/* CS 007 Lab3.java
    Reads a large file or words and gathers some simple stats
*/
import java.io.*;
import java.util.*;

public class Lab3
{
    public static void main (String args[]) throws Exception // i.e. the input file you put on cmd line is not in directory
    {
        // ALWAYS TEST FIRST TO VERIFY USER PUT REQUIRED INPUT FILE NAME ON THE COMMAND LINE
        if (args.length < 1 )
        {
            System.out.println("\nusage: C:\\> java Lab3 <input filename>\n\n"); // i.e. C:\> java Lab3 dictionary.txt
            System.exit(0);
        }
        BufferedReader infile = new BufferedReader( new FileReader(args[0]) ); // we read our text file line by line .readLine()
        int numOfWordsReadIn=0; // each line read in has exactly one word on it.
        int numOfWordsWithAnyOf_aeiou=0; // contains any of these: a,e,i,o and u
        int numOfWordsWith_y_ButNoneOf_aeiou=0;  // contains y but none of a,e,i,o or u
        int numOfWordsWithNoVowels=0; // contains none of a, e, i, o, u, or y
        int shortestWordLength=Integer.MAX_VALUE,longestWordLength=0;

        while( infile.ready() ) // BufferedReader's .ready() means same as Scanner's .hasNextLine()
        {
            String word = infile.readLine();
            ++numOfWordsReadIn;
            // ---------- DONT WRITE ANYTHING ABOVE THIS LINE -------------------
            if (word.length()>longestWordLength)
            {longestWordLength = word.length();



            }

            else if (word.length() < shortestWordLength)
            {
                shortestWordLength = word.length();
            }


            for(int i = 0; i < word.length(); ++i)
            {
                char c = word.charAt(i);
                if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') {
                    ++numOfWordsWithAnyOf_aeiou;
                    break;
                }
            }

            for(int i = 0; i < word.length(); ++i){
                char c = word.charAt(i);
                if (c=='y') {
                    for(int j = 0;j<word.length();j++){
                        char d = word.charAt(j);
                        if(d == 'a' || d == 'e' || d == 'i' || d == 'o' || d == 'u'){
                            break;
                        }
                        else if(j==word.length()-1)
                            {  ++numOfWordsWith_y_ButNoneOf_aeiou;
                        }

                    }
                }

            }







            // ----------- DONT WRITE ANYTHING BELOW THIS LINE -------------------

        } // END WHILE FILE HAS ANOTHER LINE IN IT
        infile.close();

        // PRINT SUMMARY VARIABLES
        System.out.println("total words read from file: " + numOfWordsReadIn );
        System.out.println("longest  word length: " + longestWordLength );
        System.out.println("shortest word length: " + shortestWordLength );
        System.out.format("%6d words contained any of: a e i o u\n",numOfWordsWithAnyOf_aeiou );
        System.out.format("%6d words contained 'y' but none of: a e i o u\n", numOfWordsWith_y_ButNoneOf_aeiou);
        System.out.format("%6d words contained no vowels (i.e. none of: a e i o u y)\n", numOfWordsWithNoVowels );
    } // END MAIN
} // END LAB3 CLASS