//  Project 2 for CS 1704 Spring 2004
//
//  Programmer:    Robert Houtman
//  OS:            Windows XP Professional
//  Last modified: 24 FEB 2004
//
//  Purpose
//  This program reads a list of students and multimedia collections that
//	each student has.  
//
//  The program then gets commands from an input file to manage the 
//  database.

#include<fstream>
#include<string>
#include<cassert>
#include "Info.h"  //includes Info class definition from header file
using namespace std;

int main()
{	
	ofstream oFile("output.data"); //Opens the output file	
	ifstream iFile("commands.data"); //Opens the student input data file
	assert(iFile);

	Info Database;
	Database.FirstAddS(oFile);

	string command;	//string to hold command
	int commandcase; //variable to hold command case so it can be used for the switch statement
	string email; //variable to hold email address

	getline(iFile, command, ' '); //puts command into the command variable
	while (iFile)
	{
		//This if else if statement gives the ability to use a switch statement to call
		//each specific function according to the command given
		if(command == "print" || command == "print ")
		{
			commandcase = 1;
		}
		else if(command == "add"|| command == "add ")
		{
			commandcase = 2;
		}
		else if(command == "delete" || command == "delete ")
		{
			commandcase = 3;
		}
		else if(command == "quit" || command == "quit ")
		{
			commandcase = 4;
		}
		else
		{
			commandcase = 5;
		}

		switch (commandcase)
		{
			case 1:	getline(iFile, command, '\n');
					oFile << "print " << command << endl;//outputs command
					Database.Print(oFile, command);//calls print function
					break;

			case 2:	getline(iFile, command, '\n');	//gets next word in command line
					oFile << "add " << command << endl;	//outputs command

					//This if else if statement determines which method should be called
					if(command == "student" || command == "student ")
					{
						Database.AddStud(iFile, oFile);	//calls StudInfo add function
					}
					else if(command == "item" || command == "item ")
					{
						Database.AddItem(iFile, oFile); //calls ItemInfo add function
					}
					else
					{
						oFile << "Cannot add " << command << endl;	//default output
					}
					break;
			
			case 3:	iFile >> command;
					oFile << "delete " << command << endl;//outputs command
					email = command;//transfers command variable to email variable so 
											//it can be passed into the function
					Database.Delete(email, oFile);	//calls remove functions
					break;

			case 4:	oFile << "quit\n"; //outputs command
					iFile.close();
					oFile.close();	//closes file streams
					return 0;	//ends program

			case 5:	oFile << "Invalid command\n";//default output
					break;

		}
		iFile >> command;
		iFile.ignore(1, ' ');
	}
}



//On my honor:

//- I have not discussed the C++ language code in my program with anyone other than my instructor 
//or the teaching assistants assigned to this course.

//- I have not used C++ language code obtained from another student, or any other 
//unauthorized source, either modified or unmodified. 

//- If any C++ language code or documentation used in my program was obtained 
//from another source, such as a textbook or course notes, that has been clearly noted with a proper citation in the comments of my program.

//- I have not designed this program in such a way as to defeat or interfere 
//with the normal operation of the Curator System.
//Robert Houtman