import android.app.ProgressDialog
import android.databinding.DataBindingUtil
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.text.TextUtils
import android.view.View
import android.widget.Toast
import com.google.firebase.auth.FirebaseAuth
import com.nezspencer.testapp.databinding.ActivitySubBinding

class SubActivity : AppCompatActivity(), FirebaseAuth.AuthStateListener, View.OnClickListener{

    private lateinit var mAuth : FirebaseAuth
    private lateinit var progress : ProgressDialog
    private lateinit var binding : ActivitySubBinding
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = DataBindingUtil.setContentView(this, R.layout.activity_sub)
        progress = ProgressDialog(this)
        progress.setCanceledOnTouchOutside(false)
        progress.setCancelable(false)

        binding.btnSignin.setOnClickListener(this)
        binding.btnSignup.setOnClickListener(this)
        mAuth = FirebaseAuth.getInstance()

    }

    override fun onStart() {
        super.onStart()
        mAuth.addAuthStateListener(this)
    }

    override fun onStop() {
        super.onStop()
        mAuth.removeAuthStateListener(this)
    }

    override fun onAuthStateChanged(p0: FirebaseAuth) {
        if (progress.isShowing)
            progress.hide()

        if (p0.currentUser != null) {
            //do some UI magic
            Toast.makeText(this, "Auth successful", Toast.LENGTH_SHORT).show()
        }
        else {
            // also do some UI unauthenticated magic
            Toast.makeText(this, "Auth failed", Toast.LENGTH_SHORT).show()
        }
    }

    override fun onClick(p0: View?) {
        when(p0!!.id){
            R.id.btn_signup -> {
                val email = binding.etEmail.text.toString()
                val password = binding.etPwd.text.toString()
                if (!TextUtils.isEmpty(email) && !TextUtils.isEmpty(password))
                    signupUser(email, password)
            }
            R.id.btn_signin ->{
                val email = binding.etEmail.text.toString()
                val password = binding.etPwd.text.toString()
                if (!TextUtils.isEmpty(email) && !TextUtils.isEmpty(password))
                    signInUser(email, password)
            }
        }
    }

    private fun signupUser(email : String, password : String){
        if (!progress.isShowing)
            progress.show()
        mAuth.createUserWithEmailAndPassword(email, password)
    }



    private fun signInUser(email : String, password: String) {
        if (!progress.isShowing)
            progress.show()
        mAuth.signInWithEmailAndPassword(email, password)
    }
}