"""FastAPI routes for the tool manifest registry."""

from __future__ import annotations

from fastapi import APIRouter, HTTPException, status

from app.tools.models import ToolManifest
from app.tools.registry import registry

router = APIRouter(prefix="/tools", tags=["tools"])


@router.get("", response_model=list[ToolManifest])
def list_tools() -> list[ToolManifest]:
    return registry.list()


@router.get("/{tool_id}", response_model=ToolManifest)
def get_tool(tool_id: str) -> ToolManifest:
    manifest = registry.get(tool_id)
    if manifest is None:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=f"Tool '{tool_id}' not found",
        )
    return manifest


@router.post("", response_model=ToolManifest, status_code=status.HTTP_201_CREATED)
def create_tool(manifest: ToolManifest) -> ToolManifest:
    if registry.get(manifest.id) is not None:
        raise HTTPException(
            status_code=status.HTTP_409_CONFLICT,
            detail=f"Tool '{manifest.id}' already exists",
        )
    registry.register(manifest)
    return manifest