package com.example.stockquote;
 
import java.util.Arrays;
 
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
 
public class MainActivity extends Activity implements OnClickListener {
 
    public final static String STOCK_SYMBOL = "com.example.stockquotes.STOCK";
 
    private SharedPreferences stockSymbolsEntered;
 
    private TableLayout stockTableScrollView;
 
    private EditText stockSymbolEditText;
    Button enterStockSymbol;
    Button deleteStocksdata;
 
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        stockSymbolsEntered = getSharedPreferences("stockList", MODE_PRIVATE);
 
        stockTableScrollView = (TableLayout) findViewById(R.id.stockTableScrollView);
        stockSymbolEditText = (EditText) findViewById(R.id.stockSymbolEditText);
        enterStockSymbol = (Button) findViewById(R.id.enterStockSymbolButton);
        deleteStocksdata = (Button) findViewById(R.id.deleteStocksButton);
 
        enterStockSymbol.setOnClickListener(this);
        deleteStocksdata.setOnClickListener(this);
 
        updateSavedStockList(null);
    }
 
    private void updateSavedStockList(String newStockSymbol) {
 
        String[] stocks = stockSymbolsEntered.getAll().keySet()
                .toArray(new String[0]);
        Arrays.sort(stocks, String.CASE_INSENSITIVE_ORDER);
 
        if (newStockSymbol != null) {
            insertStockInScrollView(newStockSymbol,
                    Arrays.binarySearch(stocks, newStockSymbol));
 
        } else {
            for (int i = 0; i < stocks.length; ++i) {
 
                insertStockInScrollView(stocks[i], i);
 
            }
 
        }
 
    }
 
    private void saveStockSymbol(String newstock) {
        String isTheStockNew = stockSymbolsEntered.getString(newstock, null);
 
        SharedPreferences.Editor preferencesEditor = stockSymbolsEntered.edit();
        preferencesEditor.putString(newstock, newstock);
        preferencesEditor.apply();
 
        if (isTheStockNew == null) {
            updateSavedStockList(newstock);
        }
 
    }
 
    private void insertStockInScrollView(String stock, int arrayIndex) {
 
        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View newStockRow = inflater.inflate(R.layout.stock_quote_row, null);
 
        TextView newStockTextView = (TextView) newStockRow
                .findViewById(R.id.stockSymbolTextView);
 
        newStockTextView.setText(stock);
 
        Button stockQuoteButton = (Button) newStockRow
                .findViewById(R.id.stockQuoteButton);
        stockQuoteButton.setOnClickListener(getStockActivityListener);
 
        Button quoteFromWebButton = (Button) newStockRow
                .findViewById(R.id.quoteFromWebButton);
        quoteFromWebButton.setOnClickListener(getStockFromWebsiteListener);
 
        stockTableScrollView.addView(newStockRow, arrayIndex);
 
    }
 
    private void deleteAllStocks() {
        stockTableScrollView.removeAllViews();
    }
 
    public OnClickListener getStockFromWebsiteListener = new OnClickListener() {
 
        public void onClick(View v) {
 
            TableRow tableRow = (TableRow) v.getParent();
            TextView stockTextView = (TextView) tableRow
                    .findViewById(R.id.stockSymbolTextView);
            String stockSymbol = stockTextView.getText().toString();
            String stockURL = getString(R.string.yahoo_stock_url) + stockSymbol;
 
            Intent getStockWebPage = new Intent(Intent.ACTION_VIEW,
                    Uri.parse(stockURL));
 
            startActivity(getStockWebPage);
 
        }
 
    };
 
    public OnClickListener getStockActivityListener = new OnClickListener() {
 
        public void onClick(View v) {
 
            TableRow tableRow = (TableRow) v.getParent();
            TextView stockTextView = (TextView) tableRow
                    .findViewById(R.id.stockSymbolTextView);
            String stockSymbol = stockTextView.getText().toString();
            Intent intent = new Intent(MainActivity.this,
                    StockInfoActivity.class);
 
            intent.putExtra(STOCK_SYMBOL, stockSymbol);
 
            startActivity(intent);
 
        }
 
    };
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
 
    @Override
    public void onClick(View arg0) {
        // TODO Auto-generated method stub
 
        switch (arg0.getId()) {
        case R.id.enterStockSymbolButton:
            if (stockSymbolEditText.getText().length() > 0) {
 
                saveStockSymbol(stockSymbolEditText.getText().toString());
 
                stockSymbolEditText.setText(""); // Clear EditText box
 
                InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                imm.hideSoftInputFromWindow(
                        stockSymbolEditText.getWindowToken(), 0);
            } else {
 
                // Create an alert dialog box
                AlertDialog.Builder builder = new AlertDialog.Builder(
                        MainActivity.this);
 
                builder.setTitle(R.string.invalid_stock_symbol);
                builder.setMessage(R.string.missing_stock_symbol);
                AlertDialog theAlertDialog = builder.create();
                theAlertDialog.show();
 
            }
            break;
 
        case R.id.deleteStocksButton:
            deleteAllStocks();
 
            SharedPreferences.Editor preferencesEditor = stockSymbolsEntered
                    .edit();
            preferencesEditor.clear();
            preferencesEditor.apply();
 
            break;
        }
    }
}