#define A 18
#define B 23
#define C 4
#define D 16
#define E 17
#define F 19
#define G 0
#define DP 15
#define DIG1 5
#define DIG2 21
#define DIG3 22
#define DIG4 2
#include "DHTesp.h"
#define DHT_PIN 33
DHTesp dhtSensor;

void clear_digit() {
  digitalWrite(A, LOW);
  digitalWrite(B, LOW);
  digitalWrite(C, LOW);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, LOW);
  digitalWrite(DP, LOW); 
}

void zero() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, LOW); 
}
void one() { 
  digitalWrite(A, LOW); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, LOW); 
  digitalWrite(E, LOW); 
  digitalWrite(F, LOW); 
  digitalWrite(G, LOW); 
}
void two() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, LOW); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, LOW); 
  digitalWrite(G, HIGH); 
}
void three() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, LOW); 
  digitalWrite(F, LOW); 
  digitalWrite(G, HIGH); 
}
void four() { 
  digitalWrite(A, LOW); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, LOW); 
  digitalWrite(E, LOW); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void five() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, LOW); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, LOW); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void six() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, LOW); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void seven() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, LOW); 
  digitalWrite(E, LOW); 
  digitalWrite(F, LOW); 
  digitalWrite(G, LOW); 
}
void eight() { 
  digitalWrite(A, HIGH); 
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void nine() { 
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, LOW); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void minus() { 
  digitalWrite(A, LOW);
  digitalWrite(B, LOW); 
  digitalWrite(C, LOW); 
  digitalWrite(D, LOW); 
  digitalWrite(E, LOW); 
  digitalWrite(F, LOW); 
  digitalWrite(G, HIGH); 
}
void space() { 
  digitalWrite(A, LOW);
  digitalWrite(B, LOW); 
  digitalWrite(C, LOW); 
  digitalWrite(D, LOW); 
  digitalWrite(E, LOW); 
  digitalWrite(F, LOW); 
  digitalWrite(G, LOW); 
}
void tempe() { 
  digitalWrite(A, LOW);
  digitalWrite(B, LOW); 
  digitalWrite(C, LOW); 
  digitalWrite(D, HIGH); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
void humil() { 
  digitalWrite(A, LOW);
  digitalWrite(B, LOW); 
  digitalWrite(C, HIGH); 
  digitalWrite(D, LOW); 
  digitalWrite(E, HIGH); 
  digitalWrite(F, HIGH); 
  digitalWrite(G, HIGH); 
}
unsigned long previousMillis = 0;
unsigned long displayMillis = 0;
const long interval = 2000; 
const long displayInterval = 1; 
int digit = 1;
double tempi = 0;
double tempi3 = 0;
int tempi2 = 0;
double humi = 0;
int current_temp = 0;
bool showTemperature = true;

void displayNumber(int digit, int value) {
  switch (digit) {
    case 1: 
      digitalWrite(DIG1, LOW); 
      digitalWrite(DIG2, HIGH); 
      digitalWrite(DIG3, HIGH); 
      digitalWrite(DIG4, HIGH); 
      digitalWrite(DP, LOW);  
      break;
    case 2: 
      digitalWrite(DIG1, HIGH); 
      digitalWrite(DIG2, LOW); 
      digitalWrite(DIG3, HIGH); 
      digitalWrite(DIG4, HIGH); 
      digitalWrite(DP, LOW); 
      break;
    case 3: 
      digitalWrite(DIG1, HIGH); 
      digitalWrite(DIG2, HIGH); 
      digitalWrite(DIG3, LOW); 
      digitalWrite(DIG4, HIGH); 
      digitalWrite(DP, LOW); 
      break;
    case 4: 
      digitalWrite(DIG1, HIGH); 
      digitalWrite(DIG2, HIGH); 
      digitalWrite(DIG3, HIGH); 
      digitalWrite(DIG4, LOW); 
      digitalWrite(DP, LOW); 
      break;
  }
  switch (value) {
    case 0: zero(); break;
    case 1: one(); break;
    case 2: two(); break;
    case 3: three(); break;
    case 4: four(); break;
    case 5: five(); break;
    case 6: six(); break;
    case 7: seven(); break;
    case 8: eight(); break;
    case 9: nine(); break;
    case 10: tempe(); break;
    case 11: humil(); break;
    case 12: minus(); break;
    case 13: space(); break;
  }
}

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(DP, OUTPUT);
  pinMode(DIG1, OUTPUT);
  pinMode(DIG2, OUTPUT);
  pinMode(DIG3, OUTPUT);
  pinMode(DIG4, OUTPUT);
  digitalWrite(DIG1, HIGH);
  digitalWrite(DIG2, HIGH);
  digitalWrite(DIG3, HIGH);
  digitalWrite(DIG4, HIGH);
}

void loop() {
  unsigned long currentMillis = millis();
  if( millis() - current_temp > 5000)
  {
    showTemperature = !showTemperature;
    current_temp = millis();
  }
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    tempi = data.temperature;
    if (abs(tempi)<10){
      tempi3=tempi;
    }
    else{
      tempi2=static_cast<int>(round(tempi));
    } 
    humi = data.humidity; 
  }
int tempTens=0;
int tempUnits=0;
  // Обновление дисплея
  if (currentMillis - displayMillis >= displayInterval) {
    displayMillis = currentMillis;
    if (showTemperature) {
      if (abs(tempi)<10){
         tempTens = static_cast<int>((abs(tempi3)*10)) /10 ;
         tempUnits = static_cast<int>((abs(tempi3)*10)) % 10;
      }
      else{
       tempTens = abs(tempi2) / 10;
       tempUnits = abs(tempi2) % 10;
      }
      // Отображаем температуру
      switch (digit) {
        case 1: displayNumber(1, 10); break; // Символ "t"
        case 2: displayNumber(2, (tempi < 0) ? 12 : 13); break;
        { 
        case 3: if (abs(tempi)<10){displayNumber(3, tempTens);digitalWrite(DP, HIGH); break;
         } 
         else{displayNumber(3, tempTens); break;};
        case 4: displayNumber(4, tempUnits); break; 
      }
    }
    }
    else{ 
      int HUMI=static_cast<int>(humi*10);
      int humTens = 0;
        int humUnits = 0;
        int humDes = 0;
      if (humi==100){
         humTens = 1;
         humUnits = 0;
         humDes = 0;
      } else{
       humTens = HUMI / 100;
       humUnits = (HUMI % 100)/10;
       humDes = (HUMI % 100)%10;
      }
      // Отображаем влажность
      switch (digit) {
        case 1: displayNumber(1, 11); break; // Символ "H"
        case 2: displayNumber(2, humTens); break;
        case 3: if (humi<100){displayNumber(3, humUnits); digitalWrite(DP, HIGH); break;
         } 
         else{displayNumber(3, humUnits); digitalWrite(DP, LOW); break;}; 
        case 4: displayNumber(4, humDes); break; 
      }
    }
    digit++;
    if (digit > 4) digit = 1;
    clear_digit();
  }
}