#include <Wire.h> // Library untuk komunikasi I2C
#include <LiquidCrystal_I2C.h> // Library untuk LCD I2C
#include <RTClib.h> // Library untuk Real-time Clock
RTC_DS3231 rtc;

LiquidCrystal_I2C lcd(0x27,16,2); //Mengakses alamat LCD 
const int BalkonDanTerasRelay = 9; // Pin untuk relay lampu balkon dan teras
const int RuangTengahDanKamarRelay = 10; // Pin untuk relay lampu ruang tengah dan kamar

#include <WiFi.h>
#include <HTTPClient.h>

const char* ssid = "Wokwi-GUEST"; // Wifi name
const char* pass = "";        // Wifi pass
const char* webAppUrl = "https://script.google.com/macros/s/AKfycby8Gbyf_Bd4BZvAFuNgAh6JOYeSOw8YItzwZy3fNqC1GkdNh_ZQ_v94aGsTSjSwBWCf/exec";


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  delay(100);

  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  lcd.init();  // Reset LCD 
  lcd.backlight();  // Menyalakan background LCD
  rtc.begin();    // Mulai Real time clock

  pinMode(BalkonDanTerasRelay, OUTPUT);
  pinMode(RuangTengahDanKamarRelay, OUTPUT);
  rtc.adjust(DateTime(2024, 05, 20, 17, 59, 50));
}

void loop() {
  DateTime now = rtc.now();
  lcd.setCursor(0, 0);
  lcd.print("Tgl : ");  lcd.print(now.day()); lcd.print("/"); lcd.print(now.month()); lcd.print("/"); lcd.print(now.year());
  lcd.setCursor(0,1); 
  lcd.print("Jam : "); lcd.print(now.hour()); lcd.print(":"); lcd.print(now.minute()); lcd.print(":"); lcd.print(now.second());

  if (now.hour() >= 18 && now.minute() >= 0 && now.second() >=0 ||now.hour()<6) {
    // Saat pukul 18.00
    digitalWrite(BalkonDanTerasRelay, HIGH); //Nyalakan lampu Teras dan Balkon
    sendDataToScript("lampu Teras dan Balkon Hidup");
  } else if (now.hour() >= 6 && now.minute() >= 0) {
    // Saat pukul 06.00
    digitalWrite(BalkonDanTerasRelay, LOW); // Matikan lampu Teras dan Balkon
    sendDataToScript("lampu Teras dan Balkon Mati");
  }

  if (now.hour() >= 17 && now.minute() >= 0 && now.second() >= 0 || now.hour()<6) {
    // Saat pukul 17.00
    digitalWrite(RuangTengahDanKamarRelay, HIGH); //Nyalakan lampu Ruang Tengah dan Kamar
    sendDataToScript("lampu Ruang Tengah dan Kamar Hidup");
  } else if (now.hour() >= 6 && now.minute() >= 0) {
    // Saat pukul 06.00
    digitalWrite(RuangTengahDanKamarRelay, LOW); //Matikan lampu Ruang Tengah dan Kamar 
    sendDataToScript("lampu Ruang Tengah dan Kamar Mati");
  }
}


void sendDataToScript(String lampu) {
    if (WiFi.status() != WL_CONNECTED) {
        Serial.println("WiFi not connected, can't send data");
        return;
    }
    HTTPClient http;
   
    String serverPath = String(webAppUrl) + "?lampu=" + urlEncode(lampu);

    Serial.print("Connecting to server: ");
    Serial.println(serverPath);

    // Send HTTP GET request
    if (http.begin(serverPath.c_str())) {
      int httpCode = http.GET();
      if (httpCode > 0) {
        Serial.print("Server response code: ");
        Serial.println(httpCode);
        // String payload = http.getString();
        // Serial.println("Server response: " + payload);
      } else {
        Serial.print("HTTP GET request failed with error code: ");
        Serial.println(httpCode);
        Serial.println("Error message: " + http.errorToString(httpCode));
        String payload = http.getString();
        Serial.println("Server response: " + payload);
      }
      http.end();
    } else {
      Serial.println("Unable to connect to the server");
    }
    delay(2000);
}



String urlEncode(String str) {
    String encodedString = "";
    char c;
    for (int i = 0; i < str.length(); i++) {
        c = str.charAt(i);
        if (isalnum(c)) {
            encodedString += c;
        } else {
            encodedString += '%';
            encodedString += charToHex(c >> 4);
            encodedString += charToHex(c & 15);
        }
    }
    return encodedString;
}

char charToHex(char c) {
    if (c < 10) return '0' + c;
    return 'A' + c - 10;
}