{% extends 'administration/base.html.twig' %}

{% block title %}Kunden verwalten{% endblock %}

{% block body %}
<nav aria-label="breadcrumb" class="mb-4">
  <ol class="breadcrumb bg-light p-2 rounded">
    <li class="breadcrumb-item"><a href="/admin/license-server">Lizenzserver</a></li>
    <li class="breadcrumb-item active" aria-current="page">Kunden</li>
  </ol>
</nav>
<div class="container-fluid">
    <div class="row mb-4">
        <div class="col-12">
            <div class="admin-card p-4">
                <div class="d-flex flex-column flex-md-row justify-content-between align-items-start align-items-md-center">
                    <div class="mb-3 mb-md-0">
                        <h2 class="gradient-text fw-bold mb-2">
                            <i class="bi bi-people me-3"></i>
                            Kunden verwalten
                        </h2>
                        <p class="text-muted mb-0">Übersicht über alle Kunden und deren Lizenzen</p>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="row">
        <div class="col-12">
            <div class="admin-card p-4">
                <div class="d-flex justify-content-between align-items-center mb-3">
                    <h5 class="fw-bold mb-0">Alle Kunden</h5>
                    <div class="d-flex gap-2">
                        <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#newCustomerModal">
                            <i class="bi bi-plus me-2"></i>
                            Neuer Kunde
                        </button>
                        <input type="text" class="form-control form-control-sm" placeholder="Suchen..." value="{{ search }}">
                    </div>
                </div>

                <div class="table-responsive">
                    <table class="table table-hover">
                        <thead>
                            <tr>
                                <th>Kunde</th>
                                <th>E-Mail</th>
                                <th>Firma</th>
                                <th>Lizenzen</th>
                                <th>Letzter Kauf</th>
                                <th>Aktionen</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for customer in customers %}
                            <tr>
                                <td>
                                    <div class="d-flex align-items-center">
                                        <div class="avatar-sm me-3">
                                            <div class="avatar-initial bg-primary text-white rounded-circle">
                                                {{ customer.name|upper|slice(0, 1) }}
                                            </div>
                                        </div>
                                        <div>
                                            <div class="fw-semibold">{{ customer.name }}</div>
                                        </div>
                                    </div>
                                </td>
                                <td>{{ customer.email }}</td>
                                <td>{{ customer.company ?? '-' }}</td>
                                <td>
                                    <span class="badge bg-primary">{{ customer.licenseCount }}</span>
                                </td>
                                <td>{{ customer.lastPurchase|date('d.m.Y') }}</td>
                                <td>
                                    <div class="btn-group btn-group-sm">
                                        <button type="button" class="btn btn-outline-primary" onclick="viewCustomer({{ customer.id }})">
                                            <i class="bi bi-eye"></i>
                                        </button>
                                        <button type="button" class="btn btn-outline-secondary" onclick="editCustomer({{ customer.id }})">
                                            <i class="bi bi-pencil"></i>
                                        </button>
                                        <button type="button" class="btn btn-outline-warning" onclick="sendEmail({{ customer.id }})">
                                            <i class="bi bi-envelope"></i>
                                        </button>
                                        <button type="button" class="btn btn-outline-danger" onclick="deleteCustomer({{ customer.id }})">
                                            <i class="bi bi-trash"></i>
                                        </button>
                                    </div>
                                </td>
                            </tr>
                            {% else %}
                            <tr>
                                <td colspan="6" class="text-center text-muted py-4">
                                    <i class="bi bi-inbox fs-1 d-block mb-2"></i>
                                    Keine Kunden gefunden
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>

                {% if totalPages > 1 %}
                <nav aria-label="Seitennavigation" class="mt-4">
                    <ul class="pagination justify-content-center">
                        {% for i in 1..totalPages %}
                        <li class="page-item {{ i == currentPage ? 'active' : '' }}">
                            <a class="page-link" href="?page={{ i }}{{ search ? '&search=' ~ search : '' }}">{{ i }}</a>
                        </li>
                        {% endfor %}
                    </ul>
                </nav>
                {% endif %}
            </div>
        </div>
    </div>
</div>

<style>
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.avatar-sm {
    width: 40px;
    height: 40px;
}

.avatar-initial {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}
</style>

<!-- Neuer Kunde Modal -->
<div class="modal fade" id="newCustomerModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Neuer Kunde</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="newCustomerForm">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">Name *</label>
                                <input type="text" class="form-control" name="name" required>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">E-Mail *</label>
                                <input type="email" class="form-control" name="email" required>
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">Firma</label>
                                <input type="text" class="form-control" name="company">
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">Telefon</label>
                                <input type="tel" class="form-control" name="phone">
                            </div>
                        </div>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Adresse</label>
                        <textarea class="form-control" name="address" rows="3"></textarea>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Abbrechen</button>
                <button type="button" class="btn btn-primary" onclick="createCustomer()">Kunde erstellen</button>
            </div>
        </div>
    </div>
</div>

<script>
function createCustomer() {
    const form = document.getElementById('newCustomerForm');
    const formData = new FormData(form);
    
    // Show loading state
    const submitBtn = document.querySelector('#newCustomerModal .btn-primary');
    const originalText = submitBtn.innerHTML;
    submitBtn.innerHTML = '<i class="bi bi-hourglass-split"></i> Erstelle...';
    submitBtn.disabled = true;
    
    fetch('/admin/license-server/customers/create', {
        method: 'POST',
        body: formData,
        headers: {
            'X-Requested-With': 'XMLHttpRequest'
        }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            // Close modal and reload
            const modal = bootstrap.Modal.getInstance(document.getElementById('newCustomerModal'));
            modal.hide();
            location.reload();
        } else {
            alert('Fehler beim Erstellen des Kunden: ' + (data.error || 'Unbekannter Fehler'));
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('Ein Fehler ist aufgetreten. Bitte versuchen Sie es erneut.');
    })
    .finally(() => {
        // Reset button state
        submitBtn.innerHTML = originalText;
        submitBtn.disabled = false;
    });
}

function viewCustomer(id) {
    window.location.href = `/admin/license-server/customers/${id}/view`;
}

function editCustomer(id) {
    window.location.href = `/admin/license-server/customers/${id}/edit`;
}

function sendEmail(id) {
    // TODO: Implement email functionality
    alert('E-Mail-Funktion wird noch implementiert');
}

function deleteCustomer(id) {
    if (confirm('Kunde wirklich löschen?')) {
        fetch(`/admin/license-server/customers/${id}/delete`, {
            method: 'POST',
            headers: {
                'X-Requested-With': 'XMLHttpRequest'
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                location.reload();
            } else {
                alert('Fehler beim Löschen: ' + data.error);
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Ein Fehler ist aufgetreten. Bitte versuchen Sie es erneut.');
        });
    }
}
</script>
{% endblock %}