/*
Name: Dan Frese
Date: 5/2/2014
File: GrItem.cpp
Description: This is the GrItem class. It's purpose is to sort and search the user requested file to
			 process the name, tax, price, and type of sale. Then prints to the screen
*/

#include "stdafx.h"
#include "StoreInfo.h"
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <iomanip>

using namespace std;

// Tax rate catagories
const double alcohol = 0.08;
const double food = 0.05;
const double genMerchandise = 0.07;
const double medicine = 0.04;

const int listSize = 20;
// Main method
int main(){

	double costBeforeTax = 0.0, costAfterTax = 0.0, custSaving = 0.0;
	double alcTax = 0.0, food = 0.0, genMerch = 0.0, meds = 0.0;
	typedef enum taxAmount{ alcTax, food, genMerch, meds } taxAmount;// Enum to hold values of total taxes collected for each tax bracket

	string input;// Holds each line from the imported textfile temporarily
	string fileName;// Name of grocery list user wishes to use
	fstream nameFile;// File stream object
	GrListItem itemList[listSize];// Creates a list of objects. These objects are each item on the list and hold related information
	std::vector<GrListItem> vectorList(itemList, itemList + listSize);

	// Requests data from user
	cout << "What is the name of the grocery list you wish to use? " << endl;
	getline(cin, fileName);// Retrieves filename from user and applies string to grListName

	// Tests to see if file can be opened
	fstream testFile(fileName, ios::out);
	if (testFile.fail()){
		cout << "ERROR: Cannot open indicated file.\n";
		return 0;
	}

	// Open data file
	nameFile.open(fileName, ios::in);
	if (nameFile){
		int count = 0;
		while (nameFile && count < listSize){

			// Read the name
			getline(nameFile, input, '#');
			vectorList[count].name = input;// Assigns item name to the object inside itemList.name

			// Read quantity
			getline(nameFile, input, '$');
			vectorList[count].quantity = atoi(input.c_str());// Casts string to an int

			// Read regular price
			getline(nameFile, input, '$');
			vectorList[count].regPrice = stof(input.c_str());// Casts string to a float

			// Read sale price
			getline(nameFile, input, '#');
			vectorList[count].salePrice = stof(input.c_str());

			// Read on sale bool
			getline(nameFile, input, '#');
			if (input == "Y");
			vectorList[count].onSale = atoi(input.c_str());

			// Read tax category
			getline(nameFile, input, '#');
			vectorList[count].taxCategory = atof(input.c_str());// Casts string to a double

			count++;
		}
		// Close file
		nameFile.close();
	}
	else
		cout << "ERROR: Cannot open file.\n";

	// Sort array
	// OFFER USER TO CHOOSE HOW THEY WOULD LIKE TO SORT THEIR LIST!!!
	std::sort(vectorList.begin(), vectorList.end(), sortByName);

	// For loop that creates a receipt on the screen
	for (int i = 0; i != listSize; ++i){
		std::cout << vectorList[i].name << endl;// Print item name
		std::cout << std::setfill(' ') << std::setw(20);
		std::cout.fill(' ');

		std::cout << std::setfill(' ') << std::setw(5);// Print item quantity
		std::cout << vectorList[i].quantity << endl;
		std::cout.fill(' ');

		std::cout << std::setfill(' ') << std::setw(5);// Print regular price of item
		std::cout << vectorList[i].regPrice << endl;
		std::cout.fill(' ');

		std::cout << std::setfill (' ') << std::setw(5);// Print sale price of item
		std::cout << vectorList[i].salePrice << endl;
		std::cout.fill(' ');

		std::cout << vectorList[i].onSale << endl;// Print whether or not item is on sale
		std::cout.width(3);
		std::cout.fill(' ');

		std::cout << vectorList[i].GrListItem::taxCategory << endl;// Print tax category
		std::cout.width(20);
		std::cout.fill(' ');
	}

}

// Constructor
GrItem::GrItem(string name, int quantity, float regPrice, float salePrice, bool onSale, enum GrListItem::taxCategory taxCategory){

	name = name;
	quantity = quantity;
	regPrice = regPrice;
	salePrice = salePrice;
	onSale = onSale;
	enum GrListItem::taxCategory tax = taxCategory;

};

// Default constructor
GrItem::GrItem() {
}

// Get the total cost before the tax
void getTotBeforeTax(double itemPrice){
	double costBeforeTax = 0.0;
	costBeforeTax += itemPrice;

}

// Get the total amount of tax for each category
void getTotTaxCategory(){


}

// Get the total after tax
void getTotAfterTax(){


}

// Get customer savings (total of all differences between regular price and sale price for items that are currently on sale)
void getCustSave(){


}

// Function that is called to sort by name
bool sortByName(const GrListItem &lhs, const GrListItem &rhs){
	return lhs.name < rhs.name;
}

// Function that is called to sort by quantity
bool sortByQuantity(const GrListItem &lhs, const GrListItem &rhs){
	return lhs.quantity < rhs.quantity;
}

// Function that is called to sort by regular price
bool sortByRegPrice(const GrListItem &lhs, const GrListItem &rhs){
	return lhs.regPrice < rhs.regPrice;
}

// Function that is called to sort by sale price
bool sortBySalePrice(const GrListItem &lhs, const GrListItem &rhs){
	return lhs.salePrice < rhs.salePrice;
}