import struct
import time
from server.telemetry.data import TelemetryData


def get_parser():
    return IRacingParser()


class IRacingParser:
    def game_id(self) -> str:
        return "iracing"

    def parse(self, data: bytes, addr: tuple) -> TelemetryData:
        td = TelemetryData(game_id="iracing", timestamp=time.time())
        td.raw = {"raw_hex": data.hex(), "length": len(data), "addr": f"{addr[0]}:{addr[1]}"}

        if len(data) < 100:
            return td

        try:
            td.speed_mph = struct.unpack_from("<f", data, 36)[0]
            td.speed_kmh = td.speed_mph * 1.60934
            td.rpm = struct.unpack_from("<f", data, 48)[0]
            td.gear = struct.unpack_from("<i", data, 56)[0]
            td.throttle = struct.unpack_from("<f", data, 4)[0]
            td.brake = struct.unpack_from("<f", data, 8)[0]
            td.steering = struct.unpack_from("<f", data, 0)[0]
        except struct.error:
            pass

        return td