#include <WiFi.h>
#include <HTTPClient.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

#define TFT_CS    15//0
#define TFT_DC    2
#define TFT_MOSI  14
#define TFT_SCK   12
#define TFT_RST   13

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCK, TFT_RST);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  tft.begin();
  tft.setRotation(2);

  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.fillScreen(ILI9341_BLACK);
  tft.setCursor(0, 0);
  //testRects(ILI9341_GREEN);
  backgroundFloor(ILI9341_GREEN);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(30,30);
  tft.print("25C");
  tft.setCursor(30,60);
  tft.print("20%");
}

void backgroundFloor(uint16_t color)
{
  /*tft.drawPixel(0,0, ILI9341_WHITE);
  tft.drawPixel(0,237, ILI9341_RED);
  tft.drawPixel(300,0, ILI9341_YELLOW);
  tft.drawPixel(300, 237, ILI9341_GREEN);*/

  tft.drawRect(4, 0, 232, 300, color); //x1,y1,x2,y2
  tft.drawLine(4, 100, 100, 100, color);
  tft.drawLine(4, 200,  234, 200, color);
  tft.drawLine(135, 160,  234, 160, color);
  tft.drawLine(135, 115, 234, 115, color);
  tft.drawLine(135, 60, 234, 60, color);

  tft.drawLine(100, 0, 100, 200, color);
  tft.drawLine(135, 0, 135, 115, color);
  tft.drawLine(145, 160, 145, 200, color);
}

unsigned long testRects(uint16_t color) {
  unsigned long start;
  int           n, i, i2,
                cx = tft.width()  / 2,
                cy = tft.height() / 2;

  tft.fillScreen(ILI9341_BLACK);
  n     = min(tft.width(), tft.height());
  start = micros();
  for(i=2; i<n; i+=6) {
    i2 = i / 2;
    tft.drawRect(cx-i2, cy-i2, i, i, color);
  }

  return micros() - start;
}