package com.giviews.giviewsmessenger;



import android.app.ProgressDialog;

import android.content.Intent;

import android.support.annotation.NonNull;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.support.v7.widget.Toolbar;

import android.text.TextUtils;

import android.util.Log;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

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.FirebaseAuthInvalidCredentialsException;

import com.google.firebase.auth.FirebaseAuthUserCollisionException;

import com.google.firebase.auth.FirebaseAuthWeakPasswordException;

import com.google.firebase.auth.FirebaseUser;

import com.google.firebase.database.DatabaseReference;

import com.google.firebase.database.FirebaseDatabase;

import com.google.firebase.iid.FirebaseInstanceId;



import java.util.HashMap;



public class RegisterActivity extends AppCompatActivity {



    private EditText mDisplayName;

    private EditText mEmail;

    private EditText mPassword;

    private Button mCreateBtn;

    private Toolbar mToolbar;

    private ProgressDialog mProgress;



    private FirebaseAuth mAuth;

    private DatabaseReference mDatabase;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_register);



        mAuth = FirebaseAuth.getInstance();

        mDatabase = FirebaseDatabase.getInstance().getReference().child("Users");

        mToolbar = (Toolbar) findViewById(R.id.main_page_toolbar);

        setSupportActionBar(mToolbar);

        getSupportActionBar().setTitle("Register");

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);



        mDisplayName = (EditText) findViewById(R.id.reg_name);

        mEmail = (EditText) findViewById(R.id.reg_email);

        mPassword = (EditText) findViewById(R.id.reg_password);

        mCreateBtn = (Button) findViewById(R.id.reg_create_btn);

        mProgress = new ProgressDialog(this);



        mCreateBtn.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                String displayname = mDisplayName.getText().toString().trim();

                String email = mEmail.getText().toString().trim();

                String password = mPassword.getText().toString().trim();



                if (!TextUtils.isEmpty(displayname) && !TextUtils.isEmpty(email) && !TextUtils.isEmpty(password)) {

                    mProgress.setTitle("Registering User");

                    mProgress.setMessage("Please wait while we create your account...");

                    mProgress.setCanceledOnTouchOutside(false);

                    mProgress.show();



                    register_user(displayname, email, password);

                }

            }

        });

    }



    private void register_user(final String displayname, String email, String password) {

        mAuth.createUserWithEmailAndPassword(email, password)

                .addOnCompleteListener(this, new OnCompleteListener() {

                    @Override

                    public void onComplete(@NonNull Task task) {



                        // If sign in fails, display a message to the user. If sign in succeeds

                        // the auth state listener will be notified and logic to handle the

                        // signed in user can be handled in the listener.

                        if (!task.isSuccessful()) {

                            mProgress.hide();



                            String error = "";

                            try {

                                throw task.getException();

                            } catch (FirebaseAuthWeakPasswordException e) {

                                error = "Weak Password";

                            } catch (FirebaseAuthInvalidCredentialsException e) {

                                error = "Invalid Email";

                            } catch (FirebaseAuthUserCollisionException e) {

                                error = "Existing account";

                            } catch (Exception e) {

                                error = "Unknown Error!";

                                e.printStackTrace();

                            }

                            Toast.makeText(getApplicationContext(), error, Toast.LENGTH_SHORT).show();

                        }else {

                            FirebaseUser currentUser = mAuth.getCurrentUser();

                            String uid = currentUser.getUid();



                            mDatabase = FirebaseDatabase.getInstance().getReference().child("Users").child(uid);

                            String device_token = FirebaseInstanceId.getInstance().getToken();



                            HashMap, String> userMap = new HashMap, String>();

                            userMap.put("name", displayname);

                            userMap.put("status", "Hi there, I'm using giviews");

                            userMap.put("image", "default");

                            userMap.put("thumb_image", "default");

                            userMap.put("device_token", device_token);



                            mDatabase.setValue(userMap).addOnCompleteListener(new OnCompleteListener() {

                                @Override

                                public void onComplete(@NonNull Task task) {

                                    mProgress.dismiss();

                                    Intent mainIntent = new Intent(RegisterActivity.this, MainActivity.class);

                                    mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);

                                    startActivity(mainIntent);

                                }

                            });



                        }

                    }

                });

    }

}