"""
Formatting helpers: convert biomcp output into Gradio-friendly display.
"""

import json
import re


def _strip_suggested_commands(md: str) -> str:
    """Remove the '## Suggested Commands' section from markdown output."""
    return re.split(r"\n##\s+Suggested Commands", md, maxsplit=1)[0].rstrip()


def format_result(result: dict) -> tuple[str, str]:
    """
    Format a runner result into (markdown_display, json_display).
    Returns two strings suitable for gr.Markdown and gr.Code components.
    """
    if not result["success"]:
        error_md = f"⚠️ **Error:** {result['error']}"
        return error_md, json.dumps({"error": result["error"]}, indent=2)

    # Markdown display
    md = _strip_suggested_commands(result["markdown"])

    # JSON display
    if result["data"] is not None:
        json_str = json.dumps(result["data"], indent=2, default=str)
    else:
        json_str = ""

    return md, json_str