from django.db import models


class Team(models.Model):
    name = models.CharField(max_length=200)
    short_name = models.CharField(max_length=80, blank=True)
    slug = models.SlugField(max_length=220, unique=True)
    country = models.ForeignKey(
        "players.Nationality",
        on_delete=models.SET_NULL,
        blank=True,
        null=True,
        related_name="teams",
    )
    founded_year = models.PositiveSmallIntegerField(blank=True, null=True)
    is_national_team = models.BooleanField(default=False)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["name"]
        constraints = [
            models.UniqueConstraint(fields=["name", "country"], name="uq_team_name_country")
        ]
        indexes = [
            models.Index(fields=["name"]),
            models.Index(fields=["slug"]),
            models.Index(fields=["country"]),
            models.Index(fields=["is_national_team"]),
        ]

    def __str__(self) -> str:
        return self.name