from owrx.toolbox import TextParser
from owrx.color import ColorCache
import json

import logging

logger = logging.getLogger(__name__)


class DscParser(TextParser):
    def __init__(self, service: bool = False):
        # Colors will be assigned via this cache
        self.colors = ColorCache()
        # Construct parent object
        super().__init__(filePrefix="DSC", service=service)

    def parse(self, msg: bytes):
        # Do not parse in service mode
        if self.service:
            return None
        # Expect JSON data in text form
        out = json.loads(msg)
        # Add mode name and a color to identify the sender
        out["mode"]  = "DSC"
        out["color"] = self.colors.getColor(out["src"])
        logger.debug("{0}".format(out))
        return out