#include <Wire.h>

#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <Adafruit_SSD1306.h>


#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#include <RTClib.h>

#include "DSEG7_Classic_Regular_12.h"
#include "icon.h"


#define TFT_CS     15
#define TFT_RST    4
#define TFT_DC     2
#define TFT_MOSI   23
#define TFT_LED    5
#define TFT_SCK    18
#define TFT_MISO   19

#define DHTPIN     13
#define DHTTYPE DHT22

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);
DHT dht(DHTPIN, DHTTYPE);
RTC_DS1307 rtc;
const int buttonHourPin = 27;
const int buttonMinutePin = 26;
const int buttonSetPin = 25;

int hourValue = 0;
int minuteValue = 0;

//ssd1306
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);




void setup() {
  Serial.begin(115200);
  Wire.begin();
  rtc.begin();

  pinMode(buttonHourPin, INPUT_PULLUP);
  pinMode(buttonMinutePin, INPUT_PULLUP);
  pinMode(buttonSetPin, INPUT_PULLUP);

  Serial.begin(9600);

  while (!Serial) {
    delay(1000);
  }

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

 
  pinMode(TFT_LED, OUTPUT);
  digitalWrite(TFT_LED, HIGH);

  tft.setFont(&DSEG7_Classic_Regular_12);

  tft.begin();
  tft.setRotation(3);
  tft.fillScreen(ILI9341_BLACK);
  dht.begin();

  // ssd1306
  Serial.begin(115200);

  dht.begin();

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(100);
  display.clearDisplay();
  display.setTextColor(WHITE);
  
  delay(1000);
  display.clearDisplay();

}

void loop() {

  //DHT22
  float hm = dht.readHumidity();
  float tm = dht.readTemperature();

  //RTC
  DateTime now = rtc.now();

  char buf[3];
  sprintf(buf, "%02d", now.day()); String currentDay = String(buf);
  sprintf(buf, "%02d", now.month()); String currentMonth = String(buf);
  sprintf(buf, "%02d", now.hour()); String currentHour = String(buf);
  sprintf(buf, "%02d", now.minute()); String currentMinute = String(buf);
  sprintf(buf, "%02d", now.second()); String currentSecond = String(buf);

  String weekdays[] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};
  String currentDate = weekdays[now.dayOfTheWeek()] + ", " + currentDay + "-" + currentMonth + "-" + String(now.year());
  String currentTime = currentHour + ":" + currentMinute + ":" + currentSecond;
  
  int16_t x, y;
  uint16_t w, h;

  //date & time
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(4);
  tft.getTextBounds(currentTime, 0, 0, &x, &y, &w, &h);
  x = (tft.width() - w) / 2;
  tft.setCursor(x, 80); tft.println(currentTime);
  tft.setTextSize(1);
  tft.getTextBounds(currentDate, 0, 0, &x, &y, &w, &h);
  x = (tft.width() - w) / 2;
  tft.setCursor(x, 125); tft.println(currentDate);

  //DHT22
 
  tft.setCursor(30, 220); tft.println(String(tm)); 
  tft.setCursor(190, 220); tft.println(String(hm));
  //tft.setCursor(5, 180); tft.println("Temperature :"); 
  //tft.setCursor(200, 180); tft.println("Humidity :");
  tft.setCursor(90, 220); tft.println(" *C"); 
  tft.setCursor(250, 220); tft.println("  %");

  
  tft.drawBitmap(0, 215, blt_temp, icon_width, icon_height, ILI9341_GREEN);
  tft.drawBitmap(290, 215, blt_humy, icon_width, icon_height, ILI9341_GREEN);
  delay(1000);
  tft.drawBitmap(0, 215, blt_temp, icon_width, icon_height, ILI9341_WHITE);
  tft.drawBitmap(290, 215, blt_humy, icon_width, icon_height, ILI9341_WHITE);
  
  // ssd1306
  delay(100);

  display.invertDisplay(true);
  delay(1000);


  // clear display
  display.clearDisplay();
  
  // display temperature
 
  display.setTextSize(1);
  display.setCursor(50,10);
  display.print(tm); display.print(" C");
 
  // display humidity
  display.setTextSize(1);
  display.setCursor(50, 54);
  display.print(hm); display.print(" %");

  // display time
  display.setTextSize(1);
  display.setCursor(40, 22); display.print(currentTime);
  display.getTextBounds(currentDate, 0, 0, &x, &y, &w, &h);
  x = (display.width() - w) / 2;
  display.setCursor(x, 34); display.print(currentDate);
  

  //symbol
  display.setTextSize(2);
  //display.setCursor(5,28); display.print("T");
  //display.setCursor(116,28); display.print("C");
  display.drawRect(113, 12, 3, 3, WHITE);
  //display.setCursor(5, 48); 
  display.drawBitmap(0, 0, blt_temp, icon_width, icon_height, WHITE);
  display.drawBitmap(102, 38, blt_humy, icon_width, icon_height, WHITE);
  //display.setCursor(114, 48); display.print("%"); 

  display.setTextSize(1);
  display.setCursor(27, 0); display.print("Temperature:"); 
  display.setCursor(35, 42); display.print("Humidity:");
  display.drawLine(0, 32, 31, 32, WHITE);
  display.drawLine(95, 32, 127, 32, WHITE);

  display.display(); 
  delay(1000);
}