//name: Liam Rathke      date: 20 Sep
import java.util.*;
import java.io.*;
import javax.swing.JOptionPane;
public class PigLatin
{
   public static void main(String[] args) throws IOException
   {
      //part_1_using_pig();
      part_2_using_piglatenizeFile();
   }

   public static void part_1_using_pig()
   {
      Scanner sc = new Scanner(System.in);
      while(true)
      {
         System.out.print("\nWhat word? ");
         String s = sc.next();
         if (s.equals("-1"))
            System.exit(0);
         String p = pig(s);
         System.out.println("***** " + p + " *****");
      }
   }
   public static String pig(String s)
   {
      boolean firstCharCapitalized = false; //sets the first character's capitalization to false
      if(!s.substring(0,1).equals(s.substring(0,1).toLowerCase())) //if the letter is not the same as the lower case letter
      {
         firstCharCapitalized = true; //it is capitalized
         //System.out.println("The first character is capitalized!");
         s = s.toLowerCase();
         //System.out.println("Lower case check: " + s);
      }
      String punctuationChars = ",.!?:"; //list of characters
      String punctuation = ""; //default punctuation at the end of a string
      for(int o = 0; o < punctuationChars.length(); o++) //runs through the punctuation for the last index of the word
      {
         if(punctuationChars.substring(o, o + 1).equals(s.substring(s.length() - 1, s.length()))) //last char equals one of the punctuations
         {
            punctuation = s.substring(s.length()-1, s.length()); //changes the punctuation string to the appropriate char
            s = s.substring(0, s.length()-1);
            //System.out.println("Punctuation detected: " + punctuation);
         }
      }
      String vowels = "aeiou"; //possible vowels
      if(s.substring(0,1).equals("y")) //for special y case
      {
         //System.out.println("Y case returned!");
         int yCount = 0;
         while(!vowels.contains(s.substring(yCount, yCount + 1)))
            yCount ++;
         //System.out.println("The yCount is equal to " + yCount);
         String yFinal = s.substring(yCount, s.length()) + s.substring(0, yCount) + "ay";
         return yFinal; //returns y case
      }
      for(int i = 0; i < vowels.length(); i++)
      {
         if(s.substring(0, 1).equals(vowels.substring(i, i+1)))
         {
            //System.out.println("There is a vowel at the start!");
            if(firstCharCapitalized == true)
            {
               s = s.substring(0,1).toUpperCase() + s.substring(1, s.length());
               //System.out.println("The first character in pig latin is now capitalized! Check: " + s);
            }
            return(s + "way" + punctuation);
         }
      }
      vowels = vowels + "y";
      String consonants = s;
      int numCons = 0;
      vowelTestLoop: for(int j = 0; j < consonants.length()-1; j++)
      {
         for(int p = 0; p < vowels.length(); p++)

         {
            if(s.substring(j, j+1).equals(vowels.substring(p, p+1)))
            {
               numCons = j - 1;
               //System.out.println("There are " + (numCons) + " consonants before the first vowel!");
               //System.out.println("Vowel Check! " + s.substring(j, j+1) + ", " + vowels.substring(p, p+1));
               break vowelTestLoop;
            }
         }
         numCons = 0;
      }
      int newnumCons = numCons + 1;
      int vowelTester = 0;
      //System.out.print("Vowels in string:");
      for(int u = 0; u < vowels.length(); u++)
      {
         if(s.contains("" + vowels.charAt(u)))
         {
            //System.out.print(" " + vowels.charAt(u));
            vowelTester++;
         }
      }
      //System.out.println("");
      //System.out.println("There are " + vowelTester + " total vowels!");
      if(vowelTester == 0)
      {
         return ("INVALID");
      }
      if((vowelTester == 1) && (vowels.contains("" + s.charAt(s.length()-1))))
      {
         return("" + s.charAt(s.length()-1) + s.substring(0, s.length() - 1) + "ay");
      }
      String firstCons = consonants.substring(0, newnumCons); //+ 1);
      String otherChars = consonants.substring(newnumCons, consonants.length());
      //System.out.println("The firstCons String is " + firstCons);
      //System.out.println("The otherChars String is " + otherChars);
      if(((firstCons.substring(firstCons.length() - 1, firstCons.length()).equals("q"))) && ((otherChars.substring(0, 1)).equals("u")))
      {
         //System.out.println("There is a q before the u!");
         String qAtStart = otherChars.substring(1, otherChars.length()) + firstCons + "uay";
         if(firstCharCapitalized == true)
         {
            qAtStart = qAtStart.substring(0,1).toUpperCase() + qAtStart.substring(1, qAtStart.length());
            //System.out.println("The first character in pig latin is now capitalized! Check: " + qAtStart);
         }
         return qAtStart;
      }
      if(firstCharCapitalized == true)
      {
         otherChars = otherChars.substring(0,1).toUpperCase() + otherChars.substring(1, otherChars.length());
         //System.out.println("The first character in pig latin is now capitalized! Check: " + s);
      }
      //System.out.println("Normal case detected!");
      return (otherChars + firstCons + "ay" + punctuation);
   }

   public static void part_2_using_piglatenizeFile() throws IOException
   {
      Scanner sc = new Scanner(System.in);
      System.out.print("What filename? ");
      String filename = sc.next();
      Scanner inFile = new Scanner(new File(filename));  //PigLatin.txt
      piglatenizeFile( inFile, filename );
      System.out.println("Piglatin done!");
      sc.close();
   }
   /******************************
   *  take in a filename, and creates a file that is the inputted file
   *  fully piglatenized. The outputFile should be in piglatin form
   *  PigLatin.txt should become IgLatinpay.txt.
   *
   *  Note: filename will have .txt on it.
   ******************************/
   public static void piglatenizeFile(Scanner inFile, String filename) throws IOException
   {
      try{
            inFile = new Scanner(new File(filename));
         }
             catch(FileNotFoundException e)
            {
               JOptionPane.showMessageDialog(null,"The file could not be found.");
               System.exit(0);
            }
      PrintStream outFile = null;
         try{
            outFile = new PrintStream(new FileOutputStream(filename.substring(0, filename.length()-4) + "Output.txt"));
            }
             catch(FileNotFoundException e)
            {
               JOptionPane.showMessageDialog(null,"The file could not be created.");
            }
      while(inFile.hasNextLine()) //is supposed to run while the .txt file has lines available
         {
            String line = inFile.nextLine();
            if(line.equals(""))
               {
               outFile.println("");
               System.out.println("There is nothing in this line of text. Moving on!");
               break;
               }
            for (String lineSplit: line.split(" "))
               {
               System.out.print(pig(lineSplit) + " ");
               outFile.print(pig(lineSplit) + " ");
               }
            System.out.println("Moving on!");
         }
   }
}