# main.py — Smart Parking Monitor
# MicroPython ESP32 | Wokwi Free (tanpa library eksternal)

import uasyncio as asyncio
import network
import time
from config   import WIFI_SSID, WIFI_PASS
from parking  import ParkingMonitor
from firebase import FirebaseClient


def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    if wlan.isconnected():
        return True
    print("Connecting WiFi...")
    wlan.connect(WIFI_SSID, WIFI_PASS)
    for _ in range(20):
        if wlan.isconnected():
            print("WiFi OK:", wlan.ifconfig()[0])
            return True
        time.sleep(1)
    print("WiFi gagal — mode offline")
    return False


async def task_sensor(monitor):
    while True:
        monitor.read_all_sensors()
        monitor.update_led()
        monitor.update_lcd()
        await asyncio.sleep_ms(300)


async def task_buttons(monitor):
    while True:
        monitor.read_buttons()
        await asyncio.sleep_ms(50)


async def task_firebase(monitor, fb):
    while True:
        await asyncio.sleep(5)
        data = monitor.get_state_dict()
        ok   = fb.patch("parking", data)
        print("Firebase:", "OK" if ok else "GAGAL")
        if ok:
            fb.post("history", {
                "occupied" : data["occupied"],
                "freeSlots": data["freeSlots"],
                "ts"       : data["uptime_s"],
            })


async def main():
    wifi_ok = connect_wifi()
    monitor = ParkingMonitor()
    monitor.lcd_clear()
    monitor.lcd_print("Smart Parking", row=0)
    monitor.lcd_print("MicroPython IoT", row=1)
    time.sleep(2)

    fb    = FirebaseClient() if wifi_ok else None
    tasks = [
        asyncio.create_task(task_sensor(monitor)),
        asyncio.create_task(task_buttons(monitor)),
    ]
    if fb:
        tasks.append(asyncio.create_task(task_firebase(monitor, fb)))
    await asyncio.gather(*tasks)


asyncio.run(main())