#include <SPI.h>
#include "Ucglib.h"
#include <RTClib.h>
#include <Wire.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 displayAnalogClock() {
  DateTime now = rtc.now();

  // Set clock center and radius
  int centerX = ucg.getWidth() / 2;
  int centerY = ucg.getHeight() / 2;
  int radius = 100;

  // Draw clock face
  ucg.setColor(255, 255, 255);
  ucg.drawCircle(centerX, centerY, radius, UCG_DRAW_ALL);

  // Draw clock hands
  drawClockHand(centerX, centerY, radius * 0.6, now.hour() % 12, 12, 6);
  drawClockHand(centerX, centerY, radius * 0.8, now.minute(), 60, 3);
  drawClockHand(centerX, centerY, radius * 0.9, now.second(), 60, 1);
}

void drawClockHand(int centerX, int centerY, int length, int value, int range, int thickness) {
  float angle = map(value, 0, range, 0, 360) - 90; // Map the value to an angle (subtract 90 to start from 12 o'clock)
  angle = radians(angle); // Convert angle to radians

  int xEnd = centerX + length * cos(angle);
  int yEnd = centerY + length * sin(angle);

  ucg.setColor(255, 255, 255);
  ucg.drawLine(centerX, centerY, xEnd, yEnd);
}

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, 0, 0);

  // 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("GraphicsTest");

  // Set text color to yellow
  ucg.setColor(255, 2500, 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 analog clock
  displayAnalogClock();

  // Delay for 1000 milliseconds (1 second)
  delay(1000);

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