from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from django.urls import reverse
from django.utils.html import format_html
from ajaxdatatable.admin import AjaxDatatable

from apps.video.models import *


class VideoInCollectionInline(admin.TabularInline):
    model = VideoInCollection
    extra = 1
    autocomplete_fields = ('video',)
    ordering = ('priority',)


class VideoCollectionAdminBase(AjaxDatatable):
    """Base admin class for all video collection types"""
    list_display = ('title', 'status', 'order', 'count_videos', 'created_at')
    list_filter = ('status', 'created_at', 'updated_at')
    search_fields = ('title',)
    inlines = [VideoInCollectionInline]

    fieldsets = (
        (None, {
            'fields': ('title', 'status', 'order')
        }),
    )


    @admin.display(description=_('Number of Videos'))
    def count_videos(self, obj):
        count = obj.videos.count()
        if count > 0:
            url = reverse('admin:video_video_changelist') + f'?collections__id__exact={obj.id}'
            return format_html('<a href="{}">{}</a>', url, count)
        return count


# @admin.register(VideoCollection)
# class VideoCollectionAdmin(VideoCollectionAdminBase):
#     """Admin for all video collections"""
#     list_display = ('title', 'status', 'count_videos', 'created_at')
#     list_filter = ('status', 'created_at', 'updated_at')



@admin.register(VideoCategory)
class VideoCategoryAdmin(AjaxDatatable):
    list_display = ('title', 'slug', 'status', 'order', 'count_videos', 'created_at')
    list_filter = ('status', 'created_at', 'updated_at')
    search_fields = ('title', 'slug')


    @admin.display(description=_('Number of Videos'))
    def count_videos(self, obj):
        count = obj.videos.count()
        if count > 0:
            url = reverse('admin:video_video_changelist') + f'?category__id__exact={obj.id}'
            return format_html('<a href="{}">{}</a>', url, count)
        return count


@admin.register(Video)
class VideoAdmin(AjaxDatatable):
    list_display = ('title', 'slug', 'video_type', 'status', 'view_count', 'created_at')
    list_filter = ('status', 'video_type', 'created_at', 'updated_at')
    search_fields = ('title', 'slug', 'description')
    autocomplete_fields = ('categories',)

    fieldsets = (
        (None, {
            'fields': ('title', 'slug', 'description', 'thumbnail', 'categories')
        }),
        (_('Video Information'), {
            'fields': ('video_type', 'video_file', 'video_url', 'video_time')
        }),
        (_('Status'), {
            'fields': ('status',)
        }),
        (_('Statistics'), {
            'fields': ('view_count',)
        }),
    )