import { describe, expect, it } from "vitest"

import { CurrencyEnum } from "@scandic-hotels/common/constants/currency"

import { calculateRegularPrice } from "./calculateRegularPrice"

describe("calculateRegularPrice", () => {
  it("returns total if useMemberRate is true and missing regularMemberPrice", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: undefined,
      regularPublicPrice: { pricePerStay: 10 },
      useMemberRate: true,
    })
    expect(result).toEqual({
      local: { price: 1, currency: CurrencyEnum.SEK },
    })
  })

  it("returns total if useMemberRate is false and missing regularPublicPrice", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: { pricePerStay: 10 },
      regularPublicPrice: undefined,
      useMemberRate: false,
    })
    expect(result).toEqual({
      local: { price: 1, currency: CurrencyEnum.SEK },
    })
  })

  it("calculates regularPrice for regularPublicPrice", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: undefined,
      regularPublicPrice: { pricePerStay: 10 },
      useMemberRate: false,
    })
    expect(result).toEqual({
      local: { price: 1, regularPrice: 10, currency: CurrencyEnum.SEK },
    })
  })

  it("calculates regularPrice for regularPublicPrice with regularPricePerStay", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: undefined,
      regularPublicPrice: { pricePerStay: 10, regularPricePerStay: 20 },
      useMemberRate: false,
    })
    expect(result).toEqual({
      local: { price: 1, regularPrice: 20, currency: CurrencyEnum.SEK },
    })
  })

  it("calculates regularPrice for member with regularMemberPrice", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: { pricePerStay: 10 },
      regularPublicPrice: undefined,
      useMemberRate: true,
    })
    expect(result).toEqual({
      local: { price: 1, regularPrice: 10, currency: CurrencyEnum.SEK },
    })
  })

  it("calculates regularPrice for member with regularPublicPrice and regularMemberRate", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: { pricePerStay: 15 },
      regularPublicPrice: { pricePerStay: 10 },
      useMemberRate: true,
    })
    expect(result).toEqual({
      local: { price: 1, regularPrice: 10, currency: CurrencyEnum.SEK },
    })
  })

  it("calculates regularPrice for member with regularMemberRate with pricePerStay", () => {
    const result = calculateRegularPrice({
      total: {
        local: { price: 1, currency: CurrencyEnum.SEK },
      },
      regularMemberPrice: { pricePerStay: 15, regularPricePerStay: 20 },
      regularPublicPrice: undefined,
      useMemberRate: true,
    })
    expect(result).toEqual({
      local: { price: 1, regularPrice: 20, currency: CurrencyEnum.SEK },
    })
  })
})