<?php
  include_once 'scripts/functions.php';
  $title = "website ~ register";
  $db = DB_connection();
  $nameErr = $lnameErr = $emailErr = $userErr = $passErr = $pass2Err = "";
  $name = $lname = $email = $user = $pass = $pass2 = "";
  if (isset($_POST['submit'])){
    if(empty($_POST['first_name']) || empty($_POST['last_name']) || empty($_POST['email']) || empty($_POST['user_name']) || empty($_POST['password']) ||
    empty($_POST['password_repeat'])) {
      if(empty($_POST['first_name'])){
        $nameErr = 'Your first name is required!';
      }
      if(empty($_POST['last_name'])){
        $lnameErr = 'Your last name is required!';
      }
      if (empty($_POST['email'])) {
        if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
          $emailErr = "Your email format is invalid!";
        } else {
          $emailErr = "Your email address is required!";
        }
      }
      if(empty($_POST['user_name'])){
        $userErr = 'An user name is required!';
      }
      if(empty($_POST['password'])) {
        if (strlen($_POST['password']) <= '8') {
          $passErr = "Your Password Must Contain At Least 8 Characters!";
        }
        elseif(!preg_match('#[0-9]+#', $_POST['password'])) {
          $passErr = "Your Password Must Contain At Least 1 Number!";
        }
        elseif(!preg_match('#[A-Z]+#', $_POST['password'])) {
          $passErr = "Your Password Must Contain At Least 1 Capital Letter!";
        }
        elseif(!preg_match('#[a-z]+#', $_POST['password'])) {
          $passErr = "Your Password Must Contain At Least 1 Lowercase Letter!";
        } else {
          $passErr = 'A password is required!';
        }
      }
      if(empty($_POST['password_repeat']) || $_POST['password_repeat'] != $_POST['password']){
        $pass2Err = 'Password did not match or u did not write it yet!';
      }
    } else {
      $name = mysqli_real_escape_string($db, $_POST['first_name']);
      $lname = mysqli_real_escape_string($db,  $_POST['last_name']);
      $email = mysqli_real_escape_string($db,  $_POST['email']);
      $user = mysqli_real_escape_string($db,  $_POST['user_name']);
      $pass = mysqli_real_escape_string($db,  $_POST['password']);
      $passprt = sha1($pass);
      insert($name, $lname, $email, $user, $passprt);
      $_SESSION["name"] = $name;
      header("Location: http://localhost:8080/website/");
    }
  }
?>
<?php include_once 'scripts/header.php'; ?>
<div class="container-fluid">
    <div class="container">
      <nav class="navbar navbar-inverse navbar-fixed-top">
        <button type="button" class="navbar-toggle pull-right" data-toggle="collapse" data-target="#myNavbar">
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
        </button>
        <div class="collapse navbar-collapse" id="myNavbar">
          <ul class="nav navbar-nav pull-right">
              <?php if(isset($_SESSION['name'])) { ?>
              <li class="li_welcome">welcome <?php echo $_SESSION['name']; ?></li>
              <li><a href="logout.php">logout</a></li>
              <?php }else{ ?>
              <li><a href="login.php">login</a></li>
              <li><a href="register.php">register</a></li>
              <?php } ?>
          </ul>
        </div>
      </nav>
    </div>
  	<div class="container">
  		<form class="form_register col-lg-6" action="register.php" method="post">
	      <div class="form-group">
  		    <label for="first-name"><span class="error">* </span>first name:</label>
  		    <input type="type" name="first_name" class="form-control" id="first_name">
          <span class="error"><?php echo $nameErr;?></span>
  		  </div>
  		  <div class="form-group">
  		    <label for="last_name"><span class="error">* </span>last name:</label>
  		    <input type="text" name="last_name" class="form-control" id="last_name">
          <span class="error"><?php echo $lnameErr;?></span>
  		  </div>
  	      <div class="form-group">
  		    <label for="email"><span class="error">* </span>Email address:</label>
  		    <input type="text" name="email" class="form-control" id="email">
          <span class="error"><?php echo $emailErr;?></span>
  		  </div>
  		  <div class="form-group">
  		    <label for="user_name"><span class="error">* </span>user name:</label>
  		    <input type="text" name="user_name" class="form-control" id="user_name">
          <span class="error"><?php echo $userErr;?></span>
  		  </div>
  		  <div class="form-group">
  		    <label for="pwd"><span class="error">* </span>Password:</label>
  		    <input type="password" name="password" class="form-control" id="pwd">
          <span class="error"><?php echo $passErr;?></span>
  		  </div>
  		  <div class="form-group">
  		    <label for="pwd_repeat"><span class="error">* </span>repeat password:</label>
  		    <input type="password" name="password_repeat" class="form-control" id="pwd_repeat">
          <span class="error"><?php echo $pass2Err;?></span>
  		  </div>
        <div>
          <span>Everything with a * is required</span><br><br>
        <div>
  		  <button type="submit" name="submit" class="btn btn-default">Submit</button>
  	  </form>
  	</div>
</div>