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

import { Lang } from "@scandic-hotels/common/constants/language"
import { PaymentMethodEnum } from "@scandic-hotels/common/constants/paymentMethod"

import {
  getPaymentData,
  getPaymentMethod,
  mustGuaranteeBooking,
} from "./helpers"

const buildRoom = (
  overrides: Partial<{
    memberMustBeGuaranteed: boolean
    mustBeGuaranteed: boolean
    guest: { join: boolean; membershipNo?: string }
  }> = {}
) => ({
  room: {
    memberMustBeGuaranteed: false,
    mustBeGuaranteed: false,
    guest: { join: false, membershipNo: undefined },
    ...overrides,
  },
})

describe("mustGuaranteeBooking", () => {
  it("returns true when the first room requires a member guarantee for a logged-in user", () => {
    const rooms = [
      buildRoom({
        memberMustBeGuaranteed: true,
        mustBeGuaranteed: false,
      }),
    ]

    const booking = { rooms: [{}] }

    expect(
      mustGuaranteeBooking({
        isUserLoggedIn: true,
        booking,
        rooms,
      })
    ).toBe(true)
  })

  it("returns memberMustBeGuaranteed when guest has membership details and counter rate code", () => {
    const rooms = [
      buildRoom(),
      buildRoom({
        memberMustBeGuaranteed: true,
        guest: { join: true },
      }),
    ]

    const booking = { rooms: [{}, { counterRateCode: "COUNTER" }] }

    expect(
      mustGuaranteeBooking({
        isUserLoggedIn: false,
        booking,
        rooms,
      })
    ).toBe(true)
  })

  it("returns false when member condition is not met despite counter rate code", () => {
    const rooms = [
      buildRoom(),
      buildRoom({
        memberMustBeGuaranteed: false,
        guest: { join: true },
      }),
    ]

    const booking = { rooms: [{}, { counterRateCode: "COUNTER" }] }

    expect(
      mustGuaranteeBooking({
        isUserLoggedIn: false,
        booking,
        rooms,
      })
    ).toBe(false)
  })

  it("falls back to mustBeGuaranteed when no member-specific rules apply", () => {
    const rooms = [
      buildRoom({
        memberMustBeGuaranteed: false,
        mustBeGuaranteed: true,
      }),
    ]

    const booking = { rooms: [{}] }

    expect(
      mustGuaranteeBooking({
        isUserLoggedIn: false,
        booking,
        rooms,
      })
    ).toBe(true)
  })
})

describe("getPaymentData", () => {
  it("returns correct URLs and method when guarantee is true", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.swish,
      lang: Lang.en,
      guarantee: true,
      bookingMustBeGuaranteed: false,
      hasOnlyFlexRates: true,
      isRedemptionBooking: false,
    })

    expect(result).toEqual({
      paymentMethod: PaymentMethodEnum.swish,
      success: `/en/hotelreservation/payment-callback/success`,
      error: `/en/hotelreservation/payment-callback/error`,
      cancel: `/en/hotelreservation/payment-callback/cancel`,
    })
  })

  it("returns correct URLs and method when bookingMustBeGuaranteed", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.swish,
      lang: Lang.en,
      guarantee: false,
      bookingMustBeGuaranteed: true,
      hasOnlyFlexRates: true,
      isRedemptionBooking: false,
    })

    expect(result).toEqual({
      paymentMethod: PaymentMethodEnum.swish,
      success: `/en/hotelreservation/payment-callback/success`,
      error: `/en/hotelreservation/payment-callback/error`,
      cancel: `/en/hotelreservation/payment-callback/cancel`,
    })
  })

  it("returns correct URLs and method when has only flex rates is false", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.swish,
      lang: Lang.en,
      guarantee: false,
      bookingMustBeGuaranteed: false,
      hasOnlyFlexRates: false,
      isRedemptionBooking: false,
    })

    expect(result).toEqual({
      paymentMethod: PaymentMethodEnum.swish,
      success: `/en/hotelreservation/payment-callback/success`,
      error: `/en/hotelreservation/payment-callback/error`,
      cancel: `/en/hotelreservation/payment-callback/cancel`,
    })
  })

  it("returns null when payment isn't required", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.swish,
      lang: Lang.en,
      guarantee: false,
      bookingMustBeGuaranteed: false,
      hasOnlyFlexRates: true,
      isRedemptionBooking: false,
    })

    expect(result).toBeNull()
  })

  it("returns saved credit card when provided", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.card,
      lang: Lang.en,
      guarantee: false,
      bookingMustBeGuaranteed: false,
      hasOnlyFlexRates: false,
      isRedemptionBooking: false,
      savedCreditCard: {
        alias: "My Visa",
        expirationDate: "12/25",
        cardType: "visa",
        id: "",
        type: "",
        truncatedNumber: "",
      },
    })

    expect(result).toEqual({
      paymentMethod: PaymentMethodEnum.card,
      success: `/en/hotelreservation/payment-callback/success`,
      error: `/en/hotelreservation/payment-callback/error`,
      cancel: `/en/hotelreservation/payment-callback/cancel`,
      card: {
        alias: "My Visa",
        expiryDate: "12/25",
        cardType: "visa",
      },
    })
  })

  it("returns correct URLs and method when isRedemptionBooking is true and type is PartnerPoints", () => {
    const result = getPaymentData({
      paymentMethod: PaymentMethodEnum.PartnerPoints,
      lang: Lang.en,
      guarantee: false,
      bookingMustBeGuaranteed: false,
      hasOnlyFlexRates: true,
      isRedemptionBooking: true,
    })

    expect(result).toEqual({
      paymentMethod: PaymentMethodEnum.PartnerPoints,
      success: `/en/hotelreservation/payment-callback/success`,
      error: `/en/hotelreservation/payment-callback/error`,
      cancel: `/en/hotelreservation/payment-callback/cancel`,
    })
  })
})

describe("getPaymentMethod", () => {
  it("returns card when hasFlexRates is true", () => {
    const hasFlexRates = true
    const isRedemptionBooking = false
    const redemptionType = "scandic"
    const method = getPaymentMethod({
      paymentMethod: PaymentMethodEnum.swish,
      hasFlexRates,
      isRedemptionBooking,
      redemptionType,
    })

    expect(method).toBe(PaymentMethodEnum.card)
  })

  it("returns PartnerPoints when is redemption and redemptionType is partner", () => {
    const hasFlexRates = false
    const isRedemptionBooking = true
    const redemptionType = "partner"
    const method = getPaymentMethod({
      paymentMethod: PaymentMethodEnum.swish,
      hasFlexRates,
      isRedemptionBooking,
      redemptionType,
    })

    expect(method).toBe(PaymentMethodEnum.PartnerPoints)
  })

  it("returns paymentMethod when not redemption but redemptionType is partner", () => {
    const hasFlexRates = false
    const isRedemptionBooking = false
    const redemptionType = "partner"
    const method = getPaymentMethod({
      paymentMethod: PaymentMethodEnum.swish,
      hasFlexRates,
      isRedemptionBooking,
      redemptionType,
    })

    expect(method).toBe(PaymentMethodEnum.swish)
  })

  it("returns card when payment method is string", () => {
    const hasFlexRates = false
    const isRedemptionBooking = false
    const redemptionType = "scandic"
    const method = getPaymentMethod({
      paymentMethod: "something-else",
      hasFlexRates,
      isRedemptionBooking,
      redemptionType,
    })

    expect(method).toBe(PaymentMethodEnum.card)
  })
})