<?php
session_start();
include "koneksi.php";

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST['username'];
    $password = $_POST['password']; // gunakan hash jika perlu

    $query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
    $result = mysqli_query($conn, $query);

    if (mysqli_num_rows($result) == 1) {
        $_SESSION['username'] = $username;
        header("Location: index.php");
        exit();
    } else {
        $error = "Username atau password salah.";
    }
}
?>

<!DOCTYPE html>
<html lang="id">
<head>
    <meta charset="UTF-8">
    <title>Login - Absensi RFID</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css" rel="stylesheet">
    <style>
        body {
            background: linear-gradient(135deg, #0d6efd, #6f42c1);
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .login-card {
            background: white;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 400px;
        }
        .logo {
            width: 80px;
            height: 80px;
            margin-bottom: 15px;
        }
    </style>
</head>
<body>

    <div class="login-card text-center">
        <img src="https://cdn-icons-png.flaticon.com/512/3064/3064197.png" class="logo" alt="Logo">
        <h4 class="mb-4">Sistem Absensi RFID</h4>

        <?php if (isset($error)) : ?>
            <div class="alert alert-danger alert-dismissible fade show" role="alert">
                <i class="bi bi-exclamation-circle"></i> <?php echo $error; ?>
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        <?php endif; ?>

        <form method="POST" class="text-start">
            <div class="mb-3">
                <label class="form-label">Username</label>
                <div class="input-group">
                    <span class="input-group-text"><i class="bi bi-person-fill"></i></span>
                    <input type="text" name="username" class="form-control" placeholder="Masukkan username" required>
                </div>
            </div>
<div class="mb-3 position-relative">
    <label class="form-label">Password</label>
    <div class="input-group">
        <span class="input-group-text"><i class="bi bi-lock-fill"></i></span>
        <input type="password" name="password" id="password" class="form-control" placeholder="Masukkan password" required>
        <span class="input-group-text" onclick="togglePassword()" style="cursor: pointer;">
            <i class="bi bi-eye-fill" id="eyeIcon"></i>
        </span>
    </div>
</div>

            <button type="submit" class="btn btn-primary w-100 mt-3">Login</button>
        </form>

        <p class="mt-4 text-muted" style="font-size: 0.9em;">&copy; <?php echo date('Y'); ?> Sistem Absensi RFID</p>
    </div>

    <script>
        function togglePassword() {
            const passwordInput = document.getElementById("password");
            const eyeIcon = document.getElementById("eyeIcon");
            if (passwordInput.type === "password") {
                passwordInput.type = "text";
                eyeIcon.classList.remove("bi-eye-fill");
                eyeIcon.classList.add("bi-eye-slash-fill");
            } else {
                passwordInput.type = "password";
                eyeIcon.classList.remove("bi-eye-slash-fill");
                eyeIcon.classList.add("bi-eye-fill");
            }
        }
    </script>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
