next_line' => false],
        ['label' => 'Nachname', 'type' => 'text', 'size' => 50, 'name' => 'lastname', 'combine_with_next_line' => false],
        ['label' => 'Straße (mit Hausnummer)', 'type' => 'text', 'size' => 50, 'name' => 'street', 'combine_with_next_line' => false],
        ['label' => 'Plz', 'type' => 'text', 'size' => 5, 'name' => 'zip', 'combine_with_next_line' => true],
        ['label' => 'Ort', 'type' => 'text', 'size' => 40, 'name' => 'town', 'combine_with_next_line' => false],
        ['label' => 'Geburtsdatum', 'type' => 'date', 'size' => 50, 'name' => 'birthdate', 'combine_with_next_line' => false],
        ['label' => 'Telefon-Nr.', 'type' => 'text', 'size' => 50, 'name' => 'phone', 'combine_with_next_line' => false],
        ['label' => 'Email-Adresse', 'type' => 'email', 'size' => 50, 'name' => 'email', 'combine_with_next_line' => false],
        ['label' => 'Name des Kindes (Optional)', 'type' => 'text', 'size' => 50, 'name' => 'childname', 'combine_with_next_line' => false],
        ['label' => 'Straße des Kindes (Optional)', 'type' => 'text', 'size' => 50, 'name' => 'childstreet', 'combine_with_next_line' => false],
        ['label' => 'Gewählter Jahresbeitrag', 'type' => 'combobox', 'size' => 50, 'name' => 'payheight', 'combine_with_next_line' => false,
            'values' => ['12 €', '25 €', '50 €', '60 €', '100 €', 'Selbst wählen'], 'default' => '25 €',],
        ['label' => 'Höhe des freien Beitrags (Optional)', 'type' => 'number', 'size' => 50, 'name' => 'freepayheight', 'value' => 0, 'combine_with_next_line' => false],
        ['label' => 'Ich stimme der elektronischen Verarbeitung und Speicherung meiner Daten zu', 'type' => 'checkbox', 'size' => 1, 'name' => 'accept_electronical_usage', 'value' => 1],
        ['type' => 'spacer', 'value' => ''],
        ['type' => 'infotext', 'label' => '<h3>(Optional) Bankeinzugsinformationen</h3>'],
        ['label' => 'Geldinstitut', 'type' => 'text', 'size' => 50, 'name' => 'bankname', 'combine_with_next_line' => false],
        ['label' => 'IBAN', 'type' => 'text', 'size' => 50, 'name' => 'iban', 'combine_with_next_line' => false],
        ['label' => 'BIC', 'type' => 'text', 'size' => 50, 'name' => 'bic', 'combine_with_next_line' => false],
        ['label' => 'Kontoinhaber', 'type' => 'text', 'size' => 50, 'name' => 'accountmembername', 'combine_with_next_line' => false],
    ];
    protected string $formSendButtonLabel = 'Mitgliedschaftsantrag vorausgefüllt beantragen';
    
    protected function formAction(): void {
        $formData['firstname'] = trim(filter_input(INPUT_POST, 'firstname', FILTER_SANITIZE_STRING));
        $formData['lastname'] = trim(filter_input(INPUT_POST, 'lastname', FILTER_SANITIZE_STRING));
        $formData['street'] = trim(filter_input(INPUT_POST, 'street', FILTER_SANITIZE_STRING));
        $formData['zip'] = trim(filter_input(INPUT_POST, 'zip', FILTER_SANITIZE_STRING));
        $formData['town'] = trim(filter_input(INPUT_POST, 'town', FILTER_SANITIZE_STRING));
        $formData['birthDate'] = trim(filter_input(INPUT_POST, 'birthdate', FILTER_SANITIZE_STRING));
        $formData['phoneNumber'] = trim(filter_input(INPUT_POST, 'phone', FILTER_SANITIZE_STRING));
        $formData['email'] = trim(filter_input(INPUT_POST, 'email', FILTER_SANITIZE_STRING));
        $formData['childName'] = trim(filter_input(INPUT_POST, 'childname', FILTER_SANITIZE_STRING));
        $formData['childStreet'] = trim(filter_input(INPUT_POST, 'childstreet', FILTER_SANITIZE_STRING));
        $formData['payHeight'] = trim(filter_input(INPUT_POST, 'payheight', FILTER_SANITIZE_STRING));
        $formData['bankname'] = trim(filter_input(INPUT_POST, 'bankname', FILTER_SANITIZE_STRING));
        $formData['iban'] = trim(filter_input(INPUT_POST, 'iban', FILTER_SANITIZE_STRING));
        $formData['bic'] = trim(filter_input(INPUT_POST, 'bic', FILTER_SANITIZE_STRING));
        $formData['agreedElectronicalHandling'] = intval(filter_input(INPUT_POST, 'accept_electronical_usage', FILTER_SANITIZE_NUMBER_INT));
        $formData['accountmembername'] = trim(filter_input(INPUT_POST, 'accountmembername', FILTER_SANITIZE_STRING));
        $this->checkFormData($formData);
        $this->saveNewMember($formData);
        $this->sendEmail($formData);
    }
    
    protected function checkFormData(array $formData): void {
         if ($formData['payHeight'] === 'Selbst wählen') {
            $formData['payHeight'] = filter_input(INPUT_POST, 'freepayheight', FILTER_SANITIZE_NUMBER_INT);
        }
        if (!preg_match('/^([0-9]{5})$/', $formData['zip'])) {
            $this->errors['zip'] = 'Die Postleitzahl ist nicht korrekt';
        }
        if (!preg_match('/^((19|20)([0-9]){2}-[0-9]{2})-([0-9]{2})$/', $formData['birthDate']) || (DateTimeImmutable::createFromFormat('Y-m-d', $formData['birthDate']))->getTimestamp() > time()) {
            $this->errors['birthdate'] = 'Das eingegebene Geburtsdatum ist nicht korrekt';
        }
        if (!preg_match('/^0([0-9]{2,6})([ ]{0,1})([-\/]{0,1})([ ]{0,1})([0-9 ]{4,25})$/', $formData['phoneNumber'])) {
            $this->errors['phone'] = 'Die Telefonnummer ist nicht korrekt';
        }
        if (!filter_var($formData['email'], FILTER_VALIDATE_EMAIL)) {
            $this->errors['email'] = 'Die Email-Adresse ist inkorrekt';
        }
        if ($formData['agreedElectronicalHandling'] !== 1) {
            $this->errors['accept_electronical_usage'] = 'Für die Online-Registrierung müssen Sie der elektronischen Verarbeitung zustimmen';
        }
   }
   
   protected function saveNewMember(array $formData): void {
       $salt = $this->generateRandomString();
       $query = sprintf("INSERT INTO ffajs.clubmember( "
            . "        first_name, last_name, street, zip, town,  "
            . "        birthdate, phone, email, child_name, child_street,  "
            . "        subscription, bank_name, iban, bic, account_member_name,  "
            . "        membership_status, salt) "
            . "VALUES('%s', '%s', '%s', '%s', '%s',  "
            . "        '%s', '%s', '%s', '%s', '%s',  "
            . "        '%s', '%s', '%s', '%s', '%s', "
            . "        %d, '%s') ",
               $this->getDbEncryptedValueIfNeeded($formData, 'firstname', $salt), 
               $this->getDbEncryptedValueIfNeeded($formData, 'lastname', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'street', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'zip', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'town', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'birthDate', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'phoneNumber', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'email', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'childName', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'childStreet', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'payHeight', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'bankname', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'iban', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'bic', $salt),
               $this->getDbEncryptedValueIfNeeded($formData, 'accountmembername', $salt),
               1,
               $salt);
       mysqli_query($this->dbConnection, $query);
   }
   
   protected function sendEmail(array $formData): void {
        $noForm = count($this->errors) === 0;
        if ($noForm) {
            $data = ['Name' => $formData['firstname'], $formData['lastname'], 'Strasse' => $formData['street'], 'Ort' => $formData['zip'] . ' ' . $formData['town'], 
                'Geburtstag' => $formData['birthDate'], 'Telefon' => $formData['phoneNumber'], 'Email' => $formData['email'], 
                'Name des Kindes' => $formData['childName'], 'Straße des Kindes' => $formData['childStreet'],
                'Gewünschter Mitgliedsbeitrag' => $formData['payHeight'], 'Geldinstitut' => $formData['bankname'], 
                'IBAN' => $formData['iban'], 'BIC' => $formData['bic'], 'Kontoinhaber' => $formData['accountmembername'], 
                'Elektronischer Verarbeitung zugestimmg' => $formData['agreedElectronicalHandling']
            ];
            $mail = $this->initSmtpMailer();
            $mail->setFrom($formData['email'], $formData['firstname'] . ' ' . $formData['lastname']);
            $mail->addReplyTo($formData['email'], $formData['firstname'] . ' ' . $formData['lastname']);
            $mail->addAddress('foerderverein-ajs@gmx.de', 'Vorstand Förderverein AJS');
            $message = '';
            foreach ($data as $field => $value) {
                $message .= $field . ': ' . $value . "\n";
            }
            $this->sendMail($mail, 'Mitgliedsantrag', $message, '');
            $this->templateName = 'membership_success';
        }
   }
}