package com.example.domo

import android.util.Log
import com.google.firebase.firestore.FirebaseFirestore

class UserServices
{

    private val context=FirebaseFirestore.getInstance()
    private val userDB = context.collection("users")

    fun addToDB(user: User) {
        val userRef=HashMap<String,Any>()
        userRef["uid"]       = user.uid
        userRef["email"]     = user.email
        userRef["username"]  = user.username
        userRef["friendsID"] = user.friendsId
        userRef["eventsID"]  = user.eventsId

        context.collection("users").document(user.uid).set(user)
    }
    fun updateUser(user:User)
    {
        userDB.document(user.uid).set(user)
    }

    fun getUserById(uid : String): User? {
        val userRef=userDB.document(uid).get()
        ///TODO : Find another way to make this work

        while(!userRef.isComplete)
        {
            continue
        }
        if(userRef.isSuccessful)
        {
            return User(userRef.result)
        }
        else
        {
            return null
        }


    }
    fun addFriend(uid1: String,uid2:String) {
        //TODO : Make this work
        if (uid1 != uid2) {
            val user1 = getUserById(uid1)
            val user2 = getUserById(uid2)
            if(!user1?.friendsId?.contains(uid2)!!) {
                if (user2 != null) {
                    user1.friendsId.add(uid2)
                    user2.friendsId.add(uid1)
                    Log.d("[User Services]", "Users $uid1 and $uid2 became friends")
                    updateUser(user1)
                    updateUser(user2)
                }
            }
        }
        else
        {
            Log.d("[User Services]","Users $uid1 and $uid2 are already friends")

        }
    }


}