#include <Arduino.h>

// #define BLYNK_TEMPLATE_ID "TMPL6d_Q8hfeL"
// #define BLYNK_TEMPLATE_NAME "Đồ ÁN TỐT NGHIỆP"
// #define BLYNK_AUTH_TOKEN "gapaVnB-onM_lq_U0YNpYPM51PACyxJd"


#include <WiFi.h>
#include <WiFiClient.h>
// #include <BlynkSimpleEsp32.h>
#include <string.h>
#include <LiquidCrystal_I2C.h>

#include <SimpleDHT.h>

// setup LCD
int lcdColumns = 16;
int lcdRows = 2;

LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);

byte customChar[] = {
  B01110,
  B01010,
  B01110,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};// kí hiệu đặt biệt lcd

float t = 0;// BIẾN NHIỆT ĐỘ
float h = 0;// BIẾN ĐỘ ẨM

float set_ndc=32;
float set_ndt=31;
float set_dac=90;
float set_dat=80;

int tt_man=0;
int tt_nn1=0;

// DHT define
int pinDHT22 = 4;// thiết lập chân đọc tín hiệu từ dht22 chân số 4
SimpleDHT22 dht22(pinDHT22);

// Define LED
#define LMQ 16 //Làm Mát QUạt
#define LMN 17 //Làm mát nước
#define LAMP 15 //đèn sưởi
#define MAN  18// man esp


int bt1;// quạt
int bt2;// nước
int bt3;// đèn sưởi

// char auth[] = BLYNK_AUTH_TOKEN;
// char ssid[] = "NhatTrieu_4G";
// char pass[] = "18022002";

void ht_nd()
{
    //hiển thị nhiệt độ
    lcd.setCursor(0, 0);
    lcd.print("NHIET DO");
    lcd.print(":");
    lcd.print(t);
    lcd.write(0);
    lcd.print("C");
    // hiển thị độ ẩm
    lcd.setCursor(0, 1);
    lcd.print("DO AM   ");
    lcd.print(":");
    lcd.print(h);
    lcd.print(" %");
    delay(500);
}

void setup()
{
  // initialize LCD
  lcd.init();
  // turn on LCD backlight
  lcd.backlight();
  
  pinMode(LMN, OUTPUT);//khai báo chân
  pinMode(LMQ, OUTPUT);//khai báo chân
  pinMode(LAMP, OUTPUT);//khai báo chân
  pinMode(MAN, INPUT_PULLUP);
  Serial.begin(115200);

  // Blynk.begin(auth, ssid, pass);
}



void loop()
{
  // Blynk.run();
  ht_nd();
  int err = SimpleDHTErrSuccess;
  if ((err = dht22.read2(&t, &h, NULL)) != SimpleDHTErrSuccess) {
    Serial.print("Read DHT22 failed, err="); 
    Serial.print(SimpleDHTErrCode(err));
    Serial.print(","); 
    Serial.println(SimpleDHTErrDuration(err)); 
    ht_nd();
    delay(2000);
    return;
  }
  Serial.println("Read DHT22 OK: ");
  // Blynk.virtualWrite(V0, t);
  // Blynk.virtualWrite(V1, h);
  Serial.print("\n");
  Serial.print("Humidity: " + String(h) + "%");
  Serial.print("\t");
  Serial.println("Temperature:" + String(t) + " C");
  if(digitalRead(MAN) == 0)
  {
    ht_nd();
    Serial.println("AUTO");
    if((t>=set_ndc)&&(h>=set_dac))
    {
      digitalWrite(LMQ, HIGH);
      digitalWrite(LAMP, LOW);
      digitalWrite(LMN, LOW);
      Serial.println("LMQ : ON    LAMP : OFF    LMN : OFF");
    }
    else if((t>=set_ndc)&&(h<set_dat))
        {
          ht_nd();  
          digitalWrite(LMQ, HIGH);
          digitalWrite(LAMP, LOW);
          digitalWrite(LMN, HIGH);
          Serial.println("LMQ : ON    LAMP : OFF    LMN : ON");
        }
        else if((t<set_ndt)&&(h>=set_dac))
            {
              ht_nd();
              digitalWrite(LMQ, LOW);
              digitalWrite(LAMP, HIGH);
              digitalWrite(LMN, LOW);
              Serial.println("LMQ : OFF    LAMP : ON    LMN : OFF");
            }
            else if((t<set_ndt)&&(h<set_dat))
                {
                  ht_nd();
                  digitalWrite(LMQ, LOW);
                  digitalWrite(LAMP, HIGH);
                  digitalWrite(LMN, HIGH);
                  Serial.println("LMQ : OFF    LAMP : ON    LMN : ON");
                }
  }     
  else{
    ht_nd();
    Serial.println("MAN");
  }
  delay(2000);
}

// BLYNK_WRITE(V2) {
//   bt1 = param.asInt();
//   if(bt1 == 1) {
//     if(digitalRead(MAN) == 1) digitalWrite(LMQ, HIGH);
//   } else {
//     if(digitalRead(MAN) == 1) digitalWrite(LMQ, LOW);
//   }
// }
// BLYNK_WRITE(V3) {
//   bt2 = param.asInt();
//   if(bt2 == 1) {
//     if(digitalRead(MAN) == 1) digitalWrite(LAMP, HIGH);
//   } else {
//     if(digitalRead(MAN) == 1) digitalWrite(LAMP, LOW);
//   }
// }
// BLYNK_WRITE(V4) {
//   bt3 = param.asInt();
//   if(bt3 == 1) {
//     if(digitalRead(MAN) == 1) digitalWrite(LMN, HIGH);
//   } else {
//     if(digitalRead(MAN) == 1) digitalWrite(LMN, LOW);
//   }
// }