web/apps/scandic-web/components/HotelReservation/MyStay/stores/myStayTotalPrice.ts

import { create } from "zustand"

interface RoomPrice {
  id: string
  totalPrice: number
  currencyCode: string
  isMainBooking?: boolean
}

interface MyStayTotalPriceState {
  rooms: RoomPrice[]
  totalPrice: number
  currencyCode: string

  // Add a single room price
  addRoomPrice: (room: RoomPrice) => void

  // Get the calculated total
  getTotalPrice: () => number
}

export const useMyStayTotalPriceStore = create<MyStayTotalPriceState>(
  (set, get) => ({
    rooms: [],
    totalPrice: 0,
    currencyCode: "",

    addRoomPrice: (room) => {
      set((state) => {
        // Check if room with this ID already exists
        const existingIndex = state.rooms.findIndex((r) => r.id === room.id)
        let newRooms = [...state.rooms]

        if (existingIndex >= 0) {
          // Update existing room
          newRooms[existingIndex] = room
        } else {
          // Add new room
          newRooms.push(room)
        }

        // Get currency from main booking or first room
        const mainRoom = newRooms.find((r) => r.isMainBooking) || newRooms[0]
        const currencyCode = mainRoom?.currencyCode || ""

        // Calculate total (only same currency for now)
        const total = newRooms.reduce((sum, r) => {
          if (r.currencyCode === currencyCode) {
            return sum + r.totalPrice
          }
          return sum
        }, 0)

        return {
          rooms: newRooms,
          totalPrice: total,
          currencyCode,
        }
      })
    },

    getTotalPrice: () => {
      return get().totalPrice
    },
  })
)