#include "DCCEventBlock.h"
#include "DCCDataParser.h"
#include "DCCDataMapper.h"
#include "DCCTowerBlock.h"
#include "ECALParserException.h"
#include "ECALParserBlockException.h"
#include "DCCSRPBlock.h"
#include "DCCTCCBlock.h"
#include "DCCXtalBlock.h"
#include "DCCTrailerBlock.h"

#include <iomanip>
#include <sstream>

DCCTBEventBlock::DCCTBEventBlock(DCCTBDataParser *parser,
                                 const uint32_t *buffer,
                                 uint32_t numbBytes,
                                 uint32_t wordsToEnd,
                                 uint32_t wordBufferOffset,
                                 uint32_t wordEventOffset)
    : DCCTBBlockPrototype(parser, "DCCHEADER", buffer, numbBytes, wordsToEnd),
      dccTrailerBlock_(nullptr),
      srpBlock_(nullptr),
      wordBufferOffset_(wordBufferOffset) {
  //Reset error counters ////
  errors_["DCC::HEADER"] = 0;
  errors_["DCC::EVENT LENGTH"] = 0;
  ///////////////////////////

  uint32_t wToEnd(0);

  try {
    // Get data fields from the mapper and retrieve data ///
    if (numbBytes == DCCTBDataParser::EMPTYEVENTSIZE) {
      mapperFields_ = parser_->mapper()->emptyEventFields();
      emptyEvent = true;
    } else {
      mapperFields_ = parser_->mapper()->dccFields();
      emptyEvent = false;
    }

    try {
      parseData();
    } catch (ECALTBParserBlockException &e) { /*ignore*/
    }
    ///////////////////////////////////////////////////////

    // Check internal data //////////////
    if (parser_->debug()) {
      dataCheck();
    }
    /////////////////////////////////////

    // Check if empty event was produced /////////////////////////////////////////////////////////////////

    if (!emptyEvent && getDataField("DCC ERRORS") != DCCERROR_EMPTYEVENT) {
      // Build the SRP block ////////////////////////////////////////////////////////////////////////////////////

      bool srp(false);
      uint32_t sr_ch = getDataField("SR_CHSTATUS");
      if (sr_ch != CH_TIMEOUT && sr_ch != CH_DISABLED) {
        //Go to the begining of the block
        increment(1, " (while trying to create a SR Block !)");
        wToEnd = numbBytes / 4 - wordCounter_ - 1;

        // Build SRP Block //////////////////////////////////////////////////////////////////////
        srpBlock_ = new DCCTBSRPBlock(this, parser_, dataP_, parser_->srpBlockSize(), wToEnd, wordCounter_);
        //////////////////////////////////////////////////////////////////////////////////////////

        increment((parser_->srpBlockSize()) / 4 - 1);
        if (getDataField("SR")) {
          srp = true;
        }
      }

      ////////////////////////////////////////////////////////////////////////////////////////////////////////////

      // Build TCC blocks ////////////////////////////////////////////////////////////////////////////////////////
      for (uint32_t i = 1; i <= 4; i++) {
        uint32_t tcc_ch = 0;
        uint32_t tccId = 0;
        if (i == 1) {
          tccId = parser_->tcc1Id();
        }
        if (i == 2) {
          tccId = parser_->tcc2Id();
        }
        if (i == 3) {
          tccId = parser_->tcc3Id();
        }
        if (i == 4) {
          tccId = parser_->tcc4Id();
        }

        std::string tcc = std::string("TCC_CHSTATUS#") + parser_->getDecString(i);
        tcc_ch = getDataField(tcc);

        if (tcc_ch != CH_TIMEOUT && tcc_ch != CH_DISABLED) {
          //std::cout<<"\n debug:Building TCC Block, channel enabled without errors"<<std::endl;

          // Go to the begining of the block
          increment(1, " (while trying to create a" + tcc + " Block !)");

          wToEnd = numbBytes / 4 - wordCounter_ - 1;
          //wToEnd or wordsToEnd ????????????????????????????????????????

          // Build TCC Block /////////////////////////////////////////////////////////////////////////////////
          tccBlocks_.push_back(
              new DCCTBTCCBlock(this, parser_, dataP_, parser_->tccBlockSize(), wToEnd, wordCounter_, tccId));
          //////////////////////////////////////////////////////////////////////////////////////////////////////

          increment((parser_->tccBlockSize()) / 4 - 1);
        }
      }
      ////////////////////////////////////////////////////////////////////////////////////////////////////////////

      // Build channel data //////////////////////////////////////////////////////////////////////////////////////////////////////
      // See number of channels that we need according to the trigger type //
      // TODO : WHEN IN LOCAL MODE WE SHOULD CHECK RUN TYPE
      uint32_t triggerType = getDataField("TRIGGER TYPE");
      uint32_t numbChannels;
      if (triggerType == PHYSICTRIGGER) {
        numbChannels = 68;
      } else if (triggerType == CALIBRATIONTRIGGER) {
        numbChannels = 70;
      }
      // TODO :: implement other triggers
      else {
        std::string error = std::string("\n DCC::HEADER TRIGGER TYPE = ") + parser_->getDecString(triggerType) +
                            std::string(" is not a valid type !");
        ECALTBParserBlockException a(error);
        throw a;
      }
      ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

      //			uint32_t chStatus;
      uint32_t srFlag;
      bool suppress(false);

      for (uint32_t i = 1; i <= numbChannels; i++) {
        std::string chStatusId = std::string("FE_CHSTATUS#") + parser_->getDecString(i);
        uint32_t chStatus = getDataField(chStatusId);

        // If srp is on, we need to check if channel was suppressed ////////////////////
        if (srp) {
          srFlag = srpBlock_->getDataField(std::string("SR#") + parser_->getDecString(i));
          if (srFlag == SR_NREAD) {
            suppress = true;
          } else {
            suppress = false;
          }
        }
        ////////////////////////////////////////////////////////////////////////////////

        if (chStatus != CH_TIMEOUT && chStatus != CH_DISABLED && !suppress && chStatus != CH_SUPPRESS) {
          //Go to the begining of the block ///////////////////////////////////////////////////////////////////////
          increment(1, " (while trying to create a TOWERHEADER Block for channel " + parser_->getDecString(i) + " !)");
          /////////////////////////////////////////////////////////////////////////////////////////////////////////

          // Instantiate a new tower block//////////////////////////////////////////////////////////////////////////
          wToEnd = numbBytes / 4 - wordCounter_ - 1;
          DCCTBTowerBlock *towerBlock =
              new DCCTBTowerBlock(this, parser_, dataP_, TOWERHEADER_SIZE, wToEnd, wordCounter_, i);
          towerBlocks_.push_back(towerBlock);
          towerBlock->parseXtalData();
          //////////////////////////////////////////////////////////////////////////////////////////////////////////

          //go to the end of the block ///////////////////////////////
          increment((towerBlock->getDataField("BLOCK LENGTH")) * 2 - 1);
          ////////////////////////////////////////////////////////////
        }
      }
      ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

      // go to the begining of the block ////////////////////////////////////////////////////////////////////
      increment(1, " (while trying to create a DCC TRAILER Block !)");
      wToEnd = numbBytes / 4 - wordCounter_ - 1;
      dccTrailerBlock_ = new DCCTBTrailerBlock(parser_, dataP_, TRAILER_SIZE, wToEnd, wordCounter_, blockSize_ / 8, 0);
      //////////////////////////////////////////////////////////////////////////////////////////////////////
    }

  } catch (ECALTBParserException &e) {
  } catch (ECALTBParserBlockException &e) {
    // uint32_t nEv = (parser_->dccEvents()).size() +1;
    errorString_ += std::string(e.what());
    blockError_ = true;
    //std::cout<<"cout"<<e.what();
  }
}

DCCTBEventBlock::~DCCTBEventBlock() {
  std::vector<DCCTBTCCBlock *>::iterator it1;
  for (it1 = tccBlocks_.begin(); it1 != tccBlocks_.end(); it1++) {
    delete (*it1);
  }
  tccBlocks_.clear();

  std::vector<DCCTBTowerBlock *>::iterator it2;
  for (it2 = towerBlocks_.begin(); it2 != towerBlocks_.end(); it2++) {
    delete (*it2);
  }
  towerBlocks_.clear();

  if (srpBlock_ != nullptr) {
    delete srpBlock_;
  }
  if (dccTrailerBlock_ != nullptr) {
    delete dccTrailerBlock_;
  }
}

void DCCTBEventBlock::dataCheck() {
  std::string checkErrors("");

  // Check BOE field/////////////////////////////////////////////////////
  std::pair<bool, std::string> res = checkDataField("BOE", BOE);
  if (!res.first) {
    checkErrors += res.second;
    (errors_["DCC::HEADER"])++;
  }
  ///////////////////////////////////////////////////////////////////////

  // Check H Field //////////////////////////////////////////////////////
  std::string hField = std::string("H");
  res = checkDataField(hField, 1);
  if (!res.first) {
    checkErrors += res.second;
    (errors_["DCC::HEADER"])++;
  }
  ////////////////////////////////////////////////////////////////////////

  // Check Headers //////////////////////////////////////////////////////////
  uint32_t dccHeaderWords = 0;

  if (emptyEvent) {
    dccHeaderWords = 2;
  } else if (!emptyEvent) {
    dccHeaderWords = 7;
  }

  for (uint32_t i = 1; i <= dccHeaderWords; i++) {
    std::string header = std::string("H") + parser_->getDecString(i);
    res = checkDataField(header, i);
    if (!res.first) {
      checkErrors += res.second;
      (errors_["DCC::HEADER"])++;
    }
  }
  ////////////////////////////////////////////////////////////////////////////

  // Check event length ///////////////////////////////////////////////////////
  res = checkDataField("EVENT LENGTH", blockSize_ / 8);
  if (!res.first) {
    checkErrors += res.second;
    (errors_["DCC::EVENT LENGTH"])++;
  }
  /////////////////////////////////////////////////////////////////////////////

  if (!checkErrors.empty()) {
    errorString_ += "\n ======================================================================\n";
    errorString_ += std::string(" ") + name_ + std::string(" data fields checks errors : ");
    errorString_ += checkErrors;
    errorString_ += "\n ======================================================================";
    blockError_ = true;
  }
}

void DCCTBEventBlock::displayEvent(std::ostream &os) {
  os << "\n\n\n\n\n >>>>>>>>>>>>>>>>>>>> Event started at word position " << std::dec << wordBufferOffset_
     << " <<<<<<<<<<<<<<<<<<<<" << std::endl;

  // Display DCC Header ///
  displayData(os);
  /////////////////////////

  // Display SRP Block Contents //////////////
  if (srpBlock_) {
    srpBlock_->displayData(os);
  }
  ////////////////////////////////////////////

  // Display TCC Block Contents ///////////////////////////////
  std::vector<DCCTBTCCBlock *>::iterator it1;
  for (it1 = tccBlocks_.begin(); it1 != tccBlocks_.end(); it1++) {
    (*it1)->displayData(os);
  }

  // Display Towers Blocks /////////////////////////////////////
  std::vector<DCCTBTowerBlock *>::iterator it2;
  for (it2 = towerBlocks_.begin(); it2 != towerBlocks_.end(); it2++) {
    (*it2)->displayData(os);

    // Display Xtal Data /////////////////////////////////////
    std::vector<DCCTBXtalBlock *> &xtalBlocks = (*it2)->xtalBlocks();
    std::vector<DCCTBXtalBlock *>::iterator it3;
    for (it3 = xtalBlocks.begin(); it3 != xtalBlocks.end(); it3++) {
      (*it3)->displayData(os);
    }
  }

  // Display Trailer Block Contents /////////////////////////
  if (dccTrailerBlock_) {
    dccTrailerBlock_->displayData(os);
  }
}

std::pair<bool, std::string> DCCTBEventBlock::compare(DCCTBEventBlock *block) {
  // DCC Header comparision ///////////////////////////////
  std::pair<bool, std::string> ret(DCCTBBlockPrototype::compare(block));
  /////////////////////////////////////////////////////////

  std::stringstream out;

  // Selective readout processor block comparision ////////////////////////////////////////////
  if (srpBlock_ && block->srpBlock()) {
    std::pair<bool, std::string> temp(srpBlock_->compare(block->srpBlock()));
    ret.first = ret.first & temp.first;
    out << temp.second;
  } else if (!srpBlock_ && block->srpBlock()) {
    ret.first = false;
    out << "\n ====================================================================="
        << "\n ERROR SR block identified in the ORIGINAL BLOCK ... "
        << "\n ... but the block is not present in the COMPARISION BLOCK !"
        << "\n =====================================================================";
  } else if (srpBlock_ && !(block->srpBlock())) {
    ret.first = false;
    out << "\n ====================================================================="
        << "\n ERROR SR block identified in the COMPARISION BLOCK ... "
        << "\n ... but the block is not present in the ORIGINAL BLOCK !"
        << "\n =====================================================================";
  }
  ////////////////////////////////////////////////////////////////////////////////////////////

  // TCC Blocks comparision ////////////////////////////////////////////////////////
  // check number of TCC blocks
  int numbTccBlocks_a = tccBlocks_.size();
  int numbTccBlocks_b = block->tccBlocks().size();

  if (numbTccBlocks_a != numbTccBlocks_b) {
    ret.first = false;
    out << "\n ====================================================================="
        << "\n ERROR number of TCC blocks in the ORIGINAL BLOCK( =" << numbTccBlocks_a << " )"
        << "\n and in the COMPARISION BLOCK( = " << numbTccBlocks_b << " is different !"
        << "\n =====================================================================";
  }

  std::vector<DCCTBTCCBlock *>::iterator it1Tcc = tccBlocks_.begin();
  std::vector<DCCTBTCCBlock *>::iterator it1TccEnd = tccBlocks_.end();
  std::vector<DCCTBTCCBlock *>::iterator it2Tcc = block->tccBlocks().begin();
  std::vector<DCCTBTCCBlock *>::iterator it2TccEnd = block->tccBlocks().end();

  for (; it1Tcc != it1TccEnd && it2Tcc != it2TccEnd; it1Tcc++, it2Tcc++) {
    std::pair<bool, std::string> temp((*it1Tcc)->compare(*it2Tcc));
    ret.first = ret.first & temp.first;
    out << temp.second;
  }
  //////////////////////////////////////////////////////////////////////////////////

  // FE Blocks comparision ////////////////////////////////////////////////////////
  // check number of FE blocks
  int numbTowerBlocks_a = towerBlocks_.size();
  int numbTowerBlocks_b = block->towerBlocks().size();

  if (numbTowerBlocks_a != numbTowerBlocks_b) {
    ret.first = false;
    out << "\n ====================================================================="
        << "\n ERROR number of Tower blocks in the ORIGINAL BLOCK( =" << numbTowerBlocks_a << " )"
        << "\n and in the COMPARISION BLOCK( = " << numbTowerBlocks_b << " is different !"
        << "\n =====================================================================";
  }

  std::vector<DCCTBTowerBlock *>::iterator it1Tower = towerBlocks_.begin();
  std::vector<DCCTBTowerBlock *>::iterator it1TowerEnd = towerBlocks_.end();
  std::vector<DCCTBTowerBlock *>::iterator it2Tower = (block->towerBlocks()).begin();
  std::vector<DCCTBTowerBlock *>::iterator it2TowerEnd = (block->towerBlocks()).end();

  for (; it1Tower != it1TowerEnd && it2Tower != it2TowerEnd; it1Tower++, it2Tower++) {
    std::pair<bool, std::string> temp((*it1Tower)->compare(*it2Tower));
    ret.first = ret.first & temp.first;
    out << temp.second;

    // Xtal Block comparision ////////////////////////////
    std::vector<DCCTBXtalBlock *> xtalBlocks1((*it1Tower)->xtalBlocks());
    std::vector<DCCTBXtalBlock *> xtalBlocks2((*it2Tower)->xtalBlocks());
    // check number of xtal blocks
    int numbXtalBlocks_a = xtalBlocks1.size();
    int numbXtalBlocks_b = xtalBlocks2.size();

    if (numbXtalBlocks_a != numbXtalBlocks_b) {
      ret.first = false;
      out << "\n ====================================================================="
          << "\n ERROR number of Xtal blocks in this TOWER ORIGINAL BLOCK( =" << numbXtalBlocks_a << " )"
          << "\n and in the TOWER COMPARISION BLOCK( = " << numbXtalBlocks_b << " is different !"
          << "\n =====================================================================";
    }

    std::vector<DCCTBXtalBlock *>::iterator it1Xtal = xtalBlocks1.begin();
    std::vector<DCCTBXtalBlock *>::iterator it1XtalEnd = xtalBlocks1.end();
    std::vector<DCCTBXtalBlock *>::iterator it2Xtal = xtalBlocks1.begin();
    std::vector<DCCTBXtalBlock *>::iterator it2XtalEnd = xtalBlocks2.end();

    for (; it1Xtal != it1XtalEnd && it2Xtal != it2XtalEnd; it1Xtal++, it2Xtal++) {
      std::pair<bool, std::string> temp((*it1Xtal)->compare(*it2Xtal));
      ret.first = ret.first & temp.first;
      out << temp.second;
    }
  }

  // Trailer block comparision ////////////////////////////////////////////
  if (block->trailerBlock() && trailerBlock()) {
    std::pair<bool, std::string> temp(trailerBlock()->compare(block->trailerBlock()));
    ret.first = ret.first & temp.first;
    out << temp.second;
  }

  ret.second += out.str();

  return ret;
}

bool DCCTBEventBlock::eventHasErrors() {
  bool ret(false);
  ret = blockError();

  // See if we have errors in the  TCC Block Contents ///////////////////////////////
  std::vector<DCCTBTCCBlock *>::iterator it1;
  for (it1 = tccBlocks_.begin(); it1 != tccBlocks_.end(); it1++) {
    ret |= (*it1)->blockError();
  }
  /////////////////////////////////////////////////////////////

  // See if we have errors in the SRP Block /////////
  if (srpBlock_) {
    ret |= srpBlock_->blockError();
  }
  ////////////////////////////////////////////////////

  // See if we have errors in the Trigger Blocks ///////////////
  std::vector<DCCTBTowerBlock *>::iterator it2;
  for (it2 = towerBlocks_.begin(); it2 != towerBlocks_.end(); it2++) {
    ret |= (*it2)->blockError();

    // See if we have errors in the Xtal Data /////////////////
    std::vector<DCCTBXtalBlock *> &xtalBlocks = (*it2)->xtalBlocks();
    std::vector<DCCTBXtalBlock *>::iterator it3;
    for (it3 = xtalBlocks.begin(); it3 != xtalBlocks.end(); it3++) {
      ret |= (*it3)->blockError();
    }
    ////////////////////////////////////////////////////////////
  }
  ///////////////////////////////////////////////////////////////

  // See if we have errors in the  trailler ///////////////////
  if (dccTrailerBlock_) {
    ret |= dccTrailerBlock_->blockError();
  }
  /////////////////////////////////////////////////////////////

  return ret;
}

std::string DCCTBEventBlock::eventErrorString() {
  std::string ret("");

  if (eventHasErrors()) {
    ret += "\n ======================================================================\n";
    ret += std::string(" Event Erros occurred for L1A ( decoded value ) = ");
    ret += parser_->getDecString(getDataField("LV1"));
    ret += "\n ======================================================================";

    ret += errorString();

    // TODO ::
    // See if we have errors in the  TCC Block Contents /////////////
    std::vector<DCCTBTCCBlock *>::iterator it1;
    for (it1 = tccBlocks_.begin(); it1 != tccBlocks_.end(); it1++) {
      ret += (*it1)->errorString();
    }
    /////////////////////////////////////////////////////////////////
    // See if we have errors in the SRP Block ////
    if (srpBlock_) {
      ret += srpBlock_->errorString();
    }
    /////////////////////////////////////////////////////////////////

    // See if we have errors in the Tower Blocks ///////////////////////////////////////////////////
    std::vector<DCCTBTowerBlock *>::iterator it2;

    for (it2 = towerBlocks_.begin(); it2 != towerBlocks_.end(); it2++) {
      ret += (*it2)->errorString();

      // See if we have errors in the Xtal Data /////////////////
      std::vector<DCCTBXtalBlock *> &xtalBlocks = (*it2)->xtalBlocks();
      std::vector<DCCTBXtalBlock *>::iterator it3;

      std::string temp;
      for (it3 = xtalBlocks.begin(); it3 != xtalBlocks.end(); it3++) {
        temp += (*it3)->errorString();
      }

      if (!temp.empty()) {
        ret += "\n Fine grain data Errors found ...";
        ret += "\n(  Tower ID = " + parser_->getDecString((*it2)->getDataField("TT/SC ID"));
        ret += ", LV1 = " + parser_->getDecString((*it2)->getDataField("LV1"));
        ret += ", BX = " + parser_->getDecString((*it2)->getDataField("BX")) + " )";
        ret += temp;
      }
      ////////////////////////////////////////////////////////////
    }

    // See if we have errors in the  trailler ////////////////////
    if (dccTrailerBlock_) {
      ret += dccTrailerBlock_->errorString();
    }
    //////////////////////////////////////////////////////////////
  }

  return ret;
}

std::vector<DCCTBTowerBlock *> DCCTBEventBlock::towerBlocksById(uint32_t towerId) {
  std::vector<DCCTBTowerBlock *> myVector;
  std::vector<DCCTBTowerBlock *>::iterator it;

  for (it = towerBlocks_.begin(); it != towerBlocks_.end(); it++) {
    try {
      std::pair<bool, std::string> idCheck = (*it)->checkDataField("TT/SC ID", towerId);

      if (idCheck.first) {
        myVector.push_back((*it));
      }
    } catch (ECALTBParserBlockException &e) { /*ignore*/
    }
  }

  return myVector;
}