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"""Strategy endpoints."""
import logging
import os
import sys
from pathlib import Path
from fastapi import APIRouter, HTTPException
# Resolve strategies directory from env or relative paths
_STRATEGIES_DIR = Path(
os.environ.get(
"STRATEGIES_DIR",
str(Path(__file__).resolve().parents[5] / "services" / "strategy-engine" / "strategies"),
)
)
# Add parent so `from strategies.base import BaseStrategy` works
if str(_STRATEGIES_DIR.parent) not in sys.path:
sys.path.insert(0, str(_STRATEGIES_DIR.parent))
# Add strategy-engine src for plugin_loader
_SE_SRC = Path(__file__).resolve().parents[5] / "services" / "strategy-engine" / "src"
if str(_SE_SRC) not in sys.path:
sys.path.insert(0, str(_SE_SRC))
logger = logging.getLogger(__name__)
router = APIRouter()
@router.get("/")
async def list_strategies():
"""List available strategies."""
try:
from strategy_engine.plugin_loader import load_strategies
strategies = load_strategies(_STRATEGIES_DIR)
return [
{
"name": s.name,
"warmup_period": s.warmup_period,
"class": type(s).__name__,
}
for s in strategies
]
except (ImportError, FileNotFoundError) as exc:
logger.error("Strategy loading error: %s", exc)
raise HTTPException(status_code=503, detail="Strategy engine unavailable")
except Exception as exc:
logger.error("Failed to list strategies: %s", exc, exc_info=True)
raise HTTPException(status_code=500, detail="Failed to list strategies")
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