export type PromotionType = 'percent' | 'fixed_amount';

export interface Promotion {
  code: string;
  type: PromotionType;
  value: number;
  startsAt: Date;
  endsAt: Date;
  usageLimit: number | null;
  usageCount: number;
  active: boolean;
  createdAt: Date;
  updatedAt: Date;
}

export interface NewPromotion {
  code: string;
  type: PromotionType;
  value: number;
  startsAt: Date;
  endsAt: Date;
  usageLimit?: number | null;
  active?: boolean;
}

export interface PromotionDiscount {
  code: string;
  type: PromotionType;
  discountCents: number;
}