"""路径与运行配置。"""

from __future__ import annotations

import os
import re
from pathlib import Path

from dotenv import load_dotenv

BASE_DIR = Path(__file__).resolve().parent.parent
load_dotenv(BASE_DIR / ".env")

OUTPUT_DIR = Path(os.getenv("AI_IMAGE_OUTPUT_DIR") or BASE_DIR / "output")
WEB_DIR = BASE_DIR / "web"
DATA_DIR = Path(os.getenv("AI_IMAGE_DATA_DIR") or BASE_DIR / "data")
DB_PATH = Path(os.getenv("AI_IMAGE_DB") or DATA_DIR / "ai_image.db")
SECRET_PATH = DATA_DIR / "secret.key"
SKILL_PATH = BASE_DIR / "SKILL.md"

HOST = os.getenv("AI_IMAGE_HOST", "127.0.0.1")
PORT = int(os.getenv("AI_IMAGE_PORT", "8765"))

IMAGE_SUFFIXES = {".png", ".jpg", ".jpeg", ".webp"}
PROFILE_RE = re.compile(r"^[\w-]{1,64}$")


def ensure_dirs() -> None:
    OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
    DATA_DIR.mkdir(parents=True, exist_ok=True)