package PCB_Final;

import java.util.Scanner;

class pcb_Structure {
    public String name;
    public int runTime;
    public int priority;
    public char state;
}

class Pcb_main {
    public int pcb_initialize() {
        int N;
        Scanner in = new Scanner(System.in);
        System.out.println("Tell me How many Pcb You guys want:");
        N = in.nextInt();
        return N;
    }

    public void pcb_Inter(pcb_Structure[] pcbs, int N) {
        Scanner in = new Scanner(System.in);
        System.out.println("Please input the PCB name , priority , runtime (1,2,10):");
        System.out.println();
        for (int i = 0; i < N; i++) {
            System.out.println("Please input the NUmber " + (i + 1) + "\t PCb");
            pcbs[i].name = in.next();
            pcbs[i].priority = in.nextInt();
            pcbs[i].runTime = in.nextInt();
            pcbs[i].state = 'R';
        }
        in.close();
    }

    public int pcb_Priority_confirm(pcb_Structure[] pcbs, int N) {
        int key_value = 0, key, min = 10;
        for (int i = 0; i < N; i++) {
            if (pcbs[i].state == 'r')
                return -1;
            else {
                if (pcbs[i].state == 'R' && pcbs[i].priority < min) {
                    min = pcbs[i].priority;
                    key_value = i;
                }
            }
        }
        key = key_value;
        if (pcbs[key].state == 'F')
            return -1;
        else
            return key;
    }

    public void pcb_print(pcb_Structure[] pcbs, int N) {
        System.out.println("\npcb_name   priority   runtime   status");
        System.out.println("*********************************************************");
        for (int i = 0; i < N; i++) {
            System.out.println(pcbs[i].name + "\t\t\t" + pcbs[i].priority + "\t\t\t" + pcbs[i].runTime +
                    "\t\t\t" + pcbs[i].state);
        }
    }

    public void pcb_run(pcb_Structure[] pcbs, int N) {
        int t = 0;
        for (int i = 0; i < N; i++) {
            t += pcbs[i].runTime;
        }
        pcb_print(pcbs, N);
        for (int i = 0; i < t; i++) {
            while (pcb_Priority_confirm(pcbs, N) != -1) {
                pcbs[pcb_Priority_confirm(pcbs, N)].state = 'r';
            }
            for (int j = 0; j < N; j++) {
                if (pcbs[j].state == 'r') {
                    pcbs[j].priority += 1;
                    pcbs[j].runTime--;
                    pcb_print(pcbs, N);
                    System.out.println("Process:" + pcbs[j].name + "\tRuntime:" + pcbs[j].runTime + "\tPriority:" + pcbs[j].priority);
                }
                {
                    if (pcbs[j].runTime == 0)
                        pcbs[j].state = 'F';
                    else
                        pcbs[j].state = 'R';
                }
            }
        }
        pcb_print(pcbs, N);
    }

    public static void main(String[] args) {
        Pcb_main pcb_main = new Pcb_main();
        int N = pcb_main.pcb_initialize();
        pcb_Structure[] pcbs = new pcb_Structure[N];
        for (int i = 0; i < N; i++) {
            pcbs[i] = new pcb_Structure();
        }
        pcb_main.pcb_Inter(pcbs, N);
        pcb_main.pcb_run(pcbs, N);
    }
}