#if !defined(ConfigParse_hxx)

#define ConfigParse_hxx

#include <map>

#include <set>

#include <vector>

#include "rutil/BaseException.hxx"

#include "rutil/HashMap.hxx"

#include "rutil/Data.hxx"

namespace resip

{

class ConfigParse

{

private:

   class NestedConfigParse;

public:

   class Exception final : public BaseException

   {

      public:

         Exception(const Data& msg,

                   const Data& file,

                   const int line)

            : BaseException(msg, file, line) {}            

      protected:

         const char* name() const noexcept override { return "ConfigParse::Exception"; }

   };

   ConfigParse();

   virtual ~ConfigParse();

   // parses both command line and config file - using config file name from first command line parameter (if present)

   // skipcount represents the number of command line options to skip before looking for config filename or name value pairs

   virtual void parseConfig(int argc, char** argv, const resip::Data& defaultConfigFilename);

   virtual void parseConfig(int argc, char** argv, const resip::Data& defaultConfigFilename, int skipCount); 

   virtual void parseCommandLine(int argc, char** argv, int skipCount = 0);

   virtual void parseConfigFile(const resip::Data& filename);

   virtual void printHelpText(int argc, char **argv) = 0;

   void getConfigIndexKeys(const resip::Data& indexName, std::set<resip::Data>& keys) const;

   bool getConfigValue(const resip::Data& name, resip::Data &value) const;

   resip::Data getConfigData(const resip::Data& name, const resip::Data& defaultValue, bool useDefaultIfEmpty=false) const;

   bool getConfigValue(const resip::Data& name, bool &value) const;

   bool getConfigBool(const resip::Data& name, bool defaultValue) const;

   bool getConfigValue(const resip::Data& name, unsigned long &value) const;

   unsigned long getConfigUnsignedLong(const resip::Data& name, unsigned long defaultValue) const;

   bool getConfigValue(const resip::Data& name, int &value) const;

   int getConfigInt(const resip::Data& name, int defaultValue) const;

   bool getConfigValue(const resip::Data& name, unsigned short &value) const;

   unsigned short getConfigUnsignedShort(const resip::Data& name, int defaultValue) const;

   bool getConfigValue(const resip::Data& name, std::vector<resip::Data> &value) const;

   bool getConfigValue(const resip::Data& name, std::vector<int>& value) const;

   bool getConfigValue(const resip::Data& name, std::set<resip::Data> &value) const;

   typedef HashMap<int, NestedConfigParse> NestedConfigMap;

   NestedConfigMap getConfigNested(const resip::Data& mapsPrefix) const;

   bool AddBasePathIfRequired(Data& filename) const;

   void insertConfigValue(const resip::Data& name, const resip::Data& value);

protected:

   template <typename T>

   bool translateConfigValue(const std::map<T, resip::Data> dict, const resip::Data& name, T& value) const

   {

      Data lowerName(name);  lowerName.lowercase();

      ConfigValuesMap::const_iterator it = mConfigValues.find(lowerName);

      if(it == mConfigValues.end())

      {

         return false;

      }

      const Data& s = it->second;

      for(const auto kv : dict) {

         if(isEqualNoCase(s, kv.second))

         {

            value = kv.first;

            return true;

         }

      };

      std::cerr << "Invalid value for " << name << ": " << s;

      exit(-1);

   };

   typedef HashMultiMap<resip::Data, resip::Data> ConfigValuesMap;

   void insertConfigValue(const Data& source, ConfigValuesMap& configValues, const resip::Data& name, const resip::Data& value);

   ConfigValuesMap mCmdLineConfigValues;

   ConfigValuesMap mFileConfigValues;

   ConfigValuesMap mConfigValues;

   resip::Data removePath(const resip::Data& fileAndPath) const;

   // Config filename from command line

   resip::Data mCmdLineConfigFilename;

   resip::Data mConfigBasePath;

private:

   friend EncodeStream& operator<<(EncodeStream& strm, const ConfigParse& config);

};

class ConfigParse::NestedConfigParse : public ConfigParse

{

public:

   NestedConfigParse() {};

   virtual void printHelpText(int argc, char **argv) {};

};

EncodeStream& operator<<(EncodeStream& strm, const ConfigParse& config);

}

#endif

/* ====================================================================

 * The Vovida Software License, Version 1.0 

 * 

 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.

 * Copyright (C) 2013-2023 Daniel Pocock https://danielpocock.com

 * Copyright (C) 2023 Software Freedom Institute SA https://softwarefreedom.institute

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in

 *    the documentation and/or other materials provided with the

 *    distribution.

 * 

 * 3. The names "VOCAL", "Vovida Open Communication Application Library",

 *    and "Vovida Open Communication Application Library (VOCAL)" must

 *    not be used to endorse or promote products derived from this

 *    software without prior written permission. For written

 *    permission, please contact vocal@vovida.org.

 *

 * 4. Products derived from this software may not be called "VOCAL", nor

 *    may "VOCAL" appear in their name, without prior written

 *    permission of Vovida Networks, Inc.

 * 

 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND

 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA

 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES

 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH

 * DAMAGE.

 * 

 * ====================================================================

 * 

 * This software consists of voluntary contributions made by Vovida

 * Networks, Inc. and many individuals on behalf of Vovida Networks,

 * Inc.  For more information on Vovida Networks, Inc., please see

 * <http://www.vovida.org/>.

 *

 */