#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SIZE 5
struct process{
	int process_id;
	int arrival_time;
	int execution_time;
	int start_time;
};

void init_processes(struct process *);
void display(struct process *);
void display_average_waiting_time(struct process *);
void schedule_FCFS(struct process *);

int main()
{
	struct process processes[SIZE];	
	init_processes(processes);

	printf("Orignial input (processes)\n");
	display(processes);
	
	schedule_FCFS(processes);
	printf("Execution according to FCFS policy\n");
	display(processes);
	display_average_waiting_time(processes);	

}
void init_processes(struct process * input)
{
	srand(100);
	for(int i=0;i<SIZE;i++)
	{
		input[i].arrival_time = rand()%10;
		input[i].execution_time = rand()%10;
		input[i].process_id= i;
		input[i].start_time=-1;      
	}	
}
void display(struct process * input){
	printf("process<id, arr, exe, start>:");
	for(int i=0;i<SIZE;i++)
	{
		printf("<%d,%d,%d,%d> ",  input[i].process_id,
		 input[i].arrival_time,  input[i].execution_time, input[i].start_time);	
	}
	printf("\n");
}

void schedule_FCFS(struct process * arr)
{
	//TODO
	printf("Not implemented Yet!\n");
}
void schedule_SJF(struct process * arr)
{
        //TODO
        printf("Not implemented Yet!\n");
}
void schedule_LJF(struct process * arr)
{
        //TODO
        printf("Not implemented Yet!\n");
}
void display_average_waiting_time(struct process * arr)
{
	//TODO
	printf("Not implemented Yet!\n");
}