// Learn about the ESP32 WiFi simulation in
// https://docs.wokwi.com/guides/esp32-wifi

#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
DHTesp dhtSensor;

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0


#define LED_PIN_01    2
#define LED_PIN_02    3
#define LED_PIN_03    4
#define LED_PIN_04    5
#define LED_PIN_05    6
#define LED_PIN_06    7

#define PUMP_PIN_01   8
#define PUMP_PIN_02   9

#define FAN_PIN_01    10
#define FAN_PIN_02    11

#define DHT_PIN    15

#define ON  1
#define OFF 0

struct tm timeinfo;
TempAndHumidity  temp_hum;


void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  LCD.setCursor(15, 1);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void initLED(){
  pinMode(LED_PIN_01, OUTPUT);
  pinMode(LED_PIN_02, OUTPUT);
  pinMode(LED_PIN_03, OUTPUT);
  pinMode(LED_PIN_04, OUTPUT);
  pinMode(LED_PIN_05, OUTPUT);
  pinMode(LED_PIN_06, OUTPUT);
}

void initPump(){
  pinMode(PUMP_PIN_01, OUTPUT);
  pinMode(PUMP_PIN_02, OUTPUT);
}

void initFan(){
  pinMode(FAN_PIN_01, OUTPUT);
  pinMode(FAN_PIN_02, OUTPUT);
}

void initDHT(){
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

// void printLocalTime() {
//   struct tm timeinfo;
//   if (!getLocalTime(&timeinfo)) {
//     LCD.setCursor(0, 1);
//     LCD.println("Connection Err");
//     return;
//   }

//   LCD.setCursor(8, 0);
//   LCD.println(&timeinfo, "%H:%M:%S");

//   LCD.setCursor(0, 1);
//   LCD.println(&timeinfo, "%d/%m/%Y   %Z");
// }

void getTime(){
  if (!getLocalTime(&timeinfo)) {
    // LCD.setCursor(0, 1);
    // LCD.println("Connection Err");
    return;
  }
}

void ledOn(int pin){
  digitalWrite(pin, ON);
}

void ledOff(int pin){
  digitalWrite(pin, OFF);
}

void pumpOn(int pin){
  digitalWrite(pin, ON);
}

void pumpOff(int pin){
  digitalWrite(pin, OFF);
}

void getDHTinfo(){
  temp_hum = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(temp_hum.temperature, 0) + "°C");
  Serial.println("Humidity: " + String(temp_hum.humidity, 0) + "%");
}

/*---------------------- display func ---------------------------*/
void main_display(){
  //LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println(&timeinfo, "%HH:%MM");
  LCD.setCursor(7, 0);
  LCD.print(String(temp_hum.temperature, 0) + "\xDF" "C ");
  LCD.print(String(temp_hum.humidity, 0) + "%");
  LCD.setCursor(0, 1);
  LCD.print("BLOOM  Day:        ");
}

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

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");

  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    spinner();
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println("Online");
  LCD.setCursor(0, 1);
  LCD.println("Updating time...");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);

  initDHT();
  initLED();
  initPump();
  initFan();
}


void loop() {
  //printLocalTime();
  getTime();
  getDHTinfo();
  main_display();
  delay(250);
}