#include <Arduino.h>
#include <U8g2lib.h>
//#include <WiFi.h>
#include <WiFiConnector.h>
#include <GyverNTP.h>
#include "DHT.h"
#include "Graphics.h"


U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

void Draw_Screen_0 ();
void Draw_Screen_1 ();
void Draw_Screen_2 ();
void Draw_Caption ();
void printDate (int x, int y);
void printTime (int x, int y);
void printWiFi (int x, int y);
void printIP (int x, int y);

bool State_Colon;
int True_Screen = 0,
    WiFi_Signal_vol;

unsigned long C_01_sec, P_01_sec,
         C_03_sec, P_03_sec,
         C_05_sec, P_05_sec,
         C_1_sec,  P_1_sec,
         C_5_sec, P_5_sec,
         C_1_min, P_1_min; // = millis();

const char* ssid     = "Wokwi-GUEST"; // подставить название своей сети WiFi
const char* password = ""; //подставить пароль свой сети WiFi

#define DHT1PIN 13
#define DHT2PIN 14
#define DHTTYPE DHT22

DHT dht1(DHT1PIN, DHTTYPE);
DHT dht2(DHT2PIN, DHTTYPE);

static const char *dayNames[]  = {
  "Пн",
  "Вт",
  "Ср",
  "Чт",
  "Пт",
  "Сб",
  "Вс",
};
static const char *monthNames[]  = {
  "Янв",
  "Фев",
  "Мар",
  "Апр",
  "Май",
  "Июн",
  "Июл",
  "Авг",
  "Сен",
  "Окт",
  "Ноя",
  "Дек",
};

float State_by_Hours [8] [24],
      State_by_Minutes [8] [60];

GyverNTP ntp(3);

void setup(void) {
  Serial.begin(9600);
  u8g2.begin();
  u8g2.setBitmapMode(1);
  u8g2.enableUTF8Print();

  dht1.begin();
  dht2.begin();

  WiFiConnector.connect(ssid, password);

  WiFiConnector.onConnect([]() {
    Serial.print("Local IP: ");
    Serial.println(WiFi.localIP());
  });

  WiFiConnector.onError([]() {
    Serial.println("WiFi error");
  });

  ntp.begin();

  P_01_sec = P_03_sec = P_05_sec = P_1_sec = P_5_sec = millis();
}

void loop(void) {


  ntp.tick();

  //---------------------- Блок таймеров ------------------------------
  C_01_sec = C_03_sec = C_05_sec = C_1_sec = C_5_sec = C_1_min = millis();

  //---------------------- 0.1 секунды --------------------------------
  if (C_01_sec - P_01_sec >= 100) {

    P_01_sec = C_01_sec;
  }

  //---------------------- 0.25 секунды --------------------------------
  if (C_03_sec - P_03_sec >= 250) {

    if (WiFi.status() != WL_CONNECTED) {
      WiFi_Signal_vol = 0;
    } else {
      WiFi_Signal_vol = map(WiFi.RSSI(), -100, -35, 1, 5);
      // Шкала 0 - 100, 4 - 35 дБм.
    }

    switch (True_Screen)
    {
      case 0:
        Draw_Screen_0();
        break;
      case 1:
        Draw_Screen_1();
        break;
      default:
        Draw_Screen_1();
        break;
    }

    P_03_sec = C_03_sec;
  }

  //---------------------- 0.5 секунды --------------------------------
  if (C_05_sec - P_05_sec >= 500) {

    WiFiConnector.tick();

    P_05_sec = C_05_sec;
  }

  //---------------------- 1 секунда ----------------------------------
  if (C_1_sec - P_1_sec >= 1000) {

    State_Colon = ! State_Colon;

    P_1_sec = C_1_sec;
  }

  //---------------------- 5 секунд ------------------------------------
  if (C_5_sec - P_5_sec >= 5000) {
    True_Screen++;
    if (True_Screen > 1 ) True_Screen = 0;

    Serial.println(ntp.status());
    Serial.println(WiFiConnector.connected());


    P_5_sec = C_5_sec;
  }

  //---------------------- 1 минута ------------------------------------
  if (C_1_min - P_1_min >= 60000) {

    float h1 = dht1.readHumidity();
    float h2 = dht2.readHumidity();

    float t1 = dht1.readTemperature();
    float t2 = dht2.readTemperature();

    if (isnan(h1) || isnan(t1) || isnan(h2) || isnan(t2)) {
      Serial.println(F("Failed to read from DHT sensors!"));
      return;
    }

    // float hif1 = dht1.computeHeatIndex(f1, h1);
    // float hif2 = dht2.computeHeatIndex(f2, h2);
    // float hic1 = dht1.computeHeatIndex(t1, h1, false);
    // float hic2 = dht2.computeHeatIndex(t2, h2, false);


    P_1_min = C_1_min;
  }
}


void Draw_Screen_0 () {
  u8g2.clearBuffer();

  Draw_Caption();

  // u8g2.setFont(u8g2_font_6x13_tr);
  u8g2.setFont(u8g2_font_profont11_tr);
  u8g2.drawXBMP(2, 20, 11, 13, weather_temperature); // температура
  u8g2.drawStr(15, 30, "-02,09");
  u8g2.drawXBMP(2, 34, 11, 13, weather_humidity_white); // влажность
  u8g2.drawStr(15, 44, "82,19");
  u8g2.drawXBMP(2, 48, 11, 13, weather_pressure); // давление
  u8g2.drawStr(15, 58, "736,52");
  u8g2.drawXBMP(52, 22, 39,39, basel);


  // u8g2.drawXBMP(55, 34, 11, 13,  weather_wind);
  // u8g2.drawStr(68, 44, "3,1M/c");

  // u8g2.drawXBMP(2, 48, 11, 13,  weather_flug);
  // u8g2.drawStr(15, 58, "-CB- 144");
  u8g2.sendBuffer();
}

void Draw_Screen_1 () {
  u8g2.clearBuffer();

  Draw_Caption();

  // u8g2.setFont(u8g2_font_6x13_tr);
  u8g2.setFont(u8g2_font_profont11_tr);
  u8g2.drawXBMP(2, 20, 11, 13, weather_temperature);
  u8g2.drawStr(15, 30, "+22,54");
  u8g2.drawXBMP(2, 34, 11, 13,  weather_humidity_white);
  u8g2.drawStr(15, 44, "43,65");
  u8g2.drawXBMP(55, 20, 11, 13, weather_temperature);
  u8g2.drawStr(68, 30, "+21,77");
  u8g2.drawXBMP(55, 34, 11, 13,  weather_humidity_white);
  u8g2.drawStr(68, 44, "31,53");

  u8g2.sendBuffer();
}

void Draw_Screen_2 () {
  u8g2.clearBuffer();



  u8g2.sendBuffer();
}

void Draw_Caption () {
  printWiFi (116, 1);
  printTime (1, 10);
  printDate (1, 16);
  printIP (63, 10);
  u8g2.drawLine(1, 18, 126, 18);
  u8g2.drawLine(60, 1, 60, 16);
}

void printDate (int x, int y) {
  char buffer[40];
  if (ntp.online()) {
    sprintf(buffer, "%02u %s %d %s", ntp.day(), monthNames[ntp.month() - 1], ntp.year(), dayNames[ntp.weekDay() - 1]);
  } else {
    //  sprintf(buffer, "-- --- ---- --");
    sprintf(buffer, "Ошибка времени");
  }
  u8g2.setCursor(x, y);
  // u8g2.setFont(u8g2_font_5x8_t_cyrillic);
  u8g2.setFont(u8g2_font_4x6_t_cyrillic);
  u8g2.print(buffer);
}

void printTime (int x, int y) {
  char buffer[12];
  const char colon [2] = {' ', ':'};
  u8g2.setFont(u8g2_font_profont15_mn);
  // u8g2.setFont(u8g2_font_spleen8x16_mn);
  // u8g2.setFont(u8g2_font_freedoomr10_mu);
  // u8g2.setFont(u8g2_font_12x6LED_mn);
  if (ntp.online()) {
    sprintf(buffer, "%02u%c%02u%c%02u", ntp.hour(), colon[State_Colon], ntp.minute(), colon[State_Colon], ntp.second());
  } else {
    sprintf(buffer, "--%c--%c--", colon[State_Colon], colon[State_Colon]);
  }
  u8g2.setCursor(x, y);
  u8g2.print(buffer);
}

void printWiFi (int x, int y) {
  u8g2.drawXBMP(x, y, 11, 11, image_network_allArray[WiFi_Signal_vol]);
  if (WiFi_Signal_vol) {
    u8g2.setFont(u8g2_font_4x6_t_cyrillic);
    // u8g2.setFont(u8g2_font_micro_mr);
    u8g2.setCursor(x - 8, y + 5); //     u8g2.setCursor(x - 5, y + 5);
    u8g2.print(WiFi.RSSI());
  }
}

void printIP (int x, int y) {
  u8g2.setFont(u8g2_font_4x6_t_cyrillic);
  u8g2.setCursor(x, y);
  u8g2.print(WiFi.SSID());
  u8g2.setCursor(x, y + 6);
  u8g2.print(WiFi.localIP());
}