from django.contrib import admin
from django.utils.safestring import mark_safe

from content.models import Link, MediaFile, Question, QuestionVersion, Level, Label, SharedQuestion, SubmittedQuestion
from lib.mixins import PermissionsAdminMixin
from lib.utils import color_label


class ActiveFilter(admin.SimpleListFilter):
    title = "Aktiv/Inaktiv"
    parameter_name = 'released'

    def lookups(self, request, model_admin):
        return [
            (1, 'Inaktiv'),
            (0, 'Aktiv')
        ]

    def queryset(self, request, queryset):
        v = int(self.value() or -1)
        if v == 1:
            return queryset.filter(**{self.parameter_name: True})
        elif v == 0:
            return queryset.filter(**{self.parameter_name: False})
        else:
            return queryset.filter(**{self.parameter_name: False})
            # return queryset


@admin.register(SharedQuestion)
class SharedQuestionAdmin(admin.ModelAdmin):
    search_fields = ('user__username',)


@admin.register(Level)
class LevelAdmin(PermissionsAdminMixin, admin.ModelAdmin):
    search_fields = ('name', 'value',)
    list_display = ('name', 'value', 'color')
    list_editable = ('color',)


@admin.register(Label)
class LabelAdmin(PermissionsAdminMixin, admin.ModelAdmin):
    search_fields = ('name',)
    list_display = ('name', 'color')
    list_editable = ('color',)


@admin.register(SubmittedQuestion)
class SubmittedQuestionAdmin(admin.ModelAdmin):
    list_filter = [ActiveFilter,]
    list_display = ['__str__', 'release']
    list_editable = ['release',]


@admin.register(Question)
class QuestionAdmin(PermissionsAdminMixin, admin.ModelAdmin):
    autocomplete_fields = ('medias', 'links', 'labels', 'shares')
    list_display = ('name', 'list_labels', 'list_level', 'author', 'is_published')
    search_fields = ('name', 'question', 'awnser', 'description', 'label__name', 'level__value', 'level__name',)
    list_editable = ('is_published',)

    def list_labels(self, instance):
        if instance.labels:
            return mark_safe(', '.join([color_label(l, value=l.name) for l in instance.labels.all()]))
        return ''

    def list_level(self, instance):
        if instance.level:
            return mark_safe(color_label(instance.level, value=str(instance.level)))
        return ''

    list_level.short_description = 'Level'
    list_labels.short_description = 'Labels'

    """
    fieldsets = [
        ('Basic', {'fields': [('name', 'author',)]}),
        ('Question', {'fields': ('question', 'awnser',), }),
        ('Meta', {'fields': ('level', 'labels', 'description'), }),
        ('Media and Links', {'fields': ('medias', 'links'), },
         )
    ]
    """


@admin.register(MediaFile)
class MediaFileAdmin(PermissionsAdminMixin, admin.ModelAdmin):
    search_fields = ('name', 'file__name')
    list_display = ('name', 'file')


@admin.register(Link)
class LinkAdmin(PermissionsAdminMixin, admin.ModelAdmin):
    search_fields = ('url',)


@admin.register(QuestionVersion)
class QuestionVersionAdmin(admin.ModelAdmin):
    def has_add_permission(self, request):
        """If a group right is not set :)
        Allways be able to create a version
        """
        return True

    def has_change_permission(self, request, obj=None):
        """Versions are immutable """
        return False

    def has_delete_permission(self, request, obj=None):
        """Versions are immutable """
        return False

    def has_view_permission(self, request, obj=None):
        return True