HospitalSystem.cpp

#include<iostream>
using namespace std;

const int MAX_SPECIALIZATION = 20;
const int MAX_QUEUE = 5;

string names[MAX_SPECIALIZATION+1][MAX_QUEUE+1];
int status[MAX_SPECIALIZATION+1][MAX_QUEUE+1];	
int queue_length[MAX_SPECIALIZATION+1];			

int menu() {
	int choice = -1;
	while (choice == -1) {
		cout << "\nEnter your choice:\n";
		cout << "1) Add new patient\n";
		cout << "2) Print all patients\n";
		cout << "3) Get next patient\n";
		cout << "4) Exit\n";

		cin >> choice;

		if (!(1 <= choice && choice <= 4)) {
			cout << "Invalid choice. Try again\n";
			choice = -1;	// loop keep working
		}
	}
	return choice;
}


void shift_left(int spec, string names_sp[], int status_sp[])
{
	int len = queue_length[spec];
	for (int i = 1; i < len; ++i) {
		names_sp[i-1] = names_sp[i];
		status_sp[i-1] = status_sp[i];
	}
	queue_length[spec]--;
}

void shift_right(int spec, string names_sp[], int status_sp[]){
    int len = queue_length[spec];
    for(int i=len-1; i >=0; --i){
        names_sp[i+1] = names_sp[i];
        status_sp[i+1] = status_sp[i];
    }
    queue_length[spec]++;
}

bool add_patient(){
    int spec;
    string name;
    int st;
    cout <<"Enter specialization, name, statis: "; 
    cin >> spec >> name >> st;
    
    int pos = queue_length[spec];
    if(pos >= MAX_QUEUE){
        cout <<"Sorry we can't add more patients for this specialization\n";
        return false;
    }

    if (st ==0){
        names [spec][pos] == name;
        status[spec][pos] = st;
        queue_length[spec]++;
    }
    else{
        shift_right (spec, names[spec], status[spec]);
        names [spec][0] = name; 
        status[spec][0]= st;
    }
    return true;
}

void print_pationt(int spec, string names_sp[], int status_sp[]){
int len = queue_length[spec];
if(len ==0)
return ;
cout <<"There are " <<len << " patinets in specialization " << spec << "\n";
for (int i =0; i < len; ++i){
    cout << names_sp[i] <<" ";
    if (status_sp[i])
    cout << " urgent\n ";
    else 
    cout << " regular\n "; 

}
cout <<"\n";
}

void print_patients(){
    cout <<"****************************\n"; 
    for (int spec = 0; spec < MAX_SPECIALIZATION; ++spec) {
		print_pationt(spec, names[spec], status[spec]);
	}
}

void get_next_patients(){


    int spec;
    cout <<"Entre specialization: "; 
    cin >> spec; 
    int len = queue_length[spec];
    if (len ==0){
        cout << "No pationts in this moment. Have a rest, Dr\n";
        return;
    }
    cout << names[spec][0] << "Please go with Dr\n";

    shift_left(spec, names[spec], status[spec]);
}

void hospital_system(){
    while ( true)
    {
        int choice = menu();
         
         if (choice ==1)
              add_patient();
         else if (choice ==2 )
         print_patients();
         else if (choice ==3)
         get_next_patients(); 
         else 
         break;
    }
    
}
int main(){
    hospital_system(); 
    return 0;
}