import logging
import os
from datetime import datetime

from config import config

logger = logging.getLogger(__name__)


def _sanitize_filename(name: str) -> str:
    if not name:
        return "untitled"
    invalid = '<>:"/\\|?*'
    for char in invalid:
        name = name.replace(char, "")
    name = name.replace(" ", "_").strip("._")
    return name or "untitled"


class RawMeetingStore:
    def __init__(self):
        self.raw_dir = config.storage.raw_dir
        os.makedirs(self.raw_dir, exist_ok=True)

    def save(self, text: str, title: str = "", date: str = "") -> str:
        date_str = date or datetime.now().strftime("%Y-%m-%d")
        safe_title = _sanitize_filename(title)[:60]
        filename = f"{date_str}_{safe_title}.md"
        filepath = os.path.join(self.raw_dir, filename)

        content = "\n".join(
            [
                "---",
                f'title: "{title}"',
                f'date: "{date_str}"',
                "status: archived",
                "---",
                "",
                f"# {title or 'Untitled Meeting'}",
                "",
                text,
                "",
            ]
        )
        with open(filepath, "w", encoding="utf-8") as f:
            f.write(content)

        logger.info("Saved raw meeting text: %s", filepath)
        return filepath


raw_meeting_store = RawMeetingStore()