#include "EasyNextionLibrary.h"
#include "neotimer.h"

EasyNex myNex(Serial1);  // Create an object of EasyNex class with the name < myNex >
                         // Set as parameter the Hardware Serial you are going to use

// PHYSICAL PINOUTS
const int MCU1 = 10;    //OK but needs relay block - Fan IO
const int MCU2 = 11;    //OK - Light IO
const int MCU3 = 12;    //OK - Socket IO
const int MCU4 = 13;    //OK - UV
const int MCU5 = 25;    //OK
const int MCU6 = 26;    //OK
const int MCU7 = 24;    //Clutch
const int MCU8 = 22;    //OK but needs capacitor - Sash Up
const int MCU9 = 23;    //OK but needs capacitor - Sash Down
const int DIN1 = 78;    //This is FLOW-1
const int DIN2 = 79;    
const int DIN3 = 2;    //MOTS
const int DIN4 = 81;
const int DIN5 = 62;    //SashHigh
const int DIN6 = 63;    //SashLow
const int DIN7 = 64;    //SashMid
const int DIN8 = A11;   //ESTP
const int AIN1 = A0;
const int AIN2 = A1;
const int AIN3 = A2;
const int AIN4 = A3;

// SOFT VARIABLES

int autoSashEN = 1;         // 0 - Autosash disabled :: 1 - Autosash enabled
volatile bool emrStop = 0;    //This needs chaning to tie to DIN8
bool sashUpFlag = 0;
bool sashDownFlag = 0;

// TIMERS

  Neotimer noMotion = Neotimer(3000);  //Change this to HMI sash time


void setup() {
  // put your setup code here, to run once:
  myNex.begin(115200);  // Begin the object with a baud rate of 9600
                        // If no parameter was given in the begin(), the default baud rate of 9600 will be used
  pinMode(MCU1, OUTPUT);
  pinMode(MCU2, OUTPUT);
  pinMode(MCU3, OUTPUT);
  pinMode(MCU4, OUTPUT);
  pinMode(MCU5, OUTPUT);
  pinMode(MCU6, OUTPUT);
  pinMode(MCU7, OUTPUT);
  pinMode(MCU8, OUTPUT);
  pinMode(MCU9, OUTPUT);
  pinMode(DIN1, INPUT);
  pinMode(DIN2, INPUT);
  pinMode(DIN3, INPUT);
  pinMode(DIN4, INPUT);
  pinMode(DIN5, INPUT);
  pinMode(DIN6, INPUT);
  pinMode(DIN7, INPUT);
  pinMode(DIN8, INPUT);
  pinMode(AIN1, INPUT);
  pinMode(AIN2, INPUT);
  pinMode(AIN3, INPUT);
  pinMode(AIN4, INPUT);

  digitalWrite(MCU8,LOW);
  digitalWrite(MCU9, LOW);

  // Needs a section to check for emergency stop alarms on startup and check sash position

  noMotion.start();
  attachInterrupt(digitalPinToInterrupt(DIN3), timerReset, RISING);   // killSash also resets the timer Not sure we still need this.
  attachInterrupt(digitalPinToInterrupt(DIN5), setSHFL, FALLING);  //set Sash-High-Level-Flag-Low
  attachInterrupt(digitalPinToInterrupt(DIN6), setSLFL, FALLING);  //set Sash-Low-Level-Flag-Low
  
}

void loop() {
  // put your main code here, to run repeatedly:

  myNex.NextionListen();  // This function must be called repeatedly to response touch events
                          // from Nextion touch panel. Actually, you should place it in your loop function.
  setFlags();
  // if(DIN3 == HIGH){
  //   noMotion.reset();
  //   noMotion.restart();
  // }
  runSash();
 
}

void setFlags() {
  if((digitalRead(DIN6) == HIGH) && (autoSashEN == 1) && (noMotion.done() == 1)) {
    sashDownFlag = 1;    
    sashUpFlag = 0;
  }     //DIN6 is sash low :: 23 is MCU9 SashDown
  else {
    sashDownFlag = 0;
  }
  if((digitalRead(DIN5) == HIGH) && (autoSashEN == 1) && (noMotion.done() == 0)) {
    sashUpFlag = 1;
    sashDownFlag = 0;
  }
  else {
    sashUpFlag = 0;
  }

}

void timerReset() {
  if(digitalRead(DIN3) == HIGH) {
  noMotion.reset();
  noMotion.start();
  sashUpFlag = 1;
  }
}

void runSash() {
  if (sashDownFlag == 1) {
      rSashDown();
  }
  else {
      sSashDown();
  }
  if (sashUpFlag == 1) {
      rSashUp();
  }
  else {
      sSashUp();
  }
}

void trigger0() {  // This is called when the fan switch is toggled
  digitalWrite(MCU1, !digitalRead(MCU1));                      
  if (digitalRead(MCU1) == HIGH) {
    //myNex.writeNum("b0.bco", 2016);  // Set button b0 background color to GREEN (color code: 2016)
    //myNex.writeStr("b0.txt", "ON");  // Set button b0 text to "ON"
    digitalWrite(MCU1, HIGH);
  } else if (digitalRead(MCU1) == LOW) {
    //myNex.writeNum("b0.bco", 63488);  // Set button b0 background color to RED (color code: 63488)
    //myNex.writeStr("b0.txt", "OFF");  // Set button b0 text to "ON"
    digitalWrite(MCU1, LOW);
  }  // I have left this in as an example of how to run logic alongside and generate new screen elements from arduino.
}

void trigger1() {  // This is called when the light switch is toggled
  digitalWrite(MCU2, !digitalRead(MCU2));
  if (digitalRead(MCU2) == HIGH) {
    digitalWrite(MCU2, HIGH);
  } else if (digitalRead(MCU2) == LOW) {
    digitalWrite(MCU2, LOW);
  }
}

void trigger2() {  // This is called when the socket switch is toggled
  digitalWrite(MCU3, !digitalRead(MCU3));
  if (digitalRead(MCU3) == HIGH) {
    digitalWrite(MCU3, HIGH);
  } else if (digitalRead(MCU3) == LOW) {
    digitalWrite(MCU3, LOW);
  }
}

void trigger3() {  // This is called when the auto-sash switch is toggled
  // Needs logic writing to determine sash position using 
  // sash level switches and input from the motion sensor
  if(autoSashEN==0){
    autoSashEN = 1;
    noMotion.start();     //Enables autosash and starts timer
  }
  else {
    autoSashEN = 0;
    digitalWrite(MCU8, LOW);   //Stop the sash on the offchance it is still moving
    digitalWrite(MCU9, LOW);
    digitalWrite(MCU7, LOW);
    noMotion.reset();         //Disables the autosash and resets the timer for next use
  }
}

void trigger5() {  // This is called when the sash up button is pressed
  digitalWrite(MCU8, !digitalRead(MCU8));
  if (digitalRead(MCU8) == HIGH) {
    digitalWrite(MCU8, HIGH);
    digitalWrite(MCU7, HIGH);
  } else if (digitalRead(MCU8) == LOW) {
    digitalWrite(MCU8, LOW);
    digitalWrite(MCU7, LOW);
  }
}

void trigger6() {  // This is called when the sash down button is pressed
  digitalWrite(MCU9, !digitalRead(MCU9));
  if (digitalRead(MCU9) == HIGH) {
    digitalWrite(MCU9, HIGH);
    digitalWrite(MCU7, HIGH);
  } else if (digitalRead(MCU9) == LOW) {
    digitalWrite(MCU9, LOW);
    digitalWrite(MCU7, LOW);
  }
}

void killSash() {   //Use this to stop sash motion any time.
  digitalWrite(MCU8, LOW);
  digitalWrite(MCU9, LOW);
  digitalWrite(MCU7, LOW);
  noMotion.reset();
}

void rSashUp() {
  digitalWrite(MCU9, LOW);    //Just in case it has been running
  digitalWrite(MCU7, HIGH);
  digitalWrite(MCU8, HIGH);
}

void rSashDown() {
  digitalWrite(MCU8, LOW);    //Just in case it has been running
  digitalWrite(MCU7, HIGH);
  digitalWrite(MCU9, HIGH);
}

void setSHFL() {
  sashUpFlag = 0;   //High level switch has been triggered set sashup flag to 0 to stop movement
  killSash();
}

void setSLFL() {
  sashDownFlag = 0;   //Low level switch has been triggered set sashdown flag to 0 to stop movement
  killSash();
}

void sSashUp() {
  digitalWrite(MCU7, LOW);
  digitalWrite(MCU8, LOW);
}

void sSashDown() {
  digitalWrite(MCU7, LOW);
  digitalWrite(MCU9, LOW);
}