//BLYNK
//#define BLYNK_TEMPLATE_ID "TMPLs-LMQQxq"
//#define BLYNK_DEVICE_NAME "ESP32 TB"
//#define BLYNK_AUTH_TOKEN "sU1Qec8xJ1YMgppksf_wPtslMUtIL1JI"
//#define BLYNK_PRINT Serial
//#define APP_DEBUG
//#include <BlynkSimpleEsp32.h>
//char auth[] = BLYNK_AUTH_TOKEN;
//char ssid[] = "";
//char pass[] = "";
#include <WiFi.h>
#include <WiFiClient.h>
int blynkswmode,blynkswup,blynkswdown,blynkshowruntime;
int showtime;
//bool state_heater;
  //BLYNK_WRITE(V19)
  //{
    //blynkswmode = param.asInt();
  //}
  //BLYNK_WRITE(V18)
  //{
    //blynkswup = param.asInt();
  //}
  //BLYNK_WRITE(V5)
  //{
    //blynkswdown = param.asInt();
 // }
  //BLYNK_WRITE(V13)
  //{
   // blynkshowruntime = param.asInt();
  //} 
//เรียกใช้ไลบราลี่
#include <LiquidCrystal_I2C.h> 
#include <DHTesp.h>
#define DHTTYPE DHT22 
#include <Ticker.h> 
#include <EEPROM.h>
#define EEPROM_SIZE 12

const int DHT_PIN = 23; //กำหนดขาเซนเซอร์วัดอุณหภูมิ
const int Heater = 4; //กำหนดขาหลอดไฟ
DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27,16,2); //กำหนด Address,จำนวนบรรทัดและอักษร
int value,i;
int potValue = 0; //การกำหนดตัวแปร I แบบจำนวนเต็ม
int swMode,swUp,swDown; //การกำหนดตัวแปรสวิตซ์
int mode;
int showminn;
int x,f,temp;
int tempset,timeset,timer = 0;
int tempRead,outputValue,SetT,t = 0; //การกำหนดตัวแปร แบบจำนวนเต็ม
Ticker count_time1;
float h = 0,minn = 0,sec = 0,y = 0;

void Time(){
  y++;
  if(y >= 10){
    sec++;
    timer++;
    y = 0;
  }
  if(sec >= 60){
    minn++;
    sec = 0;
  }
  if(minn >= 60){
    h++;
    minn = 0;
  }
}

void setup(){
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN,DHTesp::DHT22);
  pinMode(5,INPUT_PULLUP); //sw down
  pinMode(18,INPUT_PULLUP); //sw up
  pinMode(19,INPUT_PULLUP); //sw mode
  pinMode(15,OUTPUT); //หลอดไฟ
  Wire.begin(21,22);
  lcd.init(); //เรียกหน้าจอ
  lcd.backlight(); //เปิดแบล็คไลท์
  lcd.setCursor(1,0);
  lcd.print("Loading.. :   %");
  for(i=0;i<100;i++){ //หน่วงเวลาแบบนับเลข
    lcd.setCursor(13,0); //ตำแหน่งแสดงตัวเลข
    lcd.print(i); //แสดงค่าตัวเลข
    delay (80);
  }
  //lcd.clear();
  mode = 1;
  x = 0;
  if(t == 0)
  noInterrupts();
  EEPROM.begin(EEPROM_SIZE); //ดึงค่าจาก EEPROM
  tempset = EEPROM.read(0); //ดึงค่าอุณหภูมิที่Address 0
  timeset = EEPROM.read(3); //ดึงค่าเวลาที่Address 3
  if(tempset > 80)
  tempset = 50;
  temp = tempset;
  if(timeset > 254)
  timeset = 0;
  t = timeset;
  Serial.print("TEMP SET = ");
  Serial.println(tempset);
  Serial.print("TIME SET = ");
  Serial.println(timeset);
  //Blynk.begin(auth,ssid,pass);  
}
void loop(){
  //Blynk.virtualWrite(V1,tempRead);
  //Blynk.virtualWrite(V2,tempset);
  //Blynk.virtualWrite(V3,timeset/60);
  //Blynk.virtualWrite(V13,minn,sec);
  //Blynk.run();
  swMode = digitalRead(19);
  swUp = digitalRead(18);
  swDown = digitalRead(5);
  if(swMode ==0 || blynkswmode == 1){
    mode ++;
    digitalWrite(Heater,LOW);
    lcd.clear();
  }
  if(mode%3 == 1){
    settemp();
  }
  else if(mode%3 == 2){
    settime();
  }
  else if((mode%3 == 0 && timer < t) || (mode%3 == 0 && t == 0)){
    runmode();
  }
  if(timer >= t && timer != 0){
    if(x == 0){
      //lcd.clear();
      x = 1;
      lcd.setCursor(0,0);
      lcd.print("   END OF TIME  ");
      lcd.setCursor(0,1);
      lcd.print(" TIME = ");
      showtime = timer/60;
      lcd.print(showtime);
      lcd.print(" Min");   
    }
    digitalWrite(Heater,LOW);
    noInterrupts();
  }
  if(y == 0){
    Serial.print(h); Serial.print(":");
    Serial.print(minn); Serial.print(":");
    Serial.print(sec); Serial.print(":");
    Serial.print(i); Serial.print(":");
    Serial.println();
    tempset = EEPROM.read(0); 
    timeset = EEPROM.read(3); 
    Serial.print("TEMP SET = ");
    Serial.println(tempset);
    Serial.print(" C");
    Serial.print("TIME SET = ");
    Serial.println(timeset);
    Serial.print(" Min");
  }
 }
void settime(){
  //lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("SET TIMEMODE");
  lcd.setCursor(0,1);
  lcd.print("TIMESET = "+String(t/60)+" Min");
  //Blynk.run();
  swUp = digitalRead(18);
  swDown = digitalRead(5);
  if(swUp == 0 || blynkswup == 1){
    t++;
    t = t+59;
    showminn = t/60;
  }
  if(swDown == 0 || blynkswdown == 1){
    t--;
    t = t-59;
    showminn = t/60;
    if(t < 0)
    t = 0;
  }
  timer = 0;
  x = 0;
  digitalWrite(Heater,LOW);
  timeset = t;
  EEPROM.write(3,timeset);
  EEPROM.commit();
}
void settemp(){
  lcd.setCursor(0,0);
  lcd.print("SET TEMPMODE");
  lcd.setCursor(0,1);
  lcd.print("TEMPSET = "+String(temp)+" C");
  //Blynk.run();
  swUp = digitalRead(18);
  swDown = digitalRead(5);
  if(swUp == 0){
    temp++;
    if(temp > 80)
    temp = 80;
  }
  if(swDown == 0){
    temp--;
    if(temp < 30)
    t = 30;
  }
  f = 0;
  tempset = temp;
  EEPROM.write(0,timeset);
  EEPROM.commit();
}
void runmode(){
  //lcd.clear();
  //Blynk.run();
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  tempRead = data.temperature;
  lcd.setCursor(0, 0);
  lcd.print("READ="+ String(data.temperature,0)+" Set="+String(outputValue,0));
  lcd.setCursor(0, 1);
  lcd.print("TIME="+ String(h,0)+":"+ String(minn,0)+":"+ String(sec,0));
  if(t == 0){
    noInterrupts();
  }
  else{
  if(f == 0){
    h = 0;
    minn = 0;
    sec = 0;
    y = 0;
    timer = 0;
    interrupts();
    count_time1.attach(0.1,Time); //interrupts every 0.1 sec
    f = 1;
  }
  }
if(outputValue > tempRead){
  digitalWrite(Heater,HIGH);
}
else{
  digitalWrite(Heater,LOW);
}
}