#include <Command.h>

#include <Cytoplasm/Memory.h>

struct CommandRouter {
    HashMap *routes;
};
CommandRouter *
CommandCreateRouter(void)
{
    CommandRouter *router = Malloc(sizeof(*router));
    router->routes = HashMapCreate();
    return router;
}
void
CommandAddCommand(CommandRouter *rter, char *c, CommandRoute rte)
{
    CommandRoute *indirect;
    if (!rter || !c || !rte)
    {
        return;
    }

    /* Little dirty trick to force C99 into submission, and since 
     * some architectures may separate data/code. Still don't like it... */
    indirect = Malloc(sizeof(rte));
    *indirect = rte;
    HashMapSet(rter->routes, c, (void *) indirect);
}
void
RouteCommand(CommandRouter *rter, Command *cmd, void *d)
{
    CommandRoute *route;
    if (!rter || !cmd)
    {
        return;
    }

    route = HashMapGet(rter->routes, cmd->command);
    if (route && *route)
    {
        (*route)(cmd, d);
    }
}
void
CommandFreeRouter(CommandRouter *rter)
{
    char *key;
    CommandRoute *val;
    if (!rter)
    {
        return;
    }

    while (HashMapIterate(rter->routes, &key, (void **) &val))
    {
        Free(val);
    }
    HashMapFree(rter->routes);
    Free(rter);
}