#include <SimpleDHT.h>


const int photoPin = A0;
const int pinBlue= 9;
const int pinRed =10;
const int pinGreen = 11;
const int pinButton = 2;
int photoVal = 0;
int lightVal = 0;
unsigned long timeVal;
int minimum = 5000;
int maximum = -5000;
int newButton = 0;
int lastButton = 0;
int pinDHT11 = 2;
SimpleDHT11 dht11;


void setup()
{
  Serial.begin (9600);
  pinMode (pinButton, INPUT);
  pinMode (photoPin, INPUT);
  pinMode (pinBlue, OUTPUT);
  pinMode (pinGreen, OUTPUT);
  pinMode (pinRed, OUTPUT);
  analogWrite (pinBlue, 255);
  analogWrite (pinRed, 0);
  analogWrite (pinGreen, 0);
  delay (500);
  analogWrite (pinBlue, 0);
  analogWrite (pinRed, 255);
  analogWrite (pinGreen, 0);
  delay (500);
  analogWrite (pinBlue, 0);
  analogWrite (pinRed, 0);
  analogWrite (pinGreen, 255);
  delay (500);
  analogWrite (pinBlue, 0);
  analogWrite (pinRed, 0);
  analogWrite (pinGreen, 0);
}

void calibrate()
{
  minimum = 1000;
  maximum = 0;
  digitalWrite (pinGreen, HIGH);
  timeVal = millis();
  while (millis() - timeVal < 5000)
  {
    photoVal = analogRead (pinButton);
    if (photoVal > maximum)
    {
      maximum = photoVal;
    }
    else if (photoVal < minimum)
    {
      minimum = photoVal;
    }
  }
  digitalWrite (pinGreen, LOW);
  Serial.println (minimum);
  Serial.println (maximum);
}

void loop() {
  newButton = digitalRead (pinButton);
  //Serial.print (newButton);
  if (newButton == HIGH && lastButton == LOW)
  {
    calibrate ();
  }

  lastButton = newButton;
  byte temperature = 0;
  byte humidity = 0;
  dht11.read(pinDHT11, &temperature, &humidity, NULL);
  Serial.print("Sample OK: ");
  Serial.print((int)temperature); Serial.print(" *C, ");
  Serial.print((int)humidity); Serial.println(" %");

    if (humidity > 85)
  {
    digitalWrite (pinRed, HIGH);
  }
}


boolean debounce(boolean last)
{
  boolean current = digitalRead(photoPin);
  if (last != current)
  {
    delay(5);
    current = digitalRead(pinButton);
  }
  return current;
}