import json
import re
from re import Pattern

from hardware.generic.serial_reader import SerialReader

class LoraLightSensorReader(SerialReader):

    json_pattern : Pattern = None

    def __init__(self, port, baudrate):
        super().__init__(port, baudrate)
        self.json_pattern = re.compile(r'\{.*}')

    def _read(self):
        while self._run_event.is_set():
            line = self.serial.readline().decode('utf-8', errors='ignore').strip()
            if not line:
                continue

            match = self.json_pattern.search(line)
            if match:
                try:
                    data = match.group()
                    self._notify(str(data))
                except json.JSONDecodeError:
                    print("Received invalid JSON:", match.group())