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import { useEffect } from 'react'

import { useRouter } from 'next/router'

import { useLanguages } from '@/languages/components/LanguagesContext'

import Cookies from '@/frame/components/lib/cookies'

import { USER_LANGUAGE_COOKIE_NAME } from '@/frame/lib/constants'

export function ClientSideLanguageRedirect() {

const { locale, asPath, replace } = useRouter()

const { languages } = useLanguages()

const availableLanguageKeys = new Set(Object.keys(languages))

useEffect(() => {

const cookieValue = Cookies.get(USER_LANGUAGE_COOKIE_NAME)

if (cookieValue && cookieValue !== locale && availableLanguageKeys.has(cookieValue)) {

const newPath = `/${cookieValue}${asPath}`

replace(newPath, undefined, { locale: cookieValue })

}

}, [locale, availableLanguageKeys, asPath])

return null

}