"""Django admin interface for the event app.

It's the best way to add eventseries, or edit/delete events."""
from django.contrib import admin
from django.utils.translation import gettext as _

from events.models import Event, Photo, Location


class EventInline(admin.TabularInline):
    """To list events of an eventseries below the 'master event'"""
    model = Event
    fields = ('name', 'start', 'end')
    verbose_name_plural = _('Event Series')


class EventAdmin(admin.ModelAdmin):
    """Admin Interface to list and edit events."""
    list_display = ('name', 'start', 'end', 'location',)
    list_editable = ('start', 'end', 'location')
    readonly_fields = ('event_series',)
    date_hierarchy = 'start'
    search_fields = ('name', 'description')
    list_per_page = 50
    inlines = (EventInline,)


class LocationAdmin(admin.ModelAdmin):
    """Admin Interace to list and edit event locations."""
    list_display = ('name', 'street_address', 'postal_code', 'locality')


class PhotoAdmin(admin.ModelAdmin):
    """Admin Interface to list and edit photos of events."""
    fields = ('image', 'event', 'name', 'description',
              ('photographer', 'created_date'))
    list_filter = ('event', 'on_startpage',)
    list_display = ('image', 'image', 'name', 'event',
                    'photographer', 'on_startpage')
    list_display_links = ('image',)
    list_editable = ('on_startpage', 'name', 'event', 'photographer')


admin.site.register(Event, EventAdmin)
admin.site.register(Photo, PhotoAdmin)
admin.site.register(Location, LocationAdmin)