from machine import Pin, time_pulse_us
import dht
import time
import network
import urequests

# WiFi
SSID = "Wokwi-GUEST"
PASSWORD = ""
# Ganti dengan URL Web App kalian
URL = "https://script.google.com/macros/s/AKfycbwyICz26KbEKdUx_yrhZdJgygIGRwyWrWDbYi85XetW_mYkdzzE7RmadboUgVyRgk6y/exec"

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    if not wlan.isconnected():
        print("Connecting to WiFi...")
        wlan.connect(SSID, PASSWORD)
        while not wlan.isconnected():
            print(".", end="")
            time.sleep(0.5)
            print("\nConnected!")
    print("IP address:", wlan.ifconfig()[0])
    return wlan


# =====================
# KONFIGURASI PIN
# =====================
DHT_PIN = 15
TRIG_PIN = 18
ECHO_PIN = 19

# =====================
# INISIALISASI SENSOR
# =====================
dht_sensor = dht.DHT22(Pin(DHT_PIN))
trig = Pin(TRIG_PIN, Pin.OUT)
echo = Pin(ECHO_PIN, Pin.IN)

# =====================
# FUNGSI BACA JARAK
# =====================
def read_distance():
    trig.off()
    time.sleep_us(2)
    trig.on()
    time.sleep_us(10)
    trig.off()

    duration = time_pulse_us(echo, 1, 30000)  # timeout 30 ms
    distance = (duration * 0.0343) / 2  # cm
    return distance

# =====================
# LOOP UTAMA
# =====================

def loop():
    while True:
        try:
            # Baca DHT22
            dht_sensor.measure()
            temperature = dht_sensor.temperature()
            humidity = dht_sensor.humidity()

            # Baca Ultrasonik
            distance = round(read_distance())

            print("Suhu      :", temperature, "°C")
            print("Kelembapan:", humidity, "%")
            print("Jarak     :", distance,"cm")
            print("--------------------------")

# Cek data valid
            if temperature is None or humidity is None or distance is None:
                print("Sensor error: data None")

            else:
                data = {
                    "temperature": temperature,
                    "humidity": humidity,
                    "distance": distance,
                    "device": "esp32-sim"
                }
                try:
                    headers = {"Content-Type": "application/json"}
                    response = urequests.post(URL, json=data, headers=headers)
                    print("Sent:", data)
                    print("HTTP Code:", response.status_code)
                    response.close()
                except Exception as e:
                    print("HTTP Error:", e)
        except Exception as e:
            print("Sensor read error:", e)
# jeda 5 detik
        time.sleep(5)
connect_wifi()
loop()