#include <Adafruit_SSD1306.h>
#include <Wire.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include "DHTesp.h"
#include "secrets.h" // WiFi Configuration (WiFi name and Password)

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
int counter = 0;
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Powered by CoinDesk - https://www.coindesk.com/price/bitcoin
const String url = "http://api.coindesk.com/v1/bpi/currentprice/BTC.json";
const String historyURL = "http://api.coindesk.com/v1/bpi/historical/close.json";
const String cryptoCode = "BTC";

#define CUSTOM_BOOTSCREEN_BMPWIDTH  64

const unsigned char bitmap_sygikj[] PROGMEM = {
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,
  0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,
  0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,
  0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};

// 'icons8-bitcoin-24', 48x8px
const unsigned char logo [] PROGMEM = {
   0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x01,0xB7,0x7E,0xFC,0xEC,
  0x00,0x01,0xBE,0x7C,0xF8,0xE0,
  0x00,0x01,0xFE,0x7C,0xF1,0xF0,
  0x00,0x01,0xFE,0xFC,0xF9,0xF0,
  0x00,0x01,0xFC,0xE0,0xC3,0xF0,
  0x00,0x01,0xDC,0xFC,0xC3,0xF0,
  0x00,0x01,0xD8,0xFC,0xC2,0x30
};
const int DHT_PIN = 4;

DHTesp dhtSensor;
HTTPClient http;
String lastPrice;

void setup() {
  Serial.begin(115200);

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }

  display.clearDisplay();
  display.drawBitmap((0) - (8), 0, logo, 48, 8, WHITE);
  display.display();
  display.setTextSize(1);           
  display.setTextColor(SSD1306_WHITE);      
  display.setCursor(0,16); 
  display.println("Connecting to WiFi");
  display.display();

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED)
  {
    display.display();
    delay(500);
  }
  display.clearDisplay();
  Serial.print("CONNECTED to SSID: ");
  Serial.println(ssid);

  printCenter("Connected to ", 0, 32);
  display.setCursor(30, 40);
  display.println(ssid);
  display.display();
  delay(5000);
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  display.clearDisplay();
  display.drawBitmap((48/2) - (8/2), 0, logo, 48, 8, WHITE);
  display.display(); 

  //Display BTC Price
  display.setTextSize(1);
  display.setCursor(0, 18);
  display.println("Temperature: " + String(data.temperature, 2));
  display.println("Humidity: " + String(data.humidity, 2));
  display.drawBitmap((128/2) - (40), 0, bitmap_sygikj, 128, 20, WHITE);
  display.display();
  delay(1250);
}

void printCenter(const String buf, int x, int y)
{
  int16_t x1, y1;
  uint16_t w, h;
  display.getTextBounds(buf, x, y, &x1, &y1, &w, &h); //calc width of new string
  display.setCursor((x - w / 2) + (128 / 2), y);
  display.print(buf);
}