import time
import ujson  # type: ignore
import network  # type: ignore
import urequests as requests  # type: ignore
from machine import Pin  # type: ignore
from dht import DHT22  # DHT22 library

# Constants
WIFI_SSID = "Wokwi-GUEST"
WIFI_PASS = ""
BASE_URL = "http://20.13.161.116:3001/"
ENDPOINT = "data"
SEND_INTERVAL = 30  # Send data every 30 seconds

# WiFi Manager Class
class WiFiManager:
    def __init__(self, ssid, password):
        self.ssid = ssid
        self.password = password
        self.wlan = network.WLAN(network.STA_IF)
        self.wlan.active(True)

    def connect(self):
        print("Connecting to Wi-Fi", end="")
        self.wlan.connect(self.ssid, self.password)
        while not self.wlan.isconnected():
            print(".", end="")
            time.sleep(0.1)
        print(" Connected!")
        print("Wi-Fi connected. IP Address:", self.wlan.ifconfig()[0])

# API Client Class
class APIClient:
    def __init__(self, base_url, endpoint):
        self.base_url = base_url
        self.endpoint = endpoint

    def send_data(self, data):
        try:
            url = f"{self.base_url}{self.endpoint}"
            response = requests.post(url, json=data)
            print("Data sent. Server response:", response.text)
            response.close()
        except Exception as e:
            print("Error sending data:", e)

# Temperature Sensor Class
class TemperatureSensor:
    def __init__(self, pin):
        self.sensor = DHT22(Pin(pin))

    def read_data(self):
        try:
            self.sensor.measure()
            temperature = self.sensor.temperature()
            humidity = self.sensor.humidity()
            return {
                "temperature": temperature,
                "humidity": humidity,
                "timestamp": time.time()
            }
        except Exception as e:
            print("Error reading sensor:", e)
            return None

# Temperature System Class
class TemperatureSystem:
    def __init__(self, wifi_manager, api_client, sensor):
        self.wifi_manager = wifi_manager
        self.api_client = api_client
        self.sensor = sensor

    def run(self):
        self.wifi_manager.connect()
        while True:
            data = self.sensor.read_data()
            if data:
                print(f"Temperature: {data['temperature']}°C, Humidity: {data['humidity']}%")
                self.api_client.send_data(data)
            time.sleep(SEND_INTERVAL)

# Main Execution
wifi_manager = WiFiManager(WIFI_SSID, WIFI_PASS)
api_client = APIClient(BASE_URL, ENDPOINT)
sensor = TemperatureSensor(4)  # GPIO4 (GP4)
temperature_system = TemperatureSystem(wifi_manager, api_client, sensor)

# Start the Temperature System
temperature_system.run()