#include <libgen.h>

#define GEBS_IMPLEMENTATION
#include "gebs/gebs.h"

#include "mongoose/mongoose.h"

#define STB_DS_IMPLEMENTATION
#include "stb/stb_ds.h"

#include "routes.h"
#include "gpp.h"
#include "tmpls.h"

typedef void (*Route_Handler)(struct mg_connection *conn, struct mg_http_message *msg);

typedef struct {
    char *key; // path
    Route_Handler value;
} Route;

Route *route_hashtable = NULL;

void event_handler(struct mg_connection *conn, int ev, void *ev_data)
{
    if (ev == MG_EV_HTTP_MSG) {
        struct mg_http_message *msg = (struct mg_http_message *)ev_data;

        char key[MG_PATH_MAX] = {0};
        strncpy(key, msg->uri.buf, msg->uri.len);
        Route_Handler handler = shget(route_hashtable, key);
        handler(conn, msg);
    }
}

static void init_route_hashtable(void)
{
    shdefault(route_hashtable, &route_page_not_found);
    shput(route_hashtable,      "/page-missing",        &route_page_not_found);
    shput(route_hashtable,      "/simple.min.css",      &route_simple_css);
    shput(route_hashtable,      "/favicon.ico",         &route_favicon);
    shput(route_hashtable,      "/",                    &route_home);
}

int main(int argc, char ** argv)
{
    gpp_init();
    tmpls_init();

    mg_log_set(MG_LL_DEBUG);
    struct mg_mgr mgr;
    mg_mgr_init(&mgr);
    init_route_hashtable();

    mg_http_listen(&mgr, "http://localhost:8080", &event_handler, NULL);

    for (;;) {
        mg_mgr_poll(&mgr, 1000);
        scratch_arena_reset();
    }
    
    mg_mgr_free(&mgr);
    shfree(route_hashtable);
    
    tmpls_deinit();
    gpp_deinit();

    return 0;
}