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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Admin Dashboard - Attendr</title>
    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
    <link

        href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@700;800&display=swap"

        rel="stylesheet">
    <style>

        .admin-grid {

            display: grid;

            grid-template-columns: 1fr;

            gap: 2rem;

        }



        .user-card {

            display: flex;

            justify-content: space-between;

            align-items: center;

            padding: 1.5rem;

            margin-bottom: 1rem;

            transition: transform 0.2s;

        }



        .user-card:hover {

            transform: translateY(-2px);

        }



        .user-info h3 {

            margin: 0;

            font-size: 1.25rem;

        }



        .user-meta {

            font-size: 0.875rem;

            color: var(--color-text-muted);

            margin-top: 0.25rem;

        }



        .action-btns {

            display: flex;

            gap: 0.5rem;

        }



        .tab-container {

            display: flex;

            gap: 1rem;

            margin-bottom: 1.5rem;

            border-bottom: 1px solid var(--color-border);

            padding-bottom: 0.5rem;

        }



        .tab {

            padding: 0.5rem 1rem;

            cursor: pointer;

            border-radius: 8px;

            font-weight: 500;

        }



        .tab.active {

            background: var(--color-primary);

            color: white;

        }



        .badge {

            padding: 0.25rem 0.6rem;

            border-radius: 999px;

            font-size: 0.75rem;

            font-weight: 600;

            text-transform: uppercase;

        }



        .badge-student { background: #e0f2fe; color: #0369a1; }

        .badge-lecturer { background: #fef3c7; color: #92400e; }

        .badge-pending { background: #f3f4f6; color: #374151; }

        .badge-approved { background: #dcfce7; color: #166534; }

        .badge-rejected { background: #fee2e2; color: #991b1b; }

    </style>
</head>

<body>
    {% include '_navbar.html' %}

    <main class="container section">
        <div class="header-section mb-3">
            <h1>Admin Dashboard</h1>
            <p class="text-muted">Manage user registration applications and verify information.</p>
        </div>

        <div class="tab-container">
            <div class="tab active" onclick="loadUsers('pending', this)">Pending</div>
            <div class="tab" onclick="loadUsers('approved', this)">Approved</div>
            <div class="tab" onclick="loadUsers('rejected', this)">Rejected</div>
            <div class="tab" onclick="loadUsers('all', this)">All Users</div>
        </div>

        <div id="usersList" class="admin-grid">
            <!-- Users will be loaded here -->
            <div class="text-center py-5">
                <div class="spinner"></div>
                <p class="mt-2">Loading applications...</p>
            </div>
        </div>
    </main>

    <!-- Loading Overlay -->
    <div id="loadingOverlay" class="loading-overlay hidden">
        <div class="text-center">
            <div class="spinner"></div>
            <p class="mt-2" id="loadingText">Processing...</p>
        </div>
    </div>

    <script>

        let currentStatus = 'pending';



        document.addEventListener('DOMContentLoaded', () => {

            loadUsers('pending');

        });



        async function loadUsers(status, el) {

            if (el) {

                document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));

                el.classList.add('active');

            }



            currentStatus = status;

            const listDiv = document.getElementById('usersList');

            listDiv.innerHTML = '<div class="text-center py-5"><div class="spinner"></div><p class="mt-2">Loading...</p></div>';



            try {

                const response = await fetch(`/api/admin/users?status=${status}`);

                const data = await response.json();



                if (data.success) {

                    renderUsers(data.data);

                } else {

                    listDiv.innerHTML = `<div class="alert alert-error">${data.error}</div>`;

                }

            } catch (error) {

                listDiv.innerHTML = '<div class="alert alert-error">Failed to load users.</div>';

            }

        }



        function renderUsers(users) {

            const listDiv = document.getElementById('usersList');

            

            if (users.length === 0) {

                listDiv.innerHTML = `<div class="glass-card text-center py-5"><p class="text-muted">No ${currentStatus} applications found.</p></div>`;

                return;

            }



            listDiv.innerHTML = users.map(user => `

                <div class="glass-card user-card">

                    <div class="user-info">

                        <div style="display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.25rem;">

                            <h3>${user.name}</h3>

                            <span class="badge badge-${user.role}">${user.role}</span>

                            <span class="badge badge-${user.status}">${user.status}</span>

                        </div>

                        <div class="user-meta">

                            <strong>Matric/ID:</strong> ${user.matric_no} | 

                            <strong>Email:</strong> ${user.email || 'N/A'}<br>

                            <strong>Applied on:</strong> ${new Date(user.created_at).toLocaleDateString()} ${new Date(user.created_at).toLocaleTimeString()}

                        </div>

                    </div>

                    <div class="action-btns">

                        ${user.status === 'pending' || user.status === 'rejected' ? `

                            <button class="btn btn-primary btn-sm" onclick="handleAction(${user.id}, 'approve')">✅ Approve</button>

                        ` : ''}

                        ${user.status === 'pending' || user.status === 'approved' ? `

                            <button class="btn btn-error btn-sm" style="background: #ef4444; color: white;" onclick="handleAction(${user.id}, 'reject')">❌ Reject</button>

                        ` : ''}

                    </div>

                </div>

            `).join('');

        }



        async function handleAction(userId, action) {

            if (!confirm(`Are you sure you want to ${action} this user?`)) return;



            showLoading(`${action === 'approve' ? 'Approving' : 'Rejecting'} user...`);



            try {

                const response = await fetch(`/api/admin/users/${userId}/${action}`, {

                    method: 'POST',

                    headers: { 'Content-Type': 'application/json' }

                });



                const data = await response.json();

                hideLoading();



                if (data.success) {

                    alert(data.message);

                    loadUsers(currentStatus);

                } else {

                    alert(data.error);

                }

            } catch (error) {

                hideLoading();

                alert('Operation failed.');

            }

        }



        function showLoading(text) {

            document.getElementById('loadingText').textContent = text;

            document.getElementById('loadingOverlay').classList.remove('hidden');

        }



        function hideLoading() {

            document.getElementById('loadingOverlay').classList.add('hidden');

        }

    </script>
</body>

</html>