import { db } from "@pkg/db";
import { CouponRepository } from "./repository";
import type { CreateCouponPayload, UpdateCouponPayload } from "./data";
import type { UserModel } from "@pkg/logic/domains/user/data/entities";

export class CouponUseCases {
  private repo: CouponRepository;

  constructor(repo: CouponRepository) {
    this.repo = repo;
  }

  async getAllCoupons() {
    return this.repo.getAllCoupons();
  }

  async getCouponById(id: number) {
    return this.repo.getCouponById(id);
  }

  async createCoupon(currentUser: UserModel, payload: CreateCouponPayload) {
    // Set the current user as the creator
    const payloadWithUser = {
      ...payload,
      createdBy: currentUser.id,
    };
    return this.repo.createCoupon(payloadWithUser);
  }

  async updateCoupon(payload: UpdateCouponPayload) {
    return this.repo.updateCoupon(payload);
  }

  async deleteCoupon(id: number) {
    return this.repo.deleteCoupon(id);
  }

  async toggleCouponStatus(id: number, isActive: boolean) {
    return this.repo.toggleCouponStatus(id, isActive);
  }

  async getActiveCoupons() {
    return this.repo.getActiveCoupons();
  }
}

export function getCouponUseCases() {
  return new CouponUseCases(new CouponRepository(db));
}