#include "DHT.h"
#define DHTPIN A5    
#define DHTTYPE DHT22  
DHT dht(DHTPIN, DHTTYPE);

// tombol 1
#define buttonPin1 A0
uint8_t butState1           = 0;  // current state of the button
uint8_t lastButSt1          = 0;  // previous state of the button
unsigned long lastDebTime1  = 0;  // the last time the output pin was toggled
unsigned long debDelay     = 10;

// tombol 2
#define buttonPin2 A1
uint8_t butState2           = 0;  // current state of the button
uint8_t lastButSt2          = 0;  // previous state of the button
unsigned long lastDebTime2  = 0;  // the last time the output pin was toggled

// tombol 3
#define buttonPin3 A2
uint8_t butState3           = 0;  // current state of the button
uint8_t lastButSt3          = 0;  // previous state of the button
unsigned long lastDebTime3  = 0;  // the last time the output pin was toggled

unsigned long lastmillis = 0;

int buzz = A4;
//int pwm = 10;
int kondisi = 1;
int data;
int sensor = A3;
int nilai = 0;
int satuan,puluhan,ratusan,ribuan;
int seg[] = {11,12,13,10};
int segmentpin[] = {2,3,4,6,7,8,9,5};
byte segment[][8]={{0,0,0,0,0,0,1,1},{1,0,0,1,1,1,1,1},{0,0,1,0,0,1,0,1}
                ,{0,0,0,0,1,1,0,1},{1,0,0,1,1,0,0,1},{0,1,0,0,1,0,0,1}
                ,{0,1,0,0,0,0,0,1},{0,0,0,1,1,1,1,1},{0,0,0,0,0,0,0,1}
                ,{0,0,0,0,1,0,0,1}};


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  for(int i = 0; i < 8; i++){
    pinMode(segmentpin[i], OUTPUT);
  }
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);
  pinMode(seg[0], OUTPUT);
  pinMode(seg[1], OUTPUT);
  pinMode(seg[2], OUTPUT);
//  pinMode(seg[3], OUTPUT);
//  pinMode(pwm, OUTPUT);
  dht.begin();
  pinMode(sensor, INPUT);
  pinMode(buzz, OUTPUT);
  digitalWrite(seg[0],HIGH);
  digitalWrite(seg[1],HIGH);
  digitalWrite(seg[2],HIGH);
}

void loop() {
  // put your main code here, to run repeatedly:
  // Serial.println(data);

  uint8_t reading1 = digitalRead(buttonPin1);
  if (reading1 != lastButSt1) {
    lastDebTime1 = millis();
  }
//  Serial.println(reading);
  if ((millis() - lastDebTime1) > debDelay) {
    if (reading1 != butState1) {
      butState1 = reading1;
      if (butState1 == HIGH) {
        if(nilai < 999){
          nilai+=1;
        }
      }
    }
  }
  lastButSt1 = reading1;

  uint8_t reading2 = digitalRead(buttonPin2);
  if (reading2 != lastButSt2) {
    lastDebTime2 = millis();
  }
//  Serial.println(reading);
  if ((millis() - lastDebTime2) > debDelay) {
    if (reading2 != butState2) {
      butState2 = reading2;
      if (butState2 == HIGH) {
        if(nilai > 0){
          nilai-=1;
        }
      }
    }
  }
  lastButSt2 = reading2;

  uint8_t reading3 = digitalRead(buttonPin3);
  if (reading3 != lastButSt3) {
    lastDebTime3 = millis();
  }
//  Serial.println(reading);
  if ((millis() - lastDebTime3) > debDelay) {
    if (reading3 != butState3) {
      butState3 = reading3;
      if (butState3 == HIGH) {
          kondisi = !kondisi;
          digitalWrite(buzz,HIGH);
      }
    }
  }
  lastButSt3 = reading3;

   if((millis() - lastmillis) > 100){
     lastmillis = millis();
     digitalWrite(buzz,LOW);
//     if(nilai < 999){
//       nilai+=1;
//     }else{
//       nilai=0;
//     }
   }

  if(kondisi){
    data = 10 * dht.readTemperature();
  }else{
    data = analogRead(sensor) / 4;
  }
//  analogWrite(pwm,data);
  satuan = data % 10;
  puluhan = (data / 10) % 10;
  ratusan = (data / 100) % 10;
  ribuan = (data / 1000) % 10;
  seg1(satuan);
  seg2(puluhan);
  seg3(ratusan);
  seg4(ribuan);
  // for(int b = 0; b < 8; b++){
  //   digitalWrite(segmentpin[b],segment[nilai%10][b]);
  //   Serial.print(segment[nilai][b]);
  // }
  // Serial.println(nilai);
  // if(nilai == 10){
  //   nilai = 0;
  // }
}

void seg1(unsigned int data){
  for(int b = 0; b < 8; b++){
    digitalWrite(segmentpin[b],segment[data][b]);
  }
  digitalWrite(seg[0],HIGH);
  delay(5);
  digitalWrite(seg[0],LOW);
}

void seg2(unsigned int data){
  for(int b = 0; b < 8; b++){
    if( b == 7 && kondisi == 1){
      digitalWrite(segmentpin[b],0);
    }else{
      digitalWrite(segmentpin[b],segment[data][b]);
    }
  }
  digitalWrite(seg[1],HIGH);
  delay(5);
  digitalWrite(seg[1],LOW);
}

void seg3(unsigned int data){
  for(int b = 0; b < 8; b++){
    digitalWrite(segmentpin[b],segment[data][b]);
  }
  digitalWrite(seg[2],HIGH);
  delay(5);
  digitalWrite(seg[2],LOW);
}

void seg4(unsigned int data){
 for(int b = 0; b < 8; b++){
   digitalWrite(segmentpin[b],segment[data][b]);
 }
 digitalWrite(seg[3],HIGH);
 delay(5);
 digitalWrite(seg[3],LOW);
}