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

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

import { getAdditionalPrice, getRedemptionPrice } from "./helpers"

type GetAdditionalPriceParams = Parameters<typeof getAdditionalPrice>
describe("getAdditionalPrice", () => {
  it("should calculate additional price correctly with only additional price", () => {
    const total: GetAdditionalPriceParams[0] = {
      local: {
        additionalPrice: 0,
        additionalPriceCurrency: CurrencyEnum.CC,
      },
    }
    const adults = 1
    const nights = 1
    const breakfast = undefined
    const packages = undefined
    const additionalPrice = 100
    const additionalPriceCurrency = CurrencyEnum.SEK

    getAdditionalPrice(
      total,
      adults,
      breakfast,
      nights,
      packages,
      additionalPrice,
      additionalPriceCurrency
    )

    expect(total.local.additionalPrice).toBe(100)
  })

  it("should set additional price currency correctly when missing in total", () => {
    const total: GetAdditionalPriceParams[0] = {
      local: {
        additionalPrice: 0,
      },
    }
    const adults = 1
    const nights = 1
    const breakfast = undefined
    const packages = undefined
    const additionalPrice = 100
    const additionalPriceCurrency = CurrencyEnum.SEK

    getAdditionalPrice(
      total,
      adults,
      breakfast,
      nights,
      packages,
      additionalPrice,
      additionalPriceCurrency
    )

    expect(total.local.additionalPriceCurrency).toBe(CurrencyEnum.SEK)
  })

  it("should calculate price correctly with breakfast", () => {
    const total: GetAdditionalPriceParams[0] = {
      local: {
        additionalPrice: 0,
      },
    }
    const adults = 2
    const nights = 2
    const breakfast = { localPrice: { price: 50, currency: CurrencyEnum.SEK } }
    const packages: never[] = []

    getAdditionalPrice(total, adults, breakfast, nights, packages)

    expect(total.local.additionalPrice).toBe(200)
  })

  it("should calculate price correctly with packages", () => {
    const total: GetAdditionalPriceParams[0] = {
      local: {
        additionalPrice: 0,
      },
    }
    const adults = 2
    const nights = 2
    const breakfast = undefined
    const packages = [
      {
        localPrice: { totalPrice: 50, currency: CurrencyEnum.SEK },
      },
      {
        localPrice: { totalPrice: 25, currency: CurrencyEnum.SEK },
      },
    ]

    getAdditionalPrice(total, adults, breakfast, nights, packages)

    expect(total.local.additionalPrice).toBe(75)
  })

  it("should calculate price correctly with breakfast, packages and additionalPrice", () => {
    const total: GetAdditionalPriceParams[0] = {
      local: {
        additionalPrice: 0,
      },
    }
    const adults = 2
    const nights = 2
    const breakfast = { localPrice: { price: 50, currency: CurrencyEnum.SEK } }
    const packages = [
      {
        localPrice: { totalPrice: 50, currency: CurrencyEnum.SEK },
      },
      {
        localPrice: { totalPrice: 25, currency: CurrencyEnum.SEK },
      },
    ]
    const additionalPrice = 33
    const additionalPriceCurrency = CurrencyEnum.SEK

    getAdditionalPrice(
      total,
      adults,
      breakfast,
      nights,
      packages,
      additionalPrice,
      additionalPriceCurrency
    )

    expect(total.local.additionalPrice).toBe(308)
  })
})

describe("getRedemptionPrice", () => {
  it("returns price 0 and default currency when rooms are empty", () => {
    const result = getRedemptionPrice([], 1)

    expect(result).toEqual({
      local: { price: 0, currency: CurrencyEnum.POINTS },
      requested: undefined,
    })
  })

  it("returns price 0 and set currency when rooms are empty", () => {
    const result = getRedemptionPrice([], 1, CurrencyEnum.EUROBONUS)

    expect(result).toEqual({
      local: { price: 0, currency: CurrencyEnum.EUROBONUS },
      requested: undefined,
    })
  })

  it("returns price for single room with redemption price", () => {
    const nights = 1
    const result = getRedemptionPrice(
      [
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            redemption: {
              localPrice: {
                pointsPerStay: 100,
                currency: CurrencyEnum.POINTS,
                additionalPricePerStay: 0,
              },
            },
          },
        },
      ],
      nights
    )

    expect(result).toEqual({
      local: {
        price: 100,
        currency: CurrencyEnum.POINTS,
        additionalPrice: 0,
        additionalPriceCurrency: CurrencyEnum.POINTS,
      },
      requested: undefined,
    })
  })

  it("returns price for single room with multiple nights", () => {
    const nights = 3
    const result = getRedemptionPrice(
      [
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            redemption: {
              localPrice: {
                pointsPerStay: 100,
                currency: CurrencyEnum.POINTS,
                additionalPricePerStay: 0,
              },
            },
          },
        },
      ],
      nights
    )

    expect(result).toEqual({
      local: {
        price: 100,
        currency: CurrencyEnum.POINTS,
        additionalPrice: 0,
        additionalPriceCurrency: CurrencyEnum.POINTS,
      },
      requested: undefined,
    })
  })

  it("returns price for multiple rooms with multiple nights", () => {
    const nights = 3
    const result = getRedemptionPrice(
      [
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            redemption: {
              localPrice: {
                pointsPerStay: 100,
                currency: CurrencyEnum.POINTS,
                additionalPricePerStay: 0,
              },
            },
          },
        },
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            redemption: {
              localPrice: {
                pointsPerStay: 150,
                currency: CurrencyEnum.POINTS,
                additionalPricePerStay: 0,
              },
            },
          },
        },
      ],
      nights
    )

    expect(result).toEqual({
      local: {
        price: 250,
        currency: CurrencyEnum.POINTS,
        additionalPrice: 0,
        additionalPriceCurrency: CurrencyEnum.POINTS,
      },
      requested: undefined,
    })
  })

  it("does not return price for room without redemption", () => {
    const nights = 3
    const result = getRedemptionPrice(
      [
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            public: {
              price: 150,
            },
          },
        },
        {
          adults: 1,
          breakfast: false,
          roomFeatures: [],
          roomRate: {
            redemption: {
              localPrice: {
                pointsPerStay: 150,
                currency: CurrencyEnum.POINTS,
                additionalPricePerStay: 0,
              },
            },
          },
        },
      ],
      nights
    )

    expect(result).toEqual({
      local: {
        price: 150,
        currency: CurrencyEnum.POINTS,
        additionalPrice: 0,
        additionalPriceCurrency: CurrencyEnum.POINTS,
      },
      requested: undefined,
    })
  })
})