from secrets import token_urlsafe

from django.db import models
from django.utils.translation import gettext_lazy as _


def generate_token():
    return token_urlsafe(32)


class MusicrateSettings(models.Model):
    event = models.OneToOneField(
        to="event.Event",
        on_delete=models.CASCADE,
        related_name="pretalx_musicrate_settings",
    )
    submission_types = models.ManyToManyField(
        to="submission.SubmissionType",
        related_name="pretalx_musicrate_settings",
        help_text=_(
            "You can limit pretalx-musicrate to some session types. Leave this field empty to rate all session types."
        ),
        verbose_name=_("Session Types"),
        blank=True,
    )
    genre_question = models.OneToOneField(
        to="submission.Question",
        on_delete=models.SET_NULL,
        related_name="pretalx_musicrate_settings_genre",
        verbose_name=_("Genre Question"),
        blank=True,
        null=True,
    )
    origin_question = models.OneToOneField(
        to="submission.Question",
        on_delete=models.SET_NULL,
        related_name="pretalx_musicrate_settings_origin",
        verbose_name=_("Origin Question"),
        blank=True,
        null=True,
    )
    join_token = models.CharField(max_length=43, default=generate_token)