#include <iostream>
#include <string>
#include <map>
#include <cstdlib>
#include <filesystem>

#include "shellUtils.h"

#define WIN_EXEC .append(".exe") // executables on windows need .exe to run

int main()
{
    std::cout << std::unitbuf;
    std::cerr << std::unitbuf;

    bool exit {false};
    while (!exit)
    {
        std::string input;
        std::cout << "$ ";
        std::getline(std::cin, input);
        std::optional<std::filesystem::path> result;
        switch (sh::Command command = sh::getCommand(input))
        {
            case sh::Command::exit:
                exit = true;
                break;
            case sh::Command::echo:
                std::cout << input.substr(5) << "\n";
                break;
            case sh::Command::unknown:
                result = sh::isExec(input.substr(0, input.find(' '))WIN_EXEC);
                if (result)
                {
                    std::system(input.c_str());
                }
                else
                {
                    std::cout << input << ": command not found\n";
                }
                break;
            case sh::Command::type:
                sh::printType(input.substr(5)WIN_EXEC);
                break;
        }
    }
}