#include <IRremote.hpp>
#include <dht11.h>

const int soilSensorPin = A0;

int fanPin1 = 2;
int fanPin2 = 3;
int dht11Pin = 4;
int irReceiverPin = 5;
int humidifierPin = 6;
int humidifierSwitchPin = 7;
int soilPumpPin = 8;

int humPinOn = 0;

dht11 DHT11;

void setup() {
  pinMode(fanPin1, OUTPUT);
  pinMode(fanPin2, OUTPUT);
  pinMode(humidifierPin, OUTPUT);
  pinMode(humidifierSwitchPin, OUTPUT);
  pinMode(soilPumpPin, OUTPUT);

  IrReceiver.begin(irReceiverPin, ENABLE_LED_FEEDBACK);

  Serial.begin(9600);
}

volatile float humidity;
volatile float temperature;

float tempratureThreshold = 26;
float humidityThreshold = 35;
float soilMoistureThreshold = 100;


void loop() {


  // digitalWrite(fanPin1, HIGH);
  // delay(5000);
  // digitalWrite(fanPin1, LOW);


  int chk = DHT11.read(dht11Pin);
  humidity = (float)DHT11.humidity;
  temperature = (float)DHT11.temperature;



  if (IrReceiver.decode()) {
    switch (IrReceiver.decodedIRData.command) {
      case 12:
        {
          Serial.println("Pressed 1; Increase temperature threshold");
          tempratureThreshold++;
          Serial.print("Temperature threshold(C): ");
          Serial.println(tempratureThreshold);

          break;
        }
      case 24:
        {
          Serial.println("Pressed 2; Increase humidity threshold");
          humidityThreshold++;
          Serial.print("Humidity threshold(C): ");
          Serial.println(humidityThreshold);
          break;
        }
      case 94:
        {
          Serial.println("Pressed 3; Increase soil moisture threshold");
          break;
        }

      case 8:
        {
          Serial.println("Pressed 4; Decrease temperature threshold");
          tempratureThreshold--;
          Serial.print("Temperature threshold(C): ");
          Serial.println(tempratureThreshold);
          break;
        }

      case 28:
        {
          Serial.println("Pressed 5; Decrease humidity threshold");
          humidityThreshold--;
          Serial.print("Humidity threshold(C): ");
          Serial.println(humidityThreshold);
          break;
        }

      case 90:
        {
          Serial.println("Pressed 6; Decrease soil moisture threshold");
          break;
        }
    }
    delay(100);

    IrReceiver.resume();
  }


  if (Serial.available() > 0) {
    for (int x = 0; x < 4; x++) {
      switch (x) {
        case 0:
          tempratureThreshold = Serial.parseFloat();
          Serial.print("Temperature threshold set to ");
          Serial.println(tempratureThreshold);
          break;
        case 1:
          humidityThreshold = Serial.parseFloat();
          Serial.print("Humidity threshold set to ");
          Serial.println(humidityThreshold);
          break;
        case 2:
          soilMoistureThreshold = Serial.parseFloat();
          Serial.print("Soil Moisture threshold set to ");
          Serial.println(soilMoistureThreshold);
          break;
      }
    }
    while (Serial.available() > 0) {
      char t = Serial.read();
    }
  }

  if (temperature > tempratureThreshold) {
    digitalWrite(fanPin1, HIGH);
    digitalWrite(fanPin2, HIGH);
    Serial.println("Fan             ✔");
    Serial.println("------------------------------------");


  } else {
    digitalWrite(fanPin1, LOW);
    digitalWrite(fanPin2, LOW);
    Serial.println("Fan             ✘");
    Serial.println("------------------------------------");
  }




  if (humidity < humidityThreshold) {
    digitalWrite(humidifierPin, HIGH);
    Serial.println("Humidier        ✔");
    Serial.println("------------------------------------");

    delay(100);
    if (humPinOn == 0) {
      Serial.println("Toggle humifider switch on.");
      digitalWrite(humidifierSwitchPin, HIGH);
      delay(1000);
      digitalWrite(humidifierSwitchPin, LOW);
      humPinOn = 1;
    }
  } else {
    digitalWrite(humidifierPin, LOW);
    humPinOn = 0;
    Serial.println("Humidier        ✘");
    Serial.println("------------------------------------");
  }
  // delay(5000);

  int soilMoisture = analogRead(soilSensorPin);

  Serial.print("Temperature:    ");
  Serial.println(temperature, 2);
  Serial.println("------------------------------------");
  Serial.print("Humidity:       ");
  Serial.println(humidity, 2);
  Serial.println("------------------------------------");
  Serial.print("Soil Moisture:  ");
  Serial.println(soilMoisture);
  Serial.println("------------------------------------");

  if (soilMoisture < soilMoistureThreshold) {
    digitalWrite(soilPumpPin, HIGH);
    Serial.println("Pump            ✔");

    Serial.println("------------------------------------");

  } else {
    digitalWrite(soilPumpPin, LOW);
    Serial.println("Pump            ✘");
    Serial.println("------------------------------------");
  }



  delay(2000);
}