#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include <DHT.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define dhtpin 7
#define dhttype 22
DHT dht(dhtpin, dhttype);
int led = 5;
int mtemp = 31;
int joy = A0;
int ldr = A1;
int joybtn = 6;
bool joybtnp = false;
int timer = 0;
int timera = 0;
bool timerwork = false;
byte degree[] = {
  B11100,
  B10100,
  B11100,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};

void setup() {
  Serial.begin(9600);
  pinMode(led, OUTPUT);
  lcd.init();
  lcd.backlight();
  dht.begin();
  pinMode(joybtn, INPUT);
  digitalWrite(joybtn, HIGH);
  lcd.setCursor(5, 0);
  lcd.print("Made By");
  lcd.setCursor(6, 1);
  lcd.print("Zeyd");
  delay(5000);
  lcd.clear();
  lcd.setCursor(8, 1);
  lcd.print("PA");
}

void loop() {
  if(timerwork){
    timer++;
    delay(250);
  }
  int temp = dht.readTemperature();
  int joyvalue = analogRead(joy);
  int ldrvalue = analogRead(ldr);
  int ldrv = map(ldrvalue, 0, 1023, 100, 0);
  lcd.createChar(0, degree);
  lcd.home();
  lcd.setCursor(0, 0);
  lcd.print("Tem");
  lcd.setCursor(4, 0);
  lcd.print("IDT");
  lcd.setCursor(8, 0);
  lcd.print("SV");
  lcd.setCursor(11, 0);
  lcd.print("TM");
  lcd.setCursor(15, 0);
  lcd.print("I");
  lcd.setCursor(0, 1);
  lcd.print(temp);
  lcd.write(0);
  lcd.print(" ");
  lcd.setCursor(4, 1);
  lcd.print(mtemp);
  lcd.write(0);
  lcd.print(" ");
  lcd.setCursor(11, 1);
  lcd.print(timer);
  lcd.print("  ");

  if(joyvalue == 1023){
    mtemp++;
  }
  else if(joyvalue == 0){
    mtemp--;
  }
  if(digitalRead(joybtn) == LOW && !joybtnp){
    joybtnp = true;
    lcd.setCursor(8, 1);
    lcd.print("AK");
    timerwork = true;
    digitalWrite(led, HIGH);

  }
  else if(digitalRead(joybtn) == LOW && joybtnp){
    joybtnp = false;
    lcd.setCursor(8, 1);
    lcd.print("PA");
    timerwork = false;
    timer = 0;
    digitalWrite(led, LOW);
  }

  if(ldrv > 50 && ldr < 100){
    lcd.setCursor(14, 1);
    lcd.print("Gu");
  }
  else{
    lcd.setCursor(14, 1);
    lcd.print("Ge");
  }
  if(temp < mtemp){
    joybtnp = false;
    lcd.setCursor(8, 1);
    lcd.print("PA");
    timer = 0;
    digitalWrite(led, LOW);
  }
  Serial.println(ldrv);
}