package com.example.ozan.chatapp;

import android.app.ProgressDialog;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

import java.util.HashMap;
import java.util.Map;

public class RegisterActivity extends AppCompatActivity {

    private static final String TAG = "RegisterActivity";

    private TextInputLayout mUsername;
    private TextInputLayout mEmail;
    private TextInputLayout mPassword;
    private FirebaseAuth mAuth;
    private Toolbar toolbar;
    private ProgressDialog mprogressDialog;
    private DatabaseReference database;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);


        mUsername = findViewById(R.id.register_username);
        mEmail = findViewById(R.id.login_email);
        mPassword = findViewById(R.id.login_password);
        mprogressDialog = new ProgressDialog(this);

        mAuth = FirebaseAuth.getInstance();

        toolbar = findViewById(R.id.login_toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setTitle("Registrieren");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    }


    public void onClickRegistrieren(View view){

        Log.d(TAG, "onClickRegistrieren: Button gedrückt");

         final String username = mUsername.getEditText().getText().toString();
        String email = mEmail.getEditText().getText().toString();
        String password = mPassword.getEditText().getText().toString();

        if(validateData(username, email, password)) {
            mprogressDialog.setTitle("Registrierung");
            mprogressDialog.setMessage("Bitte warte, solange wir deinen Account erstellen :)");
            mprogressDialog.setCanceledOnTouchOutside(false);
            mprogressDialog.show();

            mAuth.createUserWithEmailAndPassword(email, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                @Override
                public void onComplete(@NonNull Task<AuthResult> task) {
                    if (task.isSuccessful()) {
                        FirebaseUser  user = FirebaseAuth.getInstance().getCurrentUser();
                        String userid = user.getUid();

                        database = FirebaseDatabase.getInstance().getReference().child("users").child(userid);

                        HashMap<String, String> map = new HashMap<>();
                        map.put("name", username);
                        map.put("status", "Status");
                        map.put("image", "default");
                        map.put("thumb_image", "default");

                        database.setValue(map).addOnCompleteListener(new OnCompleteListener<Void>() {
                            @Override
                            public void onComplete(@NonNull Task<Void> task) {
                                if(task.isSuccessful()) {
                                    mprogressDialog.dismiss();
                                    Toast.makeText(RegisterActivity.this, "User wurde registriert!", Toast.LENGTH_SHORT).show();
                                    Intent intent = new Intent(RegisterActivity.this, MainActivity.class);
                                    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
                                    startActivity(intent);
                                    finish();
                                }

                            }
                        });

                    } else {
                        mprogressDialog.hide();
                        Log.d(TAG, "onComplete: " + task.getException());
                        Toast.makeText(RegisterActivity.this, "User konnte nicht registriert werden!", Toast.LENGTH_SHORT).show();
                    }
                }
            });
        }

    }



    private boolean validateEmail(String email){
        if(email.isEmpty()){
            mEmail.setError("Bitte Email eintragen");
            return false;
         }
         mEmail.setError(null);
         return true;
    }



    private boolean validateUsername(String username){
        if(username.isEmpty()){
            mUsername.setError("Bitte Username eintragen");
            return false;
        }

        mUsername.setError(null);
        return true;
    }



    private boolean validatePassword(String password){
        if(password.isEmpty()){
            mPassword.setError("Bitte Passwort eintragen");
            return false;
        }
        mPassword.setError(null);
        return true;
    }

    private boolean validateData(String username, String email, String password){
        return validateUsername(username) & validateEmail(email) & validatePassword(password);
    }


}