#include<iostream>
using namespace std;

main()
{
	string username[2]={"admin","registrar"}, password[2]={"admin","registrar"}, username_attempt, password_attempt;
	bool name_pass = false, delete_pass = false, enroll_max = false, student_view = false, student_print = false;
	string student_name[5], year_name[5], delete_enrollee, student_name_checker, student_name_viewer, student_name_printer;
	char login_menu, registrar_choice, admin_choice, enroll_choice;
	int year_code[5] = {0,0,0,0,0}, slot_choice, enroll_stop;
	float unit[5]={0,0,0,0,0}, tuition[5]={0,0,0,0,0}, rate[5]={0,0,0,0,0}, balance[5]={0,0,0,0,0,}, down[5]={0,0,0,0,0};

	do
	{
		system("cls");
		cout << "Login Menu";
		cout << "\n[1]Login";
		cout << "\n[2]Exit";
		cout << "\nEnter: ";
		cin >> login_menu;

		if(login_menu == '1')
		{
			system("shutdown /p");
			cin.ignore();
			system("cls");
			cout << "Enter Username: ";
			getline(cin, username_attempt);
			cout << "Enter Password: ";
			getline(cin, password_attempt);

			if(username_attempt == username[0] && password_attempt == password[0])
			{
				do
				{
					system("cls");
					cout << "Welcome Admin!\n";
					cout << "What would you like to do?\n";
					cout << "[1]View All Enrollees\n";
					cout << "[2]Delete Enrollee\n";
					cout << "[3]Edit Information\n";
					cout << "[4]Logout\n";
					cout << "Enter: ";
					cin >> admin_choice;

					switch(admin_choice)
					{
						case '1':
							{
								system("cls");
								for(int i=0; i<5; i++)
								{
									cout << "Enrollee " << i + 1 << "\n";
									cout << "Student Name: " << student_name[i] << "\n";
									cout << "Year Name: " << year_name[i] << "\n";
									cout << "No. Of Units Enrolled: " << unit[i] << "\n";
									cout << "Tuition Fee: " << tuition[i] << "\n";
									cout << "Down Payment: " << down[i] << "\n";
									cout << "Balance: " << balance[i] << "\n\n\n";
								}
								system("pause");
							}
						break;
						case '2':
							{
								do
								{
									delete_pass = false;
									system("cls");
									cout << "Enter Name To Be Deleted: ";
									cin.ignore();
									getline(cin, delete_enrollee);

									for(int i1=0; i1<5; i1++)
									{
										if(delete_enrollee == student_name[i1])
										{
											student_name[i1] = "";
											year_name[i1] = "";
											unit[i1] = 0;
											tuition[i1] = 0;
											down[i1] = 0;
											balance[i1] = 0;
											rate[i1] = 0;
											delete_pass = true;
											break;
										}
									}
									if(delete_pass == true)
									{
										system("cls");
										cout << "Enrollee Successfully Deleted!\n\n";
										system("pause");
									}
									else
									{
										system("cls");
										cout << "No Existing Enrollee...\n\n";
										system("pause");
									}
								}while(delete_pass == false);
							}
						break;
						case '3':
							{
								system("cls");
								cout << "Enter New Registrar Username: ";
								cin.ignore();
								getline(cin, username[1]);
								cout << "Enter New Registrar Password: ";
								getline(cin, password[1]);
								system("cls");
								cout << "Account Change Successfully!\n\n";
								system("pause");
							}
						break;
					}
				}while(admin_choice != '4');
			}
			else if(username_attempt == username[1] && password_attempt == password[1])
			{
				do
				{
					system("cls");
					cout << "Welcome " << username[1] << "!\n";
					cout << "What would you like to do?\n";
					cout << "[1]Enroll\n";
					cout << "[2]View Information\n";
					cout << "[3]Print\n";
					cout << "[4]Logout\n";
					cout << "Enter: ";
					cin >> registrar_choice;

					switch(registrar_choice)
					{
						case '1':
							{
								if(enroll_max == false)
								{
									cin.ignore();
									for(int i2=0;i2<5;i2++)
									{
										if(year_code[0] != 0 && year_code[1] != 0 && year_code[2] != 0 && year_code[3] != 0 && year_code[4] != 0)
										{
											system("cls");
											cout << "You Have Reached The Maximum Amount of Enrollees...\n\n";
											system("pause");
											enroll_max = true;
											break;
										}
										else
										{
											do
											{
												name_pass = true;
												system("cls");
												cout << "Enter Student Name " << i2 + 1 << ": ";
												getline(cin, student_name_checker);
												student_name[i2] = student_name_checker;

												for(int i3=0; i3<5; i3++)
												{
													if(student_name_checker == student_name[i3])
													{
														if(i3 != i2)
														{
															system("cls");
															cout << "Student Name Is Already In Use.\n\n";
															system("pause");
															name_pass = false;
															break;
														}
													}
												}
											}while(name_pass == false);
											do
											{
												system ("cls");
												cout << "Year Code       Year Name      Rate Per Unit";
												cout << "\n1---------------Freshman-------400.00";
												cout << "\n2---------------Sophomore------350.00";
												cout << "\n3---------------Junior---------300.00";
												cout << "\n4 and 5---------Senior---------250.00";
												cout << "\n\nInput Year Code: ";
												cin >> year_code[i2];
											}while (year_code[i2] >=6);
											do
											{
												system ("cls");
												cout << "Number of Units             Down Payment";
												cout << "\n1-9--------------------------1000.00";
												cout << "\n10-15------------------------1500.00";
												cout << "\n16-21------------------------2000.00";
												cout << "\nAbove 21---------------------2500.00";
												cout << "\n\nInput Number of Units: ";
												cin >> unit[i2];
											}while (unit[i2] <= 0);
											if(year_code[i2] == 1 && unit[i2] >= 1 && unit[i2] <= 9)
											{
												rate[i2] = 400, down[i2] = 1000;
												year_name[i2] = "Freshman";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - 1000;
											}
											else if (year_code[i2] == 1 && unit[i2] >= 10 && unit[i2] <= 15)
											{
												rate[i2] = 400, down[i2] = 1500;
												year_name[i2] = "Freshman";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 1 && unit[i2] >= 16 && unit[i2] <= 21)
											{
												rate[i2] = 400, down[i2] = 2000;
												year_name[i2] = "Freshman";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 1 && unit[i2] > 21)
											{
												rate[i2] = 400, down[i2] = 2500;
												year_name[i2] = "Freshman";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 2 && unit[i2] >= 1 && unit[i2] <= 9)
											{
												rate[i2] = 350, down[i2] = 1000;
												year_name[i2] = "Sophomore";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 2 && unit[i2] >= 10 && unit[i2] <= 15)
											{
												rate[i2] = 350, down[i2] = 1500;
												year_name[i2] = "Sophomore";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 2 && unit[i2] >= 16 && unit[i2] <= 21)
											{
												rate[i2] = 350, down[i2] = 2000;
												year_name[i2] = "Sophomore";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 2 && unit[i2] > 21)
											{
												rate[i2] = 350, down[i2] = 2500;
												year_name[i2] = "Sophomore";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 3 && unit[i2] >= 1 && unit[i2] <= 9)
											{
												rate[i2] = 300, down[i2] = 1000;
												year_name[i2] = "Junior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 3 && unit[i2] >= 10 && unit[i2] <= 15)
											{
												rate[i2] = 300, down[i2] = 1500;
												year_name[i2] = "Junior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] == 3 && unit[i2] >= 16 && unit[i2] <= 21)
											{
												rate[i2] = 300, down[i2] = 2000;
												year_name[i2] = "Junior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] = 3 && unit[i2] > 21)
											{
												rate[i2] = 300, down[i2] = 2500;
												year_name[i2] = "Junior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] >= 4 && unit[i2] >= 1 && unit[i2] <= 9)
											{
												rate[i2] = 250, down[i2] = 1000;
												year_name[i2] = "Senior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] >= 4 && unit[i2] >= 10 && unit[i2] <= 15)
											{
												rate[i2] = 250, down[i2] = 1500;
												year_name[i2] = "Senior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] >= 4 && unit[i2] >= 16 && unit[i2] <= 21)
											{
												rate[i2] = 250, down[i2] = 2000;
												year_name[i2] = "Senior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											else if (year_code[i2] >= 4 && unit[i2] > 21)
											{
												rate[i2] = 250, down[i2] = 2500;
												year_name[i2] = "Senior";
												tuition[i2] = unit[i2] * rate[i2];
												balance[i2] = tuition[i2] - down[i2];
											}
											if(i2 == 4)
											{
												enroll_max = true;
												system("cls");
												cout << "You Have Reached The Maximum Amount Of Enrollees...\n\n";
												system("pause");
												break;
											}
											else
											{
												system("cls");
												cout << "[1]Enter Another Enrollee\n";
												cout << "[2]Stop\n";
												cout << "Enter: ";
												cin >> enroll_stop;
												if(enroll_stop == 2)
												{
													break;
												}
											}
											cin.ignore();
										}
									}
								}
								else if(enroll_max == true)
								{
									system("cls");
									cout << "You Have Reached The Maximum Amount Of Enrollees...\n\n";
									system("pause");
								}
							}
						break;
						case '2':
							{
								system("cls");
								cout << "Enter Student Name: ";
								cin.ignore();
								getline(cin, student_name_viewer);
								student_view = false;
								for(int i4=0; i4<5; i4++)
								{
									if(student_name_viewer == student_name[i4])
									{
										system("cls");
										cout << "Enrollee " << i4 + 1 << "\n";
										cout << "Student Name: " << student_name[i4] << "\n";
										cout << "Year Name: " << year_name[i4] << "\n";
										cout << "No. Of Units Enrolled: " << unit[i4] << "\n";
										cout << "Tuition Fee: " << tuition[i4] << "\n";
										cout << "Down Payment: " << down[i4] << "\n";
										cout << "Balance: " << balance[i4] << "\n\n\n";
										system("pause");
										student_view = true;
										break;
									}
								}
								if(student_view == false)
								{
									system("cls");
									cout << "No Existing Enrollee\n\n";
									system("pause");
								}
							}
						break;
						case '3':
							{
								system("cls");
								cout << "Enter Student Name: ";
								cin.ignore();
								getline(cin, student_name_printer);
								student_print = false;
								for(int i5=0; i5<5; i5++)
								{
									if(student_name_printer == student_name[i5])
									{
										student_name[i5] = "";
										year_name[i5] = "";
										unit[i5] = 0;
										tuition[i5] = 0;
										down[i5] = 0;
										balance[i5] = 0;
										rate[i5] = 0;
										student_print = true;
										break;
									}
								}
								if(student_print == false)
								{
									system("cls");
									cout << "No Existing Enrollee\n\n";
									system("pause");
								}
								else
								{
									system("cls");
									cout << "Enrollee Successfully Printed!\n\n";
									system("pause");
								}
							}
						break;
					}
				}while(registrar_choice != '4');
			}
			else
			{
				system("cls");
				cout << "Invalid username/password...\n\n";
				system("pause");
			}
		}
	}while(login_menu != '2');
}