import { onAuthStateChanged, getAuth } from 'firebase/auth'
import { getDoc, doc, getFirestore } from 'firebase/firestore'

export const useUserStore = defineStore('user', () => {
  const db = getFirestore()
  const route = useRoute()

  const auth = ref(null)
  auth.value = getAuth()
  
  const user = ref(null)
  const isAuthenticated = ref(false)
  const userData = ref(false)
  const userPersons = ref([])
  const userLoaded = ref(false)
  const registrationToken = ref('')
  const userAllPersons = ref([])

  const init = () => {
    onAuthStateChanged(auth.value, async (usr) => {
      if (usr) {
        user.value = usr

        let docRef = doc(db, "users", user.value.uid);
        let docSnap = await getDoc(docRef);

        if (docSnap.exists()) {
          const data = docSnap.data()
          userData.value = data
          getPersons(userData.value.relatiecodes)
        } else {
          setTimeout(() => window.location.reload(true), 1000)
        }

        if (!userData.value.sendNews && route.path === '/news/newmessage') navigateTo('/')
        if (!userData.value.admin && route.path.startsWith('/settings/admin')) navigateTo('/')

        isAuthenticated.value = true

        setupNotifications()

      } else {
        isAuthenticated.value = false
        user.value = null
        userData.value = null
        userPersons.value = []
      }

      userLoaded.value = true
    })
  }

  const getPersons = async (persons) => {
    userPersons.value = [];

    for (let i = 0; i < persons.length; i++) {
      const docRef = doc(db, "ledenlijst", persons[i]);
      const docSnap = await getDoc(docRef);

      if (docSnap.exists()) {
        userPersons.value.push(docSnap.data())
      }
    }
  }

  const getAllPersons = async () => {
    if (userPersons.value.length === 0) return setTimeout(() => getAllPersons(), 50)

    const idToken = await auth.value.currentUser.getIdToken(true)

    const { data: response, error } = await useFetch('/api/getrelatiecodes', {
      method: 'post',
      body: { email: user.value.email, token: idToken } 
    })

    if (error.value) {
      console.log(error.value)
      return toast.error('Error tijdens het krijgen van relateicodes')
    }

    response.value.persons.forEach(person => {
      if (userPersons.value.map(a => a.relatiecode).includes(person.relatiecode)) {
        person.checked = true
      } else {
        person.checked = false
      }
    }) 

    userAllPersons.value = response.value.persons
  }

  return { init, auth, isAuthenticated, userData, userPersons, userAllPersons, getAllPersons, registrationToken, getPersons, userLoaded, user }
})