"""Central configuration for the ChatFast backend."""

from pathlib import Path
import os
from urllib.parse import quote_plus

BASE_DIR = Path(__file__).resolve().parent.parent
DATA_DIR = BASE_DIR / "data"
BACKUP_DIR = BASE_DIR / "data_bak"
BLOG_DIR = BASE_DIR / "blog"
UPLOAD_DIR = BASE_DIR / "uploads"
STATIC_DIR = BASE_DIR / "static"

MYSQL_HOST = os.getenv("CHATFAST_DB_HOST", "127.0.0.1")
MYSQL_PORT = int(os.getenv("CHATFAST_DB_PORT", "3306"))
MYSQL_USER = os.getenv("CHATFAST_DB_USER", "root")
MYSQL_PASSWORD = os.getenv("CHATFAST_DB_PASSWORD", "792199Zhao*")
DATABASE_NAME = os.getenv("CHATFAST_DB_NAME", "chat_fast")
ENCODED_PASSWORD = quote_plus(MYSQL_PASSWORD)
RAW_DATABASE_URL = (
    f"mysql+pymysql://{MYSQL_USER}:{ENCODED_PASSWORD}@{MYSQL_HOST}:{MYSQL_PORT}/?charset=utf8mb4"
)
DATABASE_URL = (
    f"mysql+pymysql://{MYSQL_USER}:{ENCODED_PASSWORD}@{MYSQL_HOST}:{MYSQL_PORT}/{DATABASE_NAME}?charset=utf8mb4"
)

TOKEN_TTL_HOURS = int(os.getenv("CHATFAST_TOKEN_TTL_HOURS", "72"))
DEFAULT_ADMIN_USERNAME = os.getenv("CHATFAST_DEFAULT_ADMIN", "admin")
DEFAULT_ADMIN_PASSWORD = os.getenv("CHATFAST_DEFAULT_ADMIN_PASSWORD", "Admin@123")

# 默认上传文件下载地址，可通过环境变量覆盖
DEFAULT_UPLOAD_BASE = os.getenv("UPLOAD_BASE_URL", "/download/")
DOWNLOAD_BASE = DEFAULT_UPLOAD_BASE.rstrip("/") if DEFAULT_UPLOAD_BASE else ""

# 模型配置
default_key = "sk-re2NlaKIQn11ZNWzAbB6339cEbF94c6aAfC8B7Ab82879bEa"
MODEL_KEYS = {
    "grok-3": default_key,
    "grok-4": default_key,
    "gpt-5.1-2025-11-13": default_key,
    "gpt-5-2025-08-07": default_key,
    "gpt-4o-mini": default_key,
    "o1-mini": default_key,
    "o4-mini": default_key,
    "deepseek-v3": default_key,
    "deepseek-r1": default_key,
    "gpt-4o-all": default_key,
    "o3-mini-all": default_key,
}
API_URL = "https://yunwu.ai/v1"