import Keycloak from 'keycloak-js'

let keycloak: Keycloak | null = null

export const initKeycloak = async (): Promise<Keycloak> => {
  keycloak = new Keycloak({
    url: 'https://terminus.bluelake.cloud/',
    realm: 'dalex-immo-dev',
    clientId: 'dalex-proto'
  })

  try {
    const authenticated = await keycloak.init({
      onLoad: 'login-required',
      checkLoginIframe: false
    })

    if (!authenticated) {
      window.location.reload()
    }

    // Token refresh
    setInterval(() => {
      keycloak?.updateToken(70).catch(() => {
        console.error('Failed to refresh token')
        keycloak?.login()
      })
    }, 60000)

    return keycloak
  } catch (error) {
    console.error('Failed to initialize Keycloak', error)
    throw error
  }
}

export const getKeycloak = (): Keycloak | null => {
  return keycloak
}

export const getToken = (): string | undefined => {
  return keycloak?.token
}

export const logout = (): void => {
  keycloak?.logout()
}