package n;
import java.io.File;
import java.io.PrintWriter;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.util.Scanner;

public class Main1 {


  private static final Scanner scan = new Scanner(System.in);
  private static String[] player = new String[622];
  private static String DATA = " ";
  private static int COUNTS = 0;

  public static void main(String[] args) throws IOException {
    System.out.println(title);
    driver();
  }
  public static void driver() throws IOException {
    boolean q = false;
    ScanInput(); 
    Scanner scan = new Scanner(System.in);
    System.out.println("Please enter the file name with .txt");
    String filename = scan.nextLine();

    while (!q) { 
      q = processDetail(scan, filename);
    }
    scan.close();
    System.out.print("Hope you enjoy this program! /nHave a nice day!!");
  }

  private static boolean processDetail(Scanner scan, String filename) throws IOException {
    boolean q = false;
    System.out.println("Enter Yor Q; Y for playing; Q for quiting ");
    String input = scan.nextLine().trim();
    if (input.equalsIgnoreCase("y") ) {
      System.out.println("Enter the player's full name:");
      String fullname= scan.nextLine().trim();
      String sss=fullname;
      player=sss.split(" ");
      
      double percent= ProcessInput(player[0]);
      if (percent <= 0) {
        System.out.println("Sorry! The player may not shot, or the player wasn't in the league\n");
        return q;
      } else {
        COUNTS++; // increment the counts when data are found in the file
        String result =
           "The eFG% for "+  player[0] + "is " +percent+"in the team "+player[1] ;
        DATA += (COUNTS + ". " + result + "\n");
        System.out.println(result + " will be stored in " + filename + "\n");
        myFileWriter(filename, DATA);
        return q;
      }
    } else if (input.equalsIgnoreCase("q") ) {
      q = true;
      return q;
    } else {
      System.out.println("WARNNING: please enter a valid input\n");
      return q;
    }
  }



  private static double ProcessInput(String fullname) {

    int FGM = -1;
    int threePM = -1;
    int FGA = -1;
    for (int i = 0; i < player.length; i++) {
      String[] data = player[i].split(",");
      String player = data[0];
      if (fullname.equalsIgnoreCase(player)) {

        FGM = Integer.parseInt(data[2]);
        threePM = Integer.parseInt(data[3]);
        FGA = Integer.parseInt(data[4]);
      }
    }
    if (FGM <= 0 || threePM <= 0 || FGA <= 0) {
      return -1;
    } else
      return efgCalculator(FGM, threePM, FGA);
  }


  private static double efgCalculator(int FGM, int threePM, int FGA) {
    double efg = 100 * ((FGM +(threePM) * 0.5) / FGA);
    double efgPercent = Math.round(efg);
    return efgPercent;
  }




  private static void myFileWriter(String filename, String result) throws IOException {
    try {
      String Greeting = "Hi, here are your searching history!!\n\n";
      FileWriter fw = new FileWriter(filename);
      PrintWriter pw = new PrintWriter(fw);
      pw.print(Greeting);
      pw.print(result);
      pw.close();
    } catch (IOException e) {
      System.out.println("I/O error occurs!!!");
    }
  }


  private static void ScanInput() throws FileNotFoundException {
   
    try {
      File file = new File("input.txt");
      Scanner scan = new Scanner(file);
      int index = 0;
      while (scan.hasNextLine()) {
        player[index] = scan.nextLine();
        index++;
      }
      scan.close();
    } catch (FileNotFoundException e1) {
      System.out.println("File not found or have some typo! Checked again!");
    }
  }
  
}