#I LOVE YOU EVERDAY#

<?php
session_start();
include 'db_connection.php';

// Kama admin tayari kashalogin, mpeleke moja kwa moja dashboard
if (isset($_SESSION['admin_logged_in']) && $_SESSION['admin_logged_in'] === true) {
    header("Location: staff-dashboard.php");
    exit;
}

$error = '';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $username = trim($_POST['username']);
    $password = $_POST['password'];

// Andaa query ya kupata admin
    $stmt = $conn->prepare("SELECT id, username, password, full_name FROM admins WHERE username = ?");
    $stmt->bind_param("s", $username);
    $stmt->execute();
    $res = $stmt->get_result();

if ($res->num_rows === 1) {
        $row = $res->fetch_assoc();

// Angalia password
        if (password_verify($password, $row['password'])) {
            // Login success
            $_SESSION['admin_logged_in'] = true;
            $_SESSION['admin_id'] = $row['id'];
            $_SESSION['admin_username'] = $row['username'];
            $_SESSION['admin_full_name'] = $row['full_name'];

header("Location: staff-dashboard.php");
            exit;
        } else {
            $error = "⚠️ Invalid username or password.";
        }
    } else {
        $error = "⚠️ Invalid username or password.";
    }
}
?>
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Admin Login | FRAJUU CONNECT</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body class="bg-light">

<div class="container d-flex justify-content-center align-items-center vh-100">
  <div class="card shadow-lg p-4" style="max-width: 400px; width: 100%;">
        <div class="text-end mb-3">
        <a href="index.php" class="btn btn-primary btn-sm">Back to Dashboard</a>
    </div>
    <h3 class="text-center mb-3">Admin Login</h3>
    <?php if($error): ?>
      <div class="alert alert-danger"><?php echo $error; ?></div>
    <?php endif; ?>
    <form method="POST" action="">
      <div class="mb-3">
        <label class="form-label">Username</label>
        <input type="text" name="username" class="form-control" required autofocus>
      </div>
      <div class="mb-3">
        <label class="form-label">Password</label>
        <input type="password" name="password" class="form-control" required>
      </div>
      <button type="submit" class="btn btn-primary w-100">Login</button>
    </form>
  </div>
</div>

</body>
</html>