package com.hawkin.mycrud;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;

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

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;

import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;

public class TampilSemuaPgw extends AppCompatActivity implements ListView.OnItemClickListener{

    EditText edittext1;
    Button button;
    private ListView listView;

    private String JSON_STRING;

    PegawaiListViewAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_tampil_semua_pgw);
        edittext1 = (EditText) findViewById(R.id.edittext1);
        button = (Button) findViewById(R.id.button);
        listView = (ListView) findViewById(R.id.listView);
        listView.setOnItemClickListener(this);
        getJSON();
    }

    public void onClick(View v){
        if(v.getId()==R.id.button){
            IntentIntegrator scanIntegrator = new IntentIntegrator(this);
            scanIntegrator.initiateScan();
        }
    }

    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
        if (scanningResult != null) {
            String scanContent = scanningResult.getContents();
            edittext1.setText(scanContent);
        }
        else{
            Toast toast = Toast.makeText(getApplicationContext(),
                    "No scan data received!", Toast.LENGTH_SHORT);
            toast.show();
        }
    }

    private void showEmployee(){
        JSONObject jsonObject = null;
        ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String, String>>();
        try {
            jsonObject = new JSONObject(JSON_STRING);
            JSONArray result = jsonObject.getJSONArray(konfigurasi.TAG_JSON_ARRAY);

            for(int i = 0; i<result.length(); i++){
                JSONObject jo = result.getJSONObject(i);
                String id = jo.getString(konfigurasi.TAG_ID);
                String name = jo.getString(konfigurasi.TAG_NAMA);

                HashMap<String,String> employees = new HashMap<>();
                employees.put(konfigurasi.TAG_ID,id);
                employees.put(konfigurasi.TAG_NAMA,name);
                list.add(employees);
            }

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

//        adapter = new SimpleAdapter(
//                TampilSemuaPgw.this, list, R.layout.list_item,
//                new String[]{konfigurasi.TAG_ID,konfigurasi.TAG_NAMA},
//                new int[]{R.id.id, R.id.name});

        adapter = new PegawaiListViewAdapter(TampilSemuaPgw.this, list);

        listView.setAdapter(adapter);

        edittext1.addTextChangedListener(searchTextWatcher);
    }

    private void getJSON(){
        class GetJSON extends AsyncTask<Void,Void,String>{

            ProgressDialog loading;
            @Override
            protected void onPreExecute() {
                super.onPreExecute();
                loading = ProgressDialog.show(TampilSemuaPgw.this,"Mengambil Data","Mohon Tunggu...",false,false);
            }

            @Override
            protected void onPostExecute(String s) {
                super.onPostExecute(s);
                loading.dismiss();
                JSON_STRING = s;
                showEmployee();
            }

            @Override
            protected String doInBackground(Void... params) {
                RequestHandler rh = new RequestHandler();
                String s = rh.sendGetRequest(konfigurasi.URL_GET_ALL);
                return s;
            }
        }
        GetJSON gj = new GetJSON();
        gj.execute();
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Intent intent = new Intent(this, TampilPegawai.class);
        HashMap<String,String> map =(HashMap)parent.getItemAtPosition(position);
        String empId = map.get(konfigurasi.TAG_ID).toString();
        intent.putExtra(konfigurasi.EMP_ID,empId);
        startActivity(intent);
    }

    private final TextWatcher searchTextWatcher = new TextWatcher() {

        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {

        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            String text = edittext1.getText().toString().toLowerCase(Locale.getDefault());
            adapter.filter(text);
//            System.out.println(text);
        }

        @Override
        public void afterTextChanged(Editable editable) {
//            System.out.println("tes2");
        }
    };

    class PegawaiListViewAdapter extends ArrayAdapter {
        Context context;
        ArrayList<HashMap<String,String>> pegawaiList;
        ArrayList<HashMap<String,String>> pegawaiListBackup;
        LayoutInflater inflater;

        public PegawaiListViewAdapter(Context context, ArrayList<HashMap<String,String>> pegawaiList) {
            super(context, R.layout.list_item, pegawaiList);
            this.context = context;
            this.pegawaiList = pegawaiList;
            this.pegawaiListBackup = new ArrayList<HashMap<String,String>>();
            this.pegawaiListBackup.addAll(pegawaiList);
        }

        public View getView(int position, View convertView, ViewGroup parent) {
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            View rowView = inflater.inflate(R.layout.list_item, parent, false);
            TextView tvId = (TextView) rowView.findViewById(R.id.id);
            TextView tvName = (TextView) rowView.findViewById(R.id.name);
            tvId.setText(pegawaiList.get(position).get(konfigurasi.TAG_ID));
            tvName.setText(pegawaiList.get(position).get(konfigurasi.TAG_NAMA));
            return rowView;
        }

                // Filter Class
        public void filter(String charText) {
            charText = charText.toLowerCase(Locale.getDefault());
            pegawaiList.clear();
            if (charText.length() == 0) {
                pegawaiList.addAll(pegawaiListBackup);
            } else {
                for (int i = 0; i < pegawaiListBackup.size(); i++){
                    String nama = pegawaiListBackup.get(i).get(konfigurasi.TAG_NAMA).toLowerCase();
//                    System.out.println(pegawaiListBackup.get(i).get(konfigurasi.TAG_NAMA));
                    if (nama.contains(charText)){
                        pegawaiList.add(pegawaiListBackup.get(i));
                    }
                }
            }
            notifyDataSetChanged();
        }
    }
}