#include <WiFi.h>
#include "time.h"
#include "TimeLib.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 23//33
#define DHTTYPE DHT22
#define TDSPIN 34 //TDS PIN
#define ABPIN 12
#define SMPIN 14
#define FMPIN 27
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 20, 4);

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 25200 //UTC+7

const char *ssid     = "Abdullah";      // NTP
const char *password = "bismillaah";    // NTP

byte myHour, myMin, mySec;
int tdsValue;

void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  lcd.setCursor(15, 2);
  lcd.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    lcd.setCursor(0, 0);
    lcd.println("Conn Err");
    return;
  }
  lcd.setCursor(0, 0);
  lcd.print(&timeinfo, "%d/%m/%Y  %H:%M:%S");
  getLocalTime(&timeinfo);
  myHour = timeinfo.tm_hour;
  myMin  = timeinfo.tm_min;
  mySec  = timeinfo.tm_sec;
  Serial.println(String(myHour) + ":" + String(myMin) + ":" + String(mySec));
}

void dht22() {
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  if (isnan(t) || isnan(h)) {
    t = 0;
    h = 0;
  }
  byte customDegreeSymbol[8] = {
  B00000,
  B00110,
  B00110,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
  };
  lcd.createChar(0, customDegreeSymbol); // Simpan di address 0
  
  lcd.setCursor(0, 1);
  lcd.print("T:" + String(t,1));
  lcd.setCursor(6, 1);
//  lcd.print((char)223);
  lcd.write(byte(0)); // Menampilkan karakter khusus derajat Celsius
  lcd.setCursor(7, 1);
  lcd.print("C");
  lcd.setCursor(0, 2);
  lcd.print("H:" + String(h,1) + "%");
}

void tds() {
  tdsValue = analogRead(TDSPIN);
  lcd.setCursor(0, 3);
  lcd.print("TDS:" + String(tdsValue) + "ppm ");
}

void ABPump() {
  Serial.println("Spray Mode");
  digitalWrite(ABPIN, HIGH);
  digitalWrite(SMPIN, LOW);
  digitalWrite(FMPIN, LOW);
  lcd.setCursor(12, 1);
  lcd.print("AB: > ON");
  lcd.setCursor(12, 2);
  lcd.print("SM:     ");
  lcd.setCursor(12, 3);
  lcd.print("FM:     ");
  delay5s();
}

void stirMode() {
  Serial.println("Stir Mode");
  digitalWrite(ABPIN, LOW);
  digitalWrite(SMPIN, HIGH);
  digitalWrite(FMPIN, LOW);
  lcd.setCursor(12, 1);
  lcd.print("AB:     ");
  lcd.setCursor(12, 2);
  lcd.print("SM: > ON");
  lcd.setCursor(12, 3);
  lcd.print("FM:     ");
  delay10s();
}

void flushMode() {
  Serial.println("Flush Mode");
  digitalWrite(ABPIN, LOW);
  digitalWrite(SMPIN, LOW);
  digitalWrite(FMPIN, HIGH);
  lcd.setCursor(12, 1);
  lcd.print("AB:     ");
  lcd.setCursor(12, 2);
  lcd.print("SM:     ");
  lcd.setCursor(12, 3);
  lcd.print("FM: > ON");
  delay10s();
}

void setup() {
  Serial.begin(115200);
  pinMode(TDSPIN, INPUT);
  pinMode(ABPIN, OUTPUT);
  pinMode(SMPIN, OUTPUT);
  pinMode(FMPIN, OUTPUT);

  dht.begin();
  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.setCursor(0, 1);
  lcd.print("Connecting to ");
  lcd.setCursor(0, 2);
  lcd.print("WiFi ");

  // WiFi.begin(ssid, password);
  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());

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
  lcd.clear();
}

void loop() {
  dht22();
  tds();
  printLocalTime();
  delay1s();
  if ((myHour == 17 && myMin == 35 && mySec < 10) || (myHour == 17 && myMin == 37 && mySec < 10)){
    if (tdsValue < 800) {
      for (int x = 0; x < 100; x++) {
        ABPump();
        stirMode();
        tds();
        if (tdsValue > 800) {
          flushMode();
          break;
        }
      }
    } else {
      flushMode();
      return;
    }
  }
  actuatorOff();
}

void actuatorOff(){
  digitalWrite(FMPIN, LOW);
  lcd.setCursor(12, 3);
  lcd.print("FM:     ");
  digitalWrite(SMPIN, LOW);
  lcd.setCursor(12, 2);
  lcd.print("SM:     ");
  digitalWrite(ABPIN, LOW);
  lcd.setCursor(12, 1);
  lcd.print("AB:     ");
}

void delay1s() {
  for (int x = 0; x < 10; x++) {
    delay(100);
    if (x == 9) {
      break;
    }
  }
}

void delay5s() {
  for (int x = 0; x < 50; x++) {
    delay(100);
    if (x == 49) {
      break;
    }
  }
}

void delay10s() {
  for (int x = 0; x < 100; x++) {
    delay(100);
    if (x == 99) {
      break;
    }
  }
}

void delay20s() {
  for (int x = 0; x < 200; x++) {
    delay(100);
    if (x == 199) {
      break;
    }
  }
}