import network
import time
import urequests
from machine import Pin

# =====================================
# KONFIGURASI WIFI WOKWI
# =====================================

WIFI_SSID = "Wokwi-GUEST"
WIFI_PASSWORD = ""

# Ganti dengan URL Cloudflare Tunnel Anda
API_BASE = "https://motels-ver-lip-loans.trycloudflare.com"

STATUS_URL = API_BASE + "/api/v1/status"

# LED internal ESP32
# Umumnya GPIO 2 pada board ESP32 di Wokwi
led = Pin(2, Pin.OUT)
led.off()

POLL_INTERVAL = 1


# =====================================
# KONEKSI WIFI
# =====================================

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)

    if wlan.isconnected():
        print("WiFi sudah terhubung")
        return wlan

    print("Menghubungkan ke WiFi...")

    wlan.connect(WIFI_SSID, WIFI_PASSWORD)

    start = time.time()

    while not wlan.isconnected():
        if time.time() - start > 20:
            print("Koneksi WiFi gagal")
            return None

        time.sleep(1)

    print("WiFi terhubung")
    print("IP ESP32:", wlan.ifconfig()[0])

    return wlan


# =====================================
# MEMPROSES PERINTAH GESTURE
# =====================================


def process_command(data):
    if not isinstance(data, dict):
        print("Format JSON tidak valid")
        return

    # Membaca status pompa dari FastAPI
    pump = data.get("pump")

    if isinstance(pump, str):
        pump = pump.upper().strip()

        if pump == "ON":
            led.on()
            print("STATUS POMPA ON -> LED INTERNAL MENYALA")

        elif pump == "OFF":
            led.off()
            print("STATUS POMPA OFF -> LED INTERNAL MATI")

        else:
            print("Status pompa tidak dikenal:", pump)
    else:
        print("Field pump tidak ditemukan dalam JSON")


# =====================================
# MEMBACA FASTAPI
# =====================================

def read_command():
    response = None

    try:
        response = urequests.get(STATUS_URL)

        if response.status_code == 200:
            data = response.json()
            print("Data API:", data)
            process_command(data)
        else:
            print("HTTP status:", response.status_code)

    except Exception as error:
        print("Gagal membaca API:", error)

    finally:
        if response is not None:
            response.close()


# =====================================
# PROGRAM UTAMA
# =====================================

print("================================")
print(" ESP32 HAND GESTURE LED CONTROL")
print("================================")

wlan = connect_wifi()

if wlan is None:
    print("Periksa koneksi WiFi")
else:
    while True:
        if not wlan.isconnected():
            print("WiFi terputus, mencoba ulang...")
            wlan = connect_wifi()

            if wlan is None:
                led.off()
                time.sleep(3)
                continue

        read_command()
        time.sleep(POLL_INTERVAL)