from django.db import models
from django.conf import settings

class Club(models.Model):
    name = models.CharField(max_length=255)
    website = models.URLField(blank=True)
    administrators = models.ManyToManyField(settings.AUTH_USER_MODEL, related_name='administered_clubs')

    def __str__(self):
        return self.name

class Team(models.Model):
    name = models.CharField(max_length=255)
    club = models.ForeignKey(Club, on_delete=models.CASCADE, related_name='teams')
    head_coach = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET_NULL, null=True, blank=True, related_name='coached_teams')
    assistant_coaches = models.ManyToManyField(settings.AUTH_USER_MODEL, related_name='assisted_teams', blank=True)
    parent_team = models.ForeignKey('self', on_delete=models.SET_NULL, null=True, blank=True, related_name='child_teams')

    def __str__(self):
        return self.name