/****************************************************************************
 * 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 <aqhome/ipc/data/msg_data_multidata.h>
#include <aqhome/ipc/data/ipc_data.h>
#include <aqhome/ipc/msg_ipc_tag16.h>

#include <gwenhywfar/msg.h>
#include <gwenhywfar/buffer.h>

#include <gwenhywfar/debug.h>
#include <gwenhywfar/msg_ipc.h>



#define AQH_MSGDATA_MULTIDATA_MINSIZE GWEN_MSGIPC_OFFS_PAYLOAD




GWEN_MSG *AQH_MultiDataDataIpcMsg_new(uint16_t code,
                                       const char *valueName, const char *valueUnits, int valueType,
                                       const uint64_t *i64Ptr, int numOfDataPoints)
{
  GWEN_MSG *msg;
  GWEN_BUFFER *buf;

  buf=GWEN_Buffer_new(0, 256, 0, 1);
  if (valueName && *valueName)
    GWEN_Tag16_WriteStringTagToBuffer(AQH_MSGDATA_MULTIDATA_TAGS_NAME, valueName, buf);
  if (valueUnits && *valueUnits)
    GWEN_Tag16_WriteStringTagToBuffer(AQH_MSGDATA_MULTIDATA_TAGS_UNITS, valueUnits, buf);
  GWEN_Tag16_WriteUint32TagToBuffer(AQH_MSGDATA_MULTIDATA_TAGS_TYPE, valueType, buf);
  if (i64Ptr && numOfDataPoints)
    GWEN_Tag16_WriteTagToBuffer(AQH_MSGDATA_MULTIDATA_TAGS_DATA, (const uint8_t*)i64Ptr, numOfDataPoints*2*sizeof(uint64_t), buf);

  msg=AQH_Tag16IpcMsg_new(AQH_IPC_PROTOCOL_DATA_ID, AQH_IPC_PROTOCOL_DATA_VERSION, code,
			  GWEN_Buffer_GetUsedBytes(buf), (const uint8_t*) GWEN_Buffer_GetStart(buf));
  GWEN_Buffer_free(buf);
  return msg;
}




void AQH_MultiDataDataIpcMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
{
  if (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSGDATA_MULTIDATA_MINSIZE) {
    GWEN_TAG16_LIST *tagList;
    char *valueName=NULL;
    char *valueUnits=NULL;
    int valueType;
    unsigned int numberOfPoints=0;

    tagList=AQH_Tag16IpcMsg_ParseTags(msg, 0);
    if (tagList) {
      const GWEN_TAG16 *tag;

      tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_MULTIDATA_TAGS_NAME);
      valueName=tag?GWEN_Tag16_GetTagDataAsNewString(tag, NULL):NULL;

      tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_MULTIDATA_TAGS_UNITS);
      valueUnits=tag?GWEN_Tag16_GetTagDataAsNewString(tag, NULL):NULL;

      tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_MULTIDATA_TAGS_TYPE);
      valueType=tag?GWEN_Tag16_GetTagDataAsUint32(tag, 0):0;

      tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_MULTIDATA_TAGS_DATA);
      numberOfPoints=(tag?GWEN_Tag16_GetTagLength(tag):0)/(2*sizeof(uint64_t));
    }

    GWEN_Buffer_AppendArgs(dbuf,
                           "MULTIDATA (code=%d, proto=%d, proto version=%d, name=%s, units=%s, type=%d, datapoints=%u)\n",
                           GWEN_IpcMsg_GetCode(msg),
                           GWEN_IpcMsg_GetProtoId(msg),
                           GWEN_IpcMsg_GetProtoVersion(msg),
			   valueName?valueName:"<empty>",
			   valueUnits?valueUnits:"<empty>",
                           valueType,
                           numberOfPoints);
    free(valueUnits);
    free(valueName);
    GWEN_Tag16_List_free(tagList);
  }
}