from django.db import models
from . import Tournament, FederalMatchCategory
import uuid

class Round(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    tournament = models.ForeignKey(Tournament, on_delete=models.CASCADE)
    index = models.IntegerField(null=True, blank=True)
    loser = models.ForeignKey('self', blank=True, null=True, on_delete=models.CASCADE)
    format = models.IntegerField(default=FederalMatchCategory.NINE_GAMES, choices=FederalMatchCategory.choices, null=True, blank=True)

    def __str__(self):
        return f"{self.tournament.name} - {self.name()}"

    # def stage_call(self):
    #     stage_call = StageCall(f"1/{self.index}")
    #     for match in self.match_set.all():
    #         names = map(lambda ts: ts.player_names(), match.teamstate_set.all())
    #         if names:
    #             team_call = TeamCall(names, match.formatted_start_date)
    #             stage_call.add_team(team_call)

    #     return stage_call

    def name(self):
        if self.index == 0:
            return "Finale"
        elif self.index == 1:
            return "Demi-Finales"
        elif self.index == 2:
            return "Quarts de finale"
        else:
            squared = 2 ** self.index
            return f"{squared}ème"