/* 
    Why the heart icon? Because I thought it was cool
    and I want to use it in the future with some heartbeat sensor.
    I needed to keep it somewhere and it was here. ;)
 */

//#include <dht.h>
#include <TinyWireM.h>
#include <Tiny4kOLED.h>
#include <TinyRTClib.h>


RTC_DS1307 rtc;
#define LED_PIN PB1

//#define DHT22_PIN PB1

const unsigned char  img_heart_small[] PROGMEM = {
  0x00, 0x00, 0xc0, 0xe0, 0xe0, 0xe0, 0xc0, 0x80, 0x80, 0x80, 0xc0, 0xe0, 0xe0, 0xe0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 0x00, 0x00
};

const unsigned char  img_heart_big[] PROGMEM = {
  0xe0, 0xf0, 0xf8, 0xf8, 0xf8, 0xf8, 0xf0, 0xe0, 0xe0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf8, 0xf8, 0xf0, 0xe0, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00
};



void splash() {
  oled.clear();
  oled.setCursor(20, 1);
  oled.print(F("TD Timer"));

  oled.setCursor(20, 3);
  oled.print(F("for Light control"));

  oled.setCursor(20, 5);
  oled.print(F("tanvir.daphedar"));

  oled.setCursor(20, 7);
  oled.print(F("@gmail.com"));

}

void heartBeat() {
  static char big = 1;
  static long startTime = 0;
  long currentTime;

  // Get current time
  currentTime = millis();

  // Update if 200ms passed
  if ((currentTime - startTime) > 200) {
    startTime = currentTime;
    big = 1 - big;

    if (big) {
      oled.bitmap(20, 4, 37, 6, img_heart_big);
    } else {
      oled.bitmap(20, 4, 37, 6, img_heart_small);
    }
  }
}

void prepareDisplay() {
  unsigned int i, k;
  unsigned char ch[5];

  oled.clear();
  oled.begin();

  oled.setCursor(01, 1);
  oled.print(F("Automatic light ctrl"));
  
  //oled.print(F("temperature|humidity"));
 

 // oled.setCursor(57, 4);
 // oled.print(F("24.0C"));
 // oled.setCursor(57, 5);
 // oled.print(F("40.0%"));

  oled.bitmap(10, 5, 17, 2, img_heart_small);
}

//float getTemperature() {
//  return DHT.temperature;
//}

//float getHumidity() {
//  return DHT.humidity;
//}

void setup() {
 // pinMode(DHT22_PIN, INPUT);
  
  pinMode(LED_PIN, OUTPUT);

  oled.begin(128, 64, sizeof(tiny4koled_init_128x64br), tiny4koled_init_128x64br);

  // Two fonts are supplied with this library, FONT8X16 and FONT6X8
  oled.setFont(FONT6X8);

  // To clear all the memory
  oled.clear();
  oled.on();

  splash();
  delay(3000);
  prepareDisplay();

  oled.setCursor(57, 4);  
  oled.print("        "); 
  digitalWrite(LED_PIN, LOW); 
  oled.setCursor(57, 5);  
  oled.print("Light OFF");


}

void loop() {

  DateTime now = rtc.now();
  oled.setCursor(3, 2);
  
    oled.print(now.year(), DEC);
    oled.print('/');
    oled.print(now.month(), DEC);
    oled.print('/');
    oled.print(now.day(), DEC);
    oled.print(' ');
    oled.print(now.hour(), DEC);
    oled.print(':');
    oled.print(now.minute(), DEC);
    oled.print(':');
    oled.print(now.second(), DEC);
    oled.print(" - ");

  static long startTime = 0;
  long currentTime;



  // Get current time
  currentTime = millis();

  // Checks 1 second passed
  if ((currentTime - startTime) > 1000) {
    startTime = currentTime;

if (now.hour() == 11 && now.minute() == 44 && now.second() == 50)
{oled.setCursor(57, 5);  oled.print("         "); digitalWrite(LED_PIN, HIGH); oled.setCursor(57, 4);  oled.print("Light ON");}

if (now.hour() == 11 && now.minute() == 45 && now.second() == 10)
{oled.setCursor(57, 4);  oled.print("        "); digitalWrite(LED_PIN, LOW); oled.setCursor(57, 5);  oled.print("Light OFF");}

    // Update temperature
    //float temperature = getTemperature();

    // Set cursor
    

    // Print to display
    //oled.print(temperature, 1);


    
  }

  heartBeat();
}