from django.contrib import admin
from .models import Product, Color, Size, Order, OrderItem, GuestUser, Coupon, CouponUsage
from django.utils.html import format_html

@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
    list_display = ("title", "ordering_value", "price", "cut")

@admin.register(Color)
class ColorAdmin(admin.ModelAdmin):
    list_display = ("color_preview", "name", "ordering", "colorHex", "secondary_hex_color")
    list_editable = ("ordering",)
    ordering = ["ordering"]
    search_fields = ["name"]
    list_per_page = 20

    def color_preview(self, obj):
        if obj.secondary_hex_color:
            return format_html(
                '<div style="background-image: linear-gradient(to right, {} 50%, {} 50%); '
                'width: 60px; height: 30px; border-radius: 15px; border: 1px solid #ddd;"></div>',
                obj.colorHex, obj.secondary_hex_color
            )
        return format_html(
            '<div style="background-color: {}; width: 60px; height: 30px; '
            'border-radius: 15px; border: 1px solid #ddd;"></div>',
            obj.colorHex
        )

@admin.register(Size)
class SizeAdmin(admin.ModelAdmin):
    list_display = ("name",)

class OrderItemInline(admin.TabularInline):
    model = OrderItem
    extra = 0
    readonly_fields = ('product', 'quantity', 'color', 'size', 'price')

@admin.register(Order)
class OrderAdmin(admin.ModelAdmin):
    list_display = ('id', 'date_ordered', 'status', 'total_price')
    inlines = [OrderItemInline]

class GuestUserOrderInline(admin.TabularInline):
    model = Order
    extra = 0
    readonly_fields = ('date_ordered', 'total_price')
    can_delete = False
    show_change_link = True
    exclude = ('user',)  # Exclude the user field from the inline display

@admin.register(GuestUser)
class GuestUserAdmin(admin.ModelAdmin):
    list_display = ('email', 'phone')
    inlines = [GuestUserOrderInline]

@admin.register(Coupon)
class CouponAdmin(admin.ModelAdmin):
    list_display = ('code', 'discount_amount', 'discount_percent', 'is_active',
                   'valid_from', 'valid_to', 'current_uses', 'max_uses')
    list_filter = ('is_active', 'valid_from', 'valid_to')
    search_fields = ('code', 'description')
    readonly_fields = ('current_uses', 'created_at', 'stripe_coupon_id')
    fieldsets = (
        ('Basic Information', {
            'fields': ('code', 'description', 'is_active')
        }),
        ('Discount', {
            'fields': ('discount_amount', 'discount_percent')
        }),
        ('Validity', {
            'fields': ('valid_from', 'valid_to', 'max_uses', 'current_uses')
        }),
        ('Stripe Information', {
            'fields': ('stripe_coupon_id',),
            'classes': ('collapse',)
        }),
    )

@admin.register(CouponUsage)
class CouponUsageAdmin(admin.ModelAdmin):
    list_display = ('coupon', 'user', 'guest_email', 'order', 'used_at')
    list_filter = ('used_at',)
    search_fields = ('coupon__code', 'user__username', 'user__email', 'guest_email')
    readonly_fields = ('used_at',)