"use client"

import { createContext, useContext } from "react"

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

import type { BookingFlowConfig } from "./bookingFlowConfig"

type BookingFlowConfigContextData = BookingFlowConfig

const BookingFlowConfigContext = createContext<
  BookingFlowConfigContextData | undefined
>(undefined)

export const useBookingFlowConfig = (): BookingFlowConfigContextData => {
  const context = useContext(BookingFlowConfigContext)

  if (!context) {
    throw new Error(
      "useBookingFlowConfig must be used within a BookingFlowConfigContextProvider. Did you forget to use BookingFlowConfig in the consuming app?"
    )
  }

  return context
}

export const useGetPointsCurrency = () => {
  const config = useBookingFlowConfig()

  switch (config.variant) {
    case "scandic":
      return CurrencyEnum.POINTS
    case "partner-sas":
      return CurrencyEnum.EUROBONUS
    default:
      const _exhaustiveCheck: never = config.variant
      throw new Error(`Unknown variant: ${config.variant}`)
  }
}

export function BookingFlowConfigContextProvider({
  children,
  config,
}: {
  children: React.ReactNode
  config: BookingFlowConfig
}) {
  return (
    <BookingFlowConfigContext.Provider value={config}>
      {children}
    </BookingFlowConfigContext.Provider>
  )
}