import { calculateOrderIncome } from "@/lib/domain/income"
import { describe, expect, it } from "vitest"

describe("calculateOrderIncome", () => {
  it("calculates percentage commission income", () => {
    const result = calculateOrderIncome(100, {
      commissionType: "percentage",
      commissionValue: 12,
    })

    expect(result).toEqual({
      income: 88,
      commissionLabel: "扣除12%抽成",
    })
  })

  it("calculates fixed commission income", () => {
    const result = calculateOrderIncome(60, {
      commissionType: "fixed",
      commissionValue: 8,
    })

    expect(result).toEqual({
      income: 52,
      commissionLabel: "扣除¥8固定抽成",
    })
  })

  it("keeps full income for independent orders", () => {
    const result = calculateOrderIncome(90)

    expect(result).toEqual({
      income: 90,
      commissionLabel: "独立接单无抽成",
    })
  })

  it("does not return negative income for fixed commission", () => {
    const result = calculateOrderIncome(6, {
      commissionType: "fixed",
      commissionValue: 8,
    })

    expect(result.income).toBe(0)
  })
})