__all__ = (
    "CommandError",
    "CommandExecutor",
)


import logging
import subprocess
from pathlib import Path

logger = logging.getLogger("command")


class CommandError(RuntimeError):
    @property
    def output(self):
        return self.args[0].decode("utf-8").strip()


class CommandExecutor:
    _logger = logger

    def __init__(self, command: str) -> None:
        self._command = command

    def run(self, basepath: Path):
        self._logger.debug(self._command)
        result = subprocess.run(
            self._command.split(" "),
            cwd=basepath,
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
        )
        self._logstd(result.stdout, logging.TRACE)
        self._logstd(result.stderr, logging.TRACE)
        if result.returncode != 0:
            raise CommandError(result.stderr)

    @classmethod
    def _logstd(cls, data: bytes, level: int):
        if data:
            output = data.decode("utf-8").strip()
            cls._logger.log(level, f"\n{output}\n")