/****************************************************************************
 * This file is part of the project AqHome.
 * AqHome (c) by 2023 Martin Preuss, all rights reserved.
 *
 * The license for this file can be found in the file COPYING which you
 * should have received along with this file.
 ****************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif


#include "./loop_tty_mqtt.h"
#include "./aqhomed_p.h"
#include "./tty_log.h"
#include "./tty_write.h"
#include "./db.h"

#include "aqhome/msg/endpoint_tty.h"
#include "aqhome/msg/msg_node.h"
#include "aqhome/msg/msg_value2.h"
#include "aqhome/msg/msg_sendstats.h"
#include "aqhome/msg/msg_recvstats.h"
#include "aqhome/ipc/endpoint_ipc.h"
#include "aqhome/ipc/nodes/msg_ipc_forward.h"
#include "aqhome/ipc/nodes/msg_ipc_value.h"
#include "aqhome/mqtt/endpoint_mqttc.h"
#include "aqhome/mqtt/msg_mqtt_publish.h"

#include <gwenhywfar/gwenhywfar.h>
#include <gwenhywfar/args.h>
#include <gwenhywfar/debug.h>
#include <gwenhywfar/endpoint_tcpd.h>



/* ------------------------------------------------------------------------------------------------
 * defines
 * ------------------------------------------------------------------------------------------------
 */

#define I18N(msg) msg
#define I18S(msg) msg



/* ------------------------------------------------------------------------------------------------
 * forward declarations
 * ------------------------------------------------------------------------------------------------
 */

static void _processValue2Message(AQHOMED *aqh, const GWEN_MSG *nodeMsg);
static void _processSendStatsMessage(AQHOMED *aqh, const GWEN_MSG *nodeMsg);
static void _processRecvStatsMessage(AQHOMED *aqh, const GWEN_MSG *nodeMsg);
static void _publishDouble(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, double v);
static void _publishInt(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, int v);
static void _publishString(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, const char *v);




/* ------------------------------------------------------------------------------------------------
 * implementations
 * ------------------------------------------------------------------------------------------------
 */



void AqHomed_ForwardTtyMsgToMqttServer(AQHOMED *aqh, const GWEN_MSG *nodeMsg)
{
  if (GWEN_MsgEndpoint_GetState(aqh->mqttEndpoint)==GWEN_MSG_ENDPOINT_STATE_CONNECTED) {
    DBG_DEBUG(AQH_LOGDOMAIN, "Processing output message");
    switch(AQH_NodeMsg_GetMsgType(nodeMsg)) {
    case AQH_MSG_TYPE_VALUE2:
      _processValue2Message(aqh, nodeMsg);
      break;
    case AQH_MSG_TYPE_COMSENDSTATS:
      _processSendStatsMessage(aqh, nodeMsg);
      break;
    case AQH_MSG_TYPE_COMRECVSTATS:
      _processRecvStatsMessage(aqh, nodeMsg);
      break;
    default:
      break;
    }
  }
}



void _processValue2Message(AQHOMED *aqh, const GWEN_MSG *nodeMsg)
{
  if (AQH_Value2Msg_GetValueType(nodeMsg)==AQH_MSG_VALUE2_TYPE_DOOR)
    _publishString(aqh,
                   AQH_Value2Msg_GetUid(nodeMsg),
                   AQH_Value2Msg_GetValueId(nodeMsg),
                   AQH_Value2Msg_GetValueTypeName(nodeMsg),
                   AQH_Value2Msg_GetValueAsWindowStateString(nodeMsg));
  else
    _publishDouble(aqh,
                   AQH_Value2Msg_GetUid(nodeMsg),
                   AQH_Value2Msg_GetValueId(nodeMsg),
                   AQH_Value2Msg_GetValueTypeName(nodeMsg),
                   AQH_Value2Msg_GetValue(nodeMsg));
}



void _processSendStatsMessage(AQHOMED *aqh, const GWEN_MSG *nodeMsg)
{
  uint16_t packetsOutInt;

  packetsOutInt=AQH_SendStatsMsg_GetPacketsOut(nodeMsg);
  if (packetsOutInt) {
    double packetsOut;
    double collisions;
    double busy;
    double collisionsPercentage=0.0;
    double busyPercentage=0.0;

    packetsOut=(double) packetsOutInt;
    collisions=(double)AQH_SendStatsMsg_GetCollisions(nodeMsg);
    busy=(double)AQH_SendStatsMsg_GetBusyErrors(nodeMsg);

    collisionsPercentage=collisions*100.0/packetsOut;
    busyPercentage=busy*100.0/packetsOut;

    _publishInt(aqh, AQH_SendStatsMsg_GetUid(nodeMsg), 0, "net/packetsOut", packetsOutInt);
    _publishInt(aqh, AQH_SendStatsMsg_GetUid(nodeMsg), 0, "net/collisions", (int) AQH_SendStatsMsg_GetCollisions(nodeMsg));
    _publishDouble(aqh, AQH_SendStatsMsg_GetUid(nodeMsg), 0, "net/collisionsPercent", collisionsPercentage);
    _publishDouble(aqh, AQH_SendStatsMsg_GetUid(nodeMsg), 0, "net/busyPercent", busyPercentage);
  }
}



void _processRecvStatsMessage(AQHOMED *aqh, const GWEN_MSG *nodeMsg)
{
  uint16_t packetsInInt;

  packetsInInt=AQH_RecvStatsMsg_GetPacketsIn(nodeMsg);
  if (packetsInInt) {
    double packetsIn;
    double crcErrors;
    double ioErrors;
    double crcErrorsPercentage=0.0;
    double ioErrorsPercentage=0.0;

    packetsIn=(double) packetsInInt;
    crcErrors=(double)AQH_RecvStatsMsg_GetCrcErrors(nodeMsg);
    ioErrors=(double)AQH_RecvStatsMsg_GetIoErrors(nodeMsg);

    crcErrorsPercentage=crcErrors*100.0/packetsIn;
    ioErrorsPercentage=ioErrors*100.0/packetsIn;

    _publishInt(aqh, AQH_RecvStatsMsg_GetUid(nodeMsg), 0, "net/packetsIn", packetsInInt);
    _publishInt(aqh, AQH_RecvStatsMsg_GetUid(nodeMsg), 0, "net/crcerrors", (int) AQH_RecvStatsMsg_GetCrcErrors(nodeMsg));
    _publishInt(aqh, AQH_RecvStatsMsg_GetUid(nodeMsg), 0, "net/ioerrors", (int) AQH_RecvStatsMsg_GetIoErrors(nodeMsg));
    _publishDouble(aqh, AQH_RecvStatsMsg_GetUid(nodeMsg), 0, "net/crcerrorsPercent", crcErrorsPercentage);
    _publishDouble(aqh, AQH_RecvStatsMsg_GetUid(nodeMsg), 0, "net/ioerrorsPercent", ioErrorsPercentage);
  }
}



void _publishDouble(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, double v)
{
  char numBuf[16];

  snprintf(numBuf, sizeof(numBuf)-1, "%f", v);
  numBuf[sizeof(numBuf)-1]=0;
  _publishString(aqh, uid, valueId, valuePath, numBuf);
}



void _publishInt(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, int v)
{
  char numBuf[16];

  snprintf(numBuf, sizeof(numBuf)-1, "%d", v);
  numBuf[sizeof(numBuf)-1]=0;
  _publishString(aqh, uid, valueId, valuePath, numBuf);
}



void _publishString(AQHOMED *aqh, uint32_t uid, int valueId, const char *valuePath, const char *v)
{
  GWEN_BUFFER *bufTopic;
  GWEN_MSG *pubMsg;

  bufTopic=GWEN_Buffer_new(0, 64, 0, 1);
  if (valueId>0)
    GWEN_Buffer_AppendArgs(bufTopic, "%s/%08x/%d/%s",
                           aqh->mqttTopicPrefix,
                           uid,
                           valueId,
                           valuePath);
  else
    GWEN_Buffer_AppendArgs(bufTopic, "%s/%08x/%s",
                           aqh->mqttTopicPrefix,
                           uid,
                           valuePath);

  pubMsg=AQH_PublishMqttMsg_new(0, 0, GWEN_Buffer_GetStart(bufTopic), (const uint8_t*) v, strlen(v));
  if (pubMsg) {
    DBG_INFO(AQH_LOGDOMAIN, "MQTT PUBLISH %s: %s", GWEN_Buffer_GetStart(bufTopic), v);
    GWEN_MsgEndpoint_AddSendMessage(aqh->mqttEndpoint, pubMsg);
  }
  GWEN_Buffer_free(bufTopic);
}