// *****************************************************************
// Author:			Zhixiang Chen
// Class:			CSCI/CMPE 1170, Spring 2009
// Lab Optional 4:	Arrays of structures
// Date:			January 17, 2009
// Comment: The code here is meant to be revised.
// *****************************************************************

#include <iostream>
#include <cstring>
#include <string>
#include <vector> 

using namespace std; 

#ifndef		LAB_OPTIONAL_4_HEAD_H		
#define		LAB_OPTIONAL_4_HEAD_H


//define studentType structure
struct studentType 
{
	string firstName,					//firstnames for students
		   lastName,					//last names for students
		   ID;							//IDs for students
	double record[COLUMN];		//record of attendance, hw1, ..., hw6, quiz, test1, test2, test3
	double score;						//scores for students
	char   grade;						//letter grades
}; 

/****************************************************************
 This function gets class information from the input file and store
 the info to three parallel array and one two dim array.
 inFile: input file
 firstNames, lastNames, IDs: three output parallel arrays
 csci1380: an array of studentType
 SIZE, COLUMN: two input parameters
 ****************************************************************/
void loadData(ifstream & inFile, 
			  vector<studentType> & csci1380, const int SIZE, const int COLUMN)
{
	
	char  str[1024]; 
	//skip the first three lines
	inFile.getline(str, 1080, '\n'); 
	cout<<str<<endl; 
	inFile.getline(str, 1080, '\n'); 
	cout<<str <<endl;
	inFile.getline(str, 1080, '\n'); 
	cout<< str<<endl; 

	for (int row = 0; row < SIZE;row++)
	{
		inFile	>> csci1380[row].firstName			//get first name
				>> csci1380[row].lastName			//get last name
				>> csci1380[row].ID;				//get ID

		for (int col = 0; col <COLUMN; col++)
		{
			inFile >> csci1380[row].record[col];	//get a row for csci1380
		}
		
		//initialize score and grade 
		csci1380[row].score = 0;					//0 initial score
		csci1380[row].grade = 'U';					//'U': undecided grade
	}
}

/****************************************************************
 This function computes scores for each student and decides
 his/her grade. The formula to calculate the scores of attendance 5%, 
 quiz 5%, homework 30%, tests 60%. The grade is decided as follows:
 A if score >= 90, B if 80<= score <90, C if 70<= score < 80, 
 D if 60 <= score <70, and F otherwise.
 ****************************************************************/
void grading(vector<studentType> & csci1380,						//input/output array
			 const int SIZE, const int COLUMN)		//input parameters
{
	//your code is here



}

/****************************************************************
 This function displays class information for CSCI 1380 
 in some nice format.
 ****************************************************************/
void showGrades(const vector<studentType> csci1380, 
				const int SIZE, const int COLUMN)
{
	for (int row=0; row<SIZE; row++)
	{
		//print name and ID the i-th student
		cout<<setw(7)<<left<<csci1380[row].firstName
			<<setw(7)<<left<<csci1380[row].lastName
			<<setw(7)<<left<<csci1380[row].ID;
	
		//print record of the i-th student
		for (int col=0; col<COLUMN; col++)
			cout<<setw(5)<<right<<setprecision(1)<<showpoint<<fixed<<csci1380[row].record[col]; 
		
		//print score and grdae
		cout<<setw(5)<<setprecision(1)<<showpoint<<fixed<<csci1380[row].score 
			<<setw(3)<<csci1380[row].grade;

		cout<<endl; 
	}
}


#endif