/**********************************************************************

  Audacity: A Digital Audio Editor

  PlainExportOptionsEditor.cpp

  Vitaly Sverchinsky

**********************************************************************/

#include "PlainExportOptionsEditor.h"
#include <wx/config.h>

#include "BasicSettings.h"

PlainExportOptionsEditor::PlainExportOptionsEditor(std::initializer_list<OptionDesc> options,
                                                   Listener* listener)
   : mOptionsListener(listener)
{
   InitOptions(options);
}

PlainExportOptionsEditor::PlainExportOptionsEditor(std::initializer_list<OptionDesc> options,
                                                   SampleRateList sampleRates,
                                                   Listener* listener)
   : mRates(std::move(sampleRates))
   , mOptionsListener(listener)
{
   InitOptions(options);
}

int PlainExportOptionsEditor::GetOptionsCount() const
{
   return static_cast<int>(mOptions.size());
}

bool PlainExportOptionsEditor::GetOption(int index, ExportOption& option) const
{
   if(index >= 0 && index < static_cast<int>(mOptions.size()))
   {
      option = mOptions[index];
      return true;
   }
   return false;
}

bool PlainExportOptionsEditor::GetValue(int id, ExportValue& value) const
{
   const auto it = mValues.find(id);
   if(it != mValues.end())
   {
      value = it->second;
      return true;
   }
   return false;
}

bool PlainExportOptionsEditor::SetValue(int id, const ExportValue& value)
{
   const auto it = mValues.find(id);
   if(it != mValues.end() && it->second.index() == value.index())
   {
      it->second = value;
      return true;
   }
   return false;
}

void PlainExportOptionsEditor::Load(const audacity::BasicSettings& config)
{
   auto index = 0;
   for(const auto& option : mOptions)
   {
      auto it = mValues.find(option.id);
      assert(it != mValues.end());
      if(auto val = std::get_if<bool>(&it->second))
         config.Read(mConfigKeys[index], val);
      else if(auto val = std::get_if<int>(&it->second))
         config.Read(mConfigKeys[index], val);
      else if(auto val = std::get_if<double>(&it->second))
         config.Read(mConfigKeys[index], val);
      else if(auto val = std::get_if<std::string>(&it->second))
      {
         wxString wxstr;
         if(config.Read(mConfigKeys[index], &wxstr))
            *val = wxstr.ToStdString();
      }
      ++index;
   }
}

void PlainExportOptionsEditor::Store(audacity::BasicSettings& config) const
{
   auto index = 0;
   for(const auto& option : mOptions)
   {
      auto it = mValues.find(option.id);
      assert(it != mValues.end());
      if(auto val = std::get_if<bool>(&it->second))
         config.Write(mConfigKeys[index], *val);
      else if(auto val = std::get_if<int>(&it->second))
         config.Write(mConfigKeys[index], *val);
      else if(auto val = std::get_if<double>(&it->second))
         config.Write(mConfigKeys[index], *val);
      else if(auto val = std::get_if<std::string>(&it->second))
         config.Write(mConfigKeys[index], wxString(*val));

      ++index;
   }
}

ExportOptionsEditor::SampleRateList PlainExportOptionsEditor::GetSampleRateList() const
{
   return mRates;
}

void PlainExportOptionsEditor::SetSampleRateList(SampleRateList rates)
{
   mRates = std::move(rates);
   if(mOptionsListener)
      mOptionsListener->OnSampleRateListChange();
}

void PlainExportOptionsEditor::InitOptions(std::initializer_list<OptionDesc> options)
{
   assert(mOptions.empty());

   mOptions.reserve(options.size());
   mValues.reserve(options.size());
   for(auto& desc : options)
   {
      mValues[desc.option.id] = desc.option.defaultValue;
      mOptions.emplace_back(desc.option);
      mConfigKeys.push_back(desc.configKey);
   }
}