"""Define API routes for status."""

from fastapi import APIRouter

from app.config.settings import settings
from app.shared.bootstrap import get_document_query_service, get_vector_index
# Keep route handlers close to their transport-layer wiring for easier auditing.


router = APIRouter(prefix="/status", tags=["系统状态"])


@router.get("/stats")
async def get_stats():
    """Return stats."""
    documents = get_document_query_service().list_documents()
    indexed = sum(1 for item in documents if item.status.value == "indexed")
    failed = sum(1 for item in documents if item.status.value == "failed")
    return {
        "documents_total": len(documents),
        "documents_indexed": indexed,
        "documents_failed": failed,
        "chunks_total": sum(item.chunk_count for item in documents),
    }


@router.get("/config")
async def get_config():
    """Return config."""
    return {
        "embedding_model": settings.embedding_model,
        "embedding_dim": settings.embedding_dim,
        "embedding_base_url": settings.embedding_base_url,
        "milvus_collection": settings.milvus_collection,
        "llm_provider": settings.llm_provider,
        "llm_model": settings.llm_model,
        "document_metadata_path": settings.document_metadata_path,
    }


@router.get("/milvus/health")
async def milvus_health():
    """Handle milvus health."""
    return get_vector_index().health()