package com.example.zzaier.myapplication;

import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;

public class Main2Activity extends AppCompatActivity {
    Spinner dropdown;
    ArrayList<String> managers= new ArrayList<>();


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);

        dropdown = (Spinner) findViewById(R.id.spinner);

        new MyTask().execute();
    }

    public void ManagerDetails(View myView){

        Intent myIntent=new Intent(this,Main4Activity.class);

        myIntent.putExtra("theManager",dropdown.getSelectedItem().toString());
        startActivity(myIntent);
    }

    private class MyTask extends AsyncTask<Void, Void, Void> {


        @Override
        protected Void doInBackground(Void... params) {


            URL url = null;

            try {

                url = new URL("http://ziedzaier.com/wp-content/uploads/2018/10/employeesList.txt");

                HttpURLConnection client = null;

                client = (HttpURLConnection) url.openConnection();

                client.setRequestMethod("GET");

                int responseCode = client.getResponseCode();

                System.out.println("\n Sending 'GET' request to URL : " + url);

                System.out.println("Response Code : " + responseCode);

                InputStreamReader myInput = new InputStreamReader(client.getInputStream());

                BufferedReader in = new BufferedReader(myInput);
                String inputLine;
                StringBuffer response = new StringBuffer();

                while ((inputLine = in.readLine()) != null) {
                    response.append(inputLine);
                }
                in.close();

                //print result
                System.out.println("The response is "+response.toString());

                JSONObject mainObject = new JSONObject(response.toString());
                JSONArray employees = mainObject.getJSONArray("employees");
                String managerFullName;
                for(int i=0; i<employees.length();i++){
                JSONObject singleEmployee = employees.getJSONObject(i);
                JSONObject manager = singleEmployee.getJSONObject("manager");
                String mfname = manager.getString("mfname");
                String mlname = manager.getString("mlname");

                managerFullName= mlname+", "+mfname;
                System.out.println(managerFullName);
                if (!managers.contains(managerFullName) && !mfname.equals("null") && !mlname.equals("null"))
                    managers.add(managerFullName);

                }

            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (JSONException e) {
                e.printStackTrace();
            }

            return null;

        }

        @Override
        protected void onPostExecute(Void result) {

            ArrayAdapter<String> adapter = new ArrayAdapter<String>(Main2Activity.this, android.R.layout.simple_spinner_dropdown_item,managers);
            dropdown.setAdapter(adapter);

            super.onPostExecute(result);
        }

    }
}