#include "config.h"
#include "runtime.h"
#include "threading.h"

#include <stddef.h>
#include <string.h>

#define VY_MAX_CVARS 1024

static vy_cvar *_vars[VY_MAX_CVARS];
static unsigned int _next = 0;
static vy_mutex *_mutex   = NULL;

void vyRegisterCVAR(vy_cvar *cvar) {
    if (!_mutex)
        _mutex = vyCreateMutex();
    vyLockMutex(_mutex);
    if (_next < VY_MAX_CVARS) {
        _vars[_next++] = cvar;
    } else {
        vyReportError("cvar", "Ran out of space for CVars");
    }
    vyUnlockMutex(_mutex);
}

vy_cvar *vyGetCVAR(const char *name) {
    if (!_mutex)
        _mutex = vyCreateMutex();
    vy_cvar *var = NULL;
    vyLockMutex(_mutex);
    for (unsigned int i = 0; i < _next; ++i) {
        if (strcmp(name, _vars[i]->name) == 0) {
            var = _vars[i];
            break;
        }
    }
    vyUnlockMutex(_mutex);
    return var;
}