#include <iostream>
#include <sstream>
#include <iomanip>

#include "dbclient/KM3NeTDBClient.h"

#include "JDB/JDB.hh"
#include "JDB/JSelector.hh"

#include "JSon/JSon.hh"
#include "JSon/JPrinter.hh"

#include "Jeep/JVersion.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

namespace {

  static const std::string help_t  =  "help";
}


/**
 * \file
 *
 * Auxiliary program to print data from data base.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  JServer   server;
  string    usr;
  string    pwd;
  string    cookie;
  string    query;
  JSelector selection;
  string    api;
  int       width;
  string    csv;
  string    key;
  int       debug;

  try {

    JParser<> zap("Auxiliary program to print data from data base.");
    
    zap['s'] = make_field(server)     = getServernames();
    zap['u'] = make_field(usr)        = "";
    zap['!'] = make_field(pwd)        = "";
    zap['C'] = make_field(cookie)     = "";
    zap['q'] = make_field(query)      = "";
    zap['@'] = make_field(selection)  = JPARSER::initialised();
    zap['A'] = make_field(api,        "API, possible values X.Y.Z[/help] ('apiv2') or \"\" ('streamds')") = "";
    zap['W'] = make_field(width)      = 16;
    zap['c'] = make_field(csv)        = " ";
    zap['k'] = make_field(key)        = "";
    zap['d'] = make_field(debug)      = 1;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  try {

    JDB::reset(usr, pwd, cookie);

    if (api == "") {

      ResultSet& rs  = getResultSet(query, selection);
      {
	for (unsigned int i = 0; i != rs.FieldCount(); ++i) {
	  cout << (i != 0 ? csv : "") << setw(width) << left << rs.FieldName(i) << flush;
	}
	cout << endl;
      }
      while (rs.Next()) {
	for (unsigned int i = 0; i != rs.FieldCount(); ++i) {
	  cout << (i != 0 ? csv : "") << setw(width) << left << rs.GetString(i) << flush;
	}
	cout << endl;
      }
      
      rs.Close();

    } else {

      JVersion version;

      istringstream is(api);

      if (is >> version) {

	json           js;
	JSON::JPrinter printer;

	string buffer;

	if      (is.peek() == EOF)
	  *(JDB::get()->APIv2Select(version.toString().c_str(), query.c_str(), selection)) >> js;
	else if (is.get() == '/' && is >> buffer && buffer == help_t)
	  *(JDB::get()->APIv2Help(version.toString().c_str(), (query != "" ? query.c_str() : "all/h"))) >> js;
	else
	  FATAL("Error reading API version <" << api << ">." << endl);
	  
	printer(cout, js, key);

      } else {

	FATAL("Error reading API version <" << api << ">." << endl);
      }
    }
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }

  return 0;
}