// [email protected]
//sumait2025

#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL2j-HZBif4"
#define BLYNK_TEMPLATE_NAME "FISH DEHYDRATOR"
#define BLYNK_AUTH_TOKEN "sW294RfykSblxoit6RWBO0Wf13mxMH8e"

#define heater      27
#define fan         33
#define cled        23
#define DATA_PIN    13
#define CLOCK_PIN   14
#define buzzer      4
#define DHT_PIN     15
//#define rainPin     35
#define moisturePin 34
//#define en1         16
//#define en2         17


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"
#include "HX711.h"


DHTesp dhtSensor;
HX711 scale;

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

LiquidCrystal_I2C lcd(0x27,20,4);

float Temperature,Humidity,Moisture,Weight;

void setup()
{
  lcd.init();                  
  lcd.backlight();
  loadingdisplay();
  
  scale.begin(DATA_PIN, CLOCK_PIN);;

  Serial.begin(115200);
  delay(500);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  pinMode(en1,OUTPUT);
  pinMode(en2,OUTPUT);
  pinMode(ir1,INPUT_PULLUP);
  pinMode(ir2,INPUT_PULLUP);
  pinMode(heater,OUTPUT);
  pinMode(fan,OUTPUT);
  pinMode(cled,OUTPUT);
  pinMode(buzzer,OUTPUT);
  digitalWrite(buzzer,LOW);
  digitalWrite(heater,LOW);
  digitalWrite(fan,LOW);

  Blynk.begin(auth, ssid, pass);
  digitalWrite(cled,HIGH);
}

void loop()
{
 Blynk.run();
 get_data();
 send_update();
 homedisplay();
 
}

void getWeight() {
  if (scale.is_ready()) {
    long reading = scale.read();
    Serial.print("HX711 reading: ");
    Serial.println(reading);
    Weight=map(reading,0,1000,0,100);
  } else {
    Serial.println("HX711 not found.");
  }
  delay(1000);
}

void checkFish(uint8_t reguiredQuality){
  
}

void get_data() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Temperature = data.temperature;
  Humidity = data.humidity;
  Moisture=map(analogRead(34),0,4095,0,1000);
  getWeight();
}

void send_update() {     
  Blynk.virtualWrite(V0,Temperature);
  Blynk.virtualWrite(V1,Humidity);
  Blynk.virtualWrite(V2,Weight);
  Blynk.virtualWrite(V5,Light);
  Blynk.virtualWrite(V8,Moisture);
  delay(150);  
}

void loadingdisplay(){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("SMART WARE-HOUSE FOR"); 
  lcd.setCursor(0,1);
  lcd.print("    FIDH DRYING     "); 
  lcd.setCursor(0,2);
  lcd.print(" SYSTEM INITIALIZE ");
  lcd.setCursor(0,3);
  lcd.print("PLEASE WAIT");
  for(int k=11;k<20;k++)
  {
    lcd.setCursor(k,3);
    lcd.print(".");
    delay(500);
  }
}

void homedisplay(){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("WARE-HOUSE CONDITION"); 
  lcd.setCursor(0,1);
  lcd.print("TEMP:"); 
  lcd.setCursor(5,1);
  lcd.print(Temperature,1);
  lcd.print("°C");
  lcd.setCursor(0,2);
  lcd.print("HUM:");
  lcd.setCursor(5,2);
  lcd.print(Humidity,1);
  lcd.print("%");
  lcd.setCursor(0,3);
  lcd.print("MST:");
  lcd.setCursor(5,3);
  lcd.print(Moisture,1);
  lcd.print("%");
  delay(500);
}

void alert_display(String textAlert){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("-WAREHOUSE OP.ALERT-");
  lcd.setCursor(0,1);
  lcd.print("********************");
  lcd.setCursor(0,2);
  lcd.print("*");
  lcd.setCursor(1,2);
  lcd.print(textAlert);
  lcd.setCursor(19,2);
  lcd.print("*");
  lcd.setCursor(0,3);
  lcd.print("********************");
}

void Alert(uint8_t num){
  for(num;num>0;num--)
  {
    digitalWrite(buzzer,HIGH);
    delay(750);
    digitalWrite(buzzer,LOW);
    delay(500);
  }
}