package com.gikdew.emaildemo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;

public class App extends ActionBarActivity {

private ProgressDialog pDialog;

// Creating JSON Parser object
JSONParser jParser = new JSONParser();

ArrayList<HashMap<String, String>> productsList;

// url to get all products list
private static String url_all_products = "http://gikdew.com/android/emails/get_all_signals.php";

// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_PRODUCTS = "signals";
private static final String TAG_ID = "id";
private static final String TAG_pair = "pair";
private static final String TAG_expiry = "expiry";
private static final String TAG_result = "result";
private static final String TAG_created_at = "created_at";

ListView list;

// products JSONArray
JSONArray products = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.app);

list = (ListView) findViewById(R.id.listview1);
list.addHeaderView(new View(this));
list.addFooterView(new View(this));

productsList = new ArrayList<HashMap<String, String>>();

// Loading products in Background Thread
new LoadAllProducts().execute();

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.action_refresh:
new LoadAllProducts().execute();
return true;
default:
return super.onOptionsItemSelected(item);
}
}

class LoadAllProducts extends AsyncTask<String, String, String> {

/**
* Before starting background thread Show Progress Dialog
* */

BaseInflaterAdapter<ItemData> adapter;

@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(App.this);
pDialog.setMessage("Loading signals...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
adapter = new BaseInflaterAdapter<ItemData>(new CardInflater());
}

/**
* getting All products from url
* */
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_all_products, "GET",
params);

// Check your log cat for JSON reponse
Log.d("All Products: ", json.toString());

try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);

if (success == 1) {
// products found
// Getting Array of Products
products = json.getJSONArray(TAG_PRODUCTS);

// looping through All Products
for (int i = 0; i < products.length(); i++) {
JSONObject c = products.getJSONObject(i);

// Storing each json item in variable
String id = c.getString(TAG_ID);
String pair = c.getString(TAG_pair);
String expiry = c.getString(TAG_expiry);
String result = c.getString(TAG_result);
String createat = c.getString(TAG_created_at);

ItemData data = new ItemData(id, pair, expiry, result,
createat);
adapter.addItem(data, false);
adapter.notifyDataSetChanged();

if (i == 0) {
SharedPreferences signalsPref = getSharedPreferences(
"signals", 0);
Editor editor = signalsPref.edit();

editor.putString("lastSignal", id);
editor.commit();

Log.d("lastSignal",
signalsPref.getString("lastSignal", "0"));
}
}
} else {
// no products found
// Launch Add New product Activity
Intent i = new Intent(getApplicationContext(), App.class);
// Closing all previous activities
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);
}
} catch (JSONException e) {
e.printStackTrace();
}

return null;
}

/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {

list.setAdapter(adapter);
}
});

}
}
}