# 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())
{
  "version": 1,
  "author": "Smart Parking MicroPython",
  "editor": "wokwi",
  "parts": [
    {
      "type": "board-esp32-devkit-c-v4",
      "id": "esp",
      "top": 80,
      "left": 120,
      "attrs": { "env": "micropython-20231227-v1.22.0" }
    },
    {
      "type": "wokwi-hc-sr04",
      "id": "sr1",
      "top": -60,
      "left": 420,
      "attrs": { "distance": "25" }
    },
    {
      "type": "wokwi-hc-sr04",
      "id": "sr2",
      "top": 60,
      "left": 420,
      "attrs": { "distance": "25" }
    },
    {
      "type": "wokwi-hc-sr04",
      "id": "sr3",
      "top": 180,
      "left": 420,
      "attrs": { "distance": "25" }
    },
    { "type": "wokwi-lcd1602", "id": "lcd", "top": 339.43, "left": 198.4, "attrs": {} },
    { "type": "wokwi-led", "id": "ledR", "top": -60, "left": -80, "attrs": { "color": "red" } },
    { "type": "wokwi-led", "id": "ledY", "top": 30, "left": -80, "attrs": { "color": "yellow" } },
    { "type": "wokwi-led", "id": "ledG", "top": 120, "left": -80, "attrs": { "color": "green" } },
    {
      "type": "wokwi-pushbutton",
      "id": "btn1",
      "top": 460,
      "left": 80,
      "attrs": { "color": "green" }
    },
    {
      "type": "wokwi-pushbutton",
      "id": "btn2",
      "top": 460,
      "left": 200,
      "attrs": { "color": "yellow" }
    },
    {
      "type": "wokwi-pushbutton",
      "id": "btn3",
      "top": 460,
      "left": 320,
      "attrs": { "color": "red" }
    },
    { "type": "wokwi-resistor", "id": "r1", "top": -40, "left": -40, "attrs": { "value": "220" } },
    { "type": "wokwi-resistor", "id": "r2", "top": 50, "left": -40, "attrs": { "value": "220" } },
    { "type": "wokwi-resistor", "id": "r3", "top": 140, "left": -40, "attrs": { "value": "220" } }
  ],
  "connections": [
    [ "esp:TX", "$serialMonitor:RX", "", [] ],
    [ "esp:RX", "$serialMonitor:TX", "", [] ],
    [ "esp:5", "sr1:TRIG", "blue", [] ],
    [ "esp:18", "sr1:ECHO", "green", [] ],
    [ "esp:19", "sr2:TRIG", "blue", [] ],
    [ "esp:21", "sr2:ECHO", "green", [] ],
    [ "esp:22", "sr3:TRIG", "blue", [] ],
    [ "esp:23", "sr3:ECHO", "green", [] ],
    [ "sr1:VCC", "esp:3V3", "red", [] ],
    [ "sr1:GND", "esp:GND", "black", [] ],
    [ "sr2:VCC", "esp:3V3", "red", [] ],
    [ "sr2:GND", "esp:GND", "black", [] ],
    [ "sr3:VCC", "esp:3V3", "red", [] ],
    [ "sr3:GND", "esp:GND", "black", [] ],
    [ "esp:25", "r1:1", "orange", [] ],
    [ "r1:2", "ledR:A", "orange", [] ],
    [ "ledR:K", "esp:GND", "black", [] ],
    [ "esp:26", "r2:1", "yellow", [] ],
    [ "r2:2", "ledY:A", "yellow", [] ],
    [ "ledY:K", "esp:GND", "black", [] ],
    [ "esp:27", "r3:1", "lime", [] ],
    [ "r3:2", "ledG:A", "lime", [] ],
    [ "ledG:K", "esp:GND", "black", [] ],
    [ "esp:13", "lcd:RS", "purple", [] ],
    [ "esp:12", "lcd:E", "purple", [] ],
    [ "esp:14", "lcd:D4", "blue", [] ],
    [ "esp:2", "lcd:D5", "blue", [] ],
    [ "esp:4", "lcd:D6", "blue", [] ],
    [ "esp:15", "lcd:D7", "blue", [] ],
    [ "lcd:VSS", "esp:GND", "black", [] ],
    [ "lcd:VDD", "esp:3V3", "red", [] ],
    [ "lcd:V0", "esp:GND", "black", [] ],
    [ "lcd:A", "esp:3V3", "red", [] ],
    [ "lcd:K", "esp:GND", "black", [] ],
    [ "lcd:RW", "esp:GND", "black", [] ],
    [ "esp:32", "btn1:1.l", "white", [] ],
    [ "btn1:2.l", "esp:GND", "black", [] ],
    [ "esp:33", "btn2:1.l", "white", [] ],
    [ "btn2:2.l", "esp:GND", "black", [] ],
    [ "esp:34", "btn3:1.l", "white", [] ],
    [ "btn3:2.l", "esp:GND", "black", [] ]
  ],
  "dependencies": {}
}