import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import java.security.cert.CertPathValidatorException;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class Login extends AppCompatActivity implements View.OnClickListener {

    EditText emaillogin,passwordlogin;
    Button Loginbtn;

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

        emaillogin = (EditText) findViewById(R.id.editemail);
        passwordlogin = (EditText) findViewById(R.id.passwordlogin);
        Loginbtn = (Button) findViewById(R.id.loginbtn);

        Loginbtn.setOnClickListener(this);
    }

    public void signIn(){
        final ProgressDialog progressDialog = new ProgressDialog(this);
        progressDialog.setMessage("Sign In...");
        progressDialog.show();

        final String username = emaillogin.getText().toString().trim();
        final String password = passwordlogin.getText().toString().trim();

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(Api.BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .build();

        Api services = retrofit.create(Api.class);

        Call<Message> call  = services.userLogin(username,password);

        call.enqueue(new Callback<Message>() {

progressDialog.dismiss();


                if (!response.body().geterror()){

                    finish();
                    SharedPrefManager.getmInstance(getApplicationContext()).userLogin(response.body().getHero());

                    Toast.makeText(Login.this, "sucess", Toast.LENGTH_SHORT).show();
                    //startActivity(new Intent(getApplicationContext(),MainActivity.class));
                }
                else {
                  Toast.makeText(Login.this, "Failed", Toast.LENGTH_SHORT).show();
                  //g.d(password,"password");
              }

            }

            @Override
            public void onFailure(Call<Message> call, Throwable t) {

                Toast.makeText(getApplicationContext(), t.getMessage(), Toast.LENGTH_SHORT).show();

            }
        });
    }
public void onClick(View view){

        if (view == Loginbtn ){

            signIn();
        }
    }
}

public class SharedPrefManager {

private static SharedPrefManager mInstance;
private static Context mCTx;

private static final String SHARED_PRE_NAME = "dreamotechretrofit";

private static final String KEY_ID = "keyid";
private static final String KEY_USERNAME = "username";
private static final String KEY_PASSWORD = "password";
private static final String UPDATE_AT = "updated_at";
private static final String CREATED_AT = "created_at";

private SharedPrefManager(Context context){mCTx = context;}

public static synchronized SharedPrefManager getmInstance(Context context){

    if (mInstance == null){

        mInstance = new SharedPrefManager(context);
    }

    return mInstance;
}

public boolean userLogin(Hero hero){

    SharedPreferences sharedPrefManager =  mCTx.getSharedPreferences(SHARED_PRE_NAME,Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = sharedPrefManager.edit();
    editor.putString(KEY_USERNAME,hero.getUsername());
    editor.putString(KEY_PASSWORD,hero.getPassword());
    editor.apply();
    return true;

 }