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

#include "aqhome/msg/msg_ping.h"
#include "aqhome/ipc/nodes/msg_ipc_ping.h"
#include "aqhome/ipc/nodes/msg_ipc_forward.h"
#include "aqhome/ipc/nodes/msg_ipc_setaccmsggrps.h"
#include "aqhome/mqtt/endpoint_mqttc.h"
#include "aqhome/mqtt/msg_mqtt_connect.h"
#include "aqhome/mqtt/msg_mqtt_connack.h"
#include "aqhome/mqtt/msg_mqtt_publish.h"
#include "aqhome/mqtt/msg_mqtt_pubresponse.h"
#include "aqhome/mqtt/msg_mqtt_subscribe.h"
#include "aqhome/mqtt/msg_mqtt_suback.h"
#include "aqhome/hexfile/hexfile.h"
#include "aqhome/hexfile/flashrecord.h"

#include "aqhome/aqhome.h"

#include <gwenhywfar/debug.h>
#include <gwenhywfar/text.h>
#include <gwenhywfar/gwentime.h>
#include <gwenhywfar/buffer.h>
#include <gwenhywfar/endpoint_tcpd.h>
#include <gwenhywfar/endpoint_msgio.h>
#include <gwenhywfar/endpoint_multilayer.h>

#include <unistd.h>
#include <time.h>


static int _mqttConnect2(GWEN_MSG_ENDPOINT *epClient);
static GWEN_MSG *_awaitPacket2(GWEN_MSG_ENDPOINT *epClient, uint8_t expectedPacketType);



GWEN_MSG *createPingMsg(uint8_t destAddr, uint8_t srcAddr)
{
  GWEN_MSG *msg;
  int rv;

  msg=GWEN_Msg_new(AQH_MAXMSGSIZE);
  rv=GWEN_Msg_AddByte(msg, destAddr);
  if (rv<0) {
    fprintf(stderr, "ERROR1: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, 6); /* msglen */
  if (rv<0) {
    fprintf(stderr, "ERROR2: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, AQH_MSG_TYPE_PING); /* ping */
  if (rv<0) {
    fprintf(stderr, "ERROR3: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, srcAddr); /* src addr */
  if (rv<0) {
    fprintf(stderr, "ERROR4: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }

  rv=GWEN_Msg_AddByte(msg, 0); /* timestamp */
  if (rv<0) {
    fprintf(stderr, "ERROR5: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, 0); /* timestamp */
  if (rv<0) {
    fprintf(stderr, "ERROR6: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, 0); /* timestamp */
  if (rv<0) {
    fprintf(stderr, "ERROR7: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }
  rv=GWEN_Msg_AddByte(msg, 0); /* timestamp */
  if (rv<0) {
    fprintf(stderr, "ERROR8: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }


  rv=AQH_NodeMsg_AddChecksum(msg);
  if (rv<0) {
    fprintf(stderr, "ERROR9: %d\n", rv);
    GWEN_Msg_free(msg);
    return NULL;
  }

  return msg;
}



int testMqttConnection2()
{
  GWEN_MSG_ENDPOINT *epClient;
  int loop;

  AQH_Init();

  epClient=AQH_MqttClientEndpoint_new("TESTCLIENT1234", "127.0.0.1", 1883, NULL, 1);
  for (loop=0;; loop++) {
    DBG_INFO(GWEN_LOGDOMAIN, "Loop %d:", loop);
    GWEN_MsgEndpoint_IoLoop(epClient, 2000); /* 2000 ms */

    if (GWEN_MsgEndpoint_GetState(epClient)==GWEN_MSG_ENDPOINT_STATE_CONNECTED) {
      DBG_INFO(AQH_LOGDOMAIN, "Connected.");
      break;
    }
  }
  return 0;
}



int testMqttSubscribe2(int argc, char **argv)
{
  GWEN_MSG_ENDPOINT *epClient;
  int rv;
  GWEN_MSG *msgOut;
  GWEN_MSG *msgIn;
  uint16_t pckId;
  const char *host="127.0.0.1";

  AQH_Init();

  if (argc>1)
    host=argv[1];

  DBG_ERROR(AQH_LOGDOMAIN, "Connecting to %s (%s)", host, argv[1]);
  epClient=AQH_MqttClientEndpoint_new("TESTCLIENT1234", host, 1883, NULL, 1);
  rv=_mqttConnect2(epClient);
  if (rv<0) {
    DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
    return 2;
  }

  pckId=AQH_MqttClientEndpoint_GetNextPacketId(epClient);
  //msgOut=AQH_PublishMqttMsg_new(AQH_MQTTMSG_FLAGS_QOS1, 1, "test/subject1", (const uint8_t*) "29.9", 4);
  //msgOut=GWEN_SubscribeMqttMsg_new(AQH_MQTTMSG_MSGTYPE_SUBSCRIBE, pckId, "aqhome/#", 0);
  msgOut=GWEN_SubscribeMqttMsg_new(AQH_MQTTMSG_MSGTYPE_SUBSCRIBE, pckId, "#", 0);
  if (msgOut==NULL) {
    DBG_ERROR(NULL, "Error creating message");
    return 2;
  }
  GWEN_MsgEndpoint_AddSendMessage(epClient, msgOut);

  msgIn=_awaitPacket2(epClient, AQH_MQTTMSG_MSGTYPE_SUBACK);
  if (msgIn) {
    GWEN_BUFFER *buf;

    buf=GWEN_Buffer_new(0, 256, 0, 1);
    AQH_SubAckMqttMsg_DumpToBuffer(msgIn, buf, "received");
    fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(buf));
    GWEN_Buffer_free(buf);
    GWEN_Msg_free(msgIn);
  }

  for (;;) {
    GWEN_MSG *msg;

    GWEN_MsgEndpoint_IoLoop(epClient, 2000); /* 2000 ms */
    msg=GWEN_MsgEndpoint_TakeFirstReceivedMessage(epClient);
    if (msg) {
      if ((AQH_MqttMsg_GetMsgTypeAndFlags(msg) & 0xf0)==(AQH_MQTTMSG_MSGTYPE_PUBLISH & 0xf0)) {
        GWEN_BUFFER *buf;

        buf=GWEN_Buffer_new(0, 256, 0, 1);
        AQH_PublishMqttMsg_DumpToBuffer(msg, buf, "received");
        fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(buf));
        GWEN_Buffer_free(buf);
      }
      else {
        DBG_ERROR(NULL, "Received this message:");
        GWEN_Text_DumpString((const char*) GWEN_Msg_GetConstBuffer(msg), GWEN_Msg_GetBytesInBuffer(msg), 2);
      }
      GWEN_Msg_free(msg);
    }
  }


  return 0;
}



int testMqttSubscribe3(int argc, char **argv)
{
  GWEN_MSG_ENDPOINT *epClient;
  int rv;
  //const char *host="127.0.0.1";
  const char *host="192.168.117.192";

  AQH_Init();

  if (argc>1)
    host=argv[1];

  DBG_ERROR(AQH_LOGDOMAIN, "Connecting to %s (%s)", host, argv[1]);
  epClient=AQH_MqttClientEndpoint_new("TESTCLIENT1234", host, 1883, NULL, 1);
  GWEN_MsgEndpoint_AddFlags(epClient, AQH_ENDPOINT2_MQTTCLIENT_FLAGS_SUBSCRIBEALL);
  rv=GWEN_MultilayerEndpoint_StartConnect(epClient);
  if (rv<0 && rv!=GWEN_ERROR_IN_PROGRESS) {
    DBG_ERROR(NULL, "Error on startConnect: %d", rv);
    return 2;
  }

  for (;;) {
    GWEN_MSG *msg;

    GWEN_MsgEndpoint_IoLoop(epClient, 2000); /* 2000 ms */
    msg=GWEN_MsgEndpoint_TakeFirstReceivedMessage(epClient);
    if (msg) {
      if ((AQH_MqttMsg_GetMsgTypeAndFlags(msg) & 0xf0)==(AQH_MQTTMSG_MSGTYPE_PUBLISH & 0xf0)) {
        GWEN_BUFFER *buf;

        buf=GWEN_Buffer_new(0, 256, 0, 1);
        AQH_PublishMqttMsg_DumpToBuffer(msg, buf, "received");
        fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(buf));
        GWEN_Buffer_free(buf);
      }
      else {
        DBG_ERROR(NULL, "Received this message:");
        GWEN_Text_DumpString((const char*) GWEN_Msg_GetConstBuffer(msg), GWEN_Msg_GetBytesInBuffer(msg), 2);
      }
      GWEN_Msg_free(msg);
    }
  }


  return 0;
}



int _mqttConnect2(GWEN_MSG_ENDPOINT *epClient)
{
  int loop;

  for (loop=0;; loop++) {
    DBG_INFO(GWEN_LOGDOMAIN, "Loop %d:", loop);
    GWEN_MsgEndpoint_IoLoop(epClient, 2000); /* 2000 ms */

    if (GWEN_MsgEndpoint_GetState(epClient)==GWEN_MSG_ENDPOINT_STATE_CONNECTED) {
      DBG_INFO(AQH_LOGDOMAIN, "Connected.");
      break;
    }
    else if (GWEN_MsgEndpoint_GetState(epClient)==GWEN_MSG_ENDPOINT_STATE_UNCONNECTED) {
      DBG_INFO(AQH_LOGDOMAIN, "Disconnected.");
      return GWEN_ERROR_IO;
    }
  }

  return 0;
}



GWEN_MSG *_awaitPacket2(GWEN_MSG_ENDPOINT *epClient, uint8_t expectedPacketType)
{
  fprintf(stdout, "Waiting for response\n");
  for (;;) {
    GWEN_MSG *msg;

    DBG_DEBUG(AQH_LOGDOMAIN, "Next loop");
    GWEN_MsgEndpoint_IoLoop(epClient, 2000); /* 2000 ms */
    msg=GWEN_MsgEndpoint_TakeFirstReceivedMessage(epClient);
    if (msg) {
      if ((AQH_MqttMsg_GetMsgTypeAndFlags(msg) & 0xf0)==(expectedPacketType & 0xf0)) {
        return msg;
      }
      else {
        DBG_ERROR(NULL, "Received this message:");
        GWEN_Text_DumpString((const char*) GWEN_Msg_GetConstBuffer(msg), GWEN_Msg_GetBytesInBuffer(msg), 2);
      }
    }
  } /* for */

  return NULL;
}



#if 0
GWEN_MSG_ENDPOINT *_acceptHttpConnection(GWEN_UNUSED GWEN_MSG_ENDPOINT *ep,
                                         GWEN_SOCKET *sk,
                                         GWEN_UNUSED const GWEN_INETADDRESS *addr,
                                         GWEN_UNUSED void *data)
{
  GWEN_MSG_ENDPOINT *epIncoming;

  DBG_INFO(GWEN_LOGDOMAIN, "Incoming connection");
  //epIncoming=GWEN_IpcEndpoint_CreateIpcTcpServiceForSocket(sk, NULL, 1);
  epIncoming=GWEN_MsgEndpoint_new("HTTP-Service", 0);
  GWEN_MsgEndpoint_SetSocket(epIncoming, sk);
  GWEN_MsgIoEndpoint_Extend(epIncoming);
  AQH_HttpEndpoint_Extend(epIncoming, AQH_ENDPOINT_HTTP_FLAGS_PASSIVE);
  return epIncoming;
}



int testHttpDaemon()
{
  GWEN_MSG_ENDPOINT *epServer;
  int loop;

  AQH_Init();
  epServer=GWEN_TcpdEndpoint_new("127.0.0.1", 55556, NULL, 1);
  GWEN_TcpdEndpoint_SetAcceptFn(epServer, _acceptHttpConnection, NULL);

  for (loop=0;; loop++) {
    GWEN_MSG_ENDPOINT *ep;

    DBG_INFO(GWEN_LOGDOMAIN, "Loop %d:", loop);
    GWEN_MsgEndpoint_IoLoop(epServer, 2000); /* 2000 ms */
    ep=GWEN_MsgEndpoint_Tree2_GetFirstChild(epServer);
    while(ep) {
      GWEN_MSG *msg;

      DBG_INFO(GWEN_LOGDOMAIN, "- Checking endpoint");
      while( (msg=GWEN_MsgEndpoint_TakeFirstReceivedMessage(ep)) ) {
        GWEN_DB_NODE *db;
        GWEN_BUFFER *buf;
        GWEN_MSG *msgOut;

        DBG_INFO(GWEN_LOGDOMAIN, "  - received msg");
        db=GWEN_Msg_GetDbParsedInfo(msg);
        if (db)
          GWEN_DB_Dump(db, 2);

        buf=GWEN_Buffer_new(0, 256, 0, 1);
        GWEN_Buffer_AppendString(buf, "HTTP/1.1 200 Okay\r\n");
        GWEN_Buffer_AppendString(buf, "Connection: close\r\n");
        GWEN_Buffer_AppendString(buf, "Content-length: 23\r\n");
        GWEN_Buffer_AppendString(buf, "\r\n");
        GWEN_Buffer_AppendString(buf, "This is a test string\r\n");
        msgOut=GWEN_Msg_fromBytes((const uint8_t*)GWEN_Buffer_GetStart(buf), GWEN_Buffer_GetUsedBytes(buf));
        GWEN_Buffer_free(buf);
        GWEN_MsgEndpoint_AddSendMessage(ep, msgOut);
        GWEN_Msg_free(msg);
      } /* while */
      ep=GWEN_MsgEndpoint_Tree2_GetNext(ep);
    }
    GWEN_MsgEndpoint_RemoveUnconnectedAndEmptyChildren(epServer);
  }
  return 0;
}
#endif


int testHexfile(int argc, char **argv)
{
  const char *inFilename;
  const char *outFilename;
  AQH_HEXFILE *h;
  int rv;

  if (argc<3) {
    fprintf(stderr, "Missing filenames (in, out)\n");
    return 1;
  }

  rv=AQH_Init();
  if (rv<0) {
  }

  inFilename=argv[1];
  outFilename=argv[2];
  h=AQH_Hexfile_fromFile(inFilename);
  if (h==NULL) {
    fprintf(stderr, "Error reading hexfile \"%s\".\n", inFilename);
    return 2;
  }
  else {
    AQH_HEXFILERECORD_LIST *recordList;
    GWEN_BUFFER *buffer;

    recordList=AQH_Hexfile_GetRecordList(h);
    fprintf(stdout, "INTEL Hexfile read with %d records\n", AQH_HexfileRecord_List_GetCount(recordList));

    buffer=GWEN_Buffer_new(0, 1024, 0, 1);
    AQH_Hexfile_toBuffer(h, buffer);
    rv=GWEN_SyncIo_Helper_WriteFile(outFilename, (const uint8_t*) GWEN_Buffer_GetStart(buffer), GWEN_Buffer_GetUsedBytes(buffer));
    GWEN_Buffer_free(buffer);
    if (rv<0) {
      fprintf(stderr, "ERROR writing outfile \"%s\": %d", outFilename, rv);
      AQH_Hexfile_free(h);
      return 3;
    }
    AQH_Hexfile_free(h);
  }

  return 0;
}



int testFlashRecords(int argc, char **argv)
{
  const char *inFilename;
  AQH_HEXFILE *h;
  int rv;

  if (argc<2) {
    fprintf(stderr, "Missing filename\n");
    return 1;
  }

  rv=AQH_Init();
  if (rv<0) {
  }

  inFilename=argv[1];
  h=AQH_Hexfile_fromFile(inFilename);
  if (h==NULL) {
    fprintf(stderr, "Error reading hexfile \"%s\".\n", inFilename);
    return 2;
  }
  else {
    AQH_HEXFILERECORD_LIST *recordList;
    AQH_FLASHRECORD_LIST *flashRecordList;

    recordList=AQH_Hexfile_GetRecordList(h);
    fprintf(stdout, "INTEL Hexfile read with %d records\n", AQH_HexfileRecord_List_GetCount(recordList));

    flashRecordList=AQH_FlashRecord_fromHexfileRecords(recordList);
    if (flashRecordList==NULL) {
      fprintf(stderr, "ERROR creating flash record list\n");
      AQH_Hexfile_free(h);
      return 3;
    }
    else {
      AQH_FLASHRECORD *fr;

      fprintf(stdout, "Flash record list created with %d records\n", AQH_FlashRecord_List_GetCount(flashRecordList));
      fr=AQH_FlashRecord_List_First(flashRecordList);
      while(fr) {
        fprintf(stdout, "- %08x (%d bytes)\n", AQH_FlashRecord_GetAddress(fr), AQH_FlashRecord_GetDataLength(fr));
        fr=AQH_FlashRecord_List_Next(fr);
      }
    }

    AQH_Hexfile_free(h);
  }

  return 0;
}




int main(int argc, char **argv)
{
  //return testHexfile(argc, argv);
  //return testFlashRecords(argc, argv);
  //return testMqttConnection2();
  //return testMqttSubscribe2(argc, argv);
  //return testHttpDaemon();
  return testMqttSubscribe3(argc, argv);
  return 0;
}