{% extends "base.html" %}

{% block title %}Customers (Rolodex) - Delphi Database{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6 space-y-6">
    <!-- Page Header -->
    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
        <div class="flex items-center gap-3">
            <div class="flex items-center justify-center w-10 h-10 bg-primary-100 dark:bg-primary-900/30 text-primary-600 dark:text-primary-400 rounded-xl">
                <i class="fa-solid fa-address-book text-lg"></i>
            </div>
            <h1 class="text-2xl font-bold text-neutral-900 dark:text-neutral-100">Customers (Rolodex)</h1>
        </div>
        <div class="flex items-center gap-3">
            <button id="addCustomerBtn" class="flex items-center gap-2 px-4 py-2 bg-success-600 text-white hover:bg-success-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-circle-plus"></i>
                <span>New Customer</span>
                <kbd class="hidden sm:inline-block ml-2 px-1.5 py-0.5 bg-success-700 rounded text-xs">Ctrl+N</kbd>
            </button>
            <button id="statsBtn" class="flex items-center gap-2 px-4 py-2 bg-info-600 text-white hover:bg-info-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-chart-line"></i>
                <span>Statistics</span>
            </button>
        </div>
    </div>

    <!-- Search and Filter Panel -->
    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-xl shadow-soft">
        <div class="p-6">
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                <div class="lg:col-span-2">
                    <label for="searchInput" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Search Customers</label>
                    <div class="relative">
                        <input type="text" id="searchInput" class="w-full pl-10 pr-4 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200" placeholder="Search by name, ID, city, email...">
                        <div class="absolute inset-y-0 left-0 flex items-center pl-3">
                            <i class="fa-solid fa-magnifying-glass text-neutral-400 dark:text-neutral-500"></i>
                        </div>
                        <button id="searchBtn" class="absolute inset-y-0 right-0 flex items-center pr-3 text-neutral-400 hover:text-primary-600 dark:text-neutral-500 dark:hover:text-primary-400 transition-colors">
                            <i class="fa-solid fa-arrow-right text-lg"></i>
                        </button>
                    </div>
                </div>
                <div>
                    <label for="groupFilter" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Group Filter</label>
                    <select id="groupFilter" class="w-full px-3 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        <option value="">All Groups</option>
                    </select>
                </div>
                <div>
                    <label for="stateFilter" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">State Filter</label>
                    <select id="stateFilter" class="w-full px-3 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        <option value="">All States</option>
                    </select>
                </div>
            </div>
            <div class="mt-4 pt-4 border-t border-neutral-200 dark:border-neutral-700">
                <div class="max-w-md">
                    <label for="phoneSearch" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Phone Search</label>
                    <div class="relative">
                        <input type="text" id="phoneSearch" class="w-full pl-10 pr-4 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200" placeholder="Search by phone number...">
                        <div class="absolute inset-y-0 left-0 flex items-center pl-3">
                            <i class="fa-solid fa-phone text-neutral-400 dark:text-neutral-500"></i>
                        </div>
                        <button id="phoneSearchBtn" class="absolute inset-y-0 right-0 flex items-center pr-3 text-neutral-400 hover:text-primary-600 dark:text-neutral-500 dark:hover:text-primary-400 transition-colors">
                            <i class="fa-solid fa-arrow-right text-lg"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Customer List -->
    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-xl shadow-soft overflow-hidden">
        <div class="overflow-x-auto">
            <table class="w-full text-sm text-left text-neutral-900 dark:text-neutral-100" id="customersTable">
                <thead class="bg-neutral-50 dark:bg-neutral-800/50">
                    <tr class="border-b border-neutral-200 dark:border-neutral-700">
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">ID</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">Name</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">Group</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">Location</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">Phone</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">Email</th>
                        <th class="px-6 py-4 text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider text-right">Actions</th>
                    </tr>
                </thead>
                <tbody id="customersTableBody" class="divide-y divide-neutral-200 dark:divide-neutral-700">
                    <!-- Customer rows will be populated here -->
                </tbody>
            </table>
        </div>
        
        <!-- Empty State -->
        <div id="emptyState" class="hidden flex flex-col items-center justify-center py-12 text-center">
            <div class="w-16 h-16 bg-neutral-100 dark:bg-neutral-800 rounded-full flex items-center justify-center mb-4">
                <i class="fa-solid fa-users text-2xl text-neutral-400 dark:text-neutral-500"></i>
            </div>
            <h3 class="text-lg font-medium text-neutral-900 dark:text-neutral-100 mb-2">No customers found</h3>
            <p class="text-neutral-500 dark:text-neutral-400 mb-4">Get started by adding your first customer.</p>
            <button onclick="showAddCustomerModal()" class="flex items-center gap-2 px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-circle-plus"></i>
                <span>Add Customer</span>
            </button>
        </div>
        
        <!-- Pagination -->
        <div class="px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <nav aria-label="Customer pagination">
                <div id="pagination" class="flex items-center justify-center space-x-1">
                    <!-- Pagination will be populated here -->
                </div>
            </nav>
        </div>
    </div>
</div>

<!-- Customer Modal -->
<div id="customerModal" class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-6xl w-full max-h-screen overflow-hidden">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h2 id="customerModalLabel" class="text-xl font-semibold text-neutral-900 dark:text-neutral-100">Customer Details</h2>
            <button onclick="closeCustomerModal()" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300 transition-colors">
                <i class="fa-solid fa-xmark text-xl"></i>
            </button>
        </div>
        <div class="px-6 py-4 max-h-96 overflow-y-auto scrollbar-thin">
            <form id="customerForm">
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                    <!-- Personal Information -->
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Personal Information</h3>
                        <div>
                            <label for="customerId" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Customer ID <span class="text-danger-600">*</span></label>
                            <input type="text" id="customerId" required class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="last" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Last Name/Company <span class="text-danger-600">*</span></label>
                            <input type="text" id="last" required class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div class="grid grid-cols-2 gap-4">
                            <div>
                                <label for="first" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">First Name</label>
                                <input type="text" id="first" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="middle" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Middle Name</label>
                                <input type="text" id="middle" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                        </div>
                        <div class="grid grid-cols-3 gap-4">
                            <div>
                                <label for="prefix" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Prefix</label>
                                <input type="text" id="prefix" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="suffix" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Suffix</label>
                                <input type="text" id="suffix" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="title" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Title</label>
                                <input type="text" id="title" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                        </div>
                        <div>
                            <label for="group" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Group</label>
                            <input type="text" id="group" list="groupList" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            <datalist id="groupList"></datalist>
                        </div>
                    </div>

                    <!-- Address Information -->
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Address</h3>
                        <div>
                            <label for="a1" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 1 / Firm</label>
                            <input type="text" id="a1" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="a2" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 2</label>
                            <input type="text" id="a2" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="a3" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 3</label>
                            <input type="text" id="a3" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div class="grid grid-cols-3 gap-4">
                            <div class="col-span-2">
                                <label for="city" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">City</label>
                                <input type="text" id="city" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="abrev" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">State</label>
                                <input type="text" id="abrev" list="stateList" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                                <datalist id="stateList"></datalist>
                            </div>
                        </div>
                        <div>
                            <label for="zip" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Zip Code</label>
                            <input type="text" id="zip" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                    </div>
                </div>

                <!-- Contact Information -->
                <div class="mb-6">
                    <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-4">Contact Information</h3>
                    <div>
                        <label for="email" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Email</label>
                        <input type="email" id="email" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                    </div>
                    <div id="phoneList" class="space-y-4 mt-4"></div>
                    <button type="button" id="addPhoneBtn" class="mt-2 flex items-center gap-2 px-3 py-2 bg-success-600 text-white hover:bg-success-700 rounded-lg transition-colors duration-200 text-sm">
                        <i class="fa-solid fa-circle-plus"></i>
                        Add Phone
                    </button>
                </div>

                <!-- Additional Information -->
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Additional Details</h3>
                        <div>
                            <label for="dob" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Date of Birth</label>
                            <input type="date" id="dob" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="ss_number" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Social Security Number</label>
                            <input type="text" id="ss_number" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="legal_status" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Legal Status</label>
                            <input type="text" id="legal_status" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                    </div>
                    <div>
                        <label for="memo" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Notes</label>
                        <textarea id="memo" rows="6" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200"></textarea>
                    </div>
                </div>
            </form>
        </div>
        <div class="flex items-center justify-end gap-3 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <button onclick="closeCustomerModal()" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg transition-colors duration-200">
                Cancel
            </button>
            <button id="deleteCustomerBtn" class="hidden px-4 py-2 bg-danger-600 text-white hover:bg-danger-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-trash"></i>
                <span>Delete</span>
            </button>
            <button id="saveCustomerBtn" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200">
                <i class="fa-regular fa-circle-check"></i>
                <span>Save</span>
            </button>
        </div>
    </div>
</div>

<!-- Statistics Modal -->
<div id="statsModal" class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-2xl w-full">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h2 class="text-xl font-semibold text-neutral-900 dark:text-neutral-100">Customer Database Statistics</h2>
            <button onclick="closeStatsModal()" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300 transition-colors">
                <i class="fa-solid fa-xmark text-xl"></i>
            </button>
        </div>
        <div id="statsContent" class="px-6 py-4">
            <!-- Statistics will be loaded here -->
        </div>
        <div class="flex items-center justify-end gap-3 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <button onclick="closeStatsModal()" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg transition-colors duration-200">
                Close
            </button>
        </div>
    </div>
</div>

<script src="/static/js/customers-tailwind.js"></script>

<script>
// Initialize on page load
document.addEventListener('DOMContentLoaded', function() {
    // Check authentication first
    const token = localStorage.getItem('auth_token');
    if (!token) {
        window.location.href = '/login';
        return;
    }
    
    loadCustomers();
    loadGroups();
    loadStates();
    setupEventListeners();
});

function setupEventListeners() {
    // Search functionality
    document.getElementById('searchBtn').addEventListener('click', performSearch);
    document.getElementById('searchInput').addEventListener('keypress', function(e) {
        if (e.key === 'Enter') performSearch();
    });
    
    // Phone search
    document.getElementById('phoneSearchBtn').addEventListener('click', performPhoneSearch);
    document.getElementById('phoneSearch').addEventListener('keypress', function(e) {
        if (e.key === 'Enter') performPhoneSearch();
    });
    
    // Modal buttons
    document.getElementById('addCustomerBtn').addEventListener('click', showAddCustomerModal);
    document.getElementById('saveCustomerBtn').addEventListener('click', saveCustomer);
    document.getElementById('deleteCustomerBtn').addEventListener('click', deleteCustomer);
    document.getElementById('statsBtn').addEventListener('click', showStats);
    
    // Form validation
    const customerIdInput = document.getElementById('customerId');
    if (customerIdInput) {
        customerIdInput.addEventListener('blur', validateCustomerId);
    }
}

// Modal functions
function closeStatsModal() {
    document.getElementById('statsModal').classList.add('hidden');
}

// Load customers with enhanced formatting
async function loadCustomers(page = 0, search = '') {
    try {
        const params = new URLSearchParams({
            skip: page * 50,
            limit: 50
        });
        
        if (search) params.append('search', search);
        
        const response = await fetch(`/api/customers/?${params}`, {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) throw new Error('Failed to load customers');
        
        const customers = await response.json();
        displayCustomers(customers);
        
    } catch (error) {
        console.error('Error loading customers:', error);
        showAlert('Error loading customers: ' + error.message, 'danger');
    }
}

function performSearch() {
    currentSearch = document.getElementById('searchInput').value;
    currentPage = 0;
    loadCustomers(currentPage, currentSearch);
}

async function performPhoneSearch() {
    const phone = document.getElementById('phoneSearch').value;
    if (!phone) return;
    
    try {
        const response = await fetch(`/api/customers/search/phone?phone=${encodeURIComponent(phone)}`, {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) throw new Error('Phone search failed');
        
        const results = await response.json();
        displayPhoneSearchResults(results);
        
    } catch (error) {
        console.error('Phone search error:', error);
        showAlert('Phone search failed: ' + error.message, 'danger');
    }
}

function displayPhoneSearchResults(results) {
    const tbody = document.getElementById('customersTableBody');
    const emptyState = document.getElementById('emptyState');
    
    tbody.innerHTML = '';
    
    if (!results || results.length === 0) {
        emptyState.classList.remove('hidden');
        return;
    }
    
    emptyState.classList.add('hidden');
    
    results.forEach(result => {
        const row = document.createElement('tr');
        row.className = 'hover:bg-neutral-50 dark:hover:bg-neutral-800/50 transition-colors duration-150';
        row.innerHTML = `
            <td class="px-6 py-4 whitespace-nowrap">
                <div class="text-sm font-medium text-neutral-900 dark:text-neutral-100">${result.customer.id}</div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                <div class="text-sm font-medium text-neutral-900 dark:text-neutral-100">${result.customer.name}</div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                <span class="text-neutral-400 dark:text-neutral-500">-</span>
            </td>
            <td class="px-6 py-4 whitespace-nowrap text-sm text-neutral-900 dark:text-neutral-100">
                ${result.customer.city}, ${result.customer.state}
            </td>
            <td class="px-6 py-4 whitespace-nowrap text-sm text-neutral-900 dark:text-neutral-100">
                <div class="font-semibold text-warning-600 dark:text-warning-400">${result.location}: ${result.phone}</div>
            </td>
            <td class="px-6 py-4 whitespace-nowrap">
                <span class="text-neutral-400 dark:text-neutral-500">-</span>
            </td>
            <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                <button onclick="editCustomer('${result.customer.id}')" class="inline-flex items-center gap-1 px-3 py-1.5 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200 text-xs">
                    <i class="fa-solid fa-pencil"></i>
                    <span>Edit</span>
                </button>
            </td>
        `;
        tbody.appendChild(row);
    });
}

async function loadGroups() {
    try {
        const response = await fetch('/api/customers/groups', {
            headers: getAuthHeaders()
        });
        
        if (response.ok) {
            const groups = await response.json();
            const select = document.getElementById('groupFilter');
            groups.forEach(g => {
                const option = document.createElement('option');
                option.value = g.group;
                option.textContent = g.group;
                select.appendChild(option);
            });
        }
    } catch (error) {
        console.error('Error loading groups:', error);
    }
}

async function loadStates() {
    try {
        const response = await fetch('/api/customers/states', {
            headers: getAuthHeaders()
        });
        
        if (response.ok) {
            const states = await response.json();
            const select = document.getElementById('stateFilter');
            states.forEach(s => {
                const option = document.createElement('option');
                option.value = s.state;
                option.textContent = s.state;
                select.appendChild(option);
            });
        }
    } catch (error) {
        console.error('Error loading states:', error);
    }
}

async function showStats() {
    try {
        const response = await fetch('/api/customers/stats', {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) throw new Error('Failed to load statistics');
        
        const stats = await response.json();
        displayStats(stats);
        
    } catch (error) {
        console.error('Error loading stats:', error);
        showAlert('Error loading statistics: ' + error.message, 'danger');
    }
}

function displayStats(stats) {
    const content = document.getElementById('statsContent');
    content.innerHTML = `
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-3">Database Overview</h3>
                <div class="space-y-2">
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">Total Customers:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.total_customers}</span>
                    </div>
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">Phone Numbers:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.total_phone_numbers}</span>
                    </div>
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">With Email:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.customers_with_email}</span>
                    </div>
                </div>
            </div>
            <div>
                <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-3">Group Breakdown</h3>
                <div class="space-y-2">
                    ${stats.group_breakdown.map(g => `
                        <div class="flex justify-between">
                            <span class="text-neutral-600 dark:text-neutral-400">${g.group}:</span>
                            <span class="font-semibold text-neutral-900 dark:text-neutral-100">${g.count}</span>
                        </div>
                    `).join('')}
                </div>
            </div>
        </div>
    `;
    
    document.getElementById('statsModal').classList.remove('hidden');
}

// Placeholder functions for now
function editCustomer(customerId) {
    showAlert('Edit customer feature coming soon...', 'info');
}

function viewCustomer(customerId) {
    showAlert('View customer feature coming soon...', 'info');
}

function saveCustomer() {
    showAlert('Save customer feature coming soon...', 'info');
}

function deleteCustomer() {
    showAlert('Delete customer feature coming soon...', 'info');
}

function validateCustomerId() {
    // Placeholder
}
</script>
{% endblock %}