import java.util.*;
import java.io.*;
public class P2 {
    /**
     * COMP2240 Assignment 2 Part 2
     * Date: 
     * Author: Zach S-B
     * Student Number: c3262201
     */

    private int numOfJobs = 0;
    private LinkedList<P2_Jobs> jobList = new LinkedList<P2_Jobs>(); 
    private P2_Printer printer = new P2_Printer();;

    /**
     * Main. Runs the program
     */
    public static void main(String[] args){
        P2 system = new P2();
        system.run();
    }

    public void run()
    {
        //Read file inputs and save to a job list.
        readFile("../P2-1in.txt");

        //Start the jobs going
        for(int i = 0; i<jobList.size(); i++)
        {
            Thread job = new Thread(jobList.get(i));
            job.start();
        }
    }

    /**
     * readFile. Reads the file given, creating processes as needed to save details.
     * @param fileNameInput address of the file to be read in.
     */
    public void readFile(String input)
    {
        Scanner fileReader; //Scanner to read the file.
        File dataInput;// = new File(fileNameInput);

        dataInput = new File(input);

        //Try and open file. If it works, procede.
        try {
            fileReader = new Scanner(dataInput);

            String line = fileReader.nextLine();

            numOfJobs = line.charAt(0) - '0';
            for(int i = 0; i< numOfJobs; i++)
            {
                line = fileReader.nextLine();
                jobList.add(new P2_Jobs(line, printer));
            }
            fileReader.close();
        } 
        //If the file isn't found, throw a hissy fit.
        catch (FileNotFoundException e) {
            System.out.println("File not found.");
            System.exit(0);
            //e.printStackTrace();  //Optional, shows more data.
        }
    }  
}