"""
Data source configuration
"""

import os


class MetaDataSourceConfig(type):
    @property
    def DEFAULT_TIMEOUT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("data_source", {}).get("timeout")
        return int(val) if val is not None else int(os.getenv("DATA_SOURCE_TIMEOUT", 30))

    @property
    def RETRY_COUNT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("data_source", {}).get("retry_count")
        return int(val) if val is not None else int(os.getenv("DATA_SOURCE_RETRY", 3))

    @property
    def RETRY_BACKOFF(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("data_source", {}).get("retry_backoff")
        return float(val) if val is not None else float(os.getenv("DATA_SOURCE_RETRY_BACKOFF", 0.5))


class DataSourceConfig(metaclass=MetaDataSourceConfig):
    """General data source configuration."""

    pass


class MetaFinnhubConfig(type):
    @property
    def BASE_URL(cls):
        return "https://finnhub.io/api/v1"

    @property
    def TIMEOUT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("finnhub", {}).get("timeout")
        return int(val) if val is not None else int(os.getenv("FINNHUB_TIMEOUT", 10))

    @property
    def RATE_LIMIT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("finnhub", {}).get("rate_limit")
        return int(val) if val is not None else int(os.getenv("FINNHUB_RATE_LIMIT", 60))

    @property
    def RATE_LIMIT_PERIOD(cls):
        return 60


class FinnhubConfig(metaclass=MetaFinnhubConfig):
    """Finnhub data source configuration"""


class MetaTiingoConfig(type):
    @property
    def BASE_URL(cls):
        return "https://api.tiingo.com/tiingo"

    @property
    def TIMEOUT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("tiingo", {}).get("timeout")
        return int(val) if val is not None else int(os.getenv("TIINGO_TIMEOUT", 10))


class TiingoConfig(metaclass=MetaTiingoConfig):
    """Tiingo data source configuration"""


class MetaYFinanceConfig(type):
    @property
    def TIMEOUT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("yfinance", {}).get("timeout")
        return int(val) if val is not None else int(os.getenv("YFINANCE_TIMEOUT", 30))

    @property
    def INTERVAL_MAP(cls):
        return {"1m": "1m", "5m": "5m", "15m": "15m", "30m": "30m", "1H": "1h", "4H": "4h", "1D": "1d", "1W": "1wk"}


class YFinanceConfig(metaclass=MetaYFinanceConfig):
    """Yahoo Finance data source configuration"""


class MetaCCXTConfig(type):
    @property
    def DEFAULT_EXCHANGE(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("ccxt", {}).get("default_exchange")
        return val if val else os.getenv("CCXT_DEFAULT_EXCHANGE", "binance")

    @property
    def TIMEOUT(cls):
        from app.utils.config_loader import load_addon_config

        val = load_addon_config().get("ccxt", {}).get("timeout")
        return int(val) if val is not None else int(os.getenv("CCXT_TIMEOUT", 10000))

    @property
    def ENABLE_RATE_LIMIT(cls):
        return True

    @property
    def TIMEFRAME_MAP(cls):
        return {"1m": "1m", "5m": "5m", "15m": "15m", "30m": "30m", "1H": "1h", "4H": "4h", "1D": "1d", "1W": "1w"}

    @property
    def PROXY(cls):
        # 1) Local proxy helpers from backend_api_python/.env
        # PROXY_URL has the highest priority if provided.
        proxy_url = (os.getenv("PROXY_URL") or "").strip()
        if proxy_url:
            return proxy_url

        # 2) Standard proxy envs (fallback)
        for key in ["HTTPS_PROXY", "HTTP_PROXY", "ALL_PROXY"]:
            v = (os.getenv(key) or "").strip()
            if v:
                return v

        return ""


class CCXTConfig(metaclass=MetaCCXTConfig):
    """CCXT cryptocurrency data source configuration."""

    pass