import csv
import django
import os
import sys

from django.contrib.auth import get_user_model

sys.path.append("../")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
django.setup()

from course_service.courses.models import Vertex
from django.contrib.contenttypes.models import ContentType
from journals.models import Thread, Journal
from storage.models import File

if __name__ == '__main__':
    csv.field_size_limit(500 * 1024 * 1024)
    ct = ContentType.objects.get(app_label='courses', model='vertex')
    with open('./management/comment.csv') as comment_csv:
        comment_reader = csv.DictReader(comment_csv)
        for row in comment_reader:
            if row['type'] == 'task':
                teacher_action = row['status'] == "Одобрено" or row['status'] == "Отклонено"
                owner = get_user_model().objects.get(email=row['owner__email'])
                sub = get_user_model().objects.get(email=row['sub__email'])
                teacher = owner if teacher_action else sub
                user = owner if not teacher_action else sub
                vertex = Vertex.objects.get(object_id=row['object_id'], content_type__model='task')
                action = '' + int(not teacher_action)*"try" +\
                              int(row['status'] == "Одобрено")*"yes" +\
                              int(row['status'] == "Отклонено")*"no"

                child_thread, is_create = Thread.objects.get_or_create(
                    key="""user_%s__vertex_%s""" % (user.id, vertex.id,),
                    text="""%s - %s - %s""" %
                         (vertex.course.title, vertex.vertex_set.all()[0].title, user.get_full_name()),
                )

                if is_create:
                    child_thread.parent.add(Thread.objects.get(key="""user_%s""" % user.id))
                    child_thread.parent.add(Thread.objects.get(key="""user_%s""" % teacher.id))
                    child_thread.parent.add(Thread.objects.get(key='Support'))
                    child_thread.subscribers.add(user)

                journal = Journal.objects.create(
                    thread=child_thread,
                    user=owner,
                    content_type=ct,
                    object_id=vertex.id,
                    action_type=action,
                    extra_data=row['text'],
                )
                journal.date = row['date']
                journal.save()

                for file_id in row['files'].split("[")[1].split("]")[0].split(", "):
                    if file_id:
                        journal.files.add(File.objects.get(id=file_id))