#include <deerith/engine.h>
#include <unistd.h>
#include <sys/wait.h>

#include <deerith/core/log.h>
#include <vector>

#include <csignal>

namespace deerith
{
    std::vector<pid_t> executing_servers;
}

bool deerith::execute_client(const char *client_executable_path, int port)
{
    pid_t pid = fork();

    if (pid < 0)
    {
        deerith_error("execute_client fatal error");
        return false;
    }

    if (pid > 0)
    {
        executing_servers.push_back(pid);
        deerith_trace("server created");
        return true;
    }
    else
    {
        execl(client_executable_path,
              client_executable_path,
              "-p",
              "8080",
              nullptr);

        deerith_error("fatal error executing client");
        _exit(1);
    }
}

void deerith::shutdown_executing_servers()
{
    for (pid_t pid : executing_servers)
    {
        kill(pid, SIGTERM);
        waitpid(pid, nullptr, 0);
    }

    executing_servers.clear();
}