import { parsePhoneNumberFromString } from "libphonenumber-js"

import { logger } from "@scandic-hotels/common/logger"

import { detailsStorageName } from "."

import type { User } from "@scandic-hotels/trpc/types/user"

import type { PersistedState, RoomState } from "./types"

export function extractGuestFromUser(user: User) {
  let phoneNumberCC = ""
  if (user.phoneNumber) {
    const parsedPhoneNumber = parsePhoneNumberFromString(user.phoneNumber)
    if (parsedPhoneNumber?.country) {
      phoneNumberCC = parsedPhoneNumber.country.toLowerCase()
    }
  }
  return {
    countryCode: user.address?.countryCode?.toString(),
    email: user.email,
    firstName: user.firstName,
    lastName: user.lastName,
    join: false,
    membershipNo: user.membership?.membershipNumber,
    phoneNumber: user.phoneNumber ?? "",
    phoneNumberCC,
  }
}

export const checkRoomProgress = (steps: RoomState["steps"]) => {
  return Object.values(steps)
    .filter(Boolean)
    .every((step) => step.isValid)
}

export function readFromSessionStorage(): PersistedState | undefined {
  if (typeof window === "undefined") {
    return undefined
  }

  try {
    const storedData = sessionStorage.getItem(detailsStorageName)
    if (!storedData) {
      return undefined
    }

    const parsedData = JSON.parse(storedData) as PersistedState

    if (!parsedData.booking || !parsedData.rooms) {
      return undefined
    }

    return parsedData
  } catch (error) {
    logger.error("Error reading from session storage:", error)
    return undefined
  }
}

export function writeToSessionStorage(state: PersistedState) {
  if (typeof window === "undefined") {
    return
  }

  try {
    sessionStorage.setItem(detailsStorageName, JSON.stringify(state))
  } catch (error) {
    logger.error("Error writing to session storage:", error)
  }
}

export function clearSessionStorage() {
  if (typeof window === "undefined") {
    return
  }
  sessionStorage.removeItem(detailsStorageName)
}