#include <WiFi.h>
#include <HTTPClient.h>
#include <DHTesp.h>
#include <ESP32Servo.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* webAppUrl = "https://script.google.com/macros/s/AKfycbwqvOiZ1S40Vvob1O0s_AAAgp66fy8UeG0WmhDSyAqeMn-9Yp9EIpjD8LVwWRdHY94n/exec";

const int pinDHT = 25;      // DHT sensor pin
const int pinEcho = 2;      // Ultrasonic sensor Echo pin
const int pinTrigger = 15;  // Ultrasonic sensor Trigger pin
const int ledMerah = 13;    // Red LED pin
const int ledKuning = 12;   // Yellow LED pin
const int ledHijau = 14;    // Green LED pin
const int ledPin = 18;      // Additional LED pin (if needed)
const int inputPin = 19;    // Motion sensor input pin
const int servoPin = 5;     // Servo motor pin

DHTesp dhtSensor;
Servo myServo; // Create a Servo object

void sendSensor() {
    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    Serial.println("Temp: " + String(data.temperature, 2) + "°C");
    Serial.println("Humidity: " + String(data.humidity, 1) + "%");

    // Control LEDs and servo based on sensor data
    if (data.temperature < 32 && data.humidity < 65) {
        digitalWrite(ledHijau, HIGH);
        digitalWrite(ledKuning, LOW);
        digitalWrite(ledMerah, LOW);
        myServo.write(0); // Move servo to 0 degrees
    } else if (data.temperature > 32 && data.humidity < 65) {
        digitalWrite(ledHijau, LOW);
        digitalWrite(ledKuning, HIGH);
        digitalWrite(ledMerah, LOW);
        myServo.write(90); // Move servo to 90 degrees
    } else if (data.temperature < 32 && data.humidity > 65) {
        digitalWrite(ledHijau, LOW);
        digitalWrite(ledKuning, HIGH);
        digitalWrite(ledMerah, LOW);
        myServo.write(90); // Move servo to 90 degrees
    } else {
        digitalWrite(ledHijau, LOW);
        digitalWrite(ledKuning, LOW);
        digitalWrite(ledMerah, HIGH);
        myServo.write(180); // Move servo to 180 degrees
    }

    // Send sensor data to Google Sheets
    sendDataToGoogleSheets(data.temperature, data.humidity, -1); // -1 indicates no water level data
}

float readUltrasonic() {
    digitalWrite(pinTrigger, LOW);
    delayMicroseconds(2);
    digitalWrite(pinTrigger, HIGH);
    delayMicroseconds(10);
    digitalWrite(pinTrigger, LOW);
    int duration = pulseIn(pinEcho, HIGH);
    float dist_cm = duration * 0.034 / 2;
    return dist_cm;
}

void sendDataToGoogleSheets(float temperature, float humidity, float waterLevel) {
    HTTPClient http;

    String serverPath = String(webAppUrl) + "?temperature=" + String(temperature) +
                      "&humidity=" + String(humidity) +
                      "&waterLevel=" + String(waterLevel);

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

    if (http.begin(serverPath)) {
        int httpCode = http.GET();
        if (httpCode > 0) {
            Serial.print("Server response code: ");
            Serial.println(httpCode);
        } else {
            Serial.print("HTTP GET request failed with error code: ");
            Serial.println(httpCode);
        }
        http.end();
    } else {
        Serial.println("Unable to connect to the server");
    }
}

void setup() {
    Serial.begin(115200);
    delay(1000); // Give some time to initialize

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

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

    pinMode(pinEcho, INPUT);
    pinMode(pinTrigger, OUTPUT);
    pinMode(ledMerah, OUTPUT);
    pinMode(ledKuning, OUTPUT);
    pinMode(ledHijau, OUTPUT);
    pinMode(ledPin, OUTPUT);
    pinMode(inputPin, INPUT);

    myServo.attach(servoPin); // Attach the servo to the specified pin

    // Set interval for sensor reading and data sending
    // Note: This example does not use a timer for continuous execution.
    // You may add a delay or timer for periodic execution if needed.
    sendSensor();
}

void loop() {
    // Since this example does not require continuous execution,
    // loop() is not actively used for repeated tasks.
}