from __future__ import annotations

import logging

logger = logging.getLogger(__name__)


class IrcStreamBuffer:

    def __init__(self):
        self._chunks: list[str] = []
        self._finished = False

    def feed(self, chunk: str) -> None:
        self._chunks.append(chunk)

    def flush(self) -> str:
        content = "".join(self._chunks)
        self._chunks.clear()
        return content

    @property
    def content(self) -> str:
        return "".join(self._chunks)

    @property
    def is_empty(self) -> bool:
        return len(self._chunks) == 0

    def mark_finished(self) -> None:
        self._finished = True

    @property
    def finished(self) -> bool:
        return self._finished