#include "TM1637.h"
#include <dht.h>

#define DHT22_PIN 2

TM1637 TM1;
TM1637 TM2;
TM1637 TM3;
dht DHT;

const int nxtbut = A0;
const int upbut = A1;
const int dwnbut = A2;
const int ackbut = A3;

bool nxtbutval = 0;
int nxtlightON = 0;
int nxtpushed = 0;

bool upbutval = 0;
int uplightON = 0;
int uppushed = 0;

bool dwnbutval = 0;
int dwnlightON = 0;
int dwnpushed = 0;

bool ackbutval = 0;
int acklightON = 0;
int ackpushed = 0;

int currentMenu = 0;
int currentSercetMenu = 0;

int lowtemp = 18;
int hightemp = 27;
int lowpa = 10;
int highpa = 20;
int lowhud = 70;
int highhud = 80;

int temperr = 0;
int paerr = 0;
int huderr = 0;



void setup()
{
  Serial.begin(9600);
  // Serial.println(__FILE__);

  TM1.begin(3, 4, 4);       //  clockpin, datapin, #digits
  TM2.begin(5, 6, 4);
  TM3.begin(7, 8, 4);

  pinMode(nxtbut, INPUT_PULLUP);
  pinMode(upbut, INPUT_PULLUP);
  pinMode(dwnbut, INPUT_PULLUP);
  pinMode(ackbut, INPUT_PULLUP);

  TM1.displayClear();
  delay(200);

  TM2.displayClear();
  delay(200);

  TM3.displayClear();
  delay(200);

  TM1.setBrightness(1);
  TM1.displayPChar("RJIS");
  delay(1000);

  TM2.setBrightness(1);
  TM2.displayPChar("CS 1");
  delay(1000);

  // TM3.setBrightness(1);
  // TM3.displayPChar("");
  // delay(1000);

}




//  mimick clock, not ok under 10 seconds
//  left as exercise for the programmer ;)
void loop()
{

  nxtbutval = 1 - digitalRead(nxtbut);
  upbutval  = 1 - digitalRead(upbut);
  dwnbutval = 1 - digitalRead(dwnbut);
  ackbutval = 1 - digitalRead(ackbut);

  if (nxtbutval == HIGH && nxtlightON == LOW) {
    nxtpushed = 1 - nxtpushed;
    currentMenu++;
    delay(100);
  }
  nxtlightON = nxtbutval;

  if (dwnbutval == HIGH && dwnlightON == LOW && currentSercetMenu == 0 && currentMenu == 0) {
    dwnpushed = 1 - dwnpushed;
    currentSercetMenu++;
    delay(100);
  }
  // dwnlightON = dwnbutval;

  if (upbutval == HIGH && uplightON == LOW && currentSercetMenu == 1 && currentMenu == 0) {
    uppushed = 1 - uppushed;
    currentSercetMenu++;
    delay(100);
  }
  uplightON = upbutval;

  if (dwnbutval == HIGH && dwnlightON == LOW && currentSercetMenu == 2 && currentMenu == 0) {
    dwnpushed = 1 - dwnpushed;
    currentSercetMenu++;
    delay(100);
  }
  dwnlightON = dwnbutval;


  if (currentMenu == 0) {


    int chk = DHT.read22(DHT22_PIN);
   
    Serial.print(int(DHT.humidity), 1);
    Serial.print(",\t");
    Serial.print(DHT.temperature, 1);
    Serial.print(",\t");
    Serial.print(currentSercetMenu);
    Serial.print(",\t");
    Serial.print(dwnlightON);
    Serial.print(",\t");
    Serial.println();

    if (currentSercetMenu == 3) {
      if (currentMenu == 0) {
        reptupdwn(currentSercetMenu, "temp", "err", temperr);
      }
      else if (currentMenu == 1) {
        reptupdwn(currentSercetMenu, "temp", "err", huderr);
      }
      else if (currentMenu == 2) {
        reptupdwn(currentSercetMenu, "temp", "err", paerr);
      }
      else if (currentMenu == 3) {
        currentSercetMenu=0;
        currentMenu = 0;
      }

    }
    else{
    TM1.displayInt(int(DHT.humidity));
    // TM1.displayFloat(DHT.humidity);
    // TM2.displayFloat(DHT.temperature);
    TM2.displayCelsius(DHT.temperature, false);
    TM3.displayInt(23);
    }

  }
  else if (currentMenu == 1) {
    reptupdwn(currentMenu, "temp", "loo", lowtemp);
  }
  else if (currentMenu == 2) {
    reptupdwn(currentMenu, "temp", "high", hightemp);
  }
  else if (currentMenu == 3) {
    reptupdwn(currentMenu, "hud", "loo", lowhud);
  }
  else if (currentMenu == 4) {
    reptupdwn(currentMenu, "hud", "high", highhud);
  }
  else if (currentMenu == 5) {
    reptupdwn(currentMenu, "pres", "loo", lowpa);
  }
  else if (currentMenu == 6) {
    reptupdwn(currentMenu, "pres", "high", highpa);
  }
  else if (currentMenu >= 7) {
    currentMenu = 0;
  }


  // int chk = DHT.read22(DHT22_PIN);
  // TM1.displayInt(int(DHT.humidity));
  // // TM1.displayFloat(DHT.humidity);
  // // TM2.displayFloat(DHT.temperature);
  // TM2.displayCelsius(DHT.temperature,false);
  // Serial.print(int(DHT.humidity), 1);
  // Serial.print(",\t");
  // Serial.print(DHT.temperature, 1);
  // Serial.print(",\t");
  // Serial.println();

}


void reptupdwn(int currentMenu, char senName[], char value[], int &varr) {

  nxtbutval = 1 - digitalRead(nxtbut);
  upbutval  = 1 - digitalRead(upbut);
  dwnbutval = 1 - digitalRead(dwnbut);
  ackbutval = 1 - digitalRead(ackbut);

  TM1.displayPChar(senName);
  TM3.displayPChar(value);
  TM2.displayInt(varr);

  if (upbutval == HIGH && uplightON == LOW) {
    uppushed = 1 - uppushed;
    varr++;
    delay(100);
  }
  uplightON = upbutval;

  if (dwnbutval == HIGH && dwnlightON == LOW) {
    dwnpushed = 1 - dwnpushed;
    varr--;
    delay(100);
  }
  dwnlightON = dwnbutval;

  // TM1.displayRaw(data,-1);
  // TM1.displayPChar('t');
  Serial.print(currentMenu);

}


// a: 0x0a
// b: 0x0b
// c: 0x0c
// d: 0x0d
// e: 0x0e
// f: 0x0f
// g: 0x12
// h: 0x13
// i: 0x14
// j: 0x15
// k: 0x16
// l: 0x17
// m: 0x18
// n: 0x19
// o: 0x1a
// p: 0x1b
// q: 0x1c
// r: 0x1d
// s: 0x1e
// t: 0x1f
// u: 0x20
// v: 0x21
// w: 0x22
// x: 0x23
// y: 0x24
// z: 0x25