#define BLYNK_TEMPLATE_ID "TMPL6lteeJxCG"
#define BLYNK_TEMPLATE_NAME "DETEKSI KELEMBABAN"
#define BLYNK_AUTH_TOKEN "mrX-qKXbzriq34tlM38QvQAGjyoFrP0Y"
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>//include library code
// ************************************************************

LiquidCrystal_I2C lcd(0x27,16,2);
//************************************************************

// Gantilah dengan SSID dan password WiFi Anda
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

const int analogPin = 35;  // Soil moisture sensor attached to analog pin A0
const int relayPin = 4;    // 5v relay module attached to digital pin 4
int thresholdValue = 40;   // Threshold value set to 40%
bool motorState = false;

int status = WL_IDLE_STATUS;

BLYNK_WRITE(V1) {
  motorState = param.asInt();
  motorState = !motorState;
  if (motorState == LOW) {
    Serial.println("-------------------------");
    Serial.print("Button Blynk: ");
    Serial.println(motorState);
    Serial.println("Pompa Nyala...");
    Blynk.virtualWrite(V1, HIGH);
    Serial.println("-------------------------");
  } else {
    Serial.println("-------------------------");
    Serial.print("Button Blynk: ");
    Serial.println(motorState);
    Serial.println("Pompa Mati...");
    Blynk.virtualWrite(V1, LOW);
    Serial.println("-------------------------");
  }
}

void setup() {
  pinMode(relayPin, OUTPUT);      // Sets the relayPin as OUTPUT
  pinMode(analogPin, INPUT);      // Sets the relayPin as OUTPUT
  // digitalWrite(relayPin, HIGH);   // Water pump is off by default
  Serial.begin(9600);             // Initializes the serial communication at 9600 bps
  lcd.init ();//Define the LCD as 16 column by 2 rows
  //lcd.setBacklightPin(3, POSITIVE);//Switch on the backlight
  lcd.backlight();
  lcd.setCursor(0, 0); //goto first column (column 0) and second line (line 0)
  lcd.print("    Automatic   ");//Print at cursor Location
  lcd.setCursor(0, 1); //goto first column (column 0) and second line (line 1)
  lcd.print("  Garden System ");//Print at cursor Location
  delay(2000);  //sets delay for 2 seconds
  lcd.clear();//clears the LCD screen
  lcd.setCursor(0, 0); //goto first column (column 0) and second line (line 0)
  lcd.print("Analyze Water...");//Print at cursor Location
  delay(3000);  //sets delay for 2 seconds
  lcd.clear();//clears the LCD screen
  lcd.setCursor(0, 0); //goto first column (column 0) and second line (line 0)
  lcd.print("I Need Water!!!");//Print at cursor Location
  delay(3000);  //sets delay for 2 seconds
  lcd.clear();//clears the LCD screen
  // Memulai komunikasi serial
  // delay(2000);        ?            // Sets delay for 2 seconds

  // Serial.begin(9600);
  // while (!Serial) {
  //   ;  // Tunggu hingga port serial terhubung

  // }

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  Serial.println("Terhubung ke jaringan WiFi");
  printWiFiStatus();
}

void loop() {
  lcd.clear();//clears the LCD screen
  Blynk.run();
  int analogValue = analogRead(analogPin);

  int moisturedata = map(analogValue, 0, 4095, 100, 0);  // Maps sensor value to percentage
  Serial.print("Moisture: ");
  Serial.print(moisturedata);
  Serial.println("%");
  lcd.setCursor(0, 0);
  lcd.print("Pump");

  if (moisturedata < thresholdValue) {
    Serial.print(" - Time to water your plant");
    Serial.println(" - Water pump is on");
    digitalWrite(relayPin, LOW); // Turn on the water 
    lcd.setCursor(12, 1);
    lcd.print("OFF");
    lcd.setCursor(0, 1);
    lcd.print("Plant:");
    lcd.setCursor(6, 1);
    lcd.print("OK");
    Blynk.virtualWrite(V1, HIGH);
    delay(1000);
  } else {
    Serial.print(" - The plant doesn't need watering");
    Serial.println(" - Water pump is off");
    digitalWrite(relayPin, HIGH); // Turn off the water pump
    lcd.setCursor(12, 1);
    lcd.print("ON");
    lcd.setCursor(0, 1);
    lcd.print("Plant:");
    lcd.setCursor(6, 1);
    lcd.print("DRY");
    Blynk.virtualWrite(V1, LOW);
    delay(1000);
  }

  Blynk.virtualWrite(V0, moisturedata);
  delay(200);
}

void printWiFiStatus() {
  // Cetak SSID jaringan yang tersambung
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // Cetak alamat IP perangkat
  IPAddress ip = WiFi.localIP();
  Serial.print("Alamat IP: ");
  Serial.println(ip);
}