import java.awt.BorderLayout;
import java.awt.Cursor;
import java.rmi.RemoteException;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;

import google.webapi.*;

public class TodaysGoogle extends JGoogleBar {
    private JComboBox dateBox;
    private static String[] dates = {"今日の", "今週の", "今月の", "3ヶ月間の", "半年の", "今年の"};
    private static long[] diffs = {1, 7, 31, 93, 186, 365};
    private static final String DATERANGE = " daterange:";

    public TodaysGoogle() {
        frame.setTitle("Today's Google");
        
        dateBox = new JComboBox(dates);
        dateBox.setEditable(false);
        frame.getContentPane().add(dateBox, BorderLayout.WEST);
    }

    public void search(String keyword, int start, int max) {
        if (keyword.equals("")) {
            return;
        }

        dateBox.setEnabled(false);
        keywordField.setEnabled(false);
        searchButton.setEnabled(false);

        Cursor cursor = frame.getCursor();
        frame.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        
        if (keyword.indexOf(DATERANGE) == -1) {
            keyword = calculateJulianDate(keyword);
        }

        try {
            GoogleSearchResult result = searcher.search(keyword, start, max);
            showResult(result, keyword, start);
        } catch (RemoteException ex) {
            ex.printStackTrace();
            JOptionPane.showMessageDialog(frame,
                                          "検索に失敗しました",
                                          "Error",
                                          JOptionPane.ERROR_MESSAGE);
        } finally {
            dateBox.setEnabled(true);
            keywordField.setEnabled(true);
            searchButton.setEnabled(true);
            frame.setCursor(cursor);
        }
    }
 
    private String calculateJulianDate(String keyword) {
        long now = System.currentTimeMillis();

        // 1 日は 86400000 ミリ秒
        // 1970.1.1 はユリウス日では 2440588
        long today = now / 86400000 + 2440588;
 
        long diff = diffs[dateBox.getSelectedIndex()];
 
        return keyword + DATERANGE + (today - diff) + "-" + today;
    }

    public static void main(String[] args) {
        new TodaysGoogle().show();
    }
}