"""Cursor SDK 调用（daily 包专用）。"""

from __future__ import annotations

from cursor_sdk import Agent, AgentOptions, CursorAgentError, LocalAgentOptions

from daily.config import env
from daily.cursor_bridge import cursor_cwd, warm_cursor_bridge


def cursor_chat(system: str, user: str) -> str:
    api_key = (env("CURSOR_API_KEY") or "").strip()
    if not api_key:
        return ""

    warm_cursor_bridge()
    cwd = cursor_cwd()
    model = env("CURSOR_MODEL") or "composer-2.5"
    prompt = f"{system}\n\n{user}"
    try:
        result = Agent.prompt(
            prompt,
            AgentOptions(
                api_key=api_key,
                model=model,
                local=LocalAgentOptions(cwd=cwd),
            ),
        )
    except CursorAgentError as exc:
        raise RuntimeError(f"LLM 调用失败：{exc.message}") from exc
    if result.status == "error":
        raise RuntimeError(f"LLM 调用失败：{result.result or '未知错误'}")
    return (result.result or "").strip()