#include <Arduino.h>
#include <WiFi.h>
#include <PubSubClient.h>
#include <Wire.h>
#include "LiquidCrystal_I2C.h"
#include "DHT.h"
#include <ESP32Servo.h>
#include <RTClib.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>

RTC_DS1307 rtc;

#define relayPin 18
#define relay2Pin 19 
#define ldrPin 35
#define DHT_PIN 15
#define DHTTYPE DHT22
#define LED_PIN 33
DHT dht(DHT_PIN, DHT22);
LiquidCrystal_I2C lcd(0x27, 20, 4);
LiquidCrystal_I2C lcd2(0x27, 20, 4);

#include "FC28.h"
#define SensorFC28_Pin 34
float soil_moisture;
FC28Sensor mySensor;

const float gama = 0.7;
const float rl10 = 50;

float temp, hum, lux;
String soilStatus, luxStatus;

void readRTC(void *parameter) {
  while (1) {
    DateTime now = rtc.now();
    int tahun = now.year() % 100;
    Serial.println("Tanggal             : " + String(now.day()) + "/" + String(now.month()) + "/" + String(tahun));
    Serial.println("Waktu               : " + String(now.hour()) + ":" + String(now.minute()) + ":" + String(now.second()));
    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void readDHT(void *parameter) {
  while (1) {
    hum = dht.readHumidity();
    temp = dht.readTemperature();

    // Kontrol relay berdasarkan suhu
    if (temp < 13) {
      digitalWrite(relay2Pin, LOW); // Relay dan LED mati jika suhu di bawah 13 derajat
    } else {
      digitalWrite(relay2Pin, HIGH); // Relay dan LED menyala jika suhu di atas 13 derajat
    }

    vTaskDelay(2000 / portTICK_PERIOD_MS); // DHT22 memiliki laju sampling 0.5 Hz
  }
}

void readLDR(void *parameter) {
  while (1) {
    int ldrValue = analogRead(ldrPin);
    ldrValue = map(ldrValue, 4095, 0, 1024, 0);
    float ldrVoltage = ldrValue / 1024.0 * 5;
    float ldrResistance = 2000 * ldrVoltage / (1 - ldrVoltage / 5);
    lux = pow(rl10 * 1e3 * pow(10, gama) / ldrResistance, (1 / gama));
    luxStatus = lux < 1440 ? "Rendah" : "Tinggi";

    if (lux < 1440) {
      digitalWrite(LED_PIN, HIGH);
    } else {
      digitalWrite(LED_PIN, LOW);
    }
    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void readSoilMoisture(void *parameter) {
  while (1) {
    soil_moisture = mySensor.getSoilMoisture();
    soilStatus = soil_moisture < 33.33 ? "Kering" : soil_moisture > 66.66 ? "Basah" : "Normal";

    if (soil_moisture < 33.33) {
      digitalWrite(relayPin, HIGH);
    } else {
      digitalWrite(relayPin, LOW);
    }
    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void lcdDisplay(void *parameter) {
  while (1) {
    lcd.setCursor(0, 0);
    lcd.print("Tanah      :");
    lcd.setCursor(13, 0);
    lcd.print(soilStatus);

    lcd.setCursor(0, 1);
    lcd.print("Kecerahan  : ");
    lcd.setCursor(13, 1);
    lcd.print(luxStatus);

    lcd.setCursor(0, 2);
    lcd.print("Suhu       :");
    lcd.setCursor(13, 2);
    lcd.print(temp);
    lcd.setCursor(19, 2);
    lcd.print("C");

    lcd.setCursor(0, 3);
    lcd.print("Kelembaban :");
    lcd.setCursor(13, 3);
    lcd.print(hum);
    lcd.setCursor(19, 3);
    lcd.print("%");

    Serial.println("Tanah      : " + soilStatus);
    Serial.println("Kecerahan  : " + luxStatus);
    Serial.println("Suhu       : " + String(temp) + " C");
    Serial.println("Kelembaban : " + String(hum) + " %");
    Serial.println("--------------");

    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void setup() {
  Serial.begin(9600);
  Serial.flush();
  pinMode(ldrPin, INPUT);
  pinMode(DHT_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(relayPin, OUTPUT);
  pinMode(relay2Pin, OUTPUT); // Pin relay baru
  mySensor.initFC28Sensor(115200, SensorFC28_Pin);

  Wire.begin();
  if (!rtc.begin()) {
    Serial.println("RTC Not Connected");
    lcd.setCursor(0, 0);
    lcd.print("RTC Not Connect");
    while (1);
  }

  Serial.println("Smart Farming System");
  dht.begin();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("WELCOME");
  lcd.setCursor(0, 1);
  lcd.print("SMART FARMING");
  lcd.setCursor(0, 2);
  lcd.print("MONITORING SYSTEM");
  lcd.setCursor(0, 3);
  lcd.print("TI-3B");
  delay(2000);
  lcd.clear();

  xTaskCreatePinnedToCore(lcdDisplay, "lcdDisplay", 2048, NULL, 1, NULL, 0);
  xTaskCreatePinnedToCore(readRTC, "readRTC", 2048, NULL, 1, NULL, 1);
  xTaskCreatePinnedToCore(readDHT, "readDHT", 2048, NULL, 1, NULL, 1);
  xTaskCreatePinnedToCore(readLDR, "readLDR", 2048, NULL, 1, NULL, 1);
  xTaskCreatePinnedToCore(readSoilMoisture, "readSoilMoisture", 2048, NULL, 1, NULL, 1);
}

void loop() {
  
}