Interface AdminDiscountCode

interface AdminDiscountCode {
    id: number;
    code: string;
    name: string;
    discount_type: "percentage" | "fixed_amount" | "free_shipping";
    value: string;
    minimum_order_amount: string;
    maximum_discount_amount: string | null;
    usage_limit: number | null;
    usage_count: number;
    valid_from: string;
    valid_until: string | null;
    is_active: boolean;
    applies_to_products: number[];
    applies_to_categories: number[];
    is_valid: boolean;
    created_at: string;
    updated_at: string;
}