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

package code7mar19;

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

/**
 *
 * @author jcmtiernan
 */
public class Code7Mar19 
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        File nameAgeFile = new File("namesDates7Mar.txt");
        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;
        String number = "";
        
        while (nameDataFile.hasNextLine())
        {
            valid = true;
            inLine = new Scanner(nameDataFile.nextLine());
            /*
                Read all inputs as Strings
                Use delimiters as needed to seperate values
                Convert Strings to numbers
                Store each data element into appropriate array
            */
            
            try
            {
                inLine.useDelimiter(", ");
                lastNm[index] = inLine.next();
                lastNm[index] = removeBlanks(lastNm[index]);
                inLine.reset();
                
                inLine.next(); // read comma
                inLine.useDelimiter(" : "); 
                firstNm[index] = inLine.next();
                //System.out.println("firstNm["+index+"] is "+firstNm[index]);
                firstNm[index] = removeBlanks(firstNm[index]); 
                inLine.reset();
                
                inLine.next(); // read colon
                inLine.useDelimiter("[+0-9]");   
                shNm[index] = inLine.next();
                shNm[index] = removeBlanks(shNm[index]);                
                
            }
            catch (NoSuchElementException nsee)
            {
                System.out.println("::: No data available on current line");
                valid = false;
            }

            inLine.reset(); 
            // reading numbers as strings and parsing
            if (valid && inLine.hasNext())
            {
                try
                {
                    number = inLine.next();  
                    System.out.println("number (pubYr) = "+number);
                    pubYr[index] = Integer.valueOf(number);  //Integer  assigned to int  
                    System.out.println("pubYr["+index+"] is "+pubYr[index]);

                    number = inLine.next();  
                    System.out.println("number (movYr) = "+number); 
                    movYr[index] = Integer.parseInt(number);  // int
                    System.out.println("movYr["+index+"] is "+movYr[index]);
                }
                catch (NumberFormatException nfe)
                {   
                    System.out.println("::: Year data is invalid");
                    valid = false;
                }
                catch (NoSuchElementException nsee)
                {
                    System.out.println("::: No data available on current line");
                    valid = false;
                }
            }
            

            
            index++;
            
        }  // end of while (nameDataFile.hasNextLine())
        
        /*
        System.out.println("PubYr   MovYr");
        for (int k = 0; k < index; k++)
        {
            System.out.println(pubYr[k]+"\t"+movYr[k]);
        }
        */

        /* 
            After all data read in, create array age
            Duplicate array age to secondAge
            Sort array secondAge alone using bubble sort method
            Sort all arrays together by age using bubble sort with multiple arguments1
        */
        for (int k = 0; k < index; k++)
        {
            age[k] = movYr[k] - pubYr[k];
        }
        
        int[] secondAge = new int[index];
        
        for (int k = 0; k < index; k++) // copying an array
        {
            secondAge[k] = age[k];
        }   
        // Assume index is  size of array
        // Bubble sort secondAge
        System.out.println("\nSecondAge array before sorting:");
        for (int n = 0; n < index;n++)
            System.out.println(secondAge[n]);
        System.out.println("");
        int tempNum = 0;
        int numCompares = index;
        int countCompares = 1;
        int countSwaps = 1;
        
        for(int pass=0; (pass < index) && (countSwaps > 0); pass++)  // the number of passes
        {
            numCompares--;
            countSwaps = 0;
            for( int comp =0; comp < numCompares; comp++)  // the comparisons
            {   System.out.println(countCompares+
                    ". compare secondAge["+comp+"] > secondAge["+(comp+1)+"]");
                countCompares++;
                if (secondAge[comp] > secondAge[comp+1])
                {
                    tempNum = secondAge[comp];
                    secondAge[comp] = secondAge[comp+1];
                    secondAge[comp+1] = tempNum;
                    countSwaps++;
                }
        
            }
        }
        
        System.out.println("\n\nSecondAge array after sorting:");
        for (int n = 0; n < index;n++)
            System.out.println(secondAge[n]);        
        // printing for verification
        printTableFLS(lastNm, firstNm, shNm, pubYr, movYr, age, index);
        /*
        System.out.printf("\n%15s %10s %10s %5s %5s %5s\n","SHName","First","Last","Comic","Movie","Age");
        for(int i=0; i < 80; i++)
            System.out.print("-");
        System.out.println("");
        for(int i=0; i < index; i++)
        {
           System.out.printf("%15s %10s %10s %5d %5d %5d\n", 
                   shNm[i], firstNm[i], lastNm[i],pubYr[i], movYr[i], age[i]);
           //System.out.printf("%15s %24\n",firstNm[i],lastNm[i]);
        }   
        */
        /*
            Sort all arrays together by age using bubble sort with multiple arguments1
        */

        
    }

    public static void printTableFLS(String[] lastNm, String[] firstNm, 
            String[] shNm,int[] pubYr, int[] movYr, int[] age, int sz)
    {
        // printing for verification
        System.out.printf("\n%15s %10s %10s %5s %5s %5s\n","SHName","First","Last","Comic","Movie","Age");
        for(int i=0; i < 80; i++)
            System.out.print("-");
        System.out.println("");
        for(int i=0; i < sz; i++)
        {
           System.out.printf("%15s %10s %10s %5d %5d %5d\n", 
                   shNm[i], firstNm[i], lastNm[i],pubYr[i], movYr[i], age[i]);
           //System.out.printf("%15s %24\n",firstNm[i],lastNm[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;
    }
}