"""
Configuration settings for Signal Generation System
Pure API mode - no Redis dependency
"""
from typing import List
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Application settings with validation"""

    model_config = SettingsConfigDict(
        env_file=".env",
        case_sensitive=True,
        extra="ignore"  # Ignore extra fields from environment
    )

    # Symbol Configuration - 支持多币种
    SYMBOLS: str = "BTCUSDT,ETHUSDT"  # 逗号分隔的交易对列表
    SYMBOL: str = "BTCUSDT"  # 向后兼容，默认主币种

    @property
    def symbols_list(self) -> List[str]:
        """解析币种列表"""
        return [s.strip().upper() for s in self.SYMBOLS.split(',') if s.strip()]

    # Binance API Configuration
    BINANCE_API_BASE_URL: str = "https://fapi.binance.com"

    # Kline intervals for multi-timeframe analysis
    KLINE_INTERVALS: str = "5m,15m,1h,4h"

    @property
    def kline_intervals_list(self) -> list:
        """Parse kline intervals from comma-separated string"""
        return [interval.strip() for interval in self.KLINE_INTERVALS.split(',')]

    # Monitoring
    LOG_LEVEL: str = "INFO"

    # Profit filter - 不同周期的最低盈利要求
    MIN_PROFIT_PCT_SHORT: float = 1.0   # 短周期 (5m/15m/1h) 最低 1%
    MIN_PROFIT_PCT_MEDIUM: float = 2.0  # 中周期 (4h/1d) 最低 2%
    MIN_PROFIT_PCT_LONG: float = 5.0    # 长周期 (1d/1w) 最低 5%

    # 向后兼容
    MIN_PROFIT_PCT: float = 1.0
    PREFER_INTRADAY: bool = True


settings = Settings()