#include <ArduinoJson.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include "DHT.h"

#define DHTPIN1 27
#define DHTPIN2 26
#define DHTPIN3 25
#define DHTPIN4 33
#define DHTPIN5 17
#define DHTTYPE DHT22

DHT dht1(DHTPIN1, DHTTYPE);
DHT dht2(DHTPIN2, DHTTYPE);
DHT dht3(DHTPIN3, DHTTYPE);
DHT dht4(DHTPIN4, DHTTYPE);
DHT dht5(DHTPIN5, DHTTYPE);

#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

float avg=0;
const int r =12;
const int g =13;
const int b =14;
const int buzz= 21;

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHTxx test!"));
  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(r, OUTPUT);
  pinMode(buzz, OUTPUT);

  dht1.begin();
  dht2.begin();
  dht3.begin();
  dht4.begin();
  dht5.begin();

  tft.begin();
  tft.setRotation(0);

 
}

void loop() {
  
  float t1 = dht1.readTemperature();
  float t3 = dht3.readTemperature();
  float t4 = dht4.readTemperature();
  float t5 = dht5.readTemperature();
  float t2 = dht2.readTemperature();

  avg= (t1+t2+t3+t4+t5)/5.00;
  Serial.println("Average : ");
  Serial.print(avg);
  Serial.println("");
  
if (isnan(t1) || isnan(t2) || isnan(t3)|| isnan(t4)|| isnan(t5)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  } else if(t1>40 || t2>40 || t3>40 || t4>40 || t5>40){

    tft.fillScreen(ILI9341_WHITE);
    tft.setCursor(0, 0);
    tft.setTextColor(ILI9341_RED);
    tft.setTextSize(4);
    tft.print("Emergency-Fire Alert");
    
    tone(buzz,250);

    digitalWrite(r, HIGH);
    digitalWrite(g, LOW);
    digitalWrite(b, LOW);
    delay(1000);

  }else if ((avg>=0.00)&&(avg<=20.00)){
    tft.fillScreen(ILI9341_WHITE);
    tft.setTextColor(ILI9341_GREEN);
    tft.setTextSize(3);
    tft.setCursor(0,0);
    tft.println(" ");
    tft.print(" ");
    tft.println("  Amidious");
    tft.println(" ");
    tft.println(" Temperature:");
    
    tone(buzz,0);
    digitalWrite(r, LOW);
    digitalWrite(g, HIGH);
    digitalWrite(b, LOW);
    delay(1000);
  }else if(avg<0.00){
    tft.fillScreen(ILI9341_WHITE);
    tft.setTextColor(ILI9341_BLUE);
    tft.setTextSize(3);
    tft.setCursor(0,0);
    tft.println(" ");
    tft.print(" ");
    tft.print("  Cold  ");
    tone(buzz,0);
    digitalWrite(r, LOW);
    digitalWrite(g, LOW);
    digitalWrite(b, HIGH);
    delay(1000);
  }else{
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(3);
  tft.setCursor(0,1);
  tft.println(" ");
  tft.println(" ");
  tft.println(" Fire_Alarm_");
  tft.println(" ");
  tft.println("   System");
  tone(buzz,0);
  digitalWrite(r, LOW);
  digitalWrite(g, LOW);
  digitalWrite(b, LOW);
  delay(1000);

}
}