main.cpp

/*
 * Launcher: starts server, gateway, and client in separate console windows.
 * When run from IDE as the main target, opens three windows.
 * Run server, gateway, or client target individually for a single console.
 */

#include <cstdlib>
#include <string>
#include <iostream>

#if defined(_WIN32) || defined(_WIN64)
#define EXE_EXT ".exe"
#else
#define EXE_EXT ""
#endif

int main(int argc, char** argv)
{
    // Paths relative to current working directory (build directory when run from IDE)
    std::string server_exe = "server/server" EXE_EXT;
    std::string gateway_exe = "gateway/gateway" EXE_EXT;
    std::string client_exe = "client/client" EXE_EXT;

#if defined(_WIN32) || defined(_WIN64)
    // On Windows, use "start" to open each in a new console window
    std::cout << "Starting Server, Gateway, and Client in separate windows..." << std::endl;

    auto runInNewConsole = [](const std::string& title, const std::string& exe) {
        std::string cmd = "start \"" + title + "\" \"" + exe + "\"";
        int r = std::system(cmd.c_str());
        if (r != 0) {
            std::cerr << "Failed to start " << title << " (" << exe << ")" << std::endl;
            return false;
        }
        return true;
    };

    if (!runInNewConsole("Server", server_exe)) return 1;
    if (!runInNewConsole("Gateway", gateway_exe)) return 1;
    if (!runInNewConsole("Client", client_exe)) return 1;

    std::cout << "All three applications started. Close this window or press Enter to exit launcher." << std::endl;
    std::cin.get();
#else
    // On Unix, run in background (or use xterm/gnome-terminal for separate windows)
    std::cout << "Starting Server in background..." << std::endl;
    std::system(("./" + server_exe + " &").c_str());
    std::cout << "Starting Gateway in background..." << std::endl;
    std::system(("./" + gateway_exe + " &").c_str());
    std::cout << "Starting Client (foreground)..." << std::endl;
    std::system(("./" + client_exe).c_str());
#endif

    return 0;
}