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;
        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) {
                cout << "Parsing employee\n";
                employee->display(std::cout); // Display the employee information
                cout << endl;
            }
            // Output the Employee object as XML again (for validation)
            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;
}