from django.contrib import admin
from django.utils.safestring import mark_safe
from accounts.utils import send_email
from .models import *


class AttributeForCategoryInline(admin.TabularInline):
    model = AttributeForCategory


class AttributesInProductInline(admin.TabularInline):
    model = AttributesInProduct


@admin.register(Brand)
class BrandAdmin(admin.ModelAdmin):
    list_display = ('title',)
    prepopulated_fields = {"slug": ("title",)}


# @admin.register(Image)
# class ImageAdmin(admin.ModelAdmin):
#     list_display = ('image',)


@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    def get_parent_str(object):
        return object.parent or ''

    get_parent_str.short_description = 'Родительская категория'
    get_parent_str.admin_order_field = 'parent__pk'

    list_display = ('title', get_parent_str, 'priority')
    list_editable = ('priority',)
    list_filter = ('parent__title',)

    prepopulated_fields = {"slug": ("title",)}
    inlines = [AttributeForCategoryInline, ]


@admin.register(Attribute)
class AttributeAdmin(admin.ModelAdmin):
    list_display = ('title',)
    prepopulated_fields = {"slug": ("title",)}


class ImageInProductInline(admin.TabularInline):
    def render_image(self, obj):
        return mark_safe("""<img src="/static/{0}" width='200' />""".format(
            obj.image.url))

    render_image.short_description = 'Превью'

    model = ImageInProduct
    fields = ['render_image', 'image', 'is_main']
    readonly_fields = ['render_image', ]
    extra = 1


class ProductVariationInline(admin.TabularInline):
    model = ProductVariation
    fields = ['variation', 'article', 'price', 'weight', 'in_stock', 'discount']
    extra = 1


@admin.register(ProductVariation)
class ProductVariationAdmin(admin.ModelAdmin):
    model = ProductVariation
    list_display = ['product', 'variation', 'article', 'price', 'weight', 'in_stock', 'discount']
    search_fields = ['variation', 'article']
    list_filter = ['discount', ]


@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
    list_display = ('title',)
    prepopulated_fields = {"slug": ("title",)}
    inlines = [ImageInProductInline,
               ProductVariationInline, AttributesInProductInline]


def get_order_items(obj):
    retval = ''
    c = 0
    for o in obj.get_items():
        variation, count = o[0], o[1]
        c += 1
        retval += '{}. {}, {}: {} шт.<br>'.format(c, variation.product.title, variation.variation, count)
    return retval


get_order_items.short_description = 'Заказ'
get_order_items.allow_tags = True


@admin.register(OrderData)
class OrderAdmin(admin.ModelAdmin):
    def save_model(self, request, obj, form, change):
        if 'status' in form.changed_data:
            if obj.status > 0:
                send_email(obj.profile, template='mail/order{}.jinja'.format(obj.status), context=dict(order=obj))
        obj.save()

    list_display = (
    'first_name', 'last_name', 'phone', 'email', 'city', 'address', 'deliv_type', 'amount', 'status', get_order_items)

#
# @admin.register(Category)
# class CategoryAdmin(admin.ModelAdmin):
#     list_display = ('title',)
#
# @admin.register(Dog)
# class DogAdmin(admin.ModelAdmin):
#     list_display = ('name', 'data')
#