#include "textgame.hpp"
#include "driver.hpp"
#include "drivenengine.hpp"

class TNTest : public DrivenEngine {
public:
    std::vector<UniqueChannel> channels_;
    virtual void event_init() {
        // UniqueChannel ch = new_outgoing_channel("stanford.edu:80");
        // ch->out()->write_bytes("GET /index.html HTTP/1.1\n\n");
        // channels_.emplace_back(std::move(ch));
        listen_port(8085);
    }
    
    void dump_lines(StreamBuffer *in, StreamBuffer *out, int chid) {
        while (true) {
            std::string l = in->readline();
            if (l == "") break;
            std::ostringstream oss;
            oss << "Chan " << chid << ": " << l;
            out->write_bytes(oss.str());
        }
    }

    virtual void event_update() {
        while (true) {
            UniqueChannel ch = new_incoming_channel();
            if (ch == nullptr) break;
            ch->set_readline(true);
            channels_.emplace_back(std::move(ch));
        }

        Channel *stdioch = get_stdio_channel();
        dump_lines(stdioch->in(), stdioch->out(), 0);
        std::vector<UniqueChannel> keep;
        for (UniqueChannel &ch : channels_) {
            dump_lines(ch->in(), stdioch->out(), ch->chid());
            if (ch->closed()) {
                std::ostringstream oss;
                oss << "Chan " << ch->chid() << " closed.\n";
                stdioch->out()->write_bytes(oss.str());
            } else {
                keep.emplace_back(std::move(ch));
            }
        }
        channels_ = std::move(keep);
    }
};

int main(int argc, char **argv)
{
    //TextGame tg;
    TNTest tg;
    driver_drive(&tg);
}