#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <fstream>


using namespace std;

int main()
{
	string sChoice, sTemp, sFName, sMName, sLName, sFullName, sID, sClass;
	ifstream iFile;
	ofstream oFile;
	int iTemp;
	const char READING = 'A', ADDING = 'B', DISPLAYING = 'C', SORTING = 'D', WRITING = 'E', SEARCHING = 'F', ENDING = 'G';
	vector <string> vName, vID, vClass;

	do {
		//Display menu
		cout << "\nStudent List Menu\n";
		cout << " A. Reading student list from a file \n";
		cout << " B. Adding student information into student list \n";
		cout << " C. Displaing the content of the student list \n";
		cout << " D. Sorting and displaying he content of student list \n";
		cout << " E. Writing thestudent list to a file \n";
		cout << " F. Searching for a students info from list \n";
		cout << " G. Ending program \n";

		cout << " Please select a choice: ";
		getline(cin, sChoice);
		switch (toupper(sChoice[0]))
		{
		case READING:
			cout << "\Please enter the password: ";
			getline(cin, sTemp);
			iFile.open(sTemp.c_str());

			//testfor error
			while (iFile.fail())
			{
				iFile.clear();
				iFile.ignore();
				cout << " \nOpening error! Please re enter: \n";
				getline(cin, sTemp);
				iFile.open(sTemp.c_str());
			}
			while (getline(iFile, sTemp))
			{
				istringstream isObject(sTemp);
				isObject >> sFName >> sMName >> sLName >> sID >> sClass;
				if (sMName == "|")
				{
					sMName = " ";
					sFullName = sFName + " " + sLName;
				}
				else
				{
					sFullName = sFName + " " + sLName;
				}
				cout << left << setw(30) << sFName << setw(10) << sMName << setw(10) << sLName << setw(10) << sID << setw(10) << sClass << endl;

				vName.push_back(sFullName);
				vID.push_back(sID);
				vClass.push_back(sClass);
			}
			iFile.close();
			cout << " \nReading is successful \n";
			break;

		case ADDING:

			break;
		case DISPLAYING:
			cout << "content of stident list \n";
			for (int i = 0; vName.size(); i++)
				cout << setw(30) << vName[i] << setw(10) << vID[i] << setw(10) << vClass[i] << endl;
			break;
		case SORTING:
			cout << "\n The student list after sorting: \n";
			sort(vName.begin(), vName.end());
			//sort vName.begin

			break;
		case WRITING:

			break;
		case SEARCHING:

			break;
		case ENDING:

			break;
		default:
			cout << " Invalid password";
		}
	} while (toupper(sChoice[0]) != '6');

	return 0;
}