from django.contrib.auth.models import Permission, Group, User
from users.models import Token

from startup_script_utils import load_yaml
import sys

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

if users is None:
  sys.exit()

for username, user_details in users.items():
  if not User.objects.filter(username=username):
    user = User.objects.create_user(
      username = username,
      password = user_details.get('password', 0) or User.objects.make_random_password)

    print("👤 Created user",username)

    if user_details.get('api_token', 0):
      Token.objects.create(user=user, key=user_details['api_token'])

    yaml_permissions = user_details.get('permissions', [])
    if yaml_permissions:
      subject = user.user_permissions
      subject.clear()
      for yaml_permission in yaml_permissions:
        if '*' in yaml_permission:
          permission_filter = '^' + yaml_permission.replace('*','.*') + '$'
          permissions = Permission.objects.filter(codename__iregex=permission_filter)
          print("  ⚿ Granting", permissions.count(), "permissions matching '" + yaml_permission + "'")
        else:
          permissions = Permission.objects.filter(codename=yaml_permission)
          print("  ⚿ Granting permission", yaml_permission)

        for permission in permissions:
          subject.add(permission)