# Copyright (c) 2025-2026 马建军. All rights reserved.

"""Repository layout paths — single source for config, data, uploads."""

from __future__ import annotations

import os
from pathlib import Path

# .../qihuo/modules/core/paths.py -> repo root
ROOT = Path(__file__).resolve().parents[2]

CONFIG_DIR = ROOT / "config"
ENV_FILE = CONFIG_DIR / ".env"
LEGACY_ENV_FILE = ROOT / ".env"

DATA_DIR = ROOT / "data"
UPLOADS_DIR = ROOT / "uploads"
LOGS_DIR = ROOT / "logs"

DB_PATH = str(ROOT / "futures.db")


def ensure_runtime_dirs() -> None:
    DATA_DIR.mkdir(parents=True, exist_ok=True)
    UPLOADS_DIR.mkdir(parents=True, exist_ok=True)
    LOGS_DIR.mkdir(parents=True, exist_ok=True)
    CONFIG_DIR.mkdir(parents=True, exist_ok=True)


def resolve_env_file() -> str:
    """Prefer config/.env, fall back to legacy root .env."""
    if ENV_FILE.is_file():
        return str(ENV_FILE)
    if LEGACY_ENV_FILE.is_file():
        return str(LEGACY_ENV_FILE)
    return str(ENV_FILE)