using namespace std;
int id_group = 2;

class Proc
{
  friend class Group;
public:
  static void execute(Group* group, Restaurant* restaurant, Schedule* schedule, const int time_now, const char chose)
  {
    Group* next;
    ofstream save("run.txt", ios_base::app);
    auto active = true;
    while (active)
    {
      switch (group->GetPhase())
      {
      case 0: // FAZA I
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        next = new Group(id_group++);
        schedule->AddToAgenda(new Event(next, rand() % 20 + time_now));
        save << "appearance was planned group id=" << group->GetId() << endl;
        if (group->GoToBuffet())
        {
          save << "group add to queue to buffet (group id=" << group->GetId() << ")" << endl;
          cout << "group add to queue to buffet (group id=" << group->GetId() << ")" << endl;
          restaurant->AddToQueue(group, 'b');
          if (restaurant->IsBuffetFree(group) != nullptr && restaurant->IsFirst('b') == group) group->SetPhase(5);
          else
          {
            group->SetPhase(5);
            active = false;
            break;
          }
        }
        else
        {
          save << "group add to queue to manager (group id=" << group->GetId() << ")" << endl;
          cout << "group add to queue to manager (group id=" << group->GetId() << ")" << endl;
          restaurant->AddToQueue(group, 'm');
          if (restaurant->IsManagerFree() && restaurant->IsFirst('m') == group) group->SetPhase(1);
          else
          {
            group->SetPhase(1);
            active = false;
            break;
          }
        }
        break;
      case 1: // FAZA 2 table only
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        restaurant->use_employe(restaurant->GetFromQueue('m'), 'm', 0); // dokodzić dobieranie number
        save << "manager pick up group from queue id=" << group->GetId() << endl;
        cout << "manager pick up group from queue id=" << group->GetId() << endl;
        schedule->AddToAgenda(new Event(group, rand() % 20 + time_now));
        group->SetPhase(2);
        active = false;
        break;
      case 2: // FAZA 3 table only
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        restaurant->free_employe('m');
        save << "manager ended the group service (group id=" << group->GetId() << ")" << endl;
        cout << "manager ended the group service (group id=" << group->GetId() << ")" << endl;
        Restaurant::SetTable(restaurant->IsTableFree(group), group);
        save << "the group took a table (group id=" << group->GetId() << ")" << endl;
        cout << "the group took a table (group id=" << group->GetId() << ")" << endl;
        if (restaurant->IsFirst('m'))
          execute(restaurant->IsFirst('m'), restaurant, schedule, time_now, chose);
        restaurant->AddToQueue(group, 'w');
        if (restaurant->IsWaiterFree(group) != nullptr)
        {
          group->SetPhase(3);
          break;
        } //else
        group->SetPhase(3);
        active = false;
        break;
      case 3: // FAZA 4 table only
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        restaurant->IsWaiterFree(group);
        restaurant->use_employe(restaurant->GetFromQueue('w'), 'w', group->GetNumberOfEmploye());
        save << "waiter get group from queue and started service (group id=" << group->GetId() << ")" << endl;
        cout << "waiter get group from queue and started service (group id=" << group->GetId() << ")" << endl;
        schedule->AddToAgenda(new Event(group, rand() % 20 + time_now));
        active = false;
        group->SetPhase(4);
        break;
      case 4: // FAZA 5 table only
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        restaurant->free_employe('w', group->GetNumberOfEmploye());
        save << "waiter ended the group service (group id=" << group->GetId() << ")" << endl;
        cout << "waiter ended the group service (group id=" << group->GetId() << ")" << endl;
        group->SetPhase(5);
        if (restaurant->IsFirst('w'))
        {
          execute(restaurant->IsFirst('w'), restaurant, schedule, time_now, chose);
        }
        break;
      case 5: // faza 6
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        if (group->GoToBuffet()) // jeżeli bufetowa grupa
        {
          save << "consumption in buffet started (group id=" << group->GetId() << ")" << endl;
          cout << "consumption in buffet started (group id=" << group->GetId() << ")" << endl;
          schedule->AddToAgenda(new Event(group, rand() % 20 + time_now));
          active = false;
        }
        else
        {
          save << "consumption in table started (group id=" << group->GetId() << ")" << endl;
          cout << "consumption in table started (group id=" << group->GetId() << ")" << endl;
          schedule->AddToAgenda(new Event(group, rand() % 20 + time_now));
          active = false;
        }
        group->SetPhase(6);
        break;
      case 6: // FAZA 7
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        if (group->GoToBuffet()) // jeżeli bufetowa grupa
        {
          save << "place in buffet now is free (group id=" << group->GetId() << ")" << endl;
          cout << "place in buffet now is free (group id=" << group->GetId() << ")" << endl;
          restaurant->free_employe('b', group->GetNumberOfEmploye());
          restaurant->AddToQueue(group, 'c');
          save << "group add to queue to cashiers (group id=" << group->GetId() << ")" << endl;
          cout << "group add to queue to cashiers (group id=" << group->GetId() << ")" << endl;
          if (restaurant->IsFirst('b'))
            execute(restaurant->IsFirst('b'), restaurant, schedule, time_now, chose);
        }
        else
        {
          restaurant->FreeTable(group);
          save << "table now is free (group id=" << group->GetId() << ")" << endl;
          cout << "table now is free (group id=" << group->GetId() << ")" << endl;
          restaurant->AddToQueue(group, 'c');
          save << "group add to queue to cashiers (group id=" << group->GetId() << ")" << endl;
          cout << "group add to queue to cashiers (group id=" << group->GetId() << ")" << endl;
        }
        group->SetPhase(7);
        break;
      case 7: //faza 8
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
        }
        restaurant->IsCashierFree(group); // przed przypisaniem do grupy znajduję nam który to będzie kasjer i zapsiuje to w polu numberofemployee
        save << "group are serviced by cashier (group id=" << group->GetId() << ")" << endl;
        cout << "group are serviced by cashier (group id=" << group->GetId() << ")" << endl;
        restaurant->use_employe(restaurant->GetFromQueue('c'), 'c', group->GetNumberOfEmploye());
        schedule->AddToAgenda(new Event(group, rand() % 20 + time_now));
        group->SetPhase(8);
        break;
      case 8: // faza 9
        if (chose == 's')
        {
          do
          {
            cout << '\n' << "Press a key to continue...";
          }
          while (cin.get() != '\n');
          system("cls");
        }
        restaurant->free_employe('c', group->GetNumberOfEmploye());
        save << "group was pay (group id=" << group->GetId() << ")" << endl;
        cout << "group was pay (group id=" << group->GetId() << ")" << endl;
        if (restaurant->IsFirst('c')) execute(restaurant->IsFirst('c'), restaurant, schedule, time_now, chose);
        save << "group are out of restaurant (group id=" << group->GetId() << ")" << endl;
        cout << "group are out of restaurant (group id=" << group->GetId() << ")" << endl;
        group->terminate();
        active = false;
        break;
      default:
        return;
      }
    }
    save.close();
  }
};