package com.jp;

import java.awt.Font;
import javax.swing.*;



public class Driver {
	
	private static final int SET_TO_WORD_SEARCH = 0;
	private static final int SET_TO_ANAGRAMMER = 1;
	private static int functionSpinnerState = 0;
	
	private static JFrame mainFrame;
	private static JLabel inputLabel;
	private static JLabel functionLabel;
	private static JLabel wildcardLabel;
	private static JTextField textInput;
	private static JButton activateButton;
	private static JScrollPane outputScrollPane;
	private static JTextArea outputTextArea;
	private static JSpinner functionSpinner;
	private static Dawg thisDawg;

	public static void main(String[] args) throws Exception{
		
		mainFrame = new JFrame("TWL06 DAWG Lexicon Engine");
	    inputLabel = new JLabel("Enter A String");
	    functionLabel = new JLabel("Choose Lexicon Function");
	    wildcardLabel = new JLabel("'?' = Wildcard Character");
	    textInput = new JTextField(20);
	    activateButton = new JButton("Activate");
	    outputScrollPane = new JScrollPane();
        outputTextArea = new JTextArea();
        functionSpinner = new JSpinner();
        
        outputTextArea.setColumns(20);
        outputTextArea.setRows(5);
        outputTextArea.setEditable(false);
        outputTextArea.setFont(new Font("Courier", Font.PLAIN, 12));
        outputScrollPane.setViewportView(outputTextArea);
        
        functionSpinner.setModel(new javax.swing.SpinnerListModel(new String[] {"Word Search       ", "Anagrammer       "}));
        
        textInput.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                textInputActionPerformed(evt);
            }
        });
        activateButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                activateButtonActionPerformed(evt);
            }
        });
        functionSpinner.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                functionSpinnerStateChanged(evt);
            }
        });
        
        
	    GroupLayout layout = new GroupLayout(mainFrame.getContentPane());
	    mainFrame.getContentPane().setLayout(layout);
	    
	    layout.setHorizontalGroup(
	            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
	            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
	                .addContainerGap()
	                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
	                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
	                        .addComponent(functionLabel)
	                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
	                        .addComponent(functionSpinner))
	                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
	                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
	                            .addGroup(layout.createSequentialGroup()
	                                .addComponent(textInput, javax.swing.GroupLayout.PREFERRED_SIZE, 134, javax.swing.GroupLayout.PREFERRED_SIZE)
	                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
	                                .addComponent(inputLabel))
	                            .addComponent(wildcardLabel))
	                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
	                        .addComponent(activateButton, javax.swing.GroupLayout.PREFERRED_SIZE, 139, javax.swing.GroupLayout.PREFERRED_SIZE))
	                    .addComponent(outputScrollPane, javax.swing.GroupLayout.Alignment.LEADING))
	                .addGap(60, 60, 60))
	        );
	        layout.setVerticalGroup(
	            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
	            .addGroup(layout.createSequentialGroup()
	                .addContainerGap()
	                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
	                    .addGroup(layout.createSequentialGroup()
	                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
	                            .addComponent(textInput, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
	                            .addComponent(inputLabel))
	                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
	                        .addComponent(wildcardLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 14, javax.swing.GroupLayout.PREFERRED_SIZE)
	                        .addGap(9, 9, 9))
	                    .addGroup(layout.createSequentialGroup()
	                        .addComponent(activateButton, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE)
	                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
	                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
	                    .addComponent(functionLabel)
	                    .addComponent(functionSpinner, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
	                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
	                .addComponent(outputScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 500, Short.MAX_VALUE -10)
	                .addContainerGap())
	        );

		
		mainFrame.pack();
	    mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    mainFrame.setVisible(true);
		thisDawg = new Dawg();
	}
	
	private static void textInputActionPerformed(java.awt.event.ActionEvent evt) {
        String theInput = textInput.getText();
        if ( validateInput(theInput) ) {
        	if ( functionSpinnerState == SET_TO_WORD_SEARCH ) {
        		if ( theInput.indexOf('?') == -1 )outputTextArea.setText(thisDawg.searchForString(theInput));
        		else outputTextArea.setText(thisDawg.searchForPattern(theInput));
        	}
        	else {
        		outputTextArea.setText(thisDawg.anagram(theInput));
        	}
        }
        else outputTextArea.setText("\"" + theInput + "\" Invalid, try again.");
        textInput.selectAll();
    }
	
	private static void activateButtonActionPerformed(java.awt.event.ActionEvent evt) {
        String theInput = textInput.getText();
        if ( validateInput(theInput) ) {
        	if ( functionSpinnerState == SET_TO_WORD_SEARCH ) {
        		if ( theInput.indexOf('?') == -1 )outputTextArea.setText(thisDawg.searchForString(theInput));
        		else outputTextArea.setText(thisDawg.searchForPattern(theInput));
        	}
        	else {
        		outputTextArea.setText(thisDawg.anagram(theInput));
        	}
        }
        else outputTextArea.setText("\"" + theInput + "\" Invalid, try again.");
        textInput.requestFocusInWindow();
        textInput.selectAll();
    }
	
	private static void functionSpinnerStateChanged(javax.swing.event.ChangeEvent evt) {
        String functionReturn = new String((String)functionSpinner.getValue());
        if ( functionReturn.equals("Word Search       ") ) functionSpinnerState = SET_TO_WORD_SEARCH;
        else functionSpinnerState = SET_TO_ANAGRAMMER;
    }
	
	// Anagramming allows the '?' wildcard char to be input.
	private static boolean validateInput(String userInput){
		char currentChar;
		for( int x = (userInput.length() - 1); x >= 0; x-- ){
			currentChar = userInput.charAt(x);
			if ( currentChar >= 'A' && currentChar <= 'Z' ) continue;
			if ( currentChar >= 'a' && currentChar <= 'z' ) continue;
			if ( currentChar == '?' ) continue;
			return false;
		}
		return true;
	}
	
}