/*
 *  © 2022 Chris Harlow
 *  All rights reserved.
 *  
 *  This file is part of Asbelos DCC API
 *
 *  This 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.
 *
 *  It 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 CommandStation.  If not, see <https://www.gnu.org/licenses/>.
 */
#ifndef TrackManager_h
#define TrackManager_h
#include "FSH.h"
#include "MotorDriver.h"
// Virtualised Motor shield multi-track hardware Interface

enum TRACK_MODE : byte {TRACK_MODE_OFF, TRACK_MODE_MAIN, TRACK_MODE_PROG,
                        TRACK_MODE_DC, TRACK_MODE_DCX};

// These constants help EXRAIL macros say SET_TRACK(2,mode) OR SET_TRACK(C,mode) etc.
const byte TRACK_NUMBER_0=0, TRACK_NUMBER_A=0;    
const byte TRACK_NUMBER_1=1, TRACK_NUMBER_B=1;    
const byte TRACK_NUMBER_2=2, TRACK_NUMBER_C=2;    
const byte TRACK_NUMBER_3=3, TRACK_NUMBER_D=3;    
const byte TRACK_NUMBER_4=4, TRACK_NUMBER_E=4;    
const byte TRACK_NUMBER_5=5, TRACK_NUMBER_F=5;    
const byte TRACK_NUMBER_6=6, TRACK_NUMBER_G=6;    
const byte TRACK_NUMBER_7=7, TRACK_NUMBER_H=7;    

class TrackManager {
  public:
    static void Setup(const FSH * shieldName,
                MotorDriver * track0,
                 MotorDriver * track1=NULL,
                 MotorDriver * track2=NULL,
                 MotorDriver * track3=NULL,
                 MotorDriver * track4=NULL,
                 MotorDriver * track5=NULL,
                 MotorDriver * track6=NULL,
                 MotorDriver * track7=NULL
                 );
    
    static void setDCCSignal( bool on);
    static void setCutout( bool on);
    static void setPROGSignal( bool on);
    static void setDCSignal(int16_t cab, byte speedbyte);
    static MotorDriver * getProgDriver();
    static void setPower2(bool progTrack,POWERMODE mode);
    static void setPower(POWERMODE mode) {setMainPower(mode); setProgPower(mode);}
    static void setMainPower(POWERMODE mode) {setPower2(false,mode);}
    static void setProgPower(POWERMODE mode) {setPower2(true,mode);}

    static const int16_t MAX_TRACKS=8;
    static bool setTrackMode(byte track, TRACK_MODE mode, int16_t DCaddr=0);
    static bool parseJ(Print * stream,  int16_t params, int16_t p[]);
    static void loop();
    static POWERMODE getMainPower() {return mainPowerGuess;}
    static POWERMODE getProgPower();
    static void setJoin(bool join);
    static bool isJoined() { return progTrackSyncMain;}
    static void setJoinRelayPin(byte joinRelayPin);
    static int16_t joinRelay;
    static bool progTrackSyncMain;  // true when prog track is a siding switched to main
     static bool progTrackBoosted;   // true when prog track is not current limited
   
    
  private:
    static void addTrack(byte t, MotorDriver* driver);
    static byte lastTrack;
    static byte nextCycleTrack;
    static POWERMODE mainPowerGuess;
    static void applyDCSpeed(byte t);

    static MotorDriver* track[MAX_TRACKS];
    static TRACK_MODE trackMode[MAX_TRACKS]; 
    static int16_t trackDCAddr[MAX_TRACKS];  // dc address if TRACK_MODE_DC or TRACK_MODE_DCX
    };

#endif