/*
 *   Intro to Programming CSE 1310
 * University of Texas at Arlington
 */

package code5mar19;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;
import java.util.Scanner;

/**
 *
 * @author jcmtiernan
 */
public class Code5Mar19 
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
   /**
     * @param args the command line arguments
     */
        File nameAgeFile = new File("namesDates");
        Scanner nameDataFile = new Scanner(System.in);
        try
        {
            nameDataFile = new Scanner(nameAgeFile);
        }
        catch (FileNotFoundException fnfe)
        {
            System.out.println("No data file found");
        }
        
        final int MAXNUM = 50;
        // format should be lastName, firstName ; SHName pubYr movieYr
        String[] lastNm = new String[MAXNUM];
        String[] firstNm = new String[MAXNUM];
        String[] shNm = new String[MAXNUM];
        int[] pubYr = new int[MAXNUM];
        int[] movYr = new int[MAXNUM];
        int[] age = new int[MAXNUM];
        
        String oneLine = "";
        Scanner inLine;
        int index = 0;
        boolean valid = true;
        
        while (nameDataFile.hasNextLine())
        {
            valid = true;
            inLine = new Scanner(nameDataFile.nextLine());
            inLine.useDelimiter(", ");
            try
            {
                lastNm[index] = inLine.next();
                lastNm[index] = removeBlanks(lastNm[index]);
            }
            catch (NoSuchElementException nsee)
            {
                System.out.println("::: No data available on current line");
                valid = false;
            }
            inLine.reset();
            
            if (valid && inLine.hasNext())
            {
                inLine.next(); // read comma
                inLine.useDelimiter(" : ");
                try
                {
                    firstNm[index] = inLine.next();
                    //System.out.println("firstNm["+index+"] is "+firstNm[index]);
                    firstNm[index] = removeBlanks(firstNm[index]);
                }
                catch (NoSuchElementException nsee)
                {
                    System.out.println("::: No more data available on current line");
                    valid = false;
                }                
            }
            inLine.reset();
            if (valid && inLine.hasNext())
            {
                inLine.next(); // read colon
                inLine.useDelimiter("[+0-9]");
                try
                {
                    shNm[index] = inLine.next();
                    shNm[index] = removeBlanks(shNm[index]);
                }
                catch (NoSuchElementException nsee)
                {
                    System.out.println("::: No more data available on current line");
                    valid = false;
                }  
            }
            inLine.reset();
            //System.out.println("before reading numbers at index "+index+" valid is "+valid);
            if (valid && inLine.hasNext())
            {
                try
                {
                    pubYr[index] = inLine.nextInt();
                    movYr[index] = inLine.nextInt();
                    //System.out.println("Read in pubYr "+pubYr[index]+" and movYr "+movYr[index]);
                }
                catch (InputMismatchException ime)
                {
                    System.out.println("::: Invalid numeric data in file");
                    valid = false;
                }
                catch (NoSuchElementException nsee)
                {
                    System.out.println("::: No more data available on current line");
                    valid = false;
                }                 
            }
            if (valid)
            {
                age[index] = movYr[index] - pubYr[index];
                System.out.printf("%s %s, called %s, is at least %d years old\n",
                        firstNm[index], lastNm[index], shNm[index], age[index]);
            }
            index++;
            //System.out.println("index = "+index);
        }
        System.out.println("");
        System.out.printf("%10s %10s %10s %5s\n","SHName","First","Last","PubYear");
        for(int i=0; i < index; i++)
        {
           System.out.printf("%10s %10s %10s %5d\n", 
                   shNm[i], firstNm[i], lastNm[i],pubYr[i]);
           //System.out.printf("%15s %24\n",firstNm[i],lastNm[i]);
        }
        System.out.println("");
        for(int i=0; i < index; i++)
        {
            System.out.println(age[i]);
        }        
        // bubble sort
        int temp = 0;
        for (int j=0; j < index; j++)
            for (int k=0; k < index-1; k++)
            {
                if (age[k] > age[k+1])
                {  // swap
                    temp = age[k];
                    age[k] = age[k+1];
                    age[k+1] = temp;
                }
            }
        System.out.println("\nAfter sort");
        for(int i=0; i < index; i++)
        {
            System.out.println(age[i]);
        }        
        
        
        
    }
    
    public static String removeBlanks(String inStr)
    {
        //System.out.println("In rB, string is *"+inStr+"*");
        //String nStr = inStr.trim();
        String nStr = inStr;
        //System.out.println("In rB, string after trim is *"+nStr+"*");
        int cnt = 0;
        while (nStr.charAt(cnt) == ' ')
        {
            nStr = nStr.substring(1);
        }
        //System.out.println("In rB, string after remove front blanks is *"+nStr+"*");
        while (nStr.charAt(nStr.length()-1) == ' ')
        {
            nStr = nStr.substring(0, nStr.length()-1);
        }
        //System.out.println("In rB, string after remove back blanks is *"+nStr+"*");
        return nStr;
    }

}