import copy

from django.contrib import admin
from django.utils.translation import ugettext_lazy as _

from content_editor.admin import ContentEditor
from feincms3 import plugins
from feincms3.admin import TreeAdmin

from aircox import models as aircox
from . import models
from aircox.admin.playlist import TracksInline
from aircox.admin.mixins import UnrelatedInlineMixin


@admin.register(models.SiteSettings)
class SettingsAdmin(admin.ModelAdmin):
    pass


class PageDiffusionPlaylist(UnrelatedInlineMixin, TracksInline):
    parent_model = aircox.Diffusion
    fields = list(TracksInline.fields)
    fields.remove('timestamp')

    def get_parent(self, view_obj):
        return view_obj and view_obj.diffusion

    def save_parent(self, parent, view_obj):
        parent.save()
        view_obj.diffusion = parent
        view_obj.save()


@admin.register(models.Page)
class PageAdmin(ContentEditor, TreeAdmin):
    list_display = ["indented_title", "move_column", "is_active"]
    prepopulated_fields = {"slug": ("title",)}
    # readonly_fields = ('diffusion',)

    fieldsets = (
        (_('Main'), {
            'fields': ['title', 'slug', 'by_program', 'summary'],
            'classes': ('tabbed', 'uncollapse')
        }),
        (_('Settings'), {
            'fields': ['show_author', 'featured', 'allow_comments',
                       'status', 'static_path', 'path'],
            'classes': ('tabbed',)
        }),
        (_('Infos'), {
            'fields': ['diffusion'],
            'classes': ('tabbed',)
        }),
    )

    inlines = [
        plugins.richtext.RichTextInline.create(models.RichText),
        plugins.image.ImageInline.create(models.Image),
    ]

    def get_inline_instances(self, request, obj=None):
        inlines = super().get_inline_instances(request, obj)
        if obj and obj.diffusion:
            inlines.insert(0, PageDiffusionPlaylist(self.model, self.admin_site))
        return inlines