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


def pr_open_tool(
    repo: str,
    title: str,
    head: str,
    base: str,
    body: str = ""
) -> str:
    try:
        pr = api_open_pr(
            repo,
            title=title,
            head=head,
            base=base,
            body=body
        )
        return json.dumps(
            {
                "status": "success",
                "pr": pr
            },
            ensure_ascii=False
        )
    except httpx.HTTPStatusError as e:
        return format_error("PR open failed", e)
    except Exception as e:
        log.exception("Unexpected error while opening PR")
        return f"{e}"