/*
 * Filename:    Message.h
 *
 * Description:
 *
 *
 * Version:     
 * Created:     Tue Mar 10 23:06:17 2020
 * Revision:    None
 * Author:      Rachel Fae Fox (foxiepaws),fox@foxiepa.ws
 *
 */

#include <cstdint>
#include "midi/message.h"
namespace amalgam {
    namespace Utils {
        template <class T>
        T clamp(T num, T max, T min) {
            num = (num < min) ? min : num;
            return (num > max) ? max : num;
        }
        // this MType must contain some of the same 
        enum class MType : int { NoteOff = 0x80, NoteOn = 0x90, PKP = 0xA0,
                                 CC = 0xB0, PC = 0xC0, Aftertouch = 0xD0,
                                 PitchBend = 0xE0, System =0xF0 };
        
        class Message {
            MType m;
            uint8_t midinote;
            double bender;   //
            double bendamount;
            double velocity; // velocity is a 0-1 value; 
            double pressure; // pressure is a 0-1 value;
            void* data;      // for extended message types.
            
            float freq() { return (powf(2.0,(((float)midinote-69.0)/12.0)) * 440.0) + (bendamount * bender); }
            
            Midi::Message* toMidiMessage() {
                if (m >= MType::System)
                    throw "Not able to convert to a std midi message";
                
                unsigned int bend = 0x2000 + clamp((int)floor(bender * 0x2000), (int)-8191, (int)8191);
                unsigned int v = clamp((int) (velocity * 127), 0, 127);
                unsigned int p = clamp((int) (pressure * 127), 0, 127);
                
                return new Midi::VoiceMessage();
                
            }
        };
    }
}