{% extends "shared/frontend/base.html" %}

{% block title %}Kunde Detaljer - BMC Hub{% endblock %}

{% block extra_css %}
<style>
    .customer-header {
        background: var(--accent);
        color: white;
        padding: 3rem 2rem;
        border-radius: 12px;
        margin-bottom: 2rem;
    }
    
    .customer-avatar-large {
        width: 80px;
        height: 80px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.2);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 2rem;
        border: 3px solid rgba(255, 255, 255, 0.3);
    }
    
    .nav-pills-vertical {
        border-right: 1px solid rgba(0, 0, 0, 0.1);
        padding-right: 0;
    }
    
    .nav-pills-vertical .nav-link {
        color: var(--text-secondary);
        border-radius: 8px 0 0 8px;
        padding: 1rem 1.5rem;
        font-weight: 500;
        margin-bottom: 0.5rem;
        transition: all 0.2s;
        text-align: left;
    }
    
    .nav-pills-vertical .nav-link:hover {
        background: var(--accent-light);
        color: var(--accent);
    }
    
    .nav-pills-vertical .nav-link.active {
        background: var(--accent);
        color: white;
    }
    
    .nav-pills-vertical .nav-link i {
        width: 20px;
        margin-right: 0.75rem;
    }
    
    .info-card {
        background: var(--bg-card);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 12px;
        padding: 1.5rem;
    }
    
    .info-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .info-row:last-child {
        border-bottom: none;
    }
    
    .info-label {
        font-weight: 500;
        color: var(--text-secondary);
    }
    
    .info-value {
        color: var(--text-primary);
        font-weight: 500;
    }
    
    .contact-card {
        background: var(--bg-card);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 12px;
        padding: 1.5rem;
        transition: all 0.2s;
    }
    
    .contact-card:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-2px);
    }
    
    .activity-item {
        padding: 1.5rem;
        border-left: 3px solid var(--accent-light);
        margin-left: 1rem;
        position: relative;
    }
    
    .activity-item::before {
        content: '';
        position: absolute;
        left: -8px;
        top: 1.5rem;
        width: 12px;
        height: 12px;
        background: var(--accent);
        border-radius: 50%;
        border: 3px solid var(--bg-body);
    }
</style>
{% endblock %}

{% block content %}
    <!-- Customer Header -->
    <div class="customer-header">
        <div class="d-flex justify-content-between align-items-start">
            <div class="d-flex align-items-center">
                <div class="customer-avatar-large me-4" id="customerAvatar">?</div>
                <div>
                    <h1 class="fw-bold mb-2" id="customerName">Loading...</h1>
                    <div class="d-flex gap-3 align-items-center">
                        <span id="customerCity"></span>
                        <span class="badge bg-white bg-opacity-20" id="customerStatus"></span>
                        <span class="badge bg-white bg-opacity-20" id="customerSource"></span>
                    </div>
                </div>
            </div>
            <div class="d-flex gap-2">
                <button class="btn btn-light btn-sm" onclick="editCustomer()">
                    <i class="bi bi-pencil me-2"></i>Rediger
                </button>
                <button class="btn btn-light btn-sm" onclick="window.location.href='/customers'">
                    <i class="bi bi-arrow-left me-2"></i>Tilbage
                </button>
            </div>
        </div>
    </div>

    <!-- Content Layout with Sidebar Navigation -->
    <div class="row">
        <div class="col-lg-3 col-md-4">
            <!-- Vertical Navigation -->
            <ul class="nav nav-pills nav-pills-vertical flex-column" role="tablist">
                <li class="nav-item">
                    <a class="nav-link active" data-bs-toggle="tab" href="#overview">
                        <i class="bi bi-info-circle"></i>Oversigt
                    </a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" data-bs-toggle="tab" href="#contacts">
                        <i class="bi bi-people"></i>Kontakter
                    </a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" data-bs-toggle="tab" href="#invoices">
                        <i class="bi bi-receipt"></i>Fakturaer
                    </a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" data-bs-toggle="tab" href="#hardware">
                        <i class="bi bi-hdd"></i>Hardware
                    </a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" data-bs-toggle="tab" href="#activity">
                        <i class="bi bi-clock-history"></i>Aktivitet
                    </a>
                </li>
            </ul>
        </div>
        
        <div class="col-lg-9 col-md-8">
            <!-- Tab Content -->
            <div class="tab-content">
        <!-- Overview Tab -->
        <div class="tab-pane fade show active" id="overview">
            <div class="row g-4">
                <div class="col-lg-6">
                    <div class="info-card">
                        <h5 class="fw-bold mb-4">Virksomhedsoplysninger</h5>
                        <div class="info-row">
                            <span class="info-label">CVR-nummer</span>
                            <span class="info-value" id="cvrNumber">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Adresse</span>
                            <span class="info-value" id="address">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Postnummer & By</span>
                            <span class="info-value" id="postalCity">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Email</span>
                            <span class="info-value" id="email">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Telefon</span>
                            <span class="info-value" id="phone">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Hjemmeside</span>
                            <span class="info-value" id="website">-</span>
                        </div>
                    </div>
                </div>
                
                <div class="col-lg-6">
                    <div class="info-card">
                        <h5 class="fw-bold mb-4">Økonomiske Oplysninger</h5>
                        <div class="info-row">
                            <span class="info-label">e-conomic Kundenr.</span>
                            <span class="info-value" id="economicNumber">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Betalingsbetingelser</span>
                            <span class="info-value" id="paymentTerms">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Moms Zone</span>
                            <span class="info-value" id="vatZone">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Valuta</span>
                            <span class="info-value" id="currency">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">EAN-nummer</span>
                            <span class="info-value" id="ean">-</span>
                        </div>
                        <div class="info-row">
                            <span class="info-label">Spærret</span>
                            <span class="info-value" id="barred">-</span>
                        </div>
                    </div>
                </div>
                
                <div class="col-12">
                    <div class="info-card">
                        <h5 class="fw-bold mb-3">Integration</h5>
                        <div class="row">
                            <div class="col-md-6">
                                <div class="info-row">
                                    <span class="info-label">vTiger ID</span>
                                    <span class="info-value" id="vtigerId">-</span>
                                </div>
                                <div class="info-row">
                                    <span class="info-label">vTiger Sidst Synkroniseret</span>
                                    <span class="info-value" id="vtigerSyncAt">-</span>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="info-row">
                                    <span class="info-label">e-conomic Sidst Synkroniseret</span>
                                    <span class="info-value" id="economicSyncAt">-</span>
                                </div>
                                <div class="info-row">
                                    <span class="info-label">Oprettet</span>
                                    <span class="info-value" id="createdAt">-</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Contacts Tab -->
        <div class="tab-pane fade" id="contacts">
            <div class="d-flex justify-content-between align-items-center mb-4">
                <h5 class="fw-bold mb-0">Kontaktpersoner</h5>
                <button class="btn btn-primary btn-sm" onclick="showAddContactModal()">
                    <i class="bi bi-plus-lg me-2"></i>Tilføj Kontakt
                </button>
            </div>
            <div class="row g-4" id="contactsContainer">
                <div class="col-12 text-center py-5">
                    <div class="spinner-border text-primary"></div>
                </div>
            </div>
        </div>

        <!-- Invoices Tab -->
        <div class="tab-pane fade" id="invoices">
            <h5 class="fw-bold mb-4">Fakturaer</h5>
            <div class="text-muted text-center py-5">
                Fakturamodul kommer snart...
            </div>
        </div>

        <!-- Hardware Tab -->
        <div class="tab-pane fade" id="hardware">
            <h5 class="fw-bold mb-4">Hardware</h5>
            <div class="text-muted text-center py-5">
                Hardwaremodul kommer snart...
            </div>
        </div>

        <!-- Activity Tab -->
        <div class="tab-pane fade" id="activity">
            <h5 class="fw-bold mb-4">Aktivitet</h5>
            <div id="activityContainer">
                <div class="text-center py-5">
                    <div class="spinner-border text-primary"></div>
                </div>
            </div>
        </div>
    </div>
        </div>
    </div>
{% endblock %}

{% block extra_js %}
<script>
const customerId = parseInt(window.location.pathname.split('/').pop());
let customerData = null;

document.addEventListener('DOMContentLoaded', () => {
    loadCustomer();
    
    // Load contacts when tab is shown
    document.querySelector('a[href="#contacts"]').addEventListener('shown.bs.tab', () => {
        loadContacts();
    });
    
    // Load activity when tab is shown
    document.querySelector('a[href="#activity"]').addEventListener('shown.bs.tab', () => {
        loadActivity();
    });
});

async function loadCustomer() {
    try {
        const response = await fetch(`/api/v1/customers/${customerId}`);
        if (!response.ok) {
            throw new Error('Customer not found');
        }
        
        customerData = await response.json();
        displayCustomer(customerData);
    } catch (error) {
        console.error('Failed to load customer:', error);
        alert('Kunne ikke indlæse kunde');
        window.location.href = '/customers';
    }
}

function displayCustomer(customer) {
    // Update page title
    document.title = `${customer.name} - BMC Hub`;
    
    // Header
    document.getElementById('customerAvatar').textContent = getInitials(customer.name);
    document.getElementById('customerName').textContent = customer.name;
    document.getElementById('customerCity').textContent = customer.city || '';
    
    const statusBadge = customer.is_active 
        ? '<i class="bi bi-check-circle me-1"></i>Aktiv'
        : '<i class="bi bi-x-circle me-1"></i>Inaktiv';
    document.getElementById('customerStatus').innerHTML = statusBadge;
    
    const sourceBadge = customer.vtiger_id
        ? '<i class="bi bi-cloud me-1"></i>vTiger'
        : '<i class="bi bi-hdd me-1"></i>Lokal';
    document.getElementById('customerSource').innerHTML = sourceBadge;
    
    // Company Information
    document.getElementById('cvrNumber').textContent = customer.cvr_number || '-';
    document.getElementById('address').textContent = customer.address || '-';
    document.getElementById('postalCity').textContent = customer.postal_code && customer.city 
        ? `${customer.postal_code} ${customer.city}` 
        : customer.city || '-';
    document.getElementById('email').textContent = customer.email || '-';
    document.getElementById('phone').textContent = customer.phone || '-';
    document.getElementById('website').textContent = customer.website || '-';
    
    // Economic Information
    document.getElementById('economicNumber').textContent = customer.economic_customer_number || '-';
    document.getElementById('paymentTerms').textContent = customer.payment_terms_days 
        ? `${customer.payment_terms_days} dage netto`
        : '-';
    document.getElementById('vatZone').textContent = customer.vat_zone || '-';
    document.getElementById('currency').textContent = customer.currency_code || 'DKK';
    document.getElementById('ean').textContent = customer.ean || '-';
    document.getElementById('barred').innerHTML = customer.barred 
        ? '<span class="badge bg-danger">Ja</span>'
        : '<span class="badge bg-success">Nej</span>';
    
    // Integration
    document.getElementById('vtigerId').textContent = customer.vtiger_id || '-';
    document.getElementById('vtigerSyncAt').textContent = customer.vtiger_last_sync_at 
        ? new Date(customer.vtiger_last_sync_at).toLocaleString('da-DK')
        : '-';
    document.getElementById('economicSyncAt').textContent = customer.economic_last_sync_at
        ? new Date(customer.economic_last_sync_at).toLocaleString('da-DK')
        : '-';
    document.getElementById('createdAt').textContent = new Date(customer.created_at).toLocaleString('da-DK');
}

async function loadContacts() {
    const container = document.getElementById('contactsContainer');
    container.innerHTML = '<div class="col-12 text-center py-5"><div class="spinner-border text-primary"></div></div>';
    
    try {
        const response = await fetch(`/api/v1/customers/${customerId}/contacts`);
        const contacts = await response.json();
        
        if (!contacts || contacts.length === 0) {
            container.innerHTML = '<div class="col-12 text-center py-5 text-muted">Ingen kontakter endnu</div>';
            return;
        }
        
        container.innerHTML = contacts.map(contact => `
            <div class="col-md-6">
                <div class="contact-card">
                    <div class="d-flex justify-content-between align-items-start mb-3">
                        <div>
                            <h6 class="fw-bold mb-1">${escapeHtml(contact.name)}</h6>
                            <div class="text-muted small">${contact.title || 'Kontakt'}</div>
                        </div>
                        ${contact.is_primary ? '<span class="badge bg-primary">Primær</span>' : ''}
                    </div>
                    <div class="d-flex flex-column gap-2">
                        ${contact.email ? `
                            <div class="d-flex align-items-center">
                                <i class="bi bi-envelope me-2 text-muted"></i>
                                <a href="mailto:${contact.email}">${contact.email}</a>
                            </div>
                        ` : ''}
                        ${contact.phone ? `
                            <div class="d-flex align-items-center">
                                <i class="bi bi-telephone me-2 text-muted"></i>
                                <a href="tel:${contact.phone}">${contact.phone}</a>
                            </div>
                        ` : ''}
                        ${contact.mobile ? `
                            <div class="d-flex align-items-center">
                                <i class="bi bi-phone me-2 text-muted"></i>
                                <a href="tel:${contact.mobile}">${contact.mobile}</a>
                            </div>
                        ` : ''}
                    </div>
                </div>
            </div>
        `).join('');
    } catch (error) {
        console.error('Failed to load contacts:', error);
        container.innerHTML = '<div class="col-12 text-center py-5 text-danger">Kunne ikke indlæse kontakter</div>';
    }
}

async function loadActivity() {
    const container = document.getElementById('activityContainer');
    container.innerHTML = '<div class="text-center py-5"><div class="spinner-border text-primary"></div></div>';
    
    // TODO: Implement activity log API endpoint
    setTimeout(() => {
        container.innerHTML = '<div class="text-muted text-center py-5">Ingen aktivitet at vise</div>';
    }, 500);
}

function editCustomer() {
    // TODO: Open edit modal with pre-filled data
    console.log('Edit customer:', customerId);
}

function showAddContactModal() {
    // TODO: Open add contact modal
    console.log('Add contact for customer:', customerId);
}

function getInitials(name) {
    if (!name) return '?';
    const words = name.trim().split(' ');
    if (words.length === 1) return words[0].substring(0, 2).toUpperCase();
    return (words[0][0] + words[words.length - 1][0]).toUpperCase();
}

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}
</script>
{% endblock %}