package com.example.alexa.androidprojectfinal;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import com.example.alexa.androidprojectfinal.Classes.Login;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Iterator;
import javax.net.ssl.HttpsURLConnection;


public class LoginActivity extends AppCompatActivity {

    private EditText editTextUsername;
    private EditText editTextPassword;
    private String username;
    private String password;
    public static final String PREF_LOGIN = "Pref_login";
    SharedPreferences preferences;
    SharedPreferences.Editor editor;

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

        editTextUsername = (EditText) findViewById(R.id.editTextUsername);
        editTextPassword = (EditText) findViewById(R.id.editTextPassword);

        preferences = getSharedPreferences(PREF_LOGIN, MODE_PRIVATE);
    }


    public void onClickLogin(View view) {

        username = editTextUsername.getText().toString();
        password = editTextPassword.getText().toString();

        if (username.isEmpty() || password.isEmpty()) {

            Toast.makeText(getApplicationContext(), "Username ou Password por preencher!", Toast.LENGTH_LONG).show();
        }
        else {

            new SendPostRequest().execute(username, password);

        }
    }

    public class SendPostRequest extends AsyncTask<String, Void, String> {

        //protected void onPreExecute(){}

        protected String doInBackground(String... arg0) {

            try {

                URL url = new URL("https://apiautocar.andrevicente.me/login/login"); // here is your URL path

                JSONObject postDataParams = new JSONObject();
                postDataParams.put("username", username);
                postDataParams.put("password", password);
                Log.e("params",postDataParams.toString());

                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setReadTimeout(15000 /* milliseconds */);
                conn.setConnectTimeout(15000 /* milliseconds */);
                conn.setRequestMethod("POST");
                conn.setDoInput(true);
                conn.setDoOutput(true);

                OutputStream os = conn.getOutputStream();
                BufferedWriter writer = new BufferedWriter(
                        new OutputStreamWriter(os, "UTF-8"));
                writer.write(getPostDataString(postDataParams));

                writer.flush();
                writer.close();
                os.close();

                int responseCode=conn.getResponseCode();

                if (responseCode == HttpsURLConnection.HTTP_OK) {

                    BufferedReader in=new BufferedReader(new
                            InputStreamReader(
                            conn.getInputStream()));

                    StringBuffer sb = new StringBuffer("");
                    String line="";

                    while((line = in.readLine()) != null) {

                        sb.append(line);
                        break;
                    }

                    in.close();
                    return sb.toString();

                }
                else {

                    return new String("Username ou password erradas");
                }
            }
            catch(Exception e){
                return new String("Exception: " + e.getMessage());
            }
            //return "";
        }

        @Override
        protected void onPostExecute(String result) {

            Login login = null;
            try {
                JSONObject loginObj = new JSONObject(result);
                String status = loginObj.getString("status");
                String message = loginObj.getString("message");
                int id = loginObj.getInt("id");
                String token = loginObj.getString("token");
                String tipo = loginObj.getString("tipo");
                int idp = loginObj.getInt("idp");



                editor = preferences.edit();
                editor.putString("token", token);
                editor.putString("tipo", tipo);
                editor.putInt("idp", idp);
                editor.apply();

                //login = new Login(status, message, id, token, tipo, idp);

                if (tipo.equals("cliente")) {

                    Intent intent = new Intent(LoginActivity.this, MainActivity.class);
                    startActivity(intent);

                }
                else {
                    Intent intent = new Intent(LoginActivity.this, MainMecanicoActivity.class);
                    startActivity(intent);
                }

            } catch (JSONException e) {
                e.printStackTrace();
                Toast.makeText(getApplicationContext(), "Erro de credenciais", Toast.LENGTH_SHORT).show();
            }
        }
    }
    public String getPostDataString(JSONObject params) throws Exception {

        StringBuilder result = new StringBuilder();
        boolean first = true;

        Iterator<String> itr = params.keys();

        while(itr.hasNext()){

            String key= itr.next();
            Object value = params.get(key);

            if (first)
                first = false;
            else
                result.append("&");

            result.append(URLEncoder.encode(key, "UTF-8"));
            result.append("=");
            result.append(URLEncoder.encode(value.toString(), "UTF-8"));

        }
        return result.toString();
    }
}