/*
 * File: InputHelper.h
 * Description: Handles input validation and error handling
 * Author: Smitha
 * Created: 08-Apr-2026
 */

#pragma once
#include <iostream>
#include <limits>
#include <string>
#include <stdexcept>

namespace util
{
    /*
    * Function: read
    * Description: Reads input from console into a variable of type T.
    * Parameters:
    * value - reference to a variable of type T where the input will be stored
    * Returns:
    * void - throws runtime_error if input is invalid
    */

    template <typename T>
    inline void read(T& value)
    {
        if (!(std::cin >> value))
        {
            std::cin.clear();
            std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
            throw std::runtime_error("Invalid console input");
        }
    }

    /*
    * Function: read
    * Description: Reads a line of text input from console into a string.
    * Parameters:
    * value - reference to a string where the input will be stored
    * Returns:
    * void - no return value
    */

    inline void read(std::string& value)
    {
        std::getline(std::cin >> std::ws, value);
    }

    /*
    * Function: pressEnter
    * Description: Pauses execution until the user presses Enter.
    * Parameters: None
    * Returns: void - no return value
    */

    inline void pressEnter()
    {
	    system("pause");
    }
}