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

  Audacity: A Digital Audio Editor

  @file ShuttleAutomation.cpp

  Paul Licameli split from Shuttle.cpp

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

#include "ShuttleAutomation.h"
#include "EffectAutomationParameters.h"

EffectParameterMethods::~EffectParameterMethods() = default;

// ShuttleGetAutomation gets from the shuttle into typically a string.
ConstSettingsVisitor & ShuttleGetAutomation::Optional(const bool & var) {
   pOptionalFlag = &var;
   return *this;
};

void ShuttleGetAutomation::Define(bool var, const wxChar * key,
   bool, bool, bool, bool)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, var);
}

void ShuttleGetAutomation::Define(int var, const wxChar * key,
   int, int, int, int)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, var);
}

void ShuttleGetAutomation::Define(size_t var, const wxChar * key,
   int, int, int, int)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, (int) var);
}

void ShuttleGetAutomation::Define(double var, const wxChar * key,
   float, float, float, float)
{
   if( !ShouldSet() ) return;
   mpEap->WriteFloat(key, var);
}

void ShuttleGetAutomation::Define(float var, const wxChar * key,
   float, float, float, float)
{
   if( !ShouldSet() ) return;
   mpEap->WriteFloat(key, var);
}

void ShuttleGetAutomation::Define(double var, const wxChar * key,
   double, double, double, double)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, var);
}


void ShuttleGetAutomation::Define(const wxString &var, const wxChar * key,
   wxString, wxString, wxString, wxString)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, var);
}


void ShuttleGetAutomation::DefineEnum(int var, const wxChar * key,
   int, const EnumValueSymbol strings[], size_t)
{
   if( !ShouldSet() ) return;
   mpEap->Write(key, strings[var].Internal());
}



SettingsVisitor & ShuttleSetAutomation::Optional( bool & var ){
   pOptionalFlag = &var;
   return *this;
};

// Tests for parameter being optional.
// Prepares for next parameter by clearing the pointer.
// If the parameter is optional, finds out if it was actually provided.
// i.e. could it be got from a macro?
// The result goes into the flag variable, so we typically ignore the result.
bool ShuttleSetAutomation::CouldGet( const wxString &key ){
   // Not optional?  Can get as we will get the default, at worst.
   if( !pOptionalFlag )
      return true;
   bool result = mpEap->HasEntry( key );
   *pOptionalFlag = result;
   pOptionalFlag = NULL;
   return result;
}

void ShuttleSetAutomation::Define( bool & var,     const wxChar * key, const bool vdefault, const bool vmin, const bool vmax, const bool vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   // Use of temp in this and related functions is to handle the case of
   // only committing values if all values pass verification.
   bool temp =var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault);
   if( bWrite && bOK)
      var = temp;
}

void ShuttleSetAutomation::Define( int & var,      const wxChar * key, const int vdefault, const int vmin, const int vmax, const int vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   int temp =var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, vmin, vmax);
   if( bWrite && bOK)
      var = temp;
}

void ShuttleSetAutomation::Define( size_t & var,      const wxChar * key, const int vdefault, const int vmin, const int vmax, const int vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   int temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, vmin, vmax);
   if( bWrite && bOK )
      var = temp;
}

void ShuttleSetAutomation::Define( float & var,   const wxChar * key, const float vdefault, const float vmin, const float vmax, const float vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   float temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, vmin, vmax);
   if( bWrite && bOK )
      var = temp;
}


void ShuttleSetAutomation::Define( double & var,   const wxChar * key, const float vdefault, const float vmin, const float vmax, const float vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   double temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, vmin, vmax);
   if( bWrite && bOK)
      var = temp;
}

void ShuttleSetAutomation::Define( double & var,   const wxChar * key, const double vdefault, const double vmin, const double vmax, const double vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   double temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, vmin, vmax);
   if( bWrite && bOK)
      var = temp;
}


void ShuttleSetAutomation::Define( wxString &var, const wxChar * key, const wxString vdefault, const wxString vmin, const wxString vmax, const wxString vscl )
{
   CouldGet( key );
   if( !bOK )
      return;
   wxString temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault);
   if( bWrite && bOK )
      var = temp;
}


void ShuttleSetAutomation::DefineEnum( int &var, const wxChar * key, const int vdefault, const EnumValueSymbol strings[], size_t nStrings )
{
   CouldGet( key );
   if( !bOK )
      return;
   int temp = var;
   bOK = mpEap->ReadAndVerify(key, &temp, vdefault, strings, nStrings);
   if( bWrite && bOK)
      var = temp;
}

SettingsVisitor &ShuttleDefaults::Optional( bool & var )
{
   var = true;
   pOptionalFlag = nullptr;
   return *this;
}

SettingsVisitor &ShuttleDefaults::OptionalY( bool & var )
{
   var = true;
   pOptionalFlag = nullptr;
   return *this;
}

SettingsVisitor &ShuttleDefaults::OptionalN( bool & var )
{
   var = false;
   pOptionalFlag = nullptr;
   return *this;
}

void ShuttleDefaults::Define(bool & var, const wxChar *, bool vdefault,
   bool, bool, bool)
{
   var = vdefault;
}

void ShuttleDefaults::Define(int & var, const wxChar *, int vdefault,
   int, int, int)
{
   var = vdefault;
}

void ShuttleDefaults::Define(size_t & var, const wxChar *, int vdefault,
   int, int, int)
{
   var = vdefault;
}

void ShuttleDefaults::Define(float & var, const wxChar *, float vdefault,
   float, float, float)
{
   var = vdefault;
}

void ShuttleDefaults::Define(double & var, const wxChar *, float vdefault,
   float, float, float)
{
   var = vdefault;
}

void ShuttleDefaults::Define(double & var, const wxChar *,  double   vdefault,
   double, double, double)
{
   var = vdefault;
}

void ShuttleDefaults::Define(wxString &var, const wxChar *, wxString vdefault,
   wxString, wxString, wxString)
{
   var = vdefault;
}

void ShuttleDefaults::DefineEnum(int &var, const wxChar *, int vdefault,
   const EnumValueSymbol [], size_t)
{
   var = vdefault;
}