#include <WiFi.h>
#include <Wire.h>
#include <SPI.h>
#include <RTClib.h>
#include <GyverBME280.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>

#define TFT_CS   15
#define TFT_DC   10
#define TFT_RST  2
#define RAIN_DIGITAL_PIN  37
#define RAIN_ANALOG_PIN   36

SPIClass spi;
Adafruit_ST7789 tft = Adafruit_ST7789(&spi, TFT_CS, TFT_DC, TFT_RST);

RTC_DS3231 rtc;
GyverBME280 bme;
#define SADD 0x11

const char* ssid = "Wokwi-GUEST";
const char* password = "";
// Kolory
#define BLACK    0x0000
#define WHITE    0xFFFF
#define BLUE     0x001F

void setup() {
  Serial.begin(115200);
  Wire.begin(8, 9);

  spi.begin(13, -1, 12, TFT_CS);
  tft.init(240, 240);
  tft.setRotation(2);
  tft.fillScreen(BLACK);

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(300);
    Serial.print(".");
  }
  Serial.println("\nWiFi connected");

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }
  if (rtc.lostPower()) {
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  if (!bme.begin()) {
    Serial.println("BME280 not found!");
    while (1);
  }
  pinMode(RAIN_DIGITAL_PIN, INPUT);
  pinMode(RAIN_ANALOG_PIN, INPUT);
  tft.setTextColor(WHITE, BLACK);
  tft.setTextSize(2);

  // Stałe etykiety
  tft.setCursor(10, 30); tft.print("Time: ");
  tft.setCursor(10, 60); tft.print("Temp: ");
  tft.setCursor(10, 90); tft.print("Hum: ");
  tft.setCursor(10, 120); tft.print("Pres: ");
  tft.setCursor(10, 150); tft.print("Rain: ");
  tft.setCursor(10, 180); tft.print("IP: ");
}

void loop() {
  DateTime now = rtc.now();
  float temp = bme.readTemperature();
  float hum = bme.readHumidity();
  float pres = bme.readPressure() / 100.0; // hPa
  int digitalValue = digitalRead(RAIN_DIGITAL_PIN);
  int analogValueRaw = analogRead(RAIN_ANALOG_PIN);
  float analogValueScaled = analogValueRaw / 4095.0 * 1023.0;  // skalowanie do 0-1023
  Wire.requestFrom(SADD, 1);
  if (Wire.available()) {
    // Read the data
    byte data = Wire.read();
    // Process the data (for example, print it)
    Serial.print("Oxygen Saturation is: ");
    Serial.print(data);
    Serial.println("%");
  }
  // Ustaw kursor przy każdej wartości i nadpisz tekst
  tft.setCursor(80, 30);
  printTime(now);

  tft.setCursor(80, 60);
  tft.print(temp, 1);
  tft.print(" C");

  tft.setCursor(80, 90);
  tft.print(hum, 1);
  tft.print(" %");

  tft.setCursor(80, 120);
  tft.print(pres, 1);
  tft.print(" hPa");

  tft.setCursor(80, 150);
  tft.print(analogValueScaled, 1);

  tft.setCursor(10, 170);
  tft.setTextColor(BLUE);
  tft.setTextSize(2);

  if (analogValueRaw > 700) {
    Serial.println("Rain: Light");
  } else if (analogValueRaw > 400) {
    Serial.println("Rain: Moderate");
  } else {
    Serial.println("Rain: Heavy");
  }
  tft.setCursor(80, 150);
  tft.print(analogValueRaw);

  delay(500);
}

void printTime(DateTime now) {
  if (now.hour() < 10)
    tft.print("0");
  tft.print(now.hour());
  tft.print(":");
  if (now.minute() < 10)
    tft.print("0");
  tft.print(now.minute());
  tft.print(":");
  if (now.second() < 10)
    tft.print("0");
  tft.print(now.second());
}