from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from django.utils.html import format_html
from .models import (
    Product, Category, FursuitGallery, GalleryImage, 
    DesignTemplate, CustomerDesign, Order, OrderProgress,
    Cart, CartItem, ShippingAddress, Checkout,
    ProductType, ProductImage, ProductVariant, CustomDesign,
    PayPalPayment, PaymentError
)

@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    list_display = ['name', 'slug', 'parent']
    list_filter = ['parent']
    search_fields = ['name']
    prepopulated_fields = {'slug': ('name',)}

@admin.register(ProductType)
class ProductTypeAdmin(admin.ModelAdmin):
    list_display = ['name', 'has_sizes', 'has_colors', 'has_custom_design', 'requires_measurements']
    list_filter = ['has_sizes', 'has_colors', 'has_custom_design', 'requires_measurements']
    search_fields = ['name']

class ProductImageInline(admin.TabularInline):
    model = ProductImage
    extra = 1

class ProductVariantInline(admin.TabularInline):
    model = ProductVariant
    extra = 1

@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
    list_display = ['name', 'category', 'price', 'stock', 'available', 'created']
    list_filter = ['available', 'category', 'product_type', 'created']
    search_fields = ['name', 'description']
    prepopulated_fields = {'slug': ('name',)}
    inlines = [ProductImageInline, ProductVariantInline]
    date_hierarchy = 'created'

@admin.register(CustomDesign)
class CustomDesignAdmin(admin.ModelAdmin):
    list_display = ['product', 'customer', 'status', 'created']
    list_filter = ['status', 'created']
    search_fields = ['product__name', 'customer__username']
    date_hierarchy = 'created'

@admin.register(DesignTemplate)
class DesignTemplateAdmin(admin.ModelAdmin):
    list_display = ['name', 'created_at']
    search_fields = ['name', 'description']

@admin.register(CustomerDesign)
class CustomerDesignAdmin(admin.ModelAdmin):
    list_display = ['user', 'name', 'created_at']
    search_fields = ['user__username', 'name']
    date_hierarchy = 'created_at'

class OrderProgressInline(admin.TabularInline):
    model = OrderProgress
    extra = 1

@admin.register(Order)
class OrderAdmin(admin.ModelAdmin):
    list_display = ['id', 'user', 'product', 'status', 'payment_method', 'total_price', 'created_at']
    list_filter = ['status', 'payment_method', 'created_at']
    search_fields = ['user__username', 'product__name']
    inlines = [OrderProgressInline]
    date_hierarchy = 'created_at'

class CartItemInline(admin.TabularInline):
    model = CartItem
    extra = 1

@admin.register(Cart)
class CartAdmin(admin.ModelAdmin):
    list_display = ['user', 'created_at', 'updated_at']
    search_fields = ['user__username']
    inlines = [CartItemInline]
    date_hierarchy = 'created_at'

@admin.register(ShippingAddress)
class ShippingAddressAdmin(admin.ModelAdmin):
    list_display = ['user', 'first_name', 'last_name', 'city', 'country']
    list_filter = ['country']
    search_fields = ['user__username', 'first_name', 'last_name', 'city']

@admin.register(Checkout)
class CheckoutAdmin(admin.ModelAdmin):
    list_display = ['user', 'status', 'payment_method', 'created_at']
    list_filter = ['status', 'payment_method']
    search_fields = ['user__username']
    date_hierarchy = 'created_at'

@admin.register(PayPalPayment)
class PayPalPaymentAdmin(admin.ModelAdmin):
    list_display = ['order', 'payment_id', 'status', 'amount', 'currency', 'created_at']
    list_filter = ['status', 'currency']
    search_fields = ['payment_id', 'order__id']
    date_hierarchy = 'created_at'

@admin.register(PaymentError)
class PaymentErrorAdmin(admin.ModelAdmin):
    list_display = ['order', 'error_code', 'created_at']
    search_fields = ['order__id', 'error_code', 'error_message']
    date_hierarchy = 'created_at'

@admin.register(FursuitGallery)
class FursuitGalleryAdmin(admin.ModelAdmin):
    list_display = ['name', 'created_at']
    search_fields = ['name', 'description']
    prepopulated_fields = {'slug': ('name',)}

class GalleryImageInline(admin.TabularInline):
    model = GalleryImage
    extra = 1

@admin.register(GalleryImage)
class GalleryImageAdmin(admin.ModelAdmin):
    list_display = ['gallery', 'title', 'order']
    list_filter = ['gallery']
    search_fields = ['gallery__name', 'title']