from django import forms

from . import models


class GroupAddMembersForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["members"].queryset = self.fields["members"].queryset.exclude(
            id=self.instance.owner.id
        )

    class Meta:
        model = models.Group
        fields = ["members"]


class MusikGameForm(forms.ModelForm):
    class Meta:
        model = models.MusikGame
        fields = ["players", "n"]
        widgets = {
            "players": forms.CheckboxSelectMultiple,
        }

    def __init__(self, *args, **kwargs):
        group = models.Group.objects.get(pk=kwargs.pop("group", None))
        players = group.members.all() | models.User.objects.filter(id=group.owner.id)
        kwargs["initial"].setdefault("players", players)
        super().__init__(*args, **kwargs)
        self.fields["players"].queryset = players