"""
应用配置
"""
import os

class Config:
    # Flask 配置
    SECRET_KEY = os.environ.get('SECRET_KEY', 'stock-app-secret-key-2026')
    
    # 数据库配置
    DB_HOST = os.environ.get('DB_HOST', 'localhost')
    DB_PORT = int(os.environ.get('DB_PORT', 5432))
    DB_NAME = os.environ.get('DB_NAME', 'stock_app')
    DB_USER = os.environ.get('DB_USER', 'postgres')
    DB_PASSWORD = os.environ.get('DB_PASSWORD', '')
    
    # 文件路径
    BASE_DIR = os.path.dirname(os.path.abspath(__file__))
    STOCK_DATA_CACHE_DIR = os.path.join(BASE_DIR, 'stock_data_cache')
    STOCK_NAME_CACHE_FILE = os.path.join(BASE_DIR, 'stock_names.json')
    TRADES_FILE = os.path.join(BASE_DIR, 'trades.json')
    WATCHLIST_FILE = os.path.join(BASE_DIR, 'watchlist.json')
    ALERTS_CACHE_FILE = os.path.join(BASE_DIR, 'alerts_cache.json')
    
    # 阿里云K线API
    ALICLOUD_APPCODE = os.environ.get('ALICLOUD_APPCODE', '50528b6544ac4234a8ccb5c9f2c01607')
    ALICLOUD_KLINE_URL = 'https://jmqqgphqcx.market.alicloudapi.com/finance/a-shares-kline'
    
    # 服务端口
    PORT = int(os.environ.get('PORT', 3333))
    
    # 确保缓存目录存在
    @classmethod
    def init_app(cls):
        if not os.path.exists(cls.STOCK_DATA_CACHE_DIR):
            os.makedirs(cls.STOCK_DATA_CACHE_DIR)