/*	Cody Cook
	2023/04/13
	CS-210 Project 3
*/
#include <iostream> // use cout and cin
#include <vector>	// for use in menuItems

#include "Items.h"

using namespace std;

void menu()
{
	unsigned int input = 0;
	Items Items;
	string search;

	// create a vector of the menu items
	vector<string> menuItems = {
		"Check the purchase frequency of an item.",					   // input 1
		"Display the purchase frequency of all items.",				   // input 2
		"Display the purchase frequency of all items in a histogram.", // input 3
		"Exit."														   // input 4
	};

	// loop until the user enters the exit input
	while (input != 4)
	{
		cout << "Corner Grocer: Inventory Menu\n\n";
		for (unsigned int i = 0; i < menuItems.size(); i++)
		{
			cout << c_red << i + 1 << c_normal << ". " << menuItems[i] << endl;
		}
		cout << endl
			 << "Enter your choice: " << c_red;
		cin >> input;
		cout << c_normal;

		// if the user enters a non-integer
		if (cin.fail())
		{
			cin.clear();			// clear the error flag
			cin.ignore(1000, '\n'); // ignore the rest of the input
			input = 0;				// set the input to 0
		}
		cout << endl;
		switch (input)
		{
		case 1:
			cout << "Enter an item you wish to check the purchase frequency: ";
			cout << c_red;
			cin >> search;
			cout << c_normal;
			Items.GetInventory(search);
			break;
		case 2:
			Items.PrintInventory(1);
			break;
		case 3:
			Items.PrintInventory(2);
			break;
		case 4:
			cout << "Goodbye!" << endl;
			break;
		default:
			cerr << "Invalid input. Please try again." << endl;
			break;
		}
		cout << endl;
		system("pause");
		cout << endl;
	}
}

int main()
{
	// call the menu function
	menu();

	// return successful
	return 0;
}