#ifndef AST_MODULE
#define AST_MODULE
#endif
#include "asterisk.h"
#include <pjsip.h>
#include <pjsip_ua.h>
#include <pjlib.h>

#include "asterisk/res_pjsip.h"
#include "asterisk/res_pjsip_session.h"
#include "asterisk/res_hep.h"
#include "asterisk/module.h"
#include "asterisk/netsock2.h"
#include <pjsip.h>
#include <pjmedia.h>
#include <pjmedia-codec.h>
#include <pjsip_ua.h>
#include <pjsip_simple.h>
#include <pjlib-util.h>





static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata);

static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata)
{
    char *paket;

    // Detekce Missing Required Headers
    pjsip_uri *uri_from = NULL;
    pjsip_uri *uri_to = NULL;
    char from_buffer[1024];
    char to_buffer[1024];

 	ast_log(LOG_NOTICE,"WHY DOESNT THIS LINE GET PRINTED");


    paket = rdata->pkt_info.packet;

    ast_log(LOG_NOTICE,"Jedna se o metodu %.8s \n",paket);

    uri_from = pjsip_uri_get_uri(rdata->msg_info.from->uri);
    uri_to = pjsip_uri_get_uri(rdata->msg_info.to->uri);

   // MUSIM POUZIT slen, viz moje poznamky, jinak neopravneny pristup do pameti

    pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, uri_from, from_buffer, sizeof(from_buffer)-1);
    pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, uri_to, to_buffer, sizeof(to_buffer)-1);

    if(from_buffer!=NULL)
    {
        ast_log(LOG_NOTICE,"Parametr From: ma hodnotu %s \n",from_buffer);
            if(to_buffer!=NULL)
            {
            ast_log(LOG_NOTICE,"Parametr To: ma hodnotu %s \n",to_buffer);
                if(((int)rdata->msg_info.cid->id.slen)!=0)
                {
                    ast_log(LOG_NOTICE,"Parametr Call-ID: ma hodnotu %*.s \n",(int)rdata->msg_info.cid->id.slen, rdata->msg_info.cid->id.ptr);
                }
                else
                {
                ast_log(LOG_NOTICE,"Zprava neobsahuje parametr Call-ID!");
                }
            }
            else
            {
                ast_log(LOG_NOTICE,"Zprava neobsahuje parametr To!");
            }
    }
    else
    {
        ast_log(LOG_NOTICE,"Zprava neobsahuje parametr From!");
   }





    // Detekce RFC 2543 INVITE
    if(((int)rdata->msg_info.via->branch_param.slen)!=0)
    {

    ast_log(LOG_NOTICE,"Parametr Branch ma hodnotu %*.s \n",(int)rdata->msg_info.via->branch_param.slen, rdata->msg_info.via->branch_param.ptr);
        if(((int)rdata->msg_info.from->tag.slen))
        {
            ast_log(LOG_NOTICE,"Parametr Tag ma hodnotu %*.s \n",(int)rdata->msg_info.from->tag.slen, rdata->msg_info.from->tag.ptr);

        }
        else
        {
            ast_log(LOG_NOTICE,"Chybi parametr Tag! Zprava dle RFC 2543. \n");
        }

    }
    else
    {
        ast_log(LOG_NOTICE,"Chybi parametr Branch! Zprava dle RFC 2543. \n");
    }

    //Detekce NCL --- PJSIP odregistruje ucastnika pokud zaznamena NCL a dalsi hovory neprobehnou!


        if((rdata->msg_info.clen->len))
            {
                ast_log(LOG_NOTICE,"Parametr Content-Length ma hodnotu %d \n",rdata->msg_info.clen->len);
            }
            else
            {
                if((rdata->msg_info.clen->len)==0)
                {
                    ast_log(LOG_NOTICE,"Parametr Content-Length ma hodnotu %d \n",rdata->msg_info.clen->len);
                }
                else
                {
                    ast_log(LOG_NOTICE,"Chybna hodnota parametru Content-Length!\n");
                }

            }

        return PJ_SUCCESS;
   }



static pjsip_module res_modul = {
    .name = { "Test module", 11 },
    .priority = PJSIP_MOD_PRIORITY_APPLICATION ,
    .on_rx_request = logging_on_rx_msg,
    .on_rx_response = logging_on_rx_msg,

};


static int load_module(void)
{
    //CHECK_PJSIP_MODULE_LOADED();
    ast_log(AST_LOG_WARNING, "Success in loading!");
    ast_sip_register_service(&res_modul);
    return AST_MODULE_LOAD_SUCCESS;
}

static int unload_module(void)
{
    ast_sip_unregister_service(&res_modul);
    return 0;
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Test module",
 	.requires = "res_pjsip",
    .load = load_module,
    .unload = unload_module,
 	.load_pri = 50,
);