import requests

from django.conf import settings
from django.contrib.contenttypes.models import ContentType

from .models import Video, Playlist, TagToObject, READY, DYNAMIC
from .s3_uploader import upload_file
from .utils import asset_upload, generate_thumbnail

from cp_video.celery import app


video_content_type = ContentType.objects.get_for_model(Video)
playlist_content_type = ContentType.objects.get_for_model(Playlist)


@app.task(soft_time_limit=60)
def send_video_to_s3():
    local_videos = Video.objects.filter(
        local_file__isnull=False
    ).prefetch_related('tags', 'categories')

    for local_video in local_videos:
        video_name = local_video.local_file.name.split('/')[-1]
        key = asset_upload(local_video, video_name)
        file_path = settings.DOMAIN_NAME + settings.MEDIA_URL + key

        response = requests.get(file_path)
        content = response.content

        local_video.s3_file = upload_file(content, key, 'video/mp4')
        local_video.status = READY

        if not local_video.thumbnail and local_video.local_file:
            thumbnail_name = generate_thumbnail(file_path, video_name)
            key = f'videos/{thumbnail_name}'
            thumbnail_path = settings.DOMAIN_NAME + settings.MEDIA_URL + thumbnail_name
            response = requests.get(thumbnail_path)
            content = response.content
            content_type = 'image/jpeg'
            local_video.thumbnail = upload_file(content, key, content_type)

        local_video.save(update_fields=['s3_file', 'status', 'thumbnail'])

        tag_ids = list(TagToObject.objects.filter(
            content_type=video_content_type,
            object_id=local_video.id,
        ).values_list('tag_id', flat=True))

        if tag_ids:
            playlist_ids = list(TagToObject.objects.filter(
                content_type=playlist_content_type,
                tag_id__in=tag_ids,
            ).values_list('object_id', flat=True))

            if playlist_ids:
                playlists = Playlist.objects.filter(
                    id__in=playlist_ids,
                    type=DYNAMIC,
                )

                for playlist in playlists:
                    playlist.videos.add(local_video)

    local_videos.update(local_file=None)