import json
from helpers import format_error, log
from api import api_list_issues
import httpx


def issue_list_tool(repo: str, state: str = "open") -> str:
    try:
        items = api_list_issues(
            repo,
            state if state in ("open", "closed", "all") else None
        )
        return json.dumps(
            {
                "status": "success",
                "count": len(items),
                "items": items
            },
            ensure_ascii=False
        )
    except httpx.HTTPStatusError as e:
        return format_error("Issues list failed", e)
    except Exception as e:
        log.exception("Unexpected error while listing issues")
        return f"{e}"