"""
api/routes/patterns.py — Pattern management endpoints
"""

from fastapi import APIRouter, HTTPException

from api.dependencies import pattern_store

router = APIRouter()


@router.get("/patterns")
async def list_patterns(doc_type: str = None, active: bool = True):
    """List learned patterns, optionally filtered."""
    if active:
        patterns = pattern_store.get_active_patterns(doc_type=doc_type, limit=50)
        return [{"id": pid, "pattern": text} for pid, text in patterns]
    else:
        return pattern_store.get_all_patterns()


@router.delete("/patterns/{pattern_id}")
async def delete_pattern(pattern_id: str):
    """Deactivate a learned pattern."""
    pattern_store.deactivate_pattern(pattern_id)
    return {"deleted": True, "pattern_id": pattern_id}