/**
    bespoke synth, a software modular synthesizer
    Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
**/
//
//  NoteSustain.h
//  Bespoke
//
//  Created by Ryan Challinor on 6/19/15.
//
//

#pragma once

#include "IDrawableModule.h"
#include "NoteEffectBase.h"
#include "Slider.h"
#include "Transport.h"

class NoteSustain : public NoteEffectBase, public IDrawableModule, public IFloatSliderListener, public IAudioPoller
{
public:
   NoteSustain();
   ~NoteSustain();
   static IDrawableModule* Create() { return new NoteSustain(); }
   static bool AcceptsAudio() { return false; }
   static bool AcceptsNotes() { return true; }
   static bool AcceptsPulses() { return false; }

   void CreateUIControls() override;
   void Init() override;

   void SetEnabled(bool enabled) override
   {
      mEnabled = enabled;
      mNoteOutput.Flush(NextBufferTime(false));
   }

   void OnTransportAdvanced(float amount) override;

   //INoteReceiver
   void PlayNote(double time, int pitch, int velocity, int voiceIdx = -1, ModulationParameters modulation = ModulationParameters()) override;

   void FloatSliderUpdated(FloatSlider* slider, float oldVal, double time) override;

   void LoadLayout(const ofxJSONElement& moduleInfo) override;
   void SetUpFromSaveData() override;

   bool IsEnabled() const override { return mEnabled; }

private:
   //IDrawableModule
   void DrawModule() override;
   void GetModuleDimensions(float& width, float& height) override
   {
      width = 110;
      height = 22;
   }

   struct QueuedNoteOff
   {
      QueuedNoteOff(double time, double pitch, double voiceIdx)
      : mTime(time)
      , mPitch(pitch)
      , mVoiceIdx(voiceIdx)
      {}
      double mTime{ 0 };
      int mPitch{ 0 };
      int mVoiceIdx{ -1 };
   };

   float mSustain{ .25 };
   FloatSlider* mSustainSlider{ nullptr };
   std::list<QueuedNoteOff> mNoteOffs;
};
