models_1

from django.core.validators import MinLengthValidator, MinValueValidator, MaxValueValidator
from django.db import models

from main_app.models_mixins import IsAwardedMixin, LastUpdatedMixin
from main_app.custom_models_managers import DirectorManager


class BasePerson(models.Model):
    full_name = models.CharField(max_length=120, validators=[MinLengthValidator(2)])
    birth_date = models.DateField(default="1900-01-01")
    nationality = models.CharField(max_length=50, default="Unknown")

    class Meta:
        abstract = True

    def __str__(self):
        return self.full_name


class Director(BasePerson):
    years_of_experience = models.SmallIntegerField(default=0, validators=[MinValueValidator(0)])

    objects = DirectorManager()


class Actor(BasePerson, IsAwardedMixin, LastUpdatedMixin):
    pass


class Movie(IsAwardedMixin, LastUpdatedMixin):
    GENRE_CHOICES = (
        ("Action", "Action"),
        ("Comedy", "Comedy"),
        ("Drama", "Drama"),
        ("Other", "Other"),
    )

    title = models.CharField(max_length=150, validators=[MinLengthValidator(5)])
    release_date = models.DateField()
    storyline = models.TextField(null=True, blank=True)
    genre = models.CharField(choices=GENRE_CHOICES,
                             max_length=6,
                             default="Other")

    rating = models.DecimalField(max_digits=3, decimal_places=1,
                                 validators=[MinValueValidator(0.0), MaxValueValidator(10.0)],
                                 default=0)

    is_classic = models.BooleanField(default=False)
    director = models.ForeignKey(Director, on_delete=models.CASCADE,
                                 related_name="director_movies")

    starring_actor = models.ForeignKey(Actor, on_delete=models.SET_NULL,
                                       related_name="starring_actor_movies",
                                       null=True, blank=True)

    actors = models.ManyToManyField(Actor,
                                    related_name="actor_movies")

    def __str__(self):
        return self.title