#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>

// DHT22 setup
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Pin lainnya
#define LED_LIGHT 3
#define LED_PUMP 4
#define SERVO_PIN 5
#define BUZZER 6
#define BUTTON_PIN 7

// Sensor analog
#define SOIL_PIN A0
#define LDR_PIN A1

// LCD setup
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Servo setup
Servo roofServo;

// Variabel mode
bool manualMode = false;

void setup() {
  Serial.begin(9600);

    dht.begin();
      lcd.init();
        lcd.backlight();
          
            pinMode(LED_LIGHT, OUTPUT);
              pinMode(LED_PUMP, OUTPUT);
                pinMode(BUZZER, OUTPUT);
                  pinMode(BUTTON_PIN, INPUT_PULLUP);

                    roofServo.attach(SERVO_PIN);
                      roofServo.write(0); // atap tertutup awal

                        lcd.setCursor(0, 0);
                          lcd.print("Smart Greenhouse");
                            delay(2000);
                              lcd.clear();
                              }

                              void loop() {
                                // Cek tombol untuk mode manual
                                  if (digitalRead(BUTTON_PIN) == LOW) {
                                      manualMode = !manualMode;
                                          lcd.clear();
                                              lcd.print(manualMode ? "Manual Mode" : "Auto Mode");
                                                  delay(500);
                                                    }

                                                      float temperature = dht.readTemperature();
                                                        float humidity = dht.readHumidity();
                                                          int soilValue = analogRead(SOIL_PIN); // 0-1023
                                                            int lightValue = analogRead(LDR_PIN); // 0-1023

                                                              // Tampilkan data di serial monitor
                                                                Serial.print("Temp: "); Serial.print(temperature);
                                                                  Serial.print("C  Hum: "); Serial.print(humidity);
                                                                    Serial.print("%  Soil: "); Serial.print(soilValue);
                                                                      Serial.print("  Light: "); Serial.println(lightValue);

                                                                        // Tampilkan di LCD
                                                                          lcd.setCursor(0, 0);
                                                                            lcd.print("T:"); lcd.print(temperature); lcd.print("C ");
                                                                              lcd.print("H:"); lcd.print(humidity); lcd.print("%");

                                                                                lcd.setCursor(0, 1);
                                                                                  lcd.print("S:"); lcd.print(soilValue);
                                                                                    lcd.print(" L:"); lcd.print(lightValue);

                                                                                      if (!manualMode) {
                                                                                          // Mode otomatis
                                                                                              // Kontrol pompa air
                                                                                                  if (soilValue > 600) {
                                                                                                        digitalWrite(LED_PUMP, HIGH);
                                                                                                            } else {
                                                                                                                  digitalWrite(LED_PUMP, LOW);
                                                                                                                      }

                                                                                                                          // Kontrol lampu cahaya
                                                                                                                              if (lightValue < 500) {
                                                                                                                                    digitalWrite(LED_LIGHT, HIGH);
                                                                                                                                        } else {
                                                                                                                                              digitalWrite(LED_LIGHT, LOW);
                                                                                                                                                  }

                                                                                                                                                      // Atap otomatis buka jika suhu terlalu panas
                                                                                                                                                          if (temperature > 30) {
                                                                                                                                                                roofServo.write(90);
                                                                                                                                                                      digitalWrite(BUZZER, HIGH);
                                                                                                                                                                          } else {
                                                                                                                                                                                roofServo.write(0);
                                                                                                                                                                                      digitalWrite(BUZZER, LOW);
                                                                                                                                                                                          }
                                                                                                                                                                                            } else {
                                                                                                                                                                                                // Mode manual: semua mati kecuali dikontrol manual
                                                                                                                                                                                                    digitalWrite(LED_PUMP, LOW);
                                                                                                                                                                                                        digitalWrite(LED_LIGHT, LOW);
                                                                                                                                                                                                            roofServo.write(0);
                                                                                                                                                                                                                digitalWrite(BUZZER, LOW);
                                                                                                                                                                                                                  }

                                                                                                                                                                                                                    delay(1000);
                                                                                                                                                                                                                    }