package com.ttsl.miguel.tejo;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

import com.github.clans.fab.FloatingActionButton;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnSuccessListener;
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.auth.UserProfileChangeRequest;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;

public class RegisterActivity extends AppCompatActivity {

    ImageView ImgUserFoto;
    static int PReqCode = 1;
    static int REQUESCODE = 1;
    Uri pickedImgUri;

    private EditText userEmail, userPassword, userPassword2, userName;
    private Button regBtn;

    private FirebaseAuth mAuth;

    FloatingActionButton btnLogin, btnRecuperar;

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

        btnLogin = (FloatingActionButton) findViewById(R.id.floating_entrar);
        btnRecuperar = (FloatingActionButton) findViewById(R.id.floating_senha1);

        btnLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent mIntent = new Intent(RegisterActivity.this, LoginActivity.class);
                startActivity(mIntent);
                finish();
            }
        });

        btnRecuperar.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent mIntent = new Intent(RegisterActivity.this, SenhaActivity.class);
                startActivity(mIntent);
                finish();
            }
        });


        //Metodo para registar conta

        userEmail = findViewById(R.id.email_reg);
        userPassword = findViewById(R.id.senha_reg);
        userPassword2 = findViewById(R.id.senha_conf);
        userName = findViewById(R.id.nome_reg);
        regBtn = findViewById(R.id.btn_registar);
        ImgUserFoto = findViewById(R.id.perfil_foto_reg);


        mAuth = FirebaseAuth.getInstance();


        regBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                final String email = userEmail.getText().toString();
                final String password = userPassword.getText().toString();
                final String password2 = userPassword2.getText().toString();
                final String nome = userName.getText().toString();

                if (email.isEmpty() || nome.isEmpty() || password.isEmpty() || !password.equals(password2) || pickedImgUri == null) {

                    //Se alguma coisa ficar errada
                    //Vai aparecer uma mensagem de erro
                    showMessage("Por favor verifique todos os campos!");

                }
                else {
                    //Se tudo estiver certo e se todos os campos estão preenchidos
                    //vai criar a conta do usuario se o email é válido...

                    CreateUserAccount(email,nome,password);
                }
            }
        });


        ImgUserFoto.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                if (Build.VERSION.SDK_INT >= 22) {

                    checkAndRequestForPermission();
                }
                else {

                    openGallery();
                }
            }
        });

    }

    private void CreateUserAccount(String email, final String nome, String password) {

        mAuth.createUserWithEmailAndPassword(email,password)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {

                            //Conta do usuario criada com sucesso!
                            showMessage("Conta criada!");
                            //Depois de ser criada a conta precisamos de fazer update da foto
                            //de perfil e nome
                            updateUserInfo( nome ,pickedImgUri,mAuth.getCurrentUser());

                        }
                        else {

                            //Falha ao criar conta
                            showMessage("Erro ao criar conta!" + task.getException().getMessage());
                        }
                    }
                });


    }

    //update foto de perfil e nome
    private void updateUserInfo(final String nome, Uri pickedImgUri, final FirebaseUser currentUser) {

        //upload foto para firebase storage
        StorageReference mStorage = FirebaseStorage.getInstance().getReference().child("users_photos");
        final StorageReference imageFilePath = mStorage.child(pickedImgUri.getLastPathSegment());
        imageFilePath.putFile(pickedImgUri).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
            @Override
            public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {

                //imagem uploaded com sucesso!
                //Agora temos o url da imagem

                imageFilePath.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                    @Override
                    public void onSuccess(Uri uri) {

                        //Uri contem url da imagem do usuario

                        UserProfileChangeRequest profileUpdate = new UserProfileChangeRequest.Builder()
                                .setDisplayName(nome)
                                .setPhotoUri(uri)
                                .build();
                        currentUser.updateProfile(profileUpdate)
                                .addOnCompleteListener(new OnCompleteListener<Void>() {
                                    @Override
                                    public void onComplete(@NonNull Task<Void> task) {

                                        if (task.isSuccessful()) {
                                            //Informaçoes do usuario updated com sucesso!
                                            showMessage("Registro Completo!");
                                            updateUI();
                                        }
                                    }
                                });

                    }
                });

            }
        });



    }

    private void updateUI() {

        Intent Main2Activity = new Intent(getApplicationContext(), DashboardActivity.class);
        startActivity(Main2Activity);
        finish();

    }

    private void showMessage(String message) {

        Toast.makeText(getApplicationContext(), message, Toast.LENGTH_LONG).show();



    }

    private void openGallery() {
        //Abre a galeria e espera para o usuario escolher uma foto!

        Intent galleryIntent = new Intent(Intent.ACTION_GET_CONTENT);
        galleryIntent.setType("image/*");
        startActivityForResult(galleryIntent, REQUESCODE);
    }

    private void checkAndRequestForPermission() {

        if (ContextCompat.checkSelfPermission(RegisterActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {

            showMessage("amkjdfdf");

            if (ActivityCompat.shouldShowRequestPermissionRationale(RegisterActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)) {

                showMessage("Por favor aceite para permissão requerida");
            }
            else {
                ActivityCompat.requestPermissions(RegisterActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, PReqCode);
            }
        }
        else {
            openGallery();
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (resultCode == RESULT_OK && requestCode == REQUESCODE && data != null) {

            //Escolheu uma imagem com sucesso!
            pickedImgUri = data.getData();
            ImgUserFoto.setImageURI(pickedImgUri);
        }
    }
}