#include <Adafruit_GFX.h>    // Core graphics library
#include <SPI.h>       // this is needed for display
#include <Adafruit_ILI9341.h>
#include <Arduino.h>      // this is needed for FT6206
#include <Adafruit_FT6206.h>

// The FT6206 uses hardware I2C (SCL/SDA)
Adafruit_FT6206 ctp = Adafruit_FT6206();

// // The display also uses hardware SPI, plus #9 & #10
// #define TFT_CS 10
// #define TFT_DC 9
#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
 int  hour = 12;         // Initial hour valu
  int minute = 30;       // Initial minute value
 int savedHour = 12;    // To save the adjusted hour
 int savedMinute = 30;  // To save the adjusted minute
// Size of the color selection boxes and the paintbrush size


void setup(void) {
  //while (!Serial);     // used for leonardo debugging

  Serial.begin(115200);
  Serial.println(F("Cap Touch Paint!"));
  
  Wire.setPins(10, 8); // redefine first I2C port to be on pins 10/8
  tft.begin();

  if (! ctp.begin(40)) {  // pass in 'sensitivity' coefficient
    Serial.println("Couldn't start FT6206 touchscreen controller");
    while (1);
  }

  Serial.println("Capacitive touchscreen started");
  
  //tft.fillScreen(ILI9341_BLACK);
 // drawTimeScreen();
  drawSettingsIcon(100, 120, 30, ILI9341_BLUE);
}
void hourAdjust(){

  TS_Point p = ctp.getPoint();
    int x = 240 - p.x;
    int y = 320 - p.y;

   if (x > 50 && x < 100 && y > 100 && y < 150) {  // Hour "+"
      hour = hour + 1;
     
      if (hour > 23) {
      hour = 0;  // Wrap around to 0 after 23
     // drawTimeScreen();
    } 
   }
    if (x > 150 && x < 200 && y > 100 && y < 150) {  // Hour "-"
      hour = hour - 1;
    
      if (hour < 0){ 
        hour = 23;  // Wrap around to 23 after 0
     // drawTimeScreen();
    }
}
/*tft.setCursor(25, 20);
 tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(hour);*/
 // drawTimeScreen();
   tft.setCursor(20, 20);
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print("Time: ");
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
    if (hour < 10){
   tft.print("0");  // Add leading zero to minutes
}
  tft.print(hour, DEC);

    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(":");
    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  if (minute < 10){
   tft.print("0");  // Add leading zero to minutes
}  tft.print(minute, DEC);
}
void minuteAdjust (){

  TS_Point p = ctp.getPoint();
    int xm = 240 - p.x;
    int ym = 320 - p.y; 

   if (xm > 50 && xm < 100 && ym > 200 && ym < 250) {  // Minute "+"
   
      minute = minute + 1;
     
      if (minute > 59) {
        minute = 0;  // Wrap around to 0 after 59
     // drawTimeScreen();
    }
    }
     if (xm > 150 && xm < 200 && ym > 200 && ym < 250) {  // Minute "-"
     
      minute = minute - 1;
    
      if (minute < 0){ 
        minute = 59;  // Wrap around to 59 after 0
     // drawTimeScreen();
    } 
    }
     tft.setCursor(20, 20);
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print("Time: ");
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
    if (hour < 10){
   tft.print("0");  // Add leading zero to minutes
}
  tft.print(hour, DEC);

    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(":");
    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  if (minute < 10){
   tft.print("0");  // Add leading zero to minutes
}  tft.print(minute, DEC);
}
void drawTimeScreen() {
  // Clear the screen area
 /* TS_Point p = ctp.getPoint();
    int x = 240 - p.x;
    int y = 320 - p.y;*/
  tft.fillRect(0, 0, 240, 320, ILI9341_BLACK);

  // Draw hour adjustment buttons
  tft.fillRect(50, 100, 50, 50, ILI9341_BLUE);  // Hour "+"
  tft.setCursor(65, 115);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("+");

  tft.fillRect(150, 100, 50, 50, ILI9341_BLUE);  // Hour "-"
  tft.setCursor(165, 115);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("-");

  // Draw minute adjustment buttons
  tft.fillRect(50, 200, 50, 50, ILI9341_BLUE);  // Minute "+"
  tft.setCursor(65, 215);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("+");

  tft.fillRect(150, 200, 50, 50, ILI9341_BLUE);  // Minute "-"
  tft.setCursor(165, 215);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("-");

  // Draw OK button
  tft.fillRect(100, 270, 60, 50, ILI9341_GREEN);  // OK
  tft.setCursor(115, 285);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("OK");

  // Display current hour and minute
 /* tft.setCursor(20, 20);
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print("Time: ");
  tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(hour);

    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(":");
    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  if (minute < 10) tft.print("0");  // Add leading zero to minutes
  tft.print(minute);*/
/*

     if (x > 50 && x < 100 && y > 100 && y < 150) {  // Hour "+"
      hour++;
      if (hour > 23) hour = 0;  // Wrap around to 0 after 23
     // drawTimeScreen();
    } 
    else if (x > 150 && x < 200 && y > 100 && y < 150) {  // Hour "-"
      hour--;
      if (hour < 0) hour = 23;  // Wrap around to 23 after 0
     // drawTimeScreen();
    }
    else if (x > 50 && x < 100 && y > 200 && y < 250) {  // Minute "+"
      minute++;
      if (minute > 59) minute = 0;  // Wrap around to 0 after 59
      //drawTimeScreen();
    }
    else if (x > 150 && x < 200 && y > 200 && y < 250) {  // Minute "-"
      minute--;
      if (minute < 0) minute = 59;  // Wrap around to 59 after 0
      //drawTimeScreen();
    }
    else if (x > 100 && x < 180 && y > 300 && y < 350) {  // OK button
      saveTime();
    }*/
}

void saveTime() {
  // Save the hour and minute adjustments
  savedHour = hour;
  savedMinute = minute;

  // Display a confirmation message
 // tft.fillScreen(ILI9341_BLACK);
  tft.setCursor(70, 100);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Time Saved!");

  tft.setCursor(60, 150);
   tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(savedHour);
   tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(":");

  if (savedMinute < 10) tft.print("0");  // Add leading zero
   tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
  tft.setTextSize(3);
  tft.print(savedMinute);

  //delay(2000);  // Display saved message for 2 seconds
  //drawTimeScreen();  // Go back to the adjustment screen
}

void drawSettingsIcon(int x, int y, int radius, uint16_t color) {
 // Main gear circle
  tft.fillCircle(x, y, radius, color);

  // Draw rectangular gear teeth around the main circle
  int numTeeth = 8;             // Number of gear teeth
  int toothLength = 10;         // Length of each tooth
  int toothWidth = 6;           // Width of each tooth

  for (int i = 0; i < numTeeth; i++) {
    float angle = i * (360.0 / numTeeth);
    float angleRad = radians(angle);

    // Calculate position for each tooth rectangle
    int xOffset = cos(angleRad) * (radius + toothLength / 2);
    int yOffset = sin(angleRad) * (radius + toothLength / 2);

    // Calculate the rotated position of each rectangle's corners
    int rectX = x + xOffset;
    int rectY = y + yOffset;
    
    // Rotate each tooth by its angle around the gear center
    int rectWidth = toothWidth;
    int rectHeight = toothLength;
    int x1 = rectX - (rectWidth / 2);
    int y1 = rectY - (rectHeight / 2);
    int x2 = x1 + cos(angleRad) * rectHeight;
    int y2 = y1 + sin(angleRad) * rectHeight;
    
    // Draw each rectangle at calculated position
    tft.fillRect(x1, y1, rectWidth, rectHeight, color);
  }

  // Hollow out the center of the gear
  tft.fillCircle(x, y, radius / 2, ILI9341_BLACK);
/*
  // Draw the wrench
  int wrenchLength = 40;
  int wrenchWidth = 8;

  // Wrench handle (rectangle)
  tft.fillRect(x + 15, y + 10, wrenchLength, wrenchWidth, color);

  // Wrench head (semi-circle)
  tft.fillCircle(x + 15 + wrenchLength, y + 10 + (wrenchWidth / 2), wrenchWidth, color);
  tft.fillRect(x + 15 + wrenchLength, y + 10, wrenchWidth, wrenchWidth, ILI9341_BLACK);*/
}


void loop() {
 // delay(10);
  // Wait for a touch
  if (! ctp.touched()) {
    return;
  }
//hourAdjust();
//minuteAdjust();
//drawMenu();
  // Retrieve a point  

   /* int x = 240 - p.x;
    int y = 320 - p.y;*/
//drawTimeScreen();

 /*
  // Print out raw data from screen touch controller
  Serial.print("X = "); Serial.print(p.x);
  Serial.print("\tY = "); Serial.print(p.y);
  Serial.print(" -> ");
 */

  // flip it around to match the screen.
 /* p.x = map(p.x, 0, 240, 240, 0);
  p.y = map(p.y, 0, 320, 320, 0);

  // Print out the remapped (rotated) coordinates
 /* Serial.print("("); Serial.print(p.x);
  Serial.print(", "); Serial.print(p.y);
  Serial.println(")");*/
  /*

   TS_Point p = ctp.getPoint();
    int x = 240 - p.x;
    int y = 320 - p.y;

   if (x > 50 && x < 100 && y > 100 && y < 150) {  // Hour "+"
      hour++;
      if (hour > 23) {
      hour = 0;  // Wrap around to 0 after 23
     // drawTimeScreen();
    } 
   }
    else if (x > 150 && x < 200 && y > 100 && y < 150) {  // Hour "-"
      hour--;
      if (hour < 0){ hour = 23;  // Wrap around to 23 after 0
     // drawTimeScreen();
    }
}
    else if (x > 50 && x < 100 && y > 200 && y < 250) {  // Minute "+"
      minute++;
      if (minute > 59) {
        minute = 0;  // Wrap around to 0 after 59
     // drawTimeScreen();
    }
    }
    else if (x > 150 && x < 200 && y > 200 && y < 250) {  // Minute "-"
      minute--;
      if (minute < 0){ minute = 59;  // Wrap around to 59 after 0
     // drawTimeScreen();
    }
    }
    else if (x > 100 && x < 180 && y > 300 && y < 350) {  // OK button
      saveTime();
    }*/
  }