"""
Tiingo provider for stocks, crypto, and news data.

Tiingo offers high-quality financial data with news sentiment.
Free tier: 500 API calls/hour, 1000/day

Get your free API key: https://www.tiingo.com/account/api/token
No credit card required!

API Docs: https://www.tiingo.com/documentation/general/overview
"""

import requests
from typing import Optional, List
from datetime import datetime, date
from wrdata.providers.base import BaseProvider
from wrdata.models.schemas import (
    DataResponse,
    OptionsChainRequest,
    OptionsChainResponse,
)


class TiingoProvider(BaseProvider):
    """
    Tiingo provider for stocks, crypto, and news.

    Free tier includes:
    - 500 API calls/hour
    - 1,000 API calls/day
    - Stocks (US & International)
    - Cryptocurrency
    - News with sentiment analysis
    """

    def __init__(self, api_key: Optional[str] = None):
        super().__init__(name="tiingo", api_key=api_key)

        if not api_key:
            raise ValueError(
                "Tiingo API key required. "
                "Get FREE key at: https://www.tiingo.com/account/api/token\n"
                "Free tier: 500/hour, 1000/day"
            )

        self.base_url = "https://api.tiingo.com"
        self.headers = {
            "Content-Type": "application/json",
            "Authorization": f"Token {self.api_key}",
        }

    def fetch_timeseries(
        self,
        symbol: str,
        start_date: str,
        end_date: str,
        interval: str = "1d",
        **kwargs,
    ) -> DataResponse:
        """Fetch historical stock data from Tiingo."""
        try:
            symbol = symbol.upper()

            # Build URL
            url = f"{self.base_url}/tiingo/daily/{symbol}/prices"

            params = {"startDate": start_date, "endDate": end_date, "format": "json"}

            response = requests.get(
                url, headers=self.headers, params=params, timeout=30
            )
            response.raise_for_status()
            data = response.json()

            if not data:
                return DataResponse(
                    symbol=symbol,
                    provider=self.name,
                    data=[],
                    success=False,
                    error=f"No data for {symbol}",
                )

            records = []
            for bar in data:
                records.append(
                    {
                        "Date": bar.get("date", "")[:10],
                        "open": float(bar.get("open", 0)),
                        "high": float(bar.get("high", 0)),
                        "low": float(bar.get("low", 0)),
                        "close": float(bar.get("close", 0)),
                        "volume": int(bar.get("volume", 0)),
                    }
                )

            return DataResponse(
                symbol=symbol,
                provider=self.name,
                data=records,
                metadata={
                    "interval": interval,
                    "records": len(records),
                    "source": "Tiingo",
                },
                success=True,
            )

        except Exception as e:
            return DataResponse(
                symbol=symbol,
                provider=self.name,
                data=[],
                success=False,
                error=f"Tiingo error: {str(e)}",
            )

    def fetch_options_chain(self, request: OptionsChainRequest) -> OptionsChainResponse:
        """Tiingo does not support options."""
        return OptionsChainResponse(
            symbol=request.symbol,
            provider=self.name,
            snapshot_timestamp=datetime.utcnow(),
            success=False,
            error="Tiingo does not provide options data",
        )

    def get_available_expirations(self, symbol: str) -> List[date]:
        return []

    def validate_connection(self) -> bool:
        try:
            url = f"{self.base_url}/tiingo/daily/aapl"
            response = requests.get(url, headers=self.headers, timeout=5)
            return response.status_code == 200
        except:
            return False

    def supports_historical_options(self) -> bool:
        return False
