#include <iostream>
#include <fstream>
#include <string>

using namespace std;

struct Time{
    int hour;
    int minutes;};
struct Classes{
    std::string day;
    std::string location;
    std::string coursenumber;
    Time time;};

void getfile(ifstream& inData, string& filename);
void printmenu();
char getoption();
void print(ifstream& inData, string& filename);
Classes newentry(ifstream& inData, ofstream& outData, string& filename);
void NewSearch(ifstream& inData);

int main(){
    ifstream inData;
    ofstream outData;
    string filename;
    char option;


    getfile(inData, filename);
    do{
    printmenu();
    option = getoption();
    if(option =='N')
        newentry(inData,outData,filename);
    else if(option =='P')
        print(inData, filename);
    else if(option == 'S')
        NewSearch(inData);
    else if(option == 'Q')
        cout << "Thank you for using Your Class Schedule have a great day";
    }while(option != 'Q');

    return 0;
}

void getfile(ifstream& inData, string& filename)
{
    char choice;

    cout << "Do you have a new txt schedule file you wish to load from [Y] or [N]" <<endl<< "*For default Class.txt please select [N]*";

    cin >> choice;
    choice = toupper(choice);
    if(choice == 'Y'){
        do{
            cout << "Please enter a .txt filename you wish to load from.";
            cin >> filename;
            inData.open(filename.c_str());
            if (!inData)
                cout << "Please enter a valid file name" << endl;
        }while(!inData);
    }
    else
        filename = "class.txt";
        inData.close();

}

void printmenu()
{
    cout << "Welcome To Your Class Schedule! " << endl;
    cout << "To Add New Entry: [N]" << endl;
    cout << "To search: [S]" << endl;
    cout << "To print schedule: [P]" << endl;
    cout << "To Exit: [Q] " << endl;
}

Classes newentry(ifstream& inData, ofstream& outData, string& filename)
{
    Classes clas;
    Time tim;
    outData.open(filename.c_str(), ios::app);
    cout << "Please enter class Name: ";
    cin >> clas.day;
    outData << clas.day <<','<< " ";
    cout << "Please enter class Number: ";
    cin >> clas.coursenumber;
    outData << clas.coursenumber <<','<< " ";
    cout << "Please enter the day of the class: ";
    cin >> clas.day;
    outData << clas.day <<','<< " ";
    cout << "Please enter the location of the class: ";
    cin >> clas.location;
    outData << clas.location <<','<< " ";
    cout << "Please enter the hour of the class: ";
    cin >> tim.hour;
    outData << tim.hour << ':';
    cout << "Please enter the minutes:";
    cin >> tim.minutes;
    outData << tim.minutes << endl << endl;
    outData.close();
    return clas;

}
char getoption()
{
    char option;

    cin >> option;
    option = toupper(option);
    while(option != ('Q')&&(option != ('N'))&&(option != ('S'))&&(option !=('P'))){
        cout << "please enter valid option:" << endl;
        cin >> option;
        option = toupper(option);
    }
    return option;
}
void print(ifstream& inData, string& filename)
{
    string line;
    inData.open(filename.c_str());
    while(inData){
        getline(inData,line);
        cout << line << endl;
    }
    inData.close();
}
void NewSearch(ifstream& inData)
{
    string line, compare;

    cout << "How would you like to search:" << endl;
    cout << "class Name:[N]" << endl;
    cout << "Class location: [L]" << endl;
    cout << "class number:[#]" << endl;
    cout << "class time: [T]" << endl;
    cout << "Day of Class:[D]" << endl;
    cin >> compare;


}