#include "driver.hpp"
#include <map>
#include <iostream>
#include <cstdio>
#include <cstring>


void driver_drive(DrivenEngine *de) {
    const int MAXINPUT = 1000;
    char buf[MAXINPUT];
    int nbytes; const char *bytes;
    DrivenEngine::set(de);
    de->drv_logmode_none();
    de->drv_set_lua_source(util::read_lua_source("lua"));
    de->drv_invoke_engine_init();
    while (!de->drv_get_stop_driver()) {
        if (de->drv_get_rescan_lua_source()) {
            de->drv_set_lua_source(util::read_lua_source("lua"));
        }
        de->drv_peek_outgoing(0, &nbytes, &bytes);
        if (nbytes > 0) {
            fwrite(bytes, 1, nbytes, stdout);
        }
        if (fgets(buf, MAXINPUT, stdin)) {
            de->drv_recv_incoming(0, strlen(buf), buf);
        }
        de->drv_invoke_engine_update();
    }
    DrivenEngine::set(nullptr);
}