<?php
/*
 * File containing functions for user registration
 */


add_action( 'wp_ajax_user_registration', 'user_registration' );
function user_registration() {

  // save posted form data
  $user_first_name  = $_POST['user_name'];
  $user_last_name   = $_POST['user_surname'];
  $user_email       = $_POST['user_email'];
  $user_email_check = $_POST['user_email_check'];
  $user_pass        = $_POST['user_pass'];
  $user_pass_check  = $_POST['user_pass_check'];


  // check if emails match
  if( strcmp( $user_email, $user_email_check ) !== 0 ) {
    echo json_encode(array(
      'success' => false,
      'message' => 'Unesene e-mail adrese se ne podudaraju.'
    ));

    die();
    return;
  }

  // check if passwords match
  if( strcmp( $user_pass, $user_pass_check ) !== 0 ) {
    echo json_encode(array(
      'success' => false,
      'message' => 'Unesene lozinke se ne podudaraju.'
    ));

    die();
    return;
  }

  // create new user (customer)
  $user_id = wc_create_new_customer( sanitize_email( $user_email ), wc_clean( $user_email ), $user_password );


  if( ! is_wp_error( $user_id) && is_numeric( $user_id ) ) {

    $data = array(
      'billing_email'      => $user_email,
      'billing_first_name' => $user_first_name,
      'billing_last_name'  => $user_last_name,
    );

    foreach( $data as $key => $value ){
      update_user_meta( $user_id, $key, $value );
    }

  } elseif( is_wp_error( $user_id ) ) {

    $error = array(
      'error'   => "Wordpress insert error",
      'details' => $user_id->errors
    );

    if ( isset($user_id->errors['empty_user_login']) ) {

      echo json_encode(array(
        'success' => false,
        'message' => 'Email adresa je obvezno polje. Molimo ispuni email adresu i pokušaj ponovo.'
      ));

    } elseif ( isset($user_id->errors['existing_user_login']) || isset($user_id->errors['existing_user_email']) || isset($user_id->errors['registration-error-email-exists'])) {


      echo json_encode(array(
          'success' => false,
          'message' => 'Korisnik s tom email adresom već postoji. Ako već imaš korisnički račun,molimo te da klikneš na prijavu u glavnom izborniku.'
      ));


    } else {


      echo json_encode(array(
          'success' => false,
          'message' => 'Došlo je do nepoznate pogreške. Molimo pokušaj kasnije.'
      ));

    }

  } else if ( ! is_numeric( $user_id ) ) {

      $error = array(
        'error'    => "Wordpress insert error",
        'details' => $user_id
      );

      echo json_encode(array(
          'success' => false,
          'message' => 'Došlo je do nepoznate pogreške. Molimo pokušaj kasnije.'
      ));


    }


    die();
    return;

}