"""
Tests for Polygon/Massive Client
OrbiQuant IA Trading Platform
"""

import pytest
from datetime import datetime, timedelta
from unittest.mock import AsyncMock, MagicMock, patch
import aiohttp

from providers.polygon_client import (
    PolygonClient, AssetType, Timeframe, OHLCVBar, TickerSnapshot
)


class TestPolygonClient:
    """Test PolygonClient class."""

    def test_init_with_api_key(self):
        """Test initialization with API key."""
        client = PolygonClient(api_key="test_key")
        assert client.api_key == "test_key"
        assert client.base_url == PolygonClient.BASE_URL

    def test_init_with_massive_url(self):
        """Test initialization with Massive URL."""
        client = PolygonClient(api_key="test_key", use_massive_url=True)
        assert client.base_url == PolygonClient.MASSIVE_URL

    def test_init_without_api_key(self):
        """Test initialization without API key raises error."""
        with pytest.raises(ValueError, match="API_KEY is required"):
            PolygonClient()

    def test_format_symbol_forex(self):
        """Test formatting forex symbols."""
        client = PolygonClient(api_key="test")
        formatted = client._format_symbol("EURUSD", AssetType.FOREX)
        assert formatted == "C:EURUSD"

    def test_format_symbol_crypto(self):
        """Test formatting crypto symbols."""
        client = PolygonClient(api_key="test")
        formatted = client._format_symbol("BTCUSD", AssetType.CRYPTO)
        assert formatted == "X:BTCUSD"

    def test_format_symbol_index(self):
        """Test formatting index symbols."""
        client = PolygonClient(api_key="test")
        formatted = client._format_symbol("SPX", AssetType.INDEX)
        assert formatted == "I:SPX"

    def test_format_symbol_already_formatted(self):
        """Test formatting already formatted symbols."""
        client = PolygonClient(api_key="test")
        formatted = client._format_symbol("C:EURUSD", AssetType.FOREX)
        assert formatted == "C:EURUSD"

    @pytest.mark.asyncio
    async def test_rate_limit_wait(self):
        """Test rate limiting."""
        client = PolygonClient(api_key="test", rate_limit_per_min=2)

        # First request should not wait
        await client._rate_limit_wait()
        assert client._request_count == 1

        # Second request should not wait
        await client._rate_limit_wait()
        assert client._request_count == 2

    @pytest.mark.asyncio
    async def test_context_manager(self):
        """Test using client as context manager."""
        async with PolygonClient(api_key="test") as client:
            assert client._session is not None

    @pytest.mark.asyncio
    async def test_request_with_mock_response(self):
        """Test making API request with mock response."""
        client = PolygonClient(api_key="test")

        # Mock aiohttp session
        mock_response = AsyncMock()
        mock_response.status = 200
        mock_response.json = AsyncMock(return_value={"results": []})
        mock_response.raise_for_status = MagicMock()

        mock_session = AsyncMock()
        mock_session.get.return_value.__aenter__.return_value = mock_response

        client._session = mock_session

        result = await client._request("/test")

        assert "results" in result
        mock_session.get.assert_called_once()

    @pytest.mark.asyncio
    async def test_request_rate_limited(self):
        """Test handling rate limit response."""
        client = PolygonClient(api_key="test")

        # Mock rate limit then success
        mock_response_429 = AsyncMock()
        mock_response_429.status = 429
        mock_response_429.headers = {"Retry-After": "1"}

        mock_response_200 = AsyncMock()
        mock_response_200.status = 200
        mock_response_200.json = AsyncMock(return_value={"status": "OK"})
        mock_response_200.raise_for_status = MagicMock()

        mock_session = AsyncMock()
        mock_session.get.return_value.__aenter__.side_effect = [
            mock_response_429,
            mock_response_200
        ]

        client._session = mock_session

        with patch('asyncio.sleep', new=AsyncMock()):
            result = await client._request("/test")

        assert result["status"] == "OK"


class TestTimeframe:
    """Test Timeframe enum."""

    def test_timeframe_values(self):
        """Test timeframe enum values."""
        assert Timeframe.MINUTE_1.value == ("1", "minute")
        assert Timeframe.MINUTE_5.value == ("5", "minute")
        assert Timeframe.MINUTE_15.value == ("15", "minute")
        assert Timeframe.HOUR_1.value == ("1", "hour")
        assert Timeframe.HOUR_4.value == ("4", "hour")
        assert Timeframe.DAY_1.value == ("1", "day")


class TestAssetType:
    """Test AssetType enum."""

    def test_asset_type_values(self):
        """Test asset type enum values."""
        assert AssetType.FOREX.value == "forex"
        assert AssetType.CRYPTO.value == "crypto"
        assert AssetType.INDEX.value == "index"
        assert AssetType.FUTURES.value == "futures"
        assert AssetType.STOCK.value == "stock"


class TestOHLCVBar:
    """Test OHLCVBar dataclass."""

    def test_ohlcv_bar_creation(self):
        """Test creating OHLCV bar."""
        bar = OHLCVBar(
            timestamp=datetime.now(),
            open=1.10,
            high=1.15,
            low=1.09,
            close=1.12,
            volume=1000000,
            vwap=1.11,
            transactions=1500
        )

        assert bar.open == 1.10
        assert bar.close == 1.12
        assert bar.volume == 1000000


class TestTickerSnapshot:
    """Test TickerSnapshot dataclass."""

    def test_ticker_snapshot_creation(self):
        """Test creating ticker snapshot."""
        snapshot = TickerSnapshot(
            symbol="EURUSD",
            bid=1.1000,
            ask=1.1002,
            last_price=1.1001,
            timestamp=datetime.now(),
            daily_high=1.1050,
            daily_low=1.0950
        )

        assert snapshot.symbol == "EURUSD"
        assert snapshot.bid == 1.1000
        assert snapshot.ask == 1.1002


if __name__ == "__main__":
    pytest.main([__file__, "-v"])