"""Global application settings loaded from environment variables."""

from typing import List

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application configuration powered by pydantic-settings.

    Values are loaded from environment variables or a .env file.
    """

    # -- Exchange --
    EXCHANGE_ID: str = "binance"
    API_KEY: str = ""
    API_SECRET: str = ""
    SANDBOX_MODE: bool = True

    # -- Trading --
    TRADING_PAIRS: List[str] = ["BTC/USDT", "ETH/USDT"]
    DEFAULT_LEVERAGE: int = 1
    MAX_LEVERAGE: int = 3

    # -- ICT Parameters --
    SWING_LENGTH: int = 50
    FVG_JOIN_CONSECUTIVE: bool = False
    OB_CLOSE_MITIGATION: bool = False
    LIQUIDITY_RANGE_PERCENT: float = 0.01
    MIN_CONFLUENCE_SCORE: int = 3

    # -- Timeframes --
    HTF_TIMEFRAME: str = "4h"
    MTF_TIMEFRAME: str = "1h"
    LTF_TIMEFRAME: str = "15m"

    # -- Risk Management --
    MAX_RISK_PER_TRADE: float = 0.02
    MAX_DAILY_LOSS: float = 0.05
    MAX_CONCURRENT_POSITIONS: int = 3
    MAX_DRAWDOWN: float = 0.15

    # -- Notification --
    TELEGRAM_BOT_TOKEN: str = ""
    TELEGRAM_CHAT_ID: str = ""

    # -- Database --
    DB_PATH: str = "data/trading.db"

    # -- Logging --
    LOG_LEVEL: str = "INFO"
    LOG_FILE: str = "logs/bot.log"

    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}