#include <string.h>
#include <osmocom/core/utils.h>

#include "sccp_sap.h"

const struct value_string osmo_scu_prim_names[] = {
	{ OSMO_SCU_PRIM_N_CONNECT,		"N-CONNECT" },
	{ OSMO_SCU_PRIM_N_DATA,			"N-DATA" },
	{ OSMO_SCU_PRIM_N_EXPEDITED_DATA,	"N-EXPEDITED-DATA" },
	{ OSMO_SCU_PRIM_N_DISCONNECT,		"N-DISCONNECT" },
	{ OSMO_SCU_PRIM_N_RESET,		"N-RESET" },
	{ OSMO_SCU_PRIM_N_INFORM,		"N-INFORM" },
	{ OSMO_SCU_PRIM_N_UNITDATA,		"N-UNITDATA" },
	{ OSMO_SCU_PRIM_N_NOTICE,		"N-NOTICE" },
	/* management */
	{ OSMO_SCU_PRIM_N_COORD,		"N-COORD" },
	{ OSMO_SCU_PRIM_N_STATE,		"N-STATE" },
	{ OSMO_SCU_PRIM_N_PCSTATE,		"N-PCSATE" },
	{ 0, NULL }
};

const struct value_string osmo_prim_op_names[] = {
	{ PRIM_OP_REQUEST,			"request" },
	{ PRIM_OP_RESPONSE,			"response" },
	{ PRIM_OP_INDICATION,			"indication" },
	{ PRIM_OP_CONFIRM,			"confirm" },
	{ 0, NULL }
};

static char prim_name_buf[128];

char *osmo_sccp_prim_name(struct osmo_prim_hdr *oph)
{
	const char *name = get_value_string(osmo_scu_prim_names, oph->primitive);

	prim_name_buf[0] = '\0';
	strncpy(prim_name_buf, name, sizeof(prim_name_buf)-1);
	prim_name_buf[sizeof(prim_name_buf)-1] = '\0';
	name = get_value_string(osmo_prim_op_names, oph->operation);
	strncat(prim_name_buf, name, sizeof(prim_name_buf)-strlen(prim_name_buf)-2);

	return prim_name_buf;
}