/*This program is writen by Rocket Man

*/
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;


public class assign {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        String line="";
        boolean team = true;
        Scanner keyboard=new Scanner(System.in);
        System.out.println("Enter the file name: ");
        String filename=keyboard.nextLine();
        Scanner fileReader= null;
        File Fileobject=new File(filename);
        int invalid=0;

        if(!Fileobject.exists())
        {
            System.out.println("file missing ");
            System.exit(0);
        }
        try{

            fileReader=new Scanner(Fileobject);//reading the file user wants
            System.out.println("\nThe file "+filename +"\n"+"conatins the following data");
            System.out.println("\n======================");
            System.out.printf("\n"+"%-26s%-24s%-25s%-25s ","Home team","Score","Away team","Score"); //printing these in console
            System.out.printf("\n"+"%-26s%-24s%-25s%-25s ","=========","=====","=========","=====");



            while(fileReader.hasNext())
            {
                line=fileReader.nextLine();
                String [] splitText = line.split(":");
                //in case of delimeter is missing
                  int delimetercount = 0;//setting delimeter counter
                  String[] delimeter = line.split("");
                  for(String dd:delimeter)
                  {
                      if (dd.equals(":")){
                          delimetercount++;

                      }
                  }
                      if(delimetercount!=3)//checking if delimeter equals to 3
                      {

                          ++invalid;
                          System.out.println("");
                          System.out.printf("\n%-35s", "Delimeter missing or wrong delimeter may be used in this line\n ");
                          continue;

                      }



                    if(splitText.length==4)//making sure there is 4 part in array
                      {
                       splitText[0]=splitText[0].trim();//removing unwanted spaces
                       splitText[1]=splitText[1].trim();
                       splitText[2]=splitText[2].trim();
                       splitText[3]=splitText[3].trim();

                       }
                    if (!splitText[0].equals(""))//conditions if split array is not equal to blank
                      {
                         String homet = splitText[0];
                          System.out.printf("\n"+"%-28s",homet);


                      }
                      else{
                          System.out.printf("\n%-28s", "HOME NAME IS MISSING");

                          team =false;
                      }

                    if(!splitText[2].equals(""))
                       {
                          try
                          {
                              int score= Integer.parseInt(splitText[2]);
                             int hscore=score;
                           System.out.printf(""+"%-22s",hscore);
                          }
                          catch(NumberFormatException e)
                           {

                              System.out.printf("%-22s", "NON NUMERIC DATA");//printing this in console
                                  team = false;//validating for invalid entries
                           }
                          }
                    else{

                         System.out.printf("%-22s", "SCORE IS MISSING");//printing this in console
                          team = false;//validating for invalid entries


                       }

                    if(!splitText[1].equals(""))
                    {
                        String awayt = splitText[1];
                        System.out.printf(""+"%-27s",awayt);
                    }
               else
               {

                   System.out.printf("%-27s", "AWAY NAME IS MISSING");
                   team=false;
               }

                   if(!splitText[3].equals(""))
                   {
                      try
                      {
                          int atscore= Integer.parseInt(splitText[3]);
                         int ascore=atscore;
                       System.out.printf(""+"%-25s",ascore);
                        }
                      catch(NumberFormatException e)
                       {

                          System.out.printf("%-25s", "NON NUMERIC DATA");//printing this in console
                           team = false;//validating for invalid entries
                       }
                      }
                   else{

                       System.out.printf("%-25s", "SCORE IS MISSING");//printing this in console
                           team = false;//validating for invalid entries


                   }
                   if(team==false)
                      {

                          ++invalid;//increasing invalid counter


                      }
                   team=true;//reseting the boolean value
            }

        }//end of try block
        catch(FileNotFoundException e)
        {
        System.out.println("Error - File does not exist");
        }
        System.out.println("\n-----------------");
        //counting total number of invalid books
        if(invalid==0||invalid==1)
        {
            System.out.println("\nTotal number of invalid entries: "+invalid);
        }
         else
        {
            System.out.println("\nTotal number of invalid entries: "+invalid);
        }

      //searching
            try
            {
                fileReader=new Scanner(Fileobject);//reading the file user wants
                Scanner f = new Scanner(System.in);//making Scanner class for taking in team name
                    System.out.println("");
                    System.out.println("Enter the title of the book you want to search ");
                    String title = f.nextLine();//taking the team name user wants to enter
                    System.out.println("\nThe file "+filename +"\n"+"conatins the following data");
                    System.out.println("\n======================");
                    System.out.printf("\n"+"%-26s%-24s%-25s%-25s ","Home team","Score","Away team","Score"); //printing these in console
                    System.out.printf("\n"+"%-26s%-24s%-25s%-25s ","=========","=====","=========","=====");

                    while (fileReader.hasNext())
                    {

                        String line1 =  fileReader.nextLine();// Read a line of data from text file
                        String[] arraysplit = line1.split(":");
                        if (arraysplit.length==4)//making sure there is 4 part of the array
                        {
                            arraysplit[0]=arraysplit[0].trim();
                            arraysplit[1]=arraysplit[1].trim();
                            arraysplit[2]=arraysplit[2].trim();
                            arraysplit[3]=arraysplit[3].trim();

                        try{

                         if (!arraysplit[0].equals("") && !arraysplit[1].equals("")
                                 && arraysplit[2].length()>0 &&  arraysplit[3].length()>0 && (title.equals(arraysplit[0])||title.equals(arraysplit[1])))
                             //putting the valid condition and enter title for searching//validating
                         {
                             String homen = arraysplit[0];
                             String awayn = arraysplit[1];
                             int score= Integer.parseInt(arraysplit[2]);
                             int htscore=score;
                             int atscore= Integer.parseInt(arraysplit[3]);
                             int ascore=atscore;
                             System.out.printf("\n"+"%-28s",homen);
                             System.out.printf(""+"%-22s",htscore);
                             System.out.printf(""+"%-27s",awayn);
                             System.out.printf(""+"%-25s",ascore);
                         }
                        }
                        //try close
                        catch(Exception e)
                        {

                        }
                        }

                            }

                    System.out.println("\n-------------------------------------");
                    System.out.println("Sorry there is no team having that name\n or there is no more data to display!! ");//printing if team name is unavailable or there is no more data
                    System.out.println();
                   }
                    catch (Exception e)
                    {
                        System.out.println("Error while reading from file ");
                    }

                  //end of program

    }

}