import { describe, expect, it } from 'vitest';
import { DEFAULT_XFX_LOGISTICS_PRICING } from '@dukang/shared-types';
import { calcDeliveryFreightAmount } from './delivery-freight.util';

describe('calcDeliveryFreightAmount', () => {
  it('瓶装按小飞侠默认计价：2瓶6元', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 2,
        bottlesPerUnit: 1,
        deliveryType: 'LOCAL',
        provider: 'XFX',
      }),
    ).toBe(6);
  });

  it('箱装先换算瓶数：1箱6瓶=14元', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 1,
        bottlesPerUnit: 6,
        deliveryType: 'LOCAL',
        provider: 'XFX',
      }),
    ).toBe(14);
  });

  it('现场提货不计运费', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 2,
        bottlesPerUnit: 1,
        deliveryType: 'ON_SITE_PICKUP',
        provider: 'XFX',
      }),
    ).toBeNull();
  });

  it('无承运商计价时返回 null；有自定义规则则用之', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 2,
        bottlesPerUnit: 1,
        deliveryType: 'CROSS_CITY',
        provider: 'LOGISTICS',
      }),
    ).toBeNull();

    expect(
      calcDeliveryFreightAmount({
        quantity: 2,
        bottlesPerUnit: 1,
        deliveryType: 'CROSS_CITY',
        provider: 'LOGISTICS',
        pricing: { ...DEFAULT_XFX_LOGISTICS_PRICING },
      }),
    ).toBe(6);
  });

  it('同城即使 provider=MANUAL 也按小飞侠默认计价', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 2,
        bottlesPerUnit: 1,
        deliveryType: 'LOCAL',
        provider: 'MANUAL',
      }),
    ).toBe(6);
  });

  it('城市小飞侠编码 ZZXFX 使用默认计价', () => {
    expect(
      calcDeliveryFreightAmount({
        quantity: 4,
        bottlesPerUnit: 1,
        deliveryType: 'LOCAL',
        provider: 'MANUAL',
        providerCode: 'ZZXFX',
      }),
    ).toBe(10);
  });
});