import { z } from "zod";

export enum DiscountType {
  PERCENTAGE = "PERCENTAGE",
  FIXED = "FIXED",
}

export const couponModel = z.object({
  id: z.number().optional(),
  code: z.string().min(3).max(32),
  description: z.string().optional().nullable(),
  discountType: z.nativeEnum(DiscountType),
  discountValue: z.coerce.number().positive(),
  maxUsageCount: z.coerce.number().int().positive().optional().nullable(),
  currentUsageCount: z.coerce.number().int().nonnegative().default(0),
  minOrderValue: z.coerce.number().nonnegative().optional().nullable(),
  maxDiscountAmount: z.coerce.number().positive().optional().nullable(),
  startDate: z.coerce.string(),
  endDate: z.coerce.string().optional().nullable(),
  isActive: z.boolean().default(true),
  createdAt: z.coerce.string().optional(),
  updatedAt: z.coerce.string().optional(),
  createdBy: z.coerce.string().optional().nullable(),
});

export type CouponModel = z.infer<typeof couponModel>;

export const createCouponPayload = couponModel.omit({
  id: true,
  currentUsageCount: true,
  createdAt: true,
  updatedAt: true,
});

export type CreateCouponPayload = z.infer<typeof createCouponPayload>;

export const updateCouponPayload = createCouponPayload.partial().extend({
  id: z.number(),
});

export type UpdateCouponPayload = z.infer<typeof updateCouponPayload>;