from django import forms
from .models import RouterMonSettings


class RouterMonSettingsForm(forms.ModelForm):
    class Meta:
        model = RouterMonSettings
        fields = ['enabled', 'syslog_port', 'excluded_clients', 'retention_days']
        widgets = {
            'excluded_clients': forms.Textarea(attrs={'rows': 4, 'class': 'font-mono text-sm'}),
        }
        help_texts = {
            'syslog_port': (
                'UDP port the server listens on (default 5514). '
                'Configure your router to send syslog here. '
                'If your router only supports port 514, add an iptables redirect on the k3s node.'
            ),
            'excluded_clients': 'One LAN IP per line. Queries from these devices will be ignored.',
            'retention_days': 'DNS query log records older than this will be automatically deleted.',
        }