package com.example.mllsh.oborudovanie2;

import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.Toast;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.HashMap;

public class activity_autoriz extends AppCompatActivity {

    EditText editLogin, editPassword;

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

        editLogin = (EditText) findViewById(R.id.editlogin);
        editPassword = (EditText) findViewById(R.id.editPassword);
        findViewById(R.id.singin).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                userLogin();
            }
        });

        //if user presses on not registered
        findViewById(R.id.textViewRegister).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //open register screen
                finish();
                startActivity(new Intent(getApplicationContext(), MainActivity.class));
            }
        });
    }

        private void userLogin() {
            //first getting the values
            final String login = editLogin.getText().toString();
            final String password = editPassword.getText().toString();

            //validating inputs
            if (TextUtils.isEmpty(login)) {
                editLogin.setError("Please enter your username");
                editLogin.requestFocus();
                return;
            }

            if (TextUtils.isEmpty(password)) {
                editPassword.setError("Please enter your password");
                editPassword.requestFocus();
                return;
            }

            //if everything is fine

            class userLogin extends AsyncTask <Void, Void, String> {

                ProgressBar progressBar;

                @Override
                protected void onPreExecute() {
                    super.onPreExecute();
                    progressBar = (ProgressBar) findViewById(R.id.progressBar);
                    progressBar.setVisibility(View.VISIBLE);
                }

                @Override
                protected void onPostExecute(String s) {
                    super.onPostExecute(s);
                    progressBar.setVisibility(View.GONE);


                    try {
                        //converting response to json object
                        JSONObject obj = new JSONObject(s);

                        //if no error in response
                        if (!obj.getBoolean("error")) {
                            Toast.makeText(getApplicationContext(), obj.getString("message"), Toast.LENGTH_SHORT).show();

                            //getting the user from the response
                            JSONObject userJson = obj.getJSONObject("user");

                            //creating a new user object
                            User user = new User(
                                    userJson.getInt("id"),
                                    userJson.getString("login"),
                                    userJson.getString("username"),
                                    userJson.getString("fio"),
                                    userJson.getString("otchestvo"),
                                    userJson.getString("rol")
                            );

                            //storing the user in shared preferences
                            SharedPrefManager.getInstance(getApplicationContext()).userLogin(user);

                            //starting the profile activity
                            finish();
                            if(user.getRol().equals("admin") || user.getRol().equals("snab")){
                                startActivity(new Intent(getApplicationContext(), AdminActivity.class));
                            }else{
                                startActivity(new Intent(getApplicationContext(), Snab.class));
                            }} else {
                            Toast.makeText(getApplicationContext(), "Invalid username or password", Toast.LENGTH_SHORT).show();
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }

                @Override
                protected String doInBackground(Void... voids) {
                    //creating request handler object
                    RequestHandler requestHandler = new RequestHandler();

                    //creating request parameters
                    HashMap<String, String> params = new HashMap<>();
                    params.put("login", login);
                    params.put("password", password);

                    //returing the response
                    return requestHandler.sendPostRequest(URLs.URL_LOGIN, params);
                }
            }

            userLogin ul = new userLogin();
            ul.execute();
        }
    }