#include <stdio.h>
#include <signal.h>
#include <unistd.h>

#include "httpd.h"
#include "httpd-utils.h"
#include "httpd-espfs.h"

extern unsigned char espfs_image[];
extern unsigned int espfs_image_len;

httpd_thread_handle_t *s_serverHandle = NULL;

/** "About" page */
httpd_cgi_state tplIndex(HttpdConnData *connData, char *token, void **arg)
{
    if (token == NULL) { return HTTPD_CGI_DONE; }

    else if (streq(token, "date")) {
        tplSend(connData, __DATE__, -1);
    } else if (streq(token, "time")) {
        tplSend(connData, __TIME__, -1);
    } else if (streq(token, "vers_httpd")) {
        tplSend(connData, httpdGetVersion(), -1);
    }

    return HTTPD_CGI_DONE;
}


/**
 * Application routes
 */
const HttpdBuiltInUrl routes[] = {
        // TODO password lock ...

        // --- Web pages ---
//        ROUTE_TPL_FILE("/", tplIndex, "/index.tpl"),
        ROUTE_FILE("/", "index.html"),

        ROUTE_FILESYSTEM(),
        ROUTE_END(),
};

void sigpipe_handler(int unused)
{
}

void handle_sigint(int signum)
{
   fprintf(stderr, " SIGINT detected, shutting down HTTPD\n");
   httpdShutdown(s_serverHandle);
}

int main()
{
    struct sigaction action;
    memset(&action, 0, sizeof(action));
    action.sa_handler = handle_sigint;
    sigaction(SIGINT, &action, NULL);

    // prevent abort on sigpipe
    sigaction(SIGPIPE, &(struct sigaction) {{sigpipe_handler}}, NULL);

    struct httpd_options opts = {
            .port = 8080,
    };

    s_serverHandle = httpdStart(routes, &opts);
    httpdSetName("SpriteHTTPD Server Demo");

    httpdJoin(s_serverHandle);
    return 0;
}

int httpdPlatEspfsRead(void *dest, uint32_t offset, size_t len)
{
    if (offset + len > espfs_image_len) {
        return -1;
    }

    memcpy(dest, &espfs_image[offset], len);
    return 0;
}