/*
  Simple "Hello World" for ILI9341 LCD

  https://wokwi.com/arduino/projects/308024602434470466
*/

#include <WiFi.h>
#include "SPI.h"
#include "DHT.h"
#include "time.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include <ESP32Servo.h>

#define TFT_DC 21
#define TFT_CS 22
#define DHPIN 2
#define DHTTYPE DHT22

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
DHT dht(DHPIN, DHTTYPE);
Servo myservo;
const char* ssid = "Wokwi-GUEST";

const char* ntpServer = "pool.ntp.org";
const long  gmtOffset_sec = 0;
const int   daylightOffset_sec = 3600; 
const int pinR = 12;
const int pinG = 27;
const int pinB = 14;
int angle = 0;

void setup() {
  struct tm timeinfo;
  dht.begin();
  tft.begin();
  WiFi.begin(ssid);
  tft.setCursor(20, 120);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  while(!getLocalTime(&timeinfo)){
    tft.print("Connecting...");
  }
  WiFi.disconnect(true);
  WiFi.mode(WIFI_OFF);
  myservo.attach(13);
  pinMode(pinR, OUTPUT);
  pinMode(pinG, OUTPUT);
  pinMode(pinB, OUTPUT);
  
}

void setColor(int Rvalue, int Gvalue, int Bvalue){
  analogWrite(pinR, Rvalue);
  analogWrite(pinG, Gvalue);
  analogWrite(pinB, Bvalue);
}

void loop() {
  struct tm timeinfo;
  getLocalTime(&timeinfo);
  tft.fillScreen(ILI9341_BLACK);
  double t = dht.readTemperature();
  double h = dht.readHumidity();
  tft.setCursor(20, 120);
  tft.print("Time: ");
  tft.print(&timeinfo, "%H:%M:%S");
  tft.setCursor(20, 160);
  tft.print("temperature:"+ String(t)+"C");
  tft.setCursor(20, 200);
  tft.print("Humidity:"+ String(h)+"%");
  if(t >= 50){
    setColor(map(t, -40, 80, 0, 255), 0 , 0);
    angle += 60;
    myservo.write(angle);
    if(angle == 180) angle = 0;
  }
  delay(100);
 }