"""
期货智析数据库 - 独立存储
"""
from pathlib import Path
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base
from datetime import datetime

# 数据目录
DATA_DIR = Path(__file__).resolve().parent.parent / "data"
DATA_DIR.mkdir(parents=True, exist_ok=True)

ANALYSIS_DB_PATH = DATA_DIR / "futures_analysis.db"

analysis_engine = create_engine(
    f"sqlite:///{ANALYSIS_DB_PATH}",
    connect_args={"check_same_thread": False},
    pool_pre_ping=True,
)

AnalysisSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=analysis_engine)
AnalysisBase = declarative_base()


def get_analysis_db():
    """获取期货智析数据库会话"""
    db = AnalysisSessionLocal()
    try:
        yield db
    finally:
        db.close()


def init_analysis_db():
    """初始化期货智析数据库表"""
    # 确保导入所有模型类，使其注册到 AnalysisBase
    from app import analysis_models
    # 直接导入 analysis_models 模块中的所有类
    from app.analysis_models import FuturesAnalysis, WatchedSymbol, AIModelConfig, AnalysisSettings, AIAnalysisCache
    AnalysisBase.metadata.create_all(bind=analysis_engine)