from __future__ import annotations

from typing import Any

from app.agents.skills.registry import SkillRegistry
from app.agents.tools.types import RegisteredTool, ToolResult


def create_skill_tool() -> RegisteredTool:
    """use_skill 도구를 생성하여 반환."""

    async def execute(args: dict[str, Any]) -> ToolResult:
        skill_name: str = args["skill_name"]
        skill = SkillRegistry.get(skill_name)
        if skill is None:
            available = SkillRegistry.list_skills()
            names = [s.name for s in available]
            return ToolResult(
                data=(
                    f"스킬 '{skill_name}'을(를) 찾을 수 없습니다. "
                    f"사용 가능한 스킬: {', '.join(names) or '없음'}"
                ),
            )
        return ToolResult(data=skill.instructions)

    return RegisteredTool(
        name="use_skill",
        description=(
            "스킬을 로드하여 전문 분석 워크플로우를 실행합니다. "
            "사용 가능한 스킬 목록에서 선택하세요."
        ),
        compact_description="스킬 실행",
        execute=execute,
        concurrency_safe=True,
    )