{% extends "base.html" %}

{% block title %}{{ server.name }} - VPN-Server - mGuard VPN{% endblock %}

{% block content %}
<nav aria-label="breadcrumb" class="mb-3">
    <ol class="breadcrumb">
        <li class="breadcrumb-item"><a href="/vpn-servers">VPN-Server</a></li>
        <li class="breadcrumb-item active">{{ server.name }}</li>
    </ol>
</nav>

<div class="d-flex justify-content-between align-items-center mb-4">
    <h1>
        {% if server.status.value == 'running' %}
        <span class="status-indicator online"></span>
        {% else %}
        <span class="status-indicator offline"></span>
        {% endif %}
        {{ server.name }}
        {% if server.is_primary %}
        <span class="badge bg-primary">Primär</span>
        {% endif %}
        {% if server.protocol.value == 'udp' %}
        <span class="badge badge-udp">UDP</span>
        {% else %}
        <span class="badge badge-tcp">TCP</span>
        {% endif %}
    </h1>
    <div>
        <a href="/vpn-servers/{{ server.id }}/clients" class="btn btn-outline-primary">
            <i class="bi bi-people"></i> Clients ({{ status.connected_clients or 0 }})
        </a>
        <a href="/vpn-servers/{{ server.id }}/edit" class="btn btn-outline-secondary">
            <i class="bi bi-pencil"></i> Bearbeiten
        </a>
        <form action="/vpn-servers/{{ server.id }}/delete" method="post" class="d-inline"
              onsubmit="return confirm('VPN-Server wirklich löschen?');">
            <button type="submit" class="btn btn-outline-danger">
                <i class="bi bi-trash"></i> Löschen
            </button>
        </form>
    </div>
</div>

<div class="row">
    <!-- Status Card -->
    <div class="col-md-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-activity"></i> Status</h5>
            </div>
            <div class="card-body">
                <dl class="row mb-0">
                    <dt class="col-sm-5">Status</dt>
                    <dd class="col-sm-7">
                        {% if server.status.value == 'running' %}
                        <span class="badge bg-success">Läuft</span>
                        {% elif server.status.value == 'stopped' %}
                        <span class="badge bg-secondary">Gestoppt</span>
                        {% elif server.status.value == 'starting' %}
                        <span class="badge bg-warning">Startet...</span>
                        {% elif server.status.value == 'error' %}
                        <span class="badge bg-danger">Fehler</span>
                        {% else %}
                        <span class="badge bg-light text-dark">{{ server.status.value }}</span>
                        {% endif %}
                    </dd>

                    <dt class="col-sm-5">Verbundene Clients</dt>
                    <dd class="col-sm-7">{{ status.connected_clients or 0 }}</dd>

                    <dt class="col-sm-5">Letzte Prüfung</dt>
                    <dd class="col-sm-7">
                        {{ server.last_status_check.strftime('%d.%m.%Y %H:%M') if server.last_status_check else '-' }}
                    </dd>

                    <dt class="col-sm-5">Container</dt>
                    <dd class="col-sm-7"><code>{{ server.docker_container_name or '-' }}</code></dd>

                    <dt class="col-sm-5">Management-Port</dt>
                    <dd class="col-sm-7">{{ server.management_port }}</dd>
                </dl>
            </div>
        </div>
    </div>

    <!-- Network Card -->
    <div class="col-md-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-hdd-network"></i> Netzwerk</h5>
            </div>
            <div class="card-body">
                <dl class="row mb-0">
                    <dt class="col-sm-5">Adresse</dt>
                    <dd class="col-sm-7"><code>{{ server.hostname }}:{{ server.port }}</code></dd>

                    <dt class="col-sm-5">Protokoll</dt>
                    <dd class="col-sm-7">{{ server.protocol.value.upper() }}</dd>

                    <dt class="col-sm-5">VPN-Netzwerk</dt>
                    <dd class="col-sm-7">{{ server.vpn_network }}/{{ server.vpn_netmask }}</dd>

                    <dt class="col-sm-5">Max Clients</dt>
                    <dd class="col-sm-7">{{ server.max_clients }}</dd>

                    <dt class="col-sm-5">Keepalive</dt>
                    <dd class="col-sm-7">{{ server.keepalive_interval }}s / {{ server.keepalive_timeout }}s</dd>
                </dl>
            </div>
        </div>
    </div>
</div>

<div class="row">
    <!-- Security Card -->
    <div class="col-md-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-shield-lock"></i> Sicherheit</h5>
            </div>
            <div class="card-body">
                <dl class="row mb-0">
                    <dt class="col-sm-5">CA</dt>
                    <dd class="col-sm-7">
                        <a href="/ca/{{ server.certificate_authority.id }}">
                            {{ server.certificate_authority.name }}
                        </a>
                    </dd>

                    <dt class="col-sm-5">Cipher</dt>
                    <dd class="col-sm-7">{{ server.cipher.value }}</dd>

                    <dt class="col-sm-5">Auth</dt>
                    <dd class="col-sm-7">{{ server.auth.value }}</dd>

                    <dt class="col-sm-5">TLS Version</dt>
                    <dd class="col-sm-7">>= {{ server.tls_version_min }}</dd>

                    <dt class="col-sm-5">TLS-Auth</dt>
                    <dd class="col-sm-7">
                        {% if server.tls_auth_enabled %}
                        <span class="badge bg-success">Aktiviert</span>
                        {% else %}
                        <span class="badge bg-secondary">Deaktiviert</span>
                        {% endif %}
                    </dd>

                    <dt class="col-sm-5">Kompression</dt>
                    <dd class="col-sm-7">{{ server.compression.value }}</dd>
                </dl>
            </div>
        </div>
    </div>

    <!-- Profiles Card -->
    <div class="col-md-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-person-vcard"></i> VPN-Profile</h5>
            </div>
            <div class="card-body">
                {% if server.vpn_profiles %}
                <ul class="list-group list-group-flush">
                    {% for profile in server.vpn_profiles[:10] %}
                    <li class="list-group-item d-flex justify-content-between align-items-center px-0">
                        <span>
                            <a href="/gateways/{{ profile.gateway_id }}/profiles/{{ profile.id }}">
                                {{ profile.gateway.name }} - {{ profile.name }}
                            </a>
                        </span>
                        {% if profile.status.value == 'active' %}
                        <span class="badge bg-success">Aktiv</span>
                        {% elif profile.status.value == 'provisioned' %}
                        <span class="badge bg-info">Provisioniert</span>
                        {% else %}
                        <span class="badge bg-secondary">{{ profile.status.value }}</span>
                        {% endif %}
                    </li>
                    {% endfor %}
                </ul>
                {% if server.vpn_profiles|length > 10 %}
                <p class="text-muted small mt-2 mb-0">... und {{ server.vpn_profiles|length - 10 }} weitere</p>
                {% endif %}
                {% else %}
                <p class="text-muted mb-0">Keine Profile verwenden diesen Server.</p>
                {% endif %}
            </div>
        </div>
    </div>
</div>

<!-- Server Log -->
<div class="card">
    <div class="card-header d-flex justify-content-between align-items-center">
        <h5 class="mb-0"><i class="bi bi-terminal"></i> Server-Log</h5>
        <div>
            <button class="btn btn-sm btn-outline-secondary" onclick="refreshLog()">
                <i class="bi bi-arrow-clockwise"></i> Aktualisieren
            </button>
            <a href="/api/internal/vpn-servers/{{ server.id }}/logs/raw?lines=500"
               class="btn btn-sm btn-outline-primary" target="_blank">
                <i class="bi bi-download"></i> Download
            </a>
        </div>
    </div>
    <div class="card-body p-0">
        <div id="server-log" class="bg-dark text-light p-3"
             style="max-height: 400px; overflow-y: auto; font-family: monospace; font-size: 12px;">
            <div class="text-center py-4">
                <div class="spinner-border spinner-border-sm text-light" role="status">
                    <span class="visually-hidden">Laden...</span>
                </div>
                <span class="ms-2">Log wird geladen...</span>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
async function refreshLog() {
    const container = document.getElementById('server-log');
    try {
        const response = await fetch('/api/internal/vpn-servers/{{ server.id }}/logs?lines=100');
        const data = await response.json();

        if (data.lines && data.lines.length > 0) {
            container.innerHTML = data.lines.map(line => {
                // Color-code log levels
                let lineClass = '';
                if (line.includes('ERROR') || line.includes('error')) lineClass = 'text-danger';
                else if (line.includes('WARN') || line.includes('warning')) lineClass = 'text-warning';
                else if (line.includes('INFO')) lineClass = 'text-info';
                return `<div class="${lineClass}">${escapeHtml(line)}</div>`;
            }).join('');
            container.scrollTop = container.scrollHeight;
        } else {
            container.innerHTML = '<div class="text-muted">Keine Log-Einträge vorhanden</div>';
        }
    } catch (error) {
        container.innerHTML = `<div class="text-danger">Fehler beim Laden: ${error.message}</div>`;
    }
}

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

// Load log on page load
document.addEventListener('DOMContentLoaded', refreshLog);

// Auto-refresh every 10 seconds
setInterval(refreshLog, 10000);
</script>
{% endblock %}