package com.example.laboratorinis;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import java.lang.*;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.io.*;
import android.widget.EditText;
import android.widget.TextView;




public class MainActivity extends Activity implements AdapterView.OnItemClickListener {
    private static final String TAG = "MainActivity";
    ArrayList<HashMap<String, String>> UzrasaiDataList;

    private EditText trinamas;
    Button RequestButton; // button which on clicking, sends the request
    TextView DisplayText; // a text field to display the request response
    TextView DataField; // a text field where the data to be sent is entered

    Button ASCButton; // button which on clicking, sends the request
    Button DESCButton; // button which on clicking, sends the request


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        System.setProperty("http.keepAlive","false");
        gautiUzrasus();
        initcontrols();

        rikiavimas();
    }

    private void initcontrols() {
        RequestButton = (Button) findViewById(R.id.trinti);
        DataField = (TextView) findViewById(R.id.kat_trin);

        RequestButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                String name = DataField.getText().toString();
                try {
                    new trintiUzrasusTask().execute(name, null, null);
                } catch (Exception ex) {
                    Log.e(TAG, ex.toString());
                }

                RequestButton.setVisibility(View.VISIBLE);
            }
        });
    }

    private void rikiavimas() {
        ASCButton = (Button) findViewById(R.id.ascending);

        ASCButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                try {
                    new gautiUzrasusTask().execute("ASC", null, null);
                } catch (Exception ex) {
                    Log.e(TAG, ex.toString());
                }

                ASCButton.setVisibility(View.VISIBLE);
            }
        });

        DESCButton = (Button) findViewById(R.id.descending);

        DESCButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                try {
                    new gautiUzrasusTask().execute("DESC", null, null);
                } catch (Exception ex) {
                    Log.e(TAG, ex.toString());
                }

                DESCButton.setVisibility(View.VISIBLE);
            }
        });
    }
    private void gautiUzrasus() {
        new gautiUzrasusTask().execute("ASC", null, null);
    }

    private void rodytiUzrasus(List<Uzrasas> uzrasai) {
        UzrasaiDataList = new ArrayList<HashMap<String, String>>();

        for (int i = 0; i < uzrasai.size(); i++) {
            Uzrasas u = uzrasai.get(i);

            HashMap<String, String> UzrasasDataMap = new HashMap<String, String>();

            UzrasasDataMap.put("id", String.valueOf(u.ID));
            UzrasasDataMap.put("pavadinimas", u.Pavadinimas);
            UzrasasDataMap.put("kategorija", u.Kategorija);

            UzrasaiDataList.add(UzrasasDataMap);
        }

        ListView mlv = (ListView) findViewById(R.id.uzrasaiListView);

        SimpleAdapter SimpleMiestaiAdapter = new SimpleAdapter(this, UzrasaiDataList, R.layout.uzrasai_list_row,
                new String[]{"pavadinimas", "kategorija"},
                new int[]{R.id.pavadinimasTextView, R.id.kategorijaTextView});

        mlv.setAdapter(SimpleMiestaiAdapter);
        mlv.setOnItemClickListener(this);
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {

    }

    private class gautiUzrasusTask extends AsyncTask<String, Void, List<Uzrasas>> {
        ProgressDialog actionProgressDialog = new ProgressDialog(MainActivity.this);

        @Override
        protected void onPreExecute() {
            actionProgressDialog.setMessage("Gaunami užrašai...");
            actionProgressDialog.show();
            actionProgressDialog.setCancelable(true);
            super.onPreExecute();
        }

        protected List<Uzrasas> doInBackground(String... str_param) {
            String RestURL = str_param[0];
            List<Uzrasas> uzrasai = new ArrayList<Uzrasas>();
            try {
                uzrasai = DataAPI.gautiUzrasus(RestURL);
            } catch (Exception ex) {
                Log.e(TAG, ex.toString());
            }

            return uzrasai;


        }

        protected void onProgressUpdate(Void... progress) {
        }

        protected void onPostExecute(List<Uzrasas> result) {
            actionProgressDialog.cancel();
            rodytiUzrasus(result);

        }

    }
    private class trintiUzrasusTask extends AsyncTask<String, Void, List<Uzrasas>> {
        ProgressDialog actionProgressDialog = new ProgressDialog(MainActivity.this);

        @Override
        protected void onPreExecute() {
            actionProgressDialog.setMessage("Trinami užrašai...");
            actionProgressDialog.show();
            actionProgressDialog.setCancelable(true);
            super.onPreExecute();
        }

        protected List<Uzrasas> doInBackground(String... str_param) {
            String RestURL = str_param[0];
            List<Uzrasas> uzrasai = new ArrayList<Uzrasas>();
            try {
                 WebAPI.sendGET(RestURL);
                uzrasai = DataAPI.gautiUzrasus("http://10.0.2.2:3000/android");
            } catch (Exception ex) {
                Log.e(TAG, ex.toString());
            }
            return uzrasai;
        }

        protected void onProgressUpdate(Void... progress) {
        }

        protected void onPostExecute(List<Uzrasas> result) {
            actionProgressDialog.cancel();
            rodytiUzrasus(result);

        }

    }
}