"""
模型管理和推理工具
"""
import httpx
from agent import tool, ToolResult

BASE_URL = "http://localhost:8100/api/agent"

@tool(description="查询已部署和可部署的模型列表")
async def list_models() -> ToolResult:
    """获取模型列表，包含已部署和可用模型的元数据"""
    async with httpx.AsyncClient(trust_env=False) as client:
        response = await client.get(f"{BASE_URL}/models", timeout=30.0)
        response.raise_for_status()
        return ToolResult(title="模型列表", output=response.text)

@tool(description="部署指定模型到 GPU")
async def deploy_model(model_id: str, epoch: int = None) -> ToolResult:
    """部署模型

    Args:
        model_id: 模型唯一标识符
        epoch: 可选的 checkpoint epoch
    """
    data = {"model_id": model_id}
    if epoch is not None:
        data["epoch"] = epoch

    async with httpx.AsyncClient(trust_env=False) as client:
        response = await client.post(f"{BASE_URL}/deploy", json=data, timeout=30.0)
        response.raise_for_status()
        return ToolResult(title="部署结果", output=response.text)

@tool(description="向已部署的模型发送查询并获取响应")
async def inference(model_id: str, query: str, temperature: float = 0.7) -> ToolResult:
    """模型推理

    Args:
        model_id: 已部署的模型标识符
        query: 推理查询内容
        temperature: 温度参数，范围 0.0-1.0，默认 0.7
    """
    data = {
        "model_id": model_id,
        "query": query,
        "temperature": temperature
    }

    async with httpx.AsyncClient(trust_env=False) as client:
        response = await client.post(f"{BASE_URL}/inference", json=data, timeout=120.0)
        response.raise_for_status()
        return ToolResult(title="推理结果", output=response.text)