from django.db import models
from django.utils import timezone
from users.models import User, Team
from specializations.models import Specialization


class HistoryRating(models.Model):
    user = models.ForeignKey(User, related_name='history_ratings', null=True, blank=True)
    team = models.ForeignKey(Team, related_name='history_ratings', null=True, blank=True)
    rating = models.IntegerField(default=0)
    created = models.DateTimeField(default=timezone.now)
    description = models.TextField(blank=True)

    def __str__(self):
        return '{0}'.format(self.rating)

    class Meta:
        verbose_name = 'История рейтинга'
        verbose_name_plural = 'Истории рейтинга'


class SpecializationRating(models.Model):
    user = models.ForeignKey(User, related_name='specialization_rating', null=True, blank=True)
    team = models.ForeignKey(Team, related_name='specialization_rating', null=True, blank=True)
    specialization = models.ForeignKey(Specialization, related_name='specialization_rating')
    position = models.PositiveIntegerField(default=0)

    def __str__(self):
        return '{0}'.format(self.pk)

    class Meta:
        verbose_name = 'Рейтинг специализаций'
        verbose_name_plural = 'Рейтинги специализаций'