"""Configurarea aplicatiei (variabile de mediu, fara secrete in cod)."""
from __future__ import annotations

import os
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent.parent

# Cheia folosita cand nu exista CANTARIRE_SECRET_KEY; NU se foloseste in productie.
DEV_SECRET_KEY = "dev-only-change-me"


def _env_flag(name: str, default: bool = False) -> bool:
    value = os.environ.get(name)
    if value is None:
        return default
    return value.strip().lower() in {"1", "true", "yes", "on"}


class Config:
    # Flask
    SECRET_KEY = os.environ.get("CANTARIRE_SECRET_KEY", DEV_SECRET_KEY)
    MAX_CONTENT_LENGTH = 2 * 1024 * 1024

    # Date de rulare: baza SQLite, bridge.json, jurnale de etichete
    INSTANCE_DIR = Path(os.environ.get("CANTARIRE_INSTANCE", BASE_DIR / "instance"))
    DATABASE = INSTANCE_DIR / "cantarire.db"
    BRIDGE_CONFIG = Path(os.environ.get("CANTARIRE_BRIDGE_CONFIG", INSTANCE_DIR / "bridge.json"))

    # CANTARIRE_SIMULATE="mahak_mds,toledo_cont:4800:7E1" porneste cantoare simulate
    SIMULATE = os.environ.get("CANTARIRE_SIMULATE", "").strip()

    # Cat de proaspata / cat de mult asteptam o citire de la cantar
    WEIGHT_MAX_AGE_MS = int(os.environ.get("CANTARIRE_MAX_AGE_MS", "1500"))
    WEIGHT_WAIT_MS = int(os.environ.get("CANTARIRE_WAIT_MS", "2500"))

    # Printarea automata din browser (plugin extern); se poate dezactiva global
    AUTO_PRINT = _env_flag("CANTARIRE_AUTO_PRINT", True)

    JSON_AS_ASCII = False