#include "cw_log.h"
#include "conn.h"

#include "itemstore.h"
#include "capwap_items.h"
#include "capwap.h"


int cw_put_subelem_version(uint8_t *dst,uint16_t subelem_id, uint32_t vendor_id,bstr16_t data)
{
printf("Vendor putter %d\n",vendor_id);

	uint8_t *d=dst;
	d += cw_put_dword(d,vendor_id);
	d += cw_put_dword(d, (subelem_id<<16) | bstr16_len(data));
	d += cw_put_data(d,bstr16_data(data),bstr16_len(data));
	return d-dst;
}



int cw_out_ac_descriptor(struct conn *conn,uint32_t elem_id,uint8_t *dst,struct cw_item * item) 
{

	uint8_t *d = dst+4;
	struct cw_item * i;
	i = cw_itemstore_get(conn->local,CW_ITEM_AC_STATUS);
	
	if (!i) {
		cw_log(LOG_ERR,"Can't send AC Descriptor, no AC Status Item found");
		return 0; 
	}

	struct cw_ac_status *s = (struct cw_ac_status*)(i->data);

	d += cw_put_dword (d, (s->stations << 16) | (s->limit) );
	d += cw_put_dword (d, (s->active_wtps <<16) | (s->max_wtps) );
	d += cw_put_dword (d, (s->security<<24) | (s->rmac_field<<16) | (s->dtls_policy));



	i = cw_itemstore_get(conn->local,CW_ITEM_AC_HARDWARE_VERSION);

	if ( i ) {	
	 	d += cw_put_subelem_version(d,CW_SUBELEM_AC_HARDWARE_VERSION,*((uint32_t*)(i->data)),i->data+4);
	}
	else {
		cw_dbg(DBG_ELEM_ERR, "Can't send hard version in AC descriptor, not set.");
	}

	
	i = cw_itemstore_get(conn->local,CW_ITEM_AC_SOFTWARE_VERSION);

	if ( i ) {	
	 	d += cw_put_subelem_version(d,CW_SUBELEM_AC_SOFTWARE_VERSION,*((uint32_t*)(i->data)),i->data+4);
	}
	else {
		cw_dbg(DBG_ELEM_ERR, "Can't send software version in AC descriptor, not set.");
	}

	int len = d-dst-4;
	
	return len + cw_put_elem_hdr(dst,CW_ELEM_AC_DESCRIPTOR,len);

}