{% extends "layout.html" %}

{% block title %}Quản lý tài khoản - Admin Portal{% endblock %}

{% block styles %}
<style>
    .admin-card {
        border-radius: var(--radius-xl);
        border: 1px solid var(--color-border);
        background: #ffffff;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    }
    .role-badge {
        font-weight: 700;
        padding: 4px 10px;
        border-radius: 6px;
        font-size: 0.72rem;
        text-transform: uppercase;
        display: inline-block;
    }
    .role-admin {
        background-color: #dbeafe;
        color: #1d4ed8;
        border: 1px solid #bfdbfe;
    }
    .role-user {
        background-color: #f1f5f9;
        color: #475569;
        border: 1px solid #e2e8f0;
    }
    .table-actions {
        display: flex;
        gap: 8px;
        justify-content: flex-end;
    }
    .btn-action-edit {
        color: var(--color-primary);
        background: rgba(59, 130, 246, 0.1);
        border: none;
        padding: 6px 12px;
        border-radius: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        transition: all 0.15s;
    }
    .btn-action-edit:hover {
        background: var(--color-primary);
        color: #ffffff;
    }
    .btn-action-delete {
        color: #ef4444;
        background: rgba(239, 68, 68, 0.1);
        border: none;
        padding: 6px 12px;
        border-radius: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        transition: all 0.15s;
    }
    .btn-action-delete:hover {
        background: #ef4444;
        color: #ffffff;
    }
</style>
{% endblock %}

{% block content %}
<div class="d-flex align-items-center justify-content-between mb-4">
    <div>
        <h3 class="fw-bold mb-1"><i class="fas fa-users-cog text-primary me-2"></i>Quản lý tài khoản</h3>
        <p class="text-muted mb-0 small">Khu vực quản trị cấp tài khoản và cấu hình quyền hạn cho hệ thống.</p>
    </div>
    <button class="btn-primary-custom px-4" data-bs-toggle="modal" data-bs-target="#createModal">
        <i class="fas fa-plus me-2"></i>Thêm tài khoản
    </button>
</div>

<div class="card admin-card">
    <div class="card-body p-4">
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead>
                    <tr class="text-muted small uppercase" style="letter-spacing: 0.05em;">
                        <th style="width: 80px;">ID</th>
                        <th>Email/Tài khoản</th>
                        <th>Vai trò</th>
                        <th>Ngày tạo</th>
                        <th class="text-end" style="width: 180px;">Hành động</th>
                    </tr>
                </thead>
                <tbody>
                    {% for user in users %}
                    <tr>
                        <td class="font-monospace text-muted">{{ user.id }}</td>
                        <td>
                            <div class="fw-bold text-dark">{{ user.email }}</div>
                        </td>
                        <td>
                            {% if user.role == 'admin' %}
                            <span class="role-badge role-admin"><i class="fas fa-shield-alt me-1"></i>Admin</span>
                            {% else %}
                            <span class="role-badge role-user"><i class="fas fa-user me-1"></i>User</span>
                            {% endif %}
                        </td>
                        <td class="text-muted small">
                            {{ user.created_at[:16]|replace('T', ' ') if user.created_at else 'N/A' }}
                        </td>
                        <td>
                            <div class="table-actions">
                                <button class="btn-action-edit" 
                                        onclick="openEditModal('{{ user.id }}', '{{ user.email }}', '{{ user.role }}', '{{ user.permissions|tojson|forceescape }}')">
                                    <i class="fas fa-edit me-1"></i>Sửa
                                </button>
                                {% if session.get('user_id') != user.id %}
                                <form action="/admin/users/delete/{{ user.id }}" method="POST" onsubmit="return confirm('Bạn có chắc chắn muốn xóa tài khoản này?')" style="display:inline;">
                                    <button type="submit" class="btn-action-delete">
                                        <i class="fas fa-trash-alt me-1"></i>Xóa
                                    </button>
                                </form>
                                {% endif %}
                            </div>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    </div>
</div>

<!-- ==============================================
     MODAL: CREATE USER
     ============================================== -->
<div class="modal fade" id="createModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-lg">
        <div class="modal-content border-0 shadow">
            <form action="/admin/users/create" method="POST">
                <div class="modal-header border-bottom-0 p-4">
                    <h5 class="modal-title fw-bold"><i class="fas fa-user-plus text-primary me-2"></i>Thêm tài khoản mới</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body p-4 pt-0">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label class="form-label fw-bold small text-muted">Tài khoản đăng nhập <span class="text-danger">*</span></label>
                            <input type="text" name="email" class="form-control" placeholder="Tên tài khoản (hoặc email)" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label fw-bold small text-muted">Mật khẩu <span class="text-danger">*</span></label>
                            <input type="password" name="password" class="form-control" required>
                        </div>
                    </div>
                    <div class="mb-4">
                        <label class="form-label fw-bold small text-muted">Quyền hạn</label>
                        <select id="createRole" name="role" class="form-select">
                            <option value="user" selected>Người dùng (User)</option>
                            <option value="admin">Quản trị viên (Admin)</option>
                        </select>
                    </div>
                    
                    <div class="permission-section mb-3">
                        <label class="form-label fw-bold small text-muted">Cấp quyền sử dụng công cụ</label>
                        <div class="row g-3">
                            {% for group in available_tools|groupby('group') %}
                            <div class="col-md-6">
                                <div class="card p-3 border-0 bg-light" style="border-radius: 12px;">
                                    <div class="fw-bold small text-primary mb-2"><i class="fas fa-folder me-1"></i>{{ group.grouper }}</div>
                                    {% for tool in group.list %}
                                    <div class="form-check mb-2">
                                        <input class="form-check-input" type="checkbox" name="tools" value="{{ tool.path }}" id="chk-create-{{ tool.path|replace('/', '') }}">
                                        <label class="form-check-label small" for="chk-create-{{ tool.path|replace('/', '') }}">
                                            {{ tool.name }}
                                        </label>
                                    </div>
                                    {% endfor %}
                                </div>
                            </div>
                            {% endfor %}
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-top-0 p-4 pt-0">
                    <button type="button" class="btn btn-light rounded-pill px-4" data-bs-dismiss="modal">Hủy</button>
                    <button type="submit" class="btn btn-primary rounded-pill px-4">Tạo tài khoản</button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- ==============================================
     MODAL: EDIT USER
     ============================================== -->
<div class="modal fade" id="editModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-lg">
        <div class="modal-content border-0 shadow">
            <form id="editForm" method="POST">
                <div class="modal-header border-bottom-0 p-4">
                    <h5 class="modal-title fw-bold"><i class="fas fa-user-edit text-primary me-2"></i>Cập nhật tài khoản</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body p-4 pt-0">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label class="form-label fw-bold small text-muted">Tài khoản đăng nhập <span class="text-danger">*</span></label>
                            <input type="text" id="editEmail" name="email" class="form-control" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label fw-bold small text-muted">Đặt lại mật khẩu (Để trống nếu giữ nguyên)</label>
                            <input type="password" name="password" class="form-control" placeholder="••••••••">
                        </div>
                    </div>
                    <div class="mb-4">
                        <label class="form-label fw-bold small text-muted">Quyền hạn</label>
                        <select id="editRole" name="role" class="form-select">
                            <option value="user">Người dùng (User)</option>
                            <option value="admin">Quản trị viên (Admin)</option>
                        </select>
                    </div>

                    <div class="permission-section mb-3">
                        <label class="form-label fw-bold small text-muted">Cấp quyền sử dụng công cụ</label>
                        <div class="row g-3">
                            {% for group in available_tools|groupby('group') %}
                            <div class="col-md-6">
                                <div class="card p-3 border-0 bg-light" style="border-radius: 12px;">
                                    <div class="fw-bold small text-primary mb-2"><i class="fas fa-folder me-1"></i>{{ group.grouper }}</div>
                                    {% for tool in group.list %}
                                    <div class="form-check mb-2">
                                        <input class="form-check-input" type="checkbox" name="tools" value="{{ tool.path }}" id="chk-edit-{{ tool.path|replace('/', '') }}">
                                        <label class="form-check-label small" for="chk-edit-{{ tool.path|replace('/', '') }}">
                                            {{ tool.name }}
                                        </label>
                                    </div>
                                    {% endfor %}
                                </div>
                            </div>
                            {% endfor %}
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-top-0 p-4 pt-0">
                    <button type="button" class="btn btn-light rounded-pill px-4" data-bs-dismiss="modal">Hủy</button>
                    <button type="submit" class="btn btn-primary rounded-pill px-4">Lưu cập nhật</button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
    function togglePermissionSection(modalId, roleSelectId, sectionClass) {
        const roleSelect = document.getElementById(roleSelectId);
        const section = document.querySelector(`#${modalId} .${sectionClass}`);
        if (!roleSelect || !section) return;

        const updateVisibility = () => {
            if (roleSelect.value === 'admin') {
                section.style.display = 'none';
            } else {
                section.style.display = 'block';
            }
        };

        roleSelect.addEventListener('change', updateVisibility);
        updateVisibility(); // run initial
    }

    document.addEventListener('DOMContentLoaded', () => {
        togglePermissionSection('createModal', 'createRole', 'permission-section');
        togglePermissionSection('editModal', 'editRole', 'permission-section');
    });

    function openEditModal(id, email, role, permissionsJson) {
        document.getElementById('editForm').action = `/admin/users/update/${id}`;
        document.getElementById('editEmail').value = email;
        
        const roleSelect = document.getElementById('editRole');
        roleSelect.value = role;
        roleSelect.dispatchEvent(new Event('change'));

        // Parse and check selected permissions
        const permissions = JSON.parse(permissionsJson || '[]');
        document.querySelectorAll('#editModal input[type="checkbox"]').forEach(cb => cb.checked = false);
        permissions.forEach(p => {
            const cb = document.querySelector(`#editModal input[value="${p}"]`);
            if (cb) cb.checked = true;
        });
        
        // Show modal using Bootstrap API
        const modal = new bootstrap.Modal(document.getElementById('editModal'));
        modal.show();
    }
</script>
{% endblock %}