# modules/common/settings.py
import os

class ConfigView:
    """Unified read: ENV first, then optional bot.config['DEFAULT'], then fallback."""
    def __init__(self, bot):
        self._env = os.environ
        self._default = {}
        try:
            self._default = getattr(bot, "config", {}).get("DEFAULT", {}) or {}
        except Exception:
            pass

    def get(self, key: str, default: str = "") -> str:
        v = self._env.get(key.upper(), "")
        if not v:
            v = self._default.get(key, "")
        v = (v or "").strip().strip('"').strip("'")
        return v if v else default

    def int(self, key: str, default: int = 0) -> int:
        try:
            return int(self.get(key, ""))
        except Exception:
            return default

    def bool(self, key: str, default: bool = False) -> bool:
        v = self.get(key, "")
        if not v:
            return default
        return v.lower() in ("1", "true", "yes", "on")

def cfg(bot) -> ConfigView:
    return ConfigView(bot)