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

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

$valid_roles = ['admin', 'superadmin'];
if (!isset($_SESSION['username']) || !in_array(strtolower($_SESSION['role'] ?? ''), $valid_roles)) {
    die("Access Denied.");
}

$username_session = $_SESSION['username'] ?? 'Admin';
function h($s) { return htmlspecialchars($s ?? '', ENT_QUOTES, 'UTF-8'); }

$pending_sql = "SELECT g.id, g.user_id, g.title, g.description, g.status, g.created_at FROM grievances g WHERE g.status = 'Pending' ORDER BY g.created_at DESC";
$pending_result = $conn->query($pending_sql);
if ($pending_result === false) die("Error: " . $conn->error);

$responded_sql = "SELECT g.id, g.user_id, g.title, g.description, g.status, g.created_at, g.hr_reply FROM grievances g WHERE g.status IN ('Resolved', 'In Review') ORDER BY g.created_at DESC";
$responded_result = $conn->query($responded_sql);
if ($responded_result === false) die("Error: " . $conn->error);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>MPC · Grievance Dashboard</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ink: #0f172a; --ink-2: #334155; --muted: #94a3b8; --border: #e2e8f0;
  --surface: #ffffff; --bg: #f1f5f9; --sidebar-bg: #0f172a; --sidebar-w: 260px;
  --radius: 12px; --shadow: 0 1px 3px rgba(15,23,42,.06), 0 4px 16px rgba(15,23,42,.06);
  font-family: 'Sora', system-ui, sans-serif;
}
html, body { height: 100%; }
body { background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.layout { display: flex; min-height: 100vh; }

.sidebar { width: var(--sidebar-w); background: var(--sidebar-bg); position: fixed; inset: 0 auto 0 0; z-index: 200; display: flex; flex-direction: column; overflow-y: auto; overflow-x: hidden; transition: transform .3s cubic-bezier(.4,0,.2,1); scrollbar-width: none; }
.sidebar::-webkit-scrollbar { display: none; }
.sidebar.hidden { transform: translateX(-100%); }
.sidebar-brand { padding: 24px 20px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.06); margin-bottom: 8px; }
.brand-logo { width: 36px; height: 36px; background: linear-gradient(135deg, #3b82f6, #6366f1); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0; }
.brand-name { font-size: 15px; font-weight: 700; color: #fff; }
.brand-sub  { font-size: 10px; color: rgba(255,255,255,.4); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 1px; }
.nav-section { padding: 0 12px 6px; }
.nav-item { list-style: none; }
.nav-link, .nav-dropdown-toggle { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: rgba(255,255,255,.65); text-decoration: none; font-size: 13px; font-weight: 500; cursor: pointer; border: none; background: none; width: 100%; text-align: left; transition: background .15s, color .15s; }
.nav-link:hover, .nav-dropdown-toggle:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-link.active { background: rgba(59,130,246,.2); color: #60a5fa; }
.nav-link i, .nav-dropdown-toggle i { width: 16px; text-align: center; font-size: 13px; }
.nav-dropdown-toggle .arrow { margin-left: auto; transition: transform .2s; font-size: 10px; }
.nav-dropdown-toggle.open .arrow { transform: rotate(180deg); }
.nav-submenu { list-style:none; overflow:hidden; max-height:0; transition:max-height .3s ease; padding-left:26px; }
.nav-submenu.open { max-height: 600px; }
.nav-submenu .nav-link { font-size: 12px; padding: 6px 10px; color: rgba(255,255,255,.5); }
.nav-submenu .nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }
.sidebar-footer { margin-top: auto; padding: 12px; border-top: 1px solid rgba(255,255,255,.06); }

.content { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; transition: margin .3s cubic-bezier(.4,0,.2,1); }
.content.expanded { margin-left: 0; }
.topbar { height: 60px; background: var(--surface); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; padding: 0 24px; position: sticky; top: 0; z-index: 100; }
.hamburger-btn { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--ink-2); font-size: 15px; flex-shrink: 0; transition: background .15s; }
.hamburger-btn:hover { background: var(--bg); }
.topbar-breadcrumb { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--muted); }
.topbar-breadcrumb .current { color:var(--ink); font-weight:600; }
.topbar-spacer { flex: 1; }
.topbar-user { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-2); font-weight:500; }
.topbar-avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #3b82f6, #6366f1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; }

.page { padding: 24px; flex: 1; }
.page-header { margin-bottom: 20px; }
.page-title  { font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: -.4px; }
.page-subtitle { font-size: 13px; color: var(--muted); margin-top: 2px; }

.alert { padding: 12px 16px; border-radius: 10px; font-size: 13px; font-weight: 500; display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; border: 1px solid transparent; }
.alert-success { background: #d1fae5; border-color: #6ee7b7; color: #065f46; }
.alert-danger   { background: #fee2e2; border-color: #fca5a5; color: #991b1b; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 20px; }
.card-header { display: flex; align-items: center; gap: 8px; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.card-title { font-size: 15px; font-weight: 700; color: var(--ink); }

.table-wrap { overflow-x: auto; }
table.mpc-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 700px; }
table.mpc-table thead th { background: #f8fafc; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.mpc-table tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--ink-2); vertical-align: middle; }
table.mpc-table tbody tr:last-child td { border-bottom: none; }
table.mpc-table tbody tr:hover { background: #f8fafc; }

.badge-status { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-Pending   { background: #fef3c7; color: #92400e; }
.badge-in-review { background: #dbeafe; color: #1e40af; }
.badge-Resolved  { background: #d1fae5; color: #065f46; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px; border: none; font-size: 12px; font-weight: 600; font-family: 'Sora', sans-serif; cursor: pointer; transition: opacity .15s; text-decoration: none; }
.btn-warning { background: #d97706; color: #fff; } .btn-warning:hover { opacity: .88; }
.no-data { text-align: center; padding: 40px; color: var(--muted); }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar:not(.hidden) { transform: none; }
  .content { margin-left: 0; }
  .page { padding: 16px; }
}
</style>
</head>
<body>
<div class="layout">

<nav class="sidebar" id="sidebar">
  <div class="sidebar-brand">
    <div class="brand-logo">M</div>
    <div><div class="brand-name">MPC</div><div class="brand-sub">Admin Portal</div></div>
  </div>
  <nav class="nav-section">
    <ul style="list-style:none">
      <li class="nav-item"><a href="dashboard_admin.php" class="nav-link"><i class="fas fa-sitemap"></i> Organisation Chart</a></li>
      <li class="nav-item">
        <button class="nav-dropdown-toggle" onclick="toggleMenu(this)"><i class="fas fa-folder-open"></i> DAP<i class="fas fa-chevron-down arrow"></i></button>
        <ul class="nav-submenu">
          <li><a href="manage_users.php"         class="nav-link"><i class="fas fa-users"></i>        Employee Details</a></li>
          <li><a href="manage_documents.php"     class="nav-link"><i class="fas fa-file-alt"></i>     Policies Rolled Out</a></li>
          <li><a href="digital.php"              class="nav-link"><i class="fas fa-check-circle"></i> Acceptance Confirmed</a></li>
          <li><a href="change_password.php"      class="nav-link"><i class="fas fa-key"></i>          Change Password</a></li>
        </ul>
      </li>
      <li class="nav-item">
        <button class="nav-dropdown-toggle open" onclick="toggleMenu(this)"><i class="fas fa-calendar-alt"></i> CAB<i class="fas fa-chevron-down arrow"></i></button>
        <ul class="nav-submenu open">
          <li><a href="attendance.php"              class="nav-link"><i class="fas fa-clock"></i>             Attendance Dashboard</a></li>
          <li><a href="payroll.php"                 class="nav-link"><i class="fas fa-money-bill"></i>        Payroll Dashboard</a></li>
          <li><a href="mobile_attendance.php"       class="nav-link"><i class="fas fa-mobile-alt"></i>       Daily Attendance Report</a></li>
          <li><a href="task_dashboard.php"          class="nav-link"><i class="fas fa-tasks"></i>            Task Dashboard</a></li>
          <li><a href="daily_reports_dashboard.php" class="nav-link"><i class="fas fa-chart-line"></i>       Daily Report Dashboard</a></li>
          <li><a href="company_holidays.php"        class="nav-link"><i class="fas fa-star"></i>             Company Holidays</a></li>
          <li><a href="hr_approval_salary.php"      class="nav-link"><i class="fas fa-hand-holding-usd"></i> Advance Dashboard</a></li>
          <li><a href="expense_dashboard.php"       class="nav-link"><i class="fas fa-receipt"></i>          Expenses Dashboard</a></li>
          <li><a href="leave_dashboard.php"         class="nav-link"><i class="fas fa-umbrella-beach"></i>   Leave Dashboard</a></li>
          <li><a href="grievance_dashboard.php"     class="nav-link active"><i class="fas fa-comment-alt"></i> Grievance Dashboard</a></li>
        </ul>
      </li>
      <li class="nav-item">
        <button class="nav-dropdown-toggle" onclick="toggleMenu(this)"><i class="fas fa-user-tie"></i> PEP<i class="fas fa-chevron-down arrow"></i></button>
        <ul class="nav-submenu">
          <li><a href="individual_rr.php"     class="nav-link"><i class="fas fa-trophy"></i>   Individual R &amp; R</a></li>
          <li><a href="individual_kpi.php"    class="nav-link"><i class="fas fa-bullseye"></i> Individual KPI</a></li>
          <li><a href="https://pupa.mypeopleconnect.app/" class="nav-link"><i class="fas fa-id-card"></i> PEP Login</a></li>
        </ul>
      </li>
      <li class="nav-item">
        <button class="nav-dropdown-toggle" onclick="toggleMenu(this)"><i class="fas fa-book-open"></i> L&amp;D<i class="fas fa-chevron-down arrow"></i></button>
        <ul class="nav-submenu">
          <li><a href="incident_employee.php"  class="nav-link"><i class="fas fa-exclamation-triangle"></i> Incident Portal</a></li>
          <li><a href="training_dashboard.php" class="nav-link"><i class="fas fa-chalkboard-teacher"></i>   Training Portal</a></li>
          <li><a href="rr.php"                 class="nav-link"><i class="fas fa-award"></i>                Rewards &amp; Recognition</a></li>
        </ul>
      </li>
      <li class="nav-item">
        <button class="nav-dropdown-toggle" onclick="toggleMenu(this)"><i class="fas fa-star"></i> AAA<i class="fas fa-chevron-down arrow"></i></button>
        <ul class="nav-submenu">
          <li><a href="employee_tiy.php"      class="nav-link"><i class="fas fa-user-check"></i> Employee TIY</a></li>
          <li><a href="login_credentials.php" class="nav-link"><i class="fas fa-id-card"></i>    Login Credentials</a></li>
        </ul>
      </li>
    </ul>
  </nav>
  <div class="sidebar-footer">
    <a href="logout.php" class="nav-link" style="color:#f87171;"><i class="fas fa-sign-out-alt"></i> Logout</a>
  </div>
</nav>

<div class="content" id="content">
  <div class="topbar">
    <button class="hamburger-btn" onclick="toggleSidebar()"><i class="fas fa-bars"></i></button>
    <div class="topbar-breadcrumb">
      <span>CAB</span>
      <i class="fas fa-chevron-right" style="font-size:10px;color:var(--border)"></i>
      <span class="current">Grievance Dashboard</span>
    </div>
    <div class="topbar-spacer"></div>
    <div class="topbar-user">
      <div class="topbar-avatar"><?php echo strtoupper(substr($username_session ?: 'A', 0, 1)); ?></div>
      <?php echo h($username_session); ?>
    </div>
  </div>

  <div class="page">
    <div class="page-header">
      <div class="page-title">Grievance Dashboard</div>
      <div class="page-subtitle">Review and respond to employee grievances</div>
    </div>

    <?php if (isset($_SESSION['message'])): ?>
      <div class="alert alert-success"><i class="fas fa-check-circle"></i> <?php echo h($_SESSION['message']); unset($_SESSION['message']); ?></div>
    <?php endif; ?>
    <?php if (isset($_SESSION['error'])): ?>
      <div class="alert alert-danger"><i class="fas fa-exclamation-circle"></i> <?php echo h($_SESSION['error']); unset($_SESSION['error']); ?></div>
    <?php endif; ?>

    <!-- Pending -->
    <div class="card">
      <div class="card-header">
        <i class="fas fa-clock" style="color:#f59e0b;"></i>
        <div class="card-title">Pending Grievances
          <span style="color:var(--muted);font-weight:400;font-size:13px;">(<?php echo $pending_result->num_rows; ?>)</span>
        </div>
      </div>
      <div class="table-wrap">
        <table class="mpc-table">
          <thead>
            <tr><th>User ID</th><th>Title</th><th>Description</th><th>Status</th><th>Submitted</th><th>Action</th></tr>
          </thead>
          <tbody>
            <?php while ($row = $pending_result->fetch_assoc()): ?>
              <tr>
                <td style="font-family:'JetBrains Mono',monospace;font-size:12px;"><?php echo h($row['user_id']); ?></td>
                <td style="font-weight:600;"><?php echo h($row['title']); ?></td>
                <td><?php echo h(substr($row['description'], 0, 80)); ?><?php echo strlen($row['description']) > 80 ? '…' : ''; ?></td>
                <td><span class="badge-status badge-Pending"><?php echo h($row['status']); ?></span></td>
                <td style="font-size:12px;"><?php echo date('M d, Y g:i A', strtotime($row['created_at'])); ?></td>
                <td>
                  <a href="respond_grievance.php?id=<?php echo $row['id']; ?>" class="btn btn-warning">
                    <i class="fas fa-reply"></i> Respond
                  </a>
                </td>
              </tr>
            <?php endwhile; ?>
            <?php if ($pending_result->num_rows === 0): ?>
              <tr><td colspan="6" class="no-data"><i class="fas fa-check-circle" style="font-size:28px;display:block;margin-bottom:8px;color:#10b981;"></i>No pending grievances</td></tr>
            <?php endif; ?>
          </tbody>
        </table>
      </div>
    </div>

    <!-- Responded -->
    <div class="card">
      <div class="card-header">
        <i class="fas fa-check-circle" style="color:#10b981;"></i>
        <div class="card-title">Responded Grievances
          <span style="color:var(--muted);font-weight:400;font-size:13px;">(<?php echo $responded_result->num_rows; ?>)</span>
        </div>
      </div>
      <div class="table-wrap">
        <table class="mpc-table">
          <thead>
            <tr><th>User ID</th><th>Title</th><th>Description</th><th>Status</th><th>Submitted</th><th>HR Reply</th></tr>
          </thead>
          <tbody>
            <?php while ($row = $responded_result->fetch_assoc()): ?>
              <?php $badgeClass = $row['status'] === 'Resolved' ? 'badge-Resolved' : 'badge-in-review'; ?>
              <tr>
                <td style="font-family:'JetBrains Mono',monospace;font-size:12px;"><?php echo h($row['user_id']); ?></td>
                <td style="font-weight:600;"><?php echo h($row['title']); ?></td>
                <td><?php echo h(substr($row['description'], 0, 80)); ?><?php echo strlen($row['description']) > 80 ? '…' : ''; ?></td>
                <td><span class="badge-status <?php echo $badgeClass; ?>"><?php echo h($row['status']); ?></span></td>
                <td style="font-size:12px;"><?php echo date('M d, Y g:i A', strtotime($row['created_at'])); ?></td>
                <td style="font-size:13px;color:var(--ink-2);"><?php echo h($row['hr_reply'] ?? 'No reply yet'); ?></td>
              </tr>
            <?php endwhile; ?>
            <?php if ($responded_result->num_rows === 0): ?>
              <tr><td colspan="6" class="no-data"><i class="fas fa-inbox" style="font-size:28px;display:block;margin-bottom:8px;"></i>No responded grievances</td></tr>
            <?php endif; ?>
          </tbody>
        </table>
      </div>
    </div>

  </div>
</div>
</div>

<script>
function toggleSidebar() {
  document.getElementById('sidebar').classList.toggle('hidden');
  document.getElementById('content').classList.toggle('expanded');
}
function toggleMenu(btn) {
  btn.nextElementSibling.classList.toggle('open');
  btn.classList.toggle('open');
}
</script>
</body>
</html>