Main

#include <iostream>
#include <fstream>
#include <stdexcept>
#include <memory>
#include "Employee.h"

using namespace std;

int main(int argc, char* argv[]) {
	// Check if a filename was provided as a command-line argument
	if (argc != 2) {
		std::cerr << "Usage: " << argv[0] << " <XMLFile>" << std::endl;
		return 1;
	}

	const std::string filename = argv[1];

	// Open the XML file for reading
	std::ifstream xmlFile(filename);
	if (!xmlFile) {
		std::cerr << "Error: Could not open file " << filename << std::endl;
		return 1;
	}
	else {
		Employee* employee = nullptr;
		try {
			// Read the XML and create the Employee from XML
			std::cout << "Employee successfully loaded from XML:" << std::endl;
			while ((employee = Employee::fromXML(xmlFile)) != nullptr) {
				std::cout << "Parsing employee\n";
				employee->display(std::cout); // Display the employee information
				std::cout << std::endl;
			}
			// Output the last Employee object after the loop ends
			if (employee != nullptr) {
				employee->display(std::cout);
			}
		}
		catch (const std::runtime_error& e) {
			// Catch and display any runtime errors (e.g., XML parsing errors)
			std::cerr << "Error: " << e.what() << std::endl;
			return 1;
		}

		return 0;
	}
}