@extends('layouts.admin')

@section('title', 'Sidebar Management')
 
@section('content')
<div class="container-fluid py-4">
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <h4 class="mb-0">Sidebar Management</h4>
                    <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#sidebarModal">
                        <i class="fas fa-plus"></i> Add New Item
                    </button>
                </div>
                <div class="card-body">
                    <!-- Filters -->
                    <div class="row mb-3">
                        <div class="col-md-3">
                            <select class="form-select" id="filterPlan">
                                <option value="">All Plans</option>
                                <option value="pro">Pro Plan</option>
                                <option value="premium">Premium Plan</option>
                                <option value="plus">Plus Plan</option>
                            </select>
                        </div>
                        <div class="col-md-3">
                            <select class="form-select" id="filterStatus">
                                <option value="">All Status</option>
                                <option value="active">Active</option>
                                <option value="inactive">Inactive</option>
                            </select>
                        </div>
                        <div class="col-md-6">
                            <div class="input-group">
                                <input type="text" class="form-control" id="searchInput" placeholder="Search sidebar items...">
                                <button class="btn btn-outline-secondary" type="button" onclick="loadSidebarItems()">
                                    <i class="fas fa-search"></i>
                                </button>
                            </div>
                        </div>
                    </div>

                    <!-- Sidebar Items Table -->
                    <div class="table-responsive">
                        <table class="table table-hover" id="sidebarTable">
                            <thead class="table-striped">
                                <tr>
                                    <th width="50">
                                        <i class="fas fa-arrows-alt-v" title="Drag to reorder"></i>
                                    </th>
                                    <th>Title</th>
                                    <th>Icon</th>
                                    <th>Route</th>
                                    <th>Required Permissions</th>
                                    <th>Plan Restrictions</th>
                                    <th>Status</th>
                                    <th width="150">Actions</th>
                                </tr>
                            </thead>
                            <tbody id="sidebarTableBody">
                                <!-- Content will be loaded via AJAX -->
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Sidebar Item Modal -->
<div class="modal fade" id="sidebarModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modalTitle">Add Sidebar Item</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form id="sidebarForm">
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="title" class="form-label">Title <span class="text-danger">*</span></label>
                                <input type="text" class="form-control" id="title" name="title" required>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="icon" class="form-label">Icon (Font Awesome class)</label>
                                <div class="input-group">
                                    <span class="input-group-text"><i class="fas fa-icons"></i></span>
                                    <input type="text" class="form-control" id="icon" name="icon" placeholder="fas fa-home">
                                </div>
                                <small class="text-muted">Example: fas fa-home, fas fa-users</small>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="route" class="form-label">Route</label>
                                <input type="text" class="form-control" id="route" name="route" placeholder="dashboard">
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="url" class="form-label">URL (if external)</label>
                                <input type="url" class="form-control" id="url" name="url" placeholder="https://example.com">
                            </div>
                        </div>
                    </div>

                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="parent_id" class="form-label">Parent Item</label>
                                <select class="form-select" id="parent_id" name="parent_id">
                                    <option value="">No Parent (Top Level)</option>
                                </select>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="order" class="form-label">Order</label>
                                <input type="number" class="form-control" id="order" name="order" value="0" min="0">
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="required_permissions" class="form-label">Required Permissions</label>
                        <select class="form-select" id="required_permissions" name="required_permissions[]" multiple>
                            <option value="view_dashboard">View Dashboard</option>
                            <option value="view_patients">View Patients</option>
                            <option value="create_patients">Create Patients</option>
                            <option value="update_patients">Update Patients</option>
                            <option value="delete_patients">Delete Patients</option>
                            <option value="view_appointments">View Appointments</option>
                            <option value="create_appointments">Create Appointments</option>
                            <option value="update_appointments">Update Appointments</option>
                            <option value="delete_appointments">Delete Appointments</option>
                            <option value="manage_staff">Manage Staff</option>
                            <option value="manage_inventory">Manage Inventory</option>
                            <option value="manage_laboratory">Manage Laboratory</option>
                            <option value="manage_billing">Manage Billing</option>
                            <option value="view_reports">View Reports</option>
                            <option value="manage_settings">Manage Settings</option>
                        </select>
                        <small class="text-muted">Hold Ctrl/Cmd to select multiple permissions</small>
                    </div>

                    <div class="mb-3">
                        <label for="required_features" class="form-label">Required Plan Features</label>
                        <select class="form-select" id="required_features" name="required_features[]" multiple>
                            <option value="patient_management">Patient Management</option>
                            <option value="appointment_scheduling">Appointment Scheduling</option>
                            <option value="basic_reports">Basic Reports</option>
                            <option value="advanced_reports">Advanced Reports</option>
                            <option value="inventory_management">Inventory Management</option>
                            <option value="staff_management">Staff Management</option>
                            <option value="laboratory_management">Laboratory Management</option>
                            <option value="billing_management">Billing Management</option>
                            <option value="api_access">API Access</option>
                        </select>
                    </div>

                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="excluded_plans" class="form-label">Exclude from Plans</label>
                                <select class="form-select" id="excluded_plans" name="excluded_plans[]" multiple>
                                    <option value="pro">Pro Plan</option>
                                    <option value="premium">Premium Plan</option>
                                    <option value="plus">Plus Plan</option>
                                </select>
                                <small class="text-muted">Hide this item from selected plans</small>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="only_plans" class="form-label">Only for Plans</label>
                                <select class="form-select" id="only_plans" name="only_plans[]" multiple>
                                    <option value="pro">Pro Plan</option>
                                    <option value="premium">Premium Plan</option>
                                    <option value="plus">Plus Plan</option>
                                </select>
                                <small class="text-muted">Show this item only for selected plans</small>
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <div class="form-check">
                            <input class="form-check-input" type="checkbox" id="is_active" name="is_active" checked>
                            <label class="form-check-label" for="is_active">
                                Active
                            </label>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Save</button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Preview Modal -->
<div class="modal fade" id="previewModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Sidebar Preview</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div class="row">
                    <div class="col-md-4" id="previewPro">
                        <h6>Pro Plan</h6>
                        <div class="sidebar-preview border p-3 rounded" style="background: #f8f9fa;"></div>
                    </div>
                    <div class="col-md-4" id="previewPremium">
                        <h6>Premium Plan</h6>
                        <div class="sidebar-preview border p-3 rounded" style="background: #f8f9fa;"></div>
                    </div>
                    <div class="col-md-4" id="previewPlus">
                        <h6>Plus Plan</h6>
                        <div class="sidebar-preview border p-3 rounded" style="background: #f8f9fa;"></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('styles')
<style>
.sortable {
    list-style: none;
    padding: 0;
}

.sortable li {
    margin: 5px 0;
    padding: 10px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    cursor: move;
}

.sortable li:hover {
    background: #e9ecef;
}

.ui-sortable-helper {
    background: #007bff !important;
    color: white;
}

.nested-item {
    margin-left: 30px;
    border-left: 3px solid #007bff;
}

.plan-badge {
    font-size: 0.75rem;
    margin-right: 2px;
}

.sidebar-preview ul {
    list-style: none;
    padding-left: 0;
}

.sidebar-preview ul li {
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.sidebar-preview ul li.has-children {
    font-weight: bold;
}

.sidebar-preview ul ul {
    padding-left: 20px;
}

.sidebar-preview ul ul li {
    font-size: 12px;
    font-weight: normal;
    color: #666;
}
</style>
@endpush

@push('scripts')
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.13.2/jquery-ui.min.js"></script>

<script>
let editingId = null;

$(document).ready(function() {
    loadSidebarItems();
    loadParentOptions();
    
    // Initialize sortable
    $("#sidebarTableBody").sortable({
        handle: ".drag-handle",
        update: function(event, ui) {
            updateOrder();
        }
    });

    // Form submission
    $('#sidebarForm').on('submit', function(e) {
        e.preventDefault();
        saveSidebarItem();
    });

    // Search functionality
    $('#searchInput').on('keyup', function() {
        filterTable();
    });

    $('#filterPlan, #filterStatus').on('change', function() {
        filterTable();
    });
});

function loadSidebarItems() {
    console.log('Loading sidebar items...');
    $.get('/admin/get_sidebar_items', function(response) {
        renderSidebarTable(response);
    }).fail(function() {
        showAlert('Error loading sidebar items', 'danger');
    });
}

function renderSidebarTable(items) {
    const tbody = $('#sidebarTableBody');
    tbody.empty();

    // Sort items by order
    const sortedItems = items.sort((a, b) => a.order - b.order);
    
    sortedItems.forEach(item => {
        renderSidebarItem(item, tbody);
    });
}

function renderSidebarItem(item, container, level = 0) {
    const permissions = item.required_permissions ? item.required_permissions.join(', ') : 'None';
    const planRestrictions = getPlanRestrictions(item);
    const statusBadge = item.is_active 
        ? '<span class="badge bg-info">Active</span>'
        : '<span class="badge bg-info">Inactive</span>';
     
    const indent = level > 0 ? 'style="padding-left: ' + (level * 30) + 'px;background:#f7f7f7"' : '';
    const nestClass = level > 0 ? 'nested-item' : '';
    
    const row = $(`
        <tr data-id="${item.id}" class="${nestClass}" ${indent}>
            <td>
                <i class="fas fa-grip-vertical drag-handle text-muted" style="cursor: move;"></i>
            </td>
            <td>
                ${item.icon ? '<i class="' + item.icon + ' me-2"></i>' : ''}
                ${item.title}
            </td>
            <td>${item.icon || ''}</td>
            <td>${item.route || item.url || ''}</td>
            <td><small>${permissions}</small></td>
            <td><small>${planRestrictions}</small></td>
            <td>${statusBadge}</td>
            <td>
                <button class="btn btn-sm btn-outline-primary me-1" onclick="editItem(${item.id})">
                    <i class="fas fa-edit"></i>
                </button>
                <button class="btn btn-sm btn-outline-danger" onclick="deleteItem(${item.id})">
                    <i class="fas fa-trash"></i>
                </button>
            </td>
        </tr>
    `);
    
    container.append(row);
    
    // Add children
    if (item.children && item.children.length > 0) {
        item.children.forEach(child => {
            renderSidebarItem(child, container, level + 1);
        });
    }
}

function getPlanRestrictions(item) {
    let restrictions = [];
    
    if (item.excluded_plans && item.excluded_plans.length > 0) {
        restrictions.push('Excluded: ' + item.excluded_plans.join(', '));
    }
    
    if (item.only_plans && item.only_plans.length > 0) {
        restrictions.push('Only: ' + item.only_plans.join(', '));
    }
    
    return restrictions.length > 0 ? restrictions.join('<br>') : 'All Plans';
}

function loadParentOptions() {
    $.get('/admin/sidebar-items', function(response) {
        const select = $('#parent_id');
        select.find('option:not(:first)').remove();
        
        response.data.forEach(item => {
            if (!item.parent_id) { // Only top-level items can be parents
                select.append(`<option value="${item.id}">${item.title}</option>`);
            }
        });
    });
}

function editItem(id) {
    $.get(`/api/admin/sidebar-items/${id}`, function(response) {
        const item = response.data;
        editingId = id;
        
        $('#modalTitle').text('Edit Sidebar Item');
        $('#title').val(item.title);
        $('#icon').val(item.icon);
        $('#route').val(item.route);
        $('#url').val(item.url);
        $('#parent_id').val(item.parent_id);
        $('#order').val(item.order);
        $('#is_active').prop('checked', item.is_active);
        
        // Set multi-select values
        $('#required_permissions').val(item.required_permissions || []);
        $('#required_features').val(item.required_features || []);
        $('#excluded_plans').val(item.excluded_plans || []);
        $('#only_plans').val(item.only_plans || []);
        
        $('#sidebarModal').modal('show');
    }).fail(function() {
        showAlert('Error loading item details', 'danger');
    });
}

function saveSidebarItem() {
    const formData = new FormData($('#sidebarForm')[0]);
    const data = {};
    
    // Convert FormData to object
    for (let [key, value] of formData.entries()) {
        if (data[key]) {
            if (Array.isArray(data[key])) {
                data[key].push(value);
            } else {
                data[key] = [data[key], value];
            }
        } else {
            data[key] = value;
        }
    }
    
    // Handle checkboxes
    data.is_active = $('#is_active').is(':checked');
    
    const url = editingId ? `/api/admin/sidebar-items/${editingId}` : '/api/admin/sidebar-items';
    const method = editingId ? 'PUT' : 'POST';
    
    $.ajax({
        url: url,
        method: method,
        data: JSON.stringify(data),
        contentType: 'application/json',
        success: function(response) {
            showAlert(response.message, 'success');
            $('#sidebarModal').modal('hide');
            loadSidebarItems();
            resetForm();
        },
        error: function(xhr) {
            const errors = xhr.responseJSON?.errors || {};
            let errorMessage = 'Validation errors:\n';
            for (let field in errors) {
                errorMessage += errors[field].join(', ') + '\n';
            }
            showAlert(errorMessage, 'danger');
        }
    });
}

function deleteItem(id) {
    if (confirm('Are you sure you want to delete this sidebar item?')) {
        $.ajax({
            url: `/api/admin/sidebar-items/${id}`,
            method: 'DELETE',
            success: function(response) {
                showAlert(response.message, 'success');
                loadSidebarItems();
            },
            error: function() {
                showAlert('Error deleting item', 'danger');
            }
        });
    }
}

function resetForm() {
    editingId = null;
    $('#sidebarForm')[0].reset();
    $('#modalTitle').text('Add Sidebar Item');
    $('#required_permissions').val([]);
    $('#required_features').val([]);
    $('#excluded_plans').val([]);
    $('#only_plans').val([]);
}

function updateOrder() {
    const items = [];
    $('#sidebarTableBody tr').each(function(index) {
        const id = $(this).data('id');
        if (id) {
            items.push({ id: id, order: index });
        }
    });
    
    $.ajax({
        url: '/api/admin/sidebar-items/reorder',
        method: 'POST',
        data: JSON.stringify({ items: items }),
        contentType: 'application/json',
        success: function(response) {
            showAlert('Order updated successfully', 'success');
        },
        error: function() {
            showAlert('Error updating order', 'danger');
        }
    });
}

function filterTable() {
    const search = $('#searchInput').val().toLowerCase();
    const planFilter = $('#filterPlan').val();
    const statusFilter = $('#filterStatus').val();
    
    $('#sidebarTableBody tr').each(function() {
        const row = $(this);
        const title = row.find('td:eq(1)').text().toLowerCase();
        const planText = row.find('td:eq(5)').text();
        const isActive = row.find('.badge').hasClass('bg-success');
        
        let showRow = true;
        
        // Search filter
        if (search && !title.includes(search)) {
            showRow = false;
        }
        
        // Plan filter
        if (planFilter && !planText.includes(planFilter)) {
            showRow = false;
        }
        
        // Status filter
        if (statusFilter === 'active' && !isActive) {
            showRow = false;
        } else if (statusFilter === 'inactive' && isActive) {
            showRow = false;
        }
        
        row.toggle(showRow);
    });
}

function showAlert(message, type) {
    const alertHtml = `
        <div class="alert alert-${type} alert-dismissible fade show" role="alert">
            ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    `;
    
    $('body').prepend(alertHtml);
    
    setTimeout(function() {
        $('.alert').alert('close');
    }, 5000);
}

// Preview functionality
function showPreview() {
    // This would call the preview endpoint for each plan
    ['pro', 'premium', 'plus'].forEach(plan => {
        $.get(`/api/admin/sidebar-items/preview/${plan}`, function(response) {
            renderPreview(response.data, plan);
        });
    });
    
    $('#previewModal').modal('show');
}

function renderPreview(items, plan) {
    const container = $(`#preview${plan.charAt(0).toUpperCase() + plan.slice(1)} .sidebar-preview`);
    container.empty();
    
    const ul = $('<ul></ul>');
    items.forEach(item => {
        const li = $(`<li class="${item.children ? 'has-children' : ''}">
            ${item.icon ? '<i class="' + item.icon + ' me-2"></i>' : ''}
            ${item.title}
        </li>`);
        
        if (item.children && item.children.length > 0) {
            const childUl = $('<ul></ul>');
            item.children.forEach(child => {
                childUl.append(`<li>
                    ${child.icon ? '<i class="' + child.icon + ' me-2"></i>' : ''}
                    ${child.title}
                </li>`);
            });
            li.append(childUl);
        }
        
        ul.append(li);
    });
    
    container.append(ul);
}
</script>
@endpush