using System;
using System.Drawing;
using System.Windows.Forms;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Collections.Specialized;

class App
{
	public static void Main()
	{
		Application.Run( new FlashCards () );
	}
}

/** 
 *
 * 
 *
 *
 **/
class FlashCards : Form
{
	private const int FRANCAIS = 0;
    private const int ENGLISH = 1;
	Button frenchButton, englishButton;
	ToolStripMenuItem toolStripMenuItem1,openToolStripMenuItem,answerDelayToolStripMenuItem,
		secondsToolStripMenuItem, secondsToolStripMenuItem1, secondsToolStripMenuItem2,
		exitToolStripMenuItem;
	
	Random rand;
	MenuStrip menuStrip1;
	int wordIndex, wordListLength, currentLanguage, timePeriod;
	Label promptLabel, answerLabel;
	string[,] pairList;
	string[] frList, enList;
	OrderedDictionary lexicon;
	Timer clock;
	
	public FlashCards()
	{
		InitializeComponent();

		string fileName = "mots.txt";
		lexicon = new OrderedDictionary();
		if (File.Exists(fileName))
		{
			FileStream lesMots = new FileStream(fileName, FileMode.Open, FileAccess.Read);
			StreamReader fileReader = new StreamReader(lesMots);
			
		//	pairList = fillArray(fileReader);
			fillLexicon(fileReader);
        }
//		this.KeyDown += new KeyEventHandler(OnKeyPress);
		
		clock = new Timer();
		timePeriod = 4000;
		clock.Interval = timePeriod;
		clock.Start();
		clock.Tick += new EventHandler(clockTick);

		wordIndex = 0;
		currentLanguage = -1;
		rand = new Random();
	}
	
	
	
	private string[,] fillArray(StreamReader reader)
	{
	    List<string> wordList = new List<string>();
	    string newLine = reader.ReadLine();
	
		do
		{
			wordList.Add(newLine);
			newLine = reader.ReadLine();
		}
		while (newLine != null);
	
		wordListLength = wordList.Count;
		string[,] output = new string[2, wordListLength];
	    for (int i = 0, split = 0; i < wordListLength; ++i)
		{
			newLine = wordList[i];
			split = newLine.IndexOf(" - ");
			output[FRANCAIS,i] = newLine.Substring(0, split).Trim();
			output[ENGLISH,i] = newLine.Substring(split+3).Trim();
		}
	
		return output;
    }
    
    private void fillLexicon( StreamReader reader )
    {
    	lexicon.Clear();
    	string temp = reader.ReadLine();
    	string part1, part2 = null;
    	int split = 0;
    	int i = 1;
    	while( temp != null )
    	{
    		split = temp.IndexOf(" - ");
    		if(split > -1)
    		{
    			part1 = temp.Substring(0,split).Trim();
    			part2 = temp.Substring(split+3).Trim();
    			lexicon.Add( part1, part2 );
    		}
    		else
    		MessageBox.Show( "File Error at line " + i );
    		
			temp = reader.ReadLine();
			++i;
    	}
    	wordListLength = lexicon.Count;
  		populateArrays();
    }	
    
    // fills arrays with the dictionary data
    private void populateArrays()
    {
    	frList = new string[wordListLength];
    	lexicon.Keys.CopyTo(frList,0);
    	enList = new string[wordListLength];
    	lexicon.Values.CopyTo(enList,0);
    }
    	
    
    //keyPress events--file deletion, program exit, etc;
    private void OnKeyPress( object sender, KeyEventArgs e )
    {
    	promptLabel.Text = "Key Pressed: " + e.KeyCode;
    }
    
	// button clicks: clear labels and display a random word
	private void frenchClick( object sender, EventArgs e )
	{
		wordIndex = rand.Next(wordListLength);
		currentLanguage = FRANCAIS;
		promptLabel.Text = frList[wordIndex];
		answerLabel.Text = null;
		clock.Stop();
		clock.Start();
	}
	
	private void englishClick( object sender, EventArgs e )
	{
		wordIndex = rand.Next(wordListLength);
		currentLanguage = ENGLISH;
		promptLabel.Text = enList[wordIndex];
		answerLabel.Text = null;
		clock.Stop();
		clock.Start();

	}
	
	// on time delay, display the translation in answerLabel
	private void clockTick( object sender, EventArgs e )
	{
		if(currentLanguage == FRANCAIS)
			answerLabel.Text = enList[wordIndex];
		
		if(currentLanguage == ENGLISH)
			answerLabel.Text = frList[wordIndex];
	}

    
	protected void openFileClick(object sender, System.EventArgs e)
	{
		Stream myStream;
		OpenFileDialog openFileDialog1 = new OpenFileDialog();

		openFileDialog1.InitialDirectory = "." ;
		openFileDialog1.Filter = "txt files (*.txt)|*.txt" ;
		openFileDialog1.FilterIndex = 2 ;
		openFileDialog1.RestoreDirectory = true ;

		if(openFileDialog1.ShowDialog() == DialogResult.OK)
		{
			if((myStream = openFileDialog1.OpenFile())!= null)
			{
				
				StreamReader fileReader = new StreamReader(myStream);
				fillLexicon(fileReader);
				myStream.Close();
			}
		}
	}
	
	private void delayClick(object sender, System.EventArgs e)
	{
		if(sender == secondsToolStripMenuItem)
		{
			timePeriod = 4000;
			this.secondsToolStripMenuItem1.Checked = false;
			this.secondsToolStripMenuItem2.Checked = false;
		}
		if(sender == secondsToolStripMenuItem1)
		{
			timePeriod = 6000;
			this.secondsToolStripMenuItem.Checked = false;
			this.secondsToolStripMenuItem2.Checked = false;
		}
		if(sender == secondsToolStripMenuItem2)
		{
			timePeriod = 8000;
			this.secondsToolStripMenuItem.Checked = false;
			this.secondsToolStripMenuItem1.Checked = false;
		}
			
		clock.Interval = timePeriod;
			
	}
	
	private void exitClick(object sender, System.EventArgs e)
	{
		Application.Exit();
	}
    
    private void InitializeComponent()
    {
		this.menuStrip1 = new System.Windows.Forms.MenuStrip();
		this.toolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
		this.openToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
		this.answerDelayToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
		this.secondsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
		this.secondsToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
		this.secondsToolStripMenuItem2 = new System.Windows.Forms.ToolStripMenuItem();
		this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
		this.promptLabel = new System.Windows.Forms.Label();
		this.englishButton = new System.Windows.Forms.Button();
		this.frenchButton = new System.Windows.Forms.Button();
		this.answerLabel = new System.Windows.Forms.Label();
		this.menuStrip1.SuspendLayout();
		this.SuspendLayout();
		
   
		// menuStrip1
		// 
		this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
		this.toolStripMenuItem1});
		this.menuStrip1.Location = new System.Drawing.Point(0, 0);
		this.menuStrip1.Name = "menuStrip1";
		this.menuStrip1.Size = new System.Drawing.Size(392, 24);
		this.menuStrip1.TabIndex = 0;
		this.menuStrip1.Text = "menuStrip1";
		// 
		// toolStripMenuItem1
		// 
		this.toolStripMenuItem1.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
		this.openToolStripMenuItem,
		this.answerDelayToolStripMenuItem,
		this.exitToolStripMenuItem});
		this.toolStripMenuItem1.Name = "toolStripMenuItem1";
		this.toolStripMenuItem1.Size = new System.Drawing.Size(35, 20);
		this.toolStripMenuItem1.Text = "&File";
		// 
		// openToolStripMenuItem
		// 
		this.openToolStripMenuItem.Name = "openToolStripMenuItem";
		this.openToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
		this.openToolStripMenuItem.Text = "&Open";
		this.openToolStripMenuItem.Click += new EventHandler(openFileClick);
		// 
		// answerDelayToolStripMenuItem
		// 
		this.answerDelayToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
		this.secondsToolStripMenuItem,
		this.secondsToolStripMenuItem1,
		this.secondsToolStripMenuItem2});
		this.answerDelayToolStripMenuItem.Name = "answerDelayToolStripMenuItem";
		this.answerDelayToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
		this.answerDelayToolStripMenuItem.Text = "&Answer Delay";
		// 
		// secondsToolStripMenuItem
		// 
		this.secondsToolStripMenuItem.Name = "secondsToolStripMenuItem";
		this.secondsToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
		this.secondsToolStripMenuItem.Text = "4 seconds";
		this.secondsToolStripMenuItem.Click += new EventHandler(delayClick);
		this.secondsToolStripMenuItem.CheckOnClick = true;
		this.secondsToolStripMenuItem.Checked = true;
		// 
		// secondsToolStripMenuItem1
		// 
		this.secondsToolStripMenuItem1.Name = "secondsToolStripMenuItem1";
		this.secondsToolStripMenuItem1.Size = new System.Drawing.Size(152, 22);
		this.secondsToolStripMenuItem1.Text = "6 seconds";
		this.secondsToolStripMenuItem1.Click += new EventHandler(delayClick);
		this.secondsToolStripMenuItem1.CheckOnClick = true;
		// 
		// secondsToolStripMenuItem2
		// 
		this.secondsToolStripMenuItem2.Name = "secondsToolStripMenuItem2";
		this.secondsToolStripMenuItem2.Size = new System.Drawing.Size(152, 22);
		this.secondsToolStripMenuItem2.Text = "8 seconds";
		this.secondsToolStripMenuItem2.Click += new EventHandler(delayClick);
		this.secondsToolStripMenuItem2.CheckOnClick = true;
		// 
		// exitToolStripMenuItem
		// 
		this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
		this.exitToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
		this.exitToolStripMenuItem.Text = "E&xit";
		this.exitToolStripMenuItem.Click += new EventHandler(exitClick);
		// 
		// promptLabel
		// 
		this.promptLabel.AutoSize = true;
		this.promptLabel.Font = new System.Drawing.Font("Eras Light ITC", 11.25F, 
			System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
		this.promptLabel.Location = new System.Drawing.Point(50, 75);
		this.promptLabel.Name = "promptLabel";
		this.promptLabel.Size = new System.Drawing.Size(200, 20);
		this.promptLabel.TabIndex = 1;
		this.promptLabel.Text = "promptLabel";
		//
		// answerLabel
		//
		this.answerLabel.AutoSize = true;
		this.answerLabel.Font = new System.Drawing.Font("Eras Light ITC",11.25F, 
			System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
		this.answerLabel.Location = new System.Drawing.Point(50,150);
		this.answerLabel.Name = "answerLabel";
		this.answerLabel.Size = new System.Drawing.Size(200,20);
		this.answerLabel.Text = null;
		this.answerLabel.ForeColor = System.Drawing.Color.Maroon;
		this.answerLabel.TabIndex = 2;
		// 
		// frenchButton
		// 
		this.frenchButton.Location = new System.Drawing.Point(40, 380);
		this.frenchButton.Name = "frenchButton";
		this.frenchButton.Size = new System.Drawing.Size(150, 40);
		this.frenchButton.TabIndex = 3;
		this.frenchButton.Text = "&Français";
		this.frenchButton.UseVisualStyleBackColor = true;
		this.frenchButton.Click += new EventHandler(frenchClick);
		this.frenchButton.KeyUp += new KeyEventHandler(OnKeyPress);
		// 
		// englishButton
		// 
		this.englishButton.Location = new System.Drawing.Point(200, 380);
		this.englishButton.Name = "englishButton";
		this.englishButton.Size = new System.Drawing.Size(150, 40);
		this.englishButton.TabIndex = 4;
		this.englishButton.Text = "&English";
		this.englishButton.UseVisualStyleBackColor = true;
		this.englishButton.Click += new EventHandler(englishClick);
		// 
		// Form1
		// 
		this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
		this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
		this.ClientSize = new System.Drawing.Size(392, 466);
		this.Controls.Add(this.englishButton);
		this.Controls.Add(this.frenchButton);
		this.Controls.Add(this.promptLabel);
		this.Controls.Add(this.answerLabel);
		this.Controls.Add(this.menuStrip1);
		this.MainMenuStrip = this.menuStrip1;
		this.Name = "FlashCards";
		this.Text = "FlashCards";
		this.KeyUp += new KeyEventHandler(OnKeyPress);
		this.menuStrip1.ResumeLayout(false);
		this.menuStrip1.PerformLayout();
		this.ResumeLayout(false);
        this.PerformLayout();
	}
}