from dcim.models import Site
from virtualization.models import Cluster, ClusterType, ClusterGroup
from extras.models import CustomField, CustomFieldValue
from startup_script_utils import load_yaml
import sys

clusters = load_yaml('/opt/netbox/initializers/clusters.yml')

if not clusters is None:

  required_assocs = {
    'type': (ClusterType, 'name')
  }

  optional_assocs = {
    'site': (Site, 'name'),
    'group': (ClusterGroup, 'name')
  }

  for params in clusters:
    custom_fields = params.pop('custom_fields', None)

    for assoc, details in required_assocs.items():
      model, field = details
      query = { field: params.pop(assoc) }

      params[assoc] = model.objects.get(**query)

    for assoc, details in optional_assocs.items():
      if assoc in params:
        model, field = details
        query = { field: params.pop(assoc) }

        params[assoc] = model.objects.get(**query)

    cluster, created = Cluster.objects.get_or_create(**params)

    if created:
      if custom_fields is not None:
        for cf_name, cf_value in custom_fields.items():
          custom_field = CustomField.objects.get(name=cf_name)
          custom_field_value = CustomFieldValue.objects.create(
            field=custom_field,
            obj=cluster,
            value=cf_value
          )

          cluster.custom_field_values.add(custom_field_value)

      print("🗄️ Created cluster", cluster.name)