#include"console.h"
#include<iostream>
#include<conio.h>
#include<string>

using namespace std;

/* TÀI KHOẢNG CỦA GIÁO VIÊN / HỌC SINH */

#define TEACHER_USERNAME "trucvy"
#define TEACHER_PASSWORD "abc123!"
#define STUDENT_USERNAME "dinhhuukien"
#define STUDENT_PASSWORD "abc123!"

typedef struct Student {

	string MSSV;

	string Ho;
	string Lot;
	string Ten;

	string hoTen = Ho + Lot + Ten;

	float ANHVAN, GDTC, NMLT, PLDC, TCC, TH_NMLT, TH_PCMT, THUD, VLDC;


};
typedef struct StudentNode {
	
	Student student;
	StudentNode *next;

};
typedef struct StudentList{

	StudentNode *head;
	StudentNode *tail;

};

void modifyStudent(Student &sd1, Student &sd2) {

	sd1.hoTen = sd2.hoTen;

}
void printStudentList(StudentList &l) {

	StudentNode *p = l.head;

	cout << "Ma so sinh vien:      Ten Sinh vien:"<<endl;

	while (p != NULL) {

		cout << p->student.MSSV << "	      " << p->student.hoTen << endl;

		p = p->next;
	}
}
StudentNode *getStudentNode(Student sd) {

	StudentNode *p = new StudentNode;

	if (p == NULL) {
		cout << "Khong du bo nho";
		exit(NULL);
	}

	p->student.MSSV = sd.MSSV;
	p->student.Ho = sd.Ho;
	p->student.Lot = sd.Lot;
	p->student.Ten = sd.Ten;

	p->student.hoTen = sd.Ho +" "+ sd.Lot +" "+ sd.Ten;

	p->next = NULL;

	return p;

}
void insertHead(StudentList &l, Student sd) {

	StudentNode *p = getStudentNode(sd);

	if (p == NULL){
		cout << "Sai du lieu";
		exit(NULL);
	}

	if (l.head == NULL)
		l.head = l.tail = p;

	else {

		p->next = l.head;
		l.head = p;
	}



}
string getClientPerm() {

	appMenu();
	int clientAnswer;

	cout << "       DANG NHAP VOI QUYEN HAN LA \n" << endl;
	cout << "	1. Giao vien (Teacher)\n	2. Sinh vien (Student)\n	3. Thoat chuong trinh\n  -> ";;
	cin >> clientAnswer;

	switch (clientAnswer) {
	case 1:
		return "teacher";
		break;
	case 2:
		return "student";
		break;
	default:

		exit(NULL);
		break;
	}

}
void loadStudentToList(StudentList &l, char *fileName) {

	Student sd;
	StudentNode *p = l.head;

	char MSSV[50];
	char Ho[50];
	char Lot[50];
	char Ten[50];

	FILE *f;

	f = fopen(fileName, "r");

	if (f == NULL)
	{
		cout << "Khong tim thay du lieu";
		exit(NULL);
	}

	for (int i = 0; i < 275; i++) {

		fscanf(f, "%s", &MSSV);

		fseek(f, 10, SEEK_SET);

		fscanf(f, "%s %s %s", &Ho, &Lot, &Ten);

		sd.MSSV = string(MSSV);
		sd.Ho = string(Ho);
		sd.Lot = string(Lot);
		sd.Ten = string(Ten);

		insertHead(l, sd);
	}

	fclose(f);
}
void appMenu(){

	cout << "= = = = = = = = = = = = = = = = = = = = = = = = " << endl;
	cout << "=                                             = " << endl;
	cout << "=   CHUONG TRINH QUAN LY HOC SINH/SINH VIEN   = " << endl;
	cout << "=       ( STUDENTS MANAGEMENT SYSTEM )        = " << endl;
	cout << "=                                             = " << endl;
	cout << "= = = = = = = = = = = = = = = = = = = = = = = = " << endl;
	cout << endl << endl;

}
bool isTeacherAccount() {

	string password;
	string username;

	clrscr();
	appMenu();

	cout << "       DANG NHAP TAI KHOANG \n" << endl;

	do {

		fflush(stdin);

		cout << "\n   [*] Nhap tai khoang Giao Vien:\n  ->";
		getline(cin, username);


		cout << "\n   [*] Nhap mat khau Giao Vien:\n  ->";
		getline(cin, password);

		if (password != TEACHER_PASSWORD || username != TEACHER_USERNAME) {

			cout << "\nTai khoang hoac Mat Khau da nhap khong chinh xac" << endl;
			cout << "An ESC de tro lai. An bat ky de Dang Nhap lai";

		} else

			return true;

	} while (_getch() != 27);

	return false;
}
void main() {

	//int clientAnswer;

	//appMenu();

	//cout << "   NHAP SO DE CHON TINH NANG TUONG UNG\n" << endl;
	//cout << "           1. Dang nhap\n        2. Thoat chuong trinh\n -> ";
	//cin >> clientAnswer;
	//
	//switch (clientAnswer) {
	//	case 1:
	//		clrscr();
	//		break;
	//	case 2:
	//		exit(NULL);
	//		break;
	//	default:
	//		clrscr();
	//		main();
	//		break;
	//}


	//if ("teacher" == getClientPerm())
	//	if (isTeacherAccount()) {
	//		cout << "Dang nhap Thanh Cong, chuyen den giao dien Quan Ly";
	//		Sleep(1000);
	//		clrscr();
	//	}
	//else
	//	clrscr();
	
	StudentList l;
	l.head = l.tail = NULL;
	char *fileName = "mssv_hoten.txt";

	loadStudentToList(l, fileName);

	printStudentList(l);

	_getch();

}