from django.db import models
from django.utils.translation import gettext_lazy as _
from sorl import thumbnail
from sorl.thumbnail.fields import ImageField as SORLImageField

from utils.methods import image_path
from utils.models import ProjectBaseMixin, SORLImageMixin, PlatformMixin


class ImageQuerySet(models.QuerySet):
    """QuerySet for model Image."""


class Image(ProjectBaseMixin, SORLImageMixin, PlatformMixin):
    """Image model."""
    HORIZONTAL = 0
    VERTICAL = 1

    ORIENTATIONS = (
        (HORIZONTAL, _('Horizontal')),
        (VERTICAL, _('Vertical')),
    )

    image = SORLImageField(max_length=255, upload_to=image_path,
                           verbose_name=_('image file'))
    orientation = models.PositiveSmallIntegerField(choices=ORIENTATIONS,
                                                   blank=True, null=True, default=None,
                                                   verbose_name=_('image orientation'))
    title = models.CharField(_('title'), max_length=255, default='')

    objects = ImageQuerySet.as_manager()

    class Meta:
        """Meta class."""
        verbose_name = _('Image')
        verbose_name_plural = _('Images')
        ordering = ['-modified']

    def __str__(self):
        """String representation"""
        return f'{self.id}'

    def delete_image(self, completely: bool = True):
        """
        Deletes an instance and crops of instance from media storage.
        :param completely: if set to False then removed only crop neither original image.
        """
        try:
            # Delete from remote storage
            thumbnail.delete(file_=self.image.file, delete_file=completely)
        except FileNotFoundError:
            pass
        finally:
            if completely:
                # Delete an instance of image
                super().delete()