import django_tables2 as tables
from django_tables2.utils import A

from django.utils.html import format_html

from easy_thumbnails.files import get_thumbnailer

from easy_thumbnails.exceptions import InvalidImageFormatError


class ImageColumn(tables.Column):
    def render(self, value):
        try:
            thumbnailer = get_thumbnailer(value)
            return format_html('<img src="/media/{}" />', thumbnailer["exam-list"])
        except InvalidImageFormatError:
            return format_html('<span title="{}">Invalid image url<span>', value)


#class UserAnswerTable(tables.Table):
#    #edit = tables.LinkColumn(
#    #    "anatomy:anatomy_question_update", text="Edit", args=[A("pk")], orderable=False
#    #)
#    #view = tables.LinkColumn(
#    #    "anatomy:question_detail", text="View", args=[A("pk")], orderable=False
#    #)
#    #image = ImageColumn("image", orderable=False)
#    # clone = tables.LinkColumn('anatomy:anatomy_question_clone',
#    #                          text='Clone',
#    #                          args=[A('pk')],
#    #                          orderable=False)
#    #exams = tables.ManyToManyColumn(verbose_name="Exams")
#
#    class Meta:
#        #model = AnatomyQuestion
#        abstract = True
#        template_name = "django_tables2/bootstrap4.html"
#        fields = (
#            "cid",
#            "question",
#            "answer",
#            #"answer_compare",
#            "exam",
#            "created",
#            "updated",
#        )
#        #sequence = ("view")