#include <SPI.h>
#include "Ucglib.h"
#include <RTClib.h>

RTC_DS3231 rtc;

// Define the pins for the ILI9486 TFT display
Ucglib_ILI9486_18x320x480_SWSPI ucg(/*sclk=*/ 13, /*data=*/ 11, /*cd=*/ 9, /*cs=*/ 10, /*reset=*/ 8);

void setup() {
  // Initialize communication with the TFT display
  ucg.begin(UCG_FONT_MODE_SOLID);

  // Set rotation of the display (optional, adjust as needed)
  // ucg.setRotate(90);

  // Clear the screen
  ucg.clearScreen();

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

  // Check if the RTC lost power and if so, set the time
  if (rtc.lostPower()) {
    Serial.println("RTC lost power, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}

void displayCurrentTime() {
  DateTime now = rtc.now();
  
  // Set text color to yellow
  ucg.setColor(255, 255, 255);

  // Set font size for double-sized digits
  ucg.setFontMode(UCG_FONT_MODE_TRANSPARENT);
  ucg.setFont(ucg_font_helvR24_tr);

  // Print the current time with double-sized digits
  int xPos = 20;  // Adjust the X position as needed
  int yPos = 100; // Adjust the Y position as needed
  int fontSize = 2; // Double-sized digits
  ucg.setFont(ucg_font_helvR24_tr); // Set the font again (just to be sure)

  // Hour
  ucg.setPrintPos(xPos, yPos);
  ucg.setFont(ucg_font_helvR24_tr); // Set the font again (just to be sure)
  ucg.setPrintPos(xPos, yPos);
  ucg.setFontMode(UCG_FONT_MODE_TRANSPARENT);
  ucg.setFont(ucg_font_helvR24_tr);
  ucg.setFontPosBottom();
  //ucg.setFontPosBottom
  ucg.setScale2x2();
  ucg.print(now.hour(), DEC);
  
  // Minute
  xPos += ucg.getStrWidth("00:"); // Adjust the X position based on the width of the hour
  ucg.setPrintPos(xPos, yPos);
  ucg.print(":");
  ucg.setPrintPos(xPos + ucg.getStrWidth(":"), yPos);
  ucg.print(now.minute(), DEC);
  
  // Second
  xPos += ucg.getStrWidth("00:"); // Adjust the X position based on the width of the minute
  ucg.setPrintPos(xPos, yPos);
  ucg.print(":");
  ucg.setPrintPos(xPos + ucg.getStrWidth(":"), yPos);
  ucg.print(now.second(), DEC);

  // Reset font size and position
  ucg.setFontMode(UCG_FONT_MODE_SOLID);
  ucg.setScale2x2();
}

void ucglib_graphics_test(void) {
  // Set background gradient colors
  ucg.setColor(0, 0, 40, 80);
  ucg.setColor(1, 80, 0, 40);
  ucg.setColor(2, 255, 0, 255);
  ucg.setColor(3, 0, 255, 255);

  // Draw a gradient box
  ucg.drawGradientBox(0, 0, ucg.getWidth(), ucg.getHeight());

  // Set text color
  ucg.setColor(255, 0, 0);

  // Print text on the screen
  ucg.setColor(255, 160, 0);
  ucg.setPrintDir(0);
  ucg.setPrintPos(2, 50);
  ucg.setColor(55, 160, 0);
  ucg.print("Ucglib");
  
  ucg.setColor(255, 255, 255);
  ucg.setPrintPos(2, 150 + 20);
  ucg.print("GraphTest");

  // Set text color to white
  ucg.setColor(255, 250, 250);
  ucg.setPrintPos(20, 50);
  ucg.setPrintPos(2, 250 + 20);
  ucg.print("code by ARVIND");
}

void loop() {
  // Run the graphics test function
  ucglib_graphics_test();

  // Display the current time
  displayCurrentTime();

  // Delay for 5 seconds before restarting
  delay(5000);

  // Clear the screen for the next iteration
  ucg.clearScreen();
}