#include "DHT.h"
#include <LiquidCrystal.h>
LiquidCrystal lcd(8,3,4,5,6,7);

#define DHTPIN 2     
#define DHTTYPE DHT22  
#define red 11
#define green 10
#define blue 9

 // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  lcd.begin(16,2);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  if (temperature <11){
    RGB_color(255,0,0); //red
    lcd.print("temp is < 11");
    delay(1000);
    lcd.clear();
  }
  else if(temperature < 15){
    RGB_color(255,100,0); //orange
    lcd.print("temp is < 15");
    delay(1000);
    lcd.clear();
  }
  else if(temperature < 20){
    RGB_color(255,255,0); //yellow
    lcd.print("temp is < 20");
    delay(1000);
    lcd.clear();
  }
  else if (temperature < 25){
    RGB_color(0,255,0); //green
    lcd.print("temp is < 25");
    delay(1000);
    lcd.clear();
  }
  else if(temperature<35){
    RGB_color(0,255,255); //cyan
    lcd.print("temp is < 35");
    delay(1000);
    lcd.clear();
  }
  else if(temperature<40){
    RGB_color(0,0,255); //blue
    lcd.print("temp is < 40");
    delay(1000);
    lcd.clear();
  }
  else{
    RGB_color(255,0,255); //purple
    lcd.print("temp is > 40");
    delay(1000);
    lcd.clear();
  }


  if( humidity < 10){
    lcd.print("dry");
     delay(1000);
    lcd.clear();
  }
  else if(humidity < 20){
    lcd.print("not as dry");
     delay(1000);
    lcd.clear();
  }
  else if(humidity <30){
    lcd.print("okay");
     delay(1000);
    lcd.clear();
  }
  else if (humidity < 40){
    lcd.print("damp");
     delay(1000);
    lcd.clear();
  }
  else if (humidity < 50){
    lcd.print("moist");
     delay(1000);
    lcd.clear();
  }
  else if(humidity < 60){
    lcd.print("almost to LA");
     delay(1000);
    lcd.clear();
  }
  else if(humidity < 70){
    lcd.print("florida weather");
     delay(1000);
    lcd.clear();
  }
  else if(humidity < 80){
    lcd.print("wet");
     delay(1000);
    lcd.clear();
  }
  else if(humidity < 90){
    lcd.print("louisiana weather");
     delay(1000);
    lcd.clear();
  }
  else{
    lcd.print("raining");
     delay(1000);
    lcd.clear();
  }

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));
  // Wait a few seconds between measurements.
  delay(3000);
}
void RGB_color(int red_light_value, int green_light_value, int blue_light_value){
  analogWrite(red,255-red_light_value);
  analogWrite(green,255-green_light_value);
  analogWrite(blue, 255- blue_light_value);
}