from django.contrib import admin
from .models import Coupon


class CouponAdmin(admin.ModelAdmin):
    list_display = (
        "id",
        "title",
        "coupon_id",
        "coupon_code",
        "discount_amount",
        "discount_percentage",
        "valid_from",
        "valid_to",
        "max_redeems",
        "no_of_redeems",
        "is_active",
    )
    search_fields = ("title", "coupon_code")
    list_filter = ("valid_from", "valid_to", "max_redeems")
    readonly_fields = ("no_of_redeems",)

    fieldsets = (
        (
            None,
            {"fields": ("title", "coupon_code", "coupon_id", "description", "image")},
        ),
        (
            "Discount Information",
            {"fields": ("discount_amount", "discount_percentage")},
        ),
        ("Validity", {"fields": ("valid_from", "valid_to")}),
        ("Redemption", {"fields": ("max_redeems", "no_of_redeems")}),
    )

    def is_active(self, obj):
        return obj.is_valid()


admin.site.register(Coupon, CouponAdmin)