/* -*- mode: c++ -*-
 * Kaleidoscope-LED-Wavepool
 * Copyright (C) 2017 Selene Scriven
 *
 * 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/>.
 */

#pragma once

#ifdef ARDUINO_AVR_MODEL01

#include "kaleidoscope/Runtime.h"
#include <Kaleidoscope-LEDControl.h>

#define WP_WID 14
#define WP_HGT 5

namespace kaleidoscope {
namespace plugin {
class WavepoolEffect : public Plugin,
  public LEDModeInterface,
  public AccessTransientLEDMode {
 public:
  WavepoolEffect(void) {}

  EventHandlerResult onKeyEvent(KeyEvent &event);

  // ms before idle animation starts after last keypress
  static uint16_t idle_timeout;
  static int16_t ripple_hue;

  static constexpr int16_t rainbow_hue = INT16_MAX;

  // This class' instance has dynamic lifetime
  //
  class TransientLEDMode : public LEDMode {
   public:

    // Please note that storing the parent ptr is only required
    // for those LED modes that require access to
    // members of their parent class. Most LED modes can do without.
    //
    explicit TransientLEDMode(const WavepoolEffect *parent);

    EventHandlerResult onKeyEvent(KeyEvent &event);

   protected:

    void update() final;

   private:

    uint8_t frames_since_event_;
    int8_t surface_[2][WP_WID * WP_HGT];
    uint8_t page_;
    static PROGMEM const uint8_t rc2pos[Runtime.device().numKeys()];

    void raindrop(uint8_t x, uint8_t y, int8_t *page);
    uint8_t wp_rand();

    friend class WavepoolEffect;
  };
};

}
}

extern kaleidoscope::plugin::WavepoolEffect WavepoolEffect;

#endif