#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

// Dummy variable names
const char* dummyT1 = "T1";
const char* dummyT2 = "T2";
const char* dummyT3 = "T3";
const char* dummyT4 = "T4";
const char* Flow = "Flow";

void setup() {
  tft.begin();
  tft.setRotation(3); // Adjust based on your setup
  tft.fillScreen(ILI9341_BLACK); // Clear the screen

  // Draw the pattern
  drawPattern();
}

void loop() {
  // Nothing here
}

void drawPattern() {
  // Set text color and size
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(1);

  // Draw the dummy variables
  tft.setCursor(152, 10); // Position for T2
  tft.println(dummyT2);
  
  tft.setCursor(62, 40); // Position for T3
  tft.println(dummyT3);
  
  tft.setCursor(180, 55); // Position for T4
  tft.println(dummyT4);
  
  tft.setCursor(18, 120); // Position for Flow
  tft.println(Flow);
  
  tft.setCursor(100, 120); // Position for Flow
  tft.println(dummyT1);

  // Draw the pixel pattern
  drawPixelPattern();
  //Additional Info
  drawAdditionalInfo();
  drawFilledLeftArrow(62,68,18,ILI9341_RED);
}

void drawPixelPattern() {
  // Fill the area with the pattern based on the provided layout
  const uint16_t x_offset = 5;  // X offset for centering
  const uint16_t y_offset = 5;  // Y offset for starting position

  // Each '#' will be represented by a filled rectangle
  // The pattern provided in the 220x300 area is represented by '#' and spaces
  
  // Each '#' will be 10 pixels wide and 10 pixels high
  int width = 5;
  int height = 5;
  uint16_t color = ILI9341_RED; // Color for the '#' symbols

  // Correct pattern layout based on your provided example
  const char* pattern[29] = {
      "..........................................",
      "...........######.........................",
      "..........#......#.........................",
      ".........##.....########.................",
      "........#.........#....#.................",
      ".......#...........#...#.................",
      "......###############..#.................",
      ".......#...............#..................",
      ".......#...............#.....############.",
      ".......#...............#.....#..........#.",
      ".......#...............#.....#..........#.",
      ".......#...............#######..........#.",
      ".......#.....................#..........#.",
      ".......#.....................#..........#.",
      ".......#######################..........#.",
      ".........#.........#.........############.",
      ".........#.........#.......................",
      ".........#.........#.......................",
      ".........#.........#.......................",
      ".........#.........#.......................",
      ".........#.........#.......................",
      ".##########.....##########..................",
      ".#........#.....#........#..................",
      ".#........#.....#........#..................",
      ".#........#.....#........#..................",
      ".#........#.....#........#..................",
      ".#........#.....#........#..................",
      ".##########.....##########..................",
      "............................................"
  };

  // Loop through the pattern array to draw it on the screen
  for (int y = 0; y < 29; y++) {
    for (int x = 0; x < 42; x++) { // Adjust the width for the correct number of characters
      if (pattern[y][x] == '#') {
        tft.fillRect(x * width + x_offset, y * height + y_offset, width, height, color);
      }
    }
  }
}
void drawAdditionalInfo() {
  // Set text color and size for additional info
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(1);

  // Draw additional information on the right side of the display
  int x_position = 215; // Adjust the X position for the right side
  int y_position = 75;  // Starting Y position
  
  // Displaying each line of information
  tft.setCursor(x_position, y_position);
  tft.println("Mode: STANDBY ONLY");
  
  tft.setCursor(x_position, y_position + 20); // Next line
  tft.println("dT: -0.5 dec");
  
  tft.setCursor(x_position, y_position + 40); // Next line
  tft.println("Pump: ON");
  
  tft.setCursor(x_position, y_position + 60); // Next line
  tft.println("Energy: 4.07Kw");
  
  tft.setCursor(x_position, y_position + 80); // Next line
  tft.println("\"HC200 V4.03\"");
}
void drawFilledLeftArrow(int x, int y, int size, uint16_t color) {
  // Calculate the vertices of the triangle
  int x1 = x;               // Left tip of the arrow
  int y1 = y + size / 2;   // Middle height
  int x2 = x + size;       // Right point of the arrow
  int y2 = y;              // Top height of the arrow
  int x3 = x + size;       // Right point of the arrow
  int y3 = y + size;       // Bottom height of the arrow

  // Draw the filled triangle (left arrow)
  tft.fillTriangle(x1, y1, x2, y2, x3, y3, color);
}