website/tools/authentication/AuthenticationContext.tsx

import { createContext, useState, useEffect, useMemo, useContext } from 'react'
import { useTheme } from 'next-themes'
import setLanguage from 'next-translate/setLanguage'

import { Authentication, PagePropsWithAuthentication } from '.'
import { UserCurrent } from '../../models/User'

export interface AuthenticationValue {
  authentication: Authentication
  user: UserCurrent
}

const defaultAnthenticationContext: AuthenticationValue = {} as any
const AuthenticationContext = createContext<AuthenticationValue>(
  defaultAnthenticationContext
)

export const AuthenticationProvider: React.FC<PagePropsWithAuthentication> = (
  props
) => {
  const { setTheme } = useTheme()
  const [user] = useState<UserCurrent>(props.authentication.user)

  const authentication = useMemo(() => {
    return new Authentication(props.authentication.tokens)

    // eslint-disable-next-line react-hooks/exhaustive-deps -- We only want to run this memo once
  }, [])

  useEffect(() => {
    setLanguage(user.settings.language).catch(() => {})
    setTheme(user.settings.theme)
  }, [setTheme, user.settings.language, user.settings.theme])

  return (
    <AuthenticationContext.Provider value={{ authentication, user }}>
      {props.children}
    </AuthenticationContext.Provider>
  )
}

export const useAuthentication = (): AuthenticationValue => {
  return useContext(AuthenticationContext)
}