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<?php
session_start();
include_once "connection.php";

if(!$_POST) {
  showForm();
}

if(empty($_POST["username"])) {
  ?>
  <p>Empty username</p>
<?php
showForm();
};
if(empty($_POST["password"])){
    ?>
<p>Empty password</p>

  <?php
  showForm();
};

$username = $_POST["username"];
$password = $_POST["password"];

if ($prepare = $conn->prepare("SELECT password FROM login password='$password'")) {
    $prepare->bind_param("s", $hash);
    $prepare->execute();
};


if (password_verify($password, $hash)) {
    echo 'Password is valid!';
} else {
    echo 'Invalid password.';
}


function showForm() {
  ?>
  <form action="login.php" method="post">
    username goes here:<input type="text" name="username" placeholder="Username" />
      <br>
    password goes here:<input type="text" name="password" placeholder="Password" />
      <br>
    <input type=submit value="put it in"/>
  </form>
<br>
<a href="register.php">
        <button>Register!</button>
        </a>
  <?php
  exit;
} ?>

<html>
    <head>
    </head>
    <body>

    </body>

</html>