import React from "react";

interface InteractiveSystemSummaryProps {
  summary: string;
  onEntityClick: (id: string) => void;
  selectedNodeId?: string | null;
}

export const InteractiveSystemSummary: React.FC<
  InteractiveSystemSummaryProps
> = ({ summary, onEntityClick, selectedNodeId }) => {
  const parseSummary = (text: string) => {
    const regex = /[`'‘]([^`'’]+)[`'’][^()]*\(([^)]+)\)/g;
    const parts = [];
    let lastIndex = 0;
    let match;

    while ((match = regex.exec(text)) !== null) {
      if (match.index > lastIndex) {
        parts.push(text.substring(lastIndex, match.index));
      }
      const [fullMatch, name, id] = match;
      if (name && id) {
        const isSelected = selectedNodeId === id;
        parts.push(
          <a
            key={id}
            href="#"
            className={`transition-colors duration-200 ${
              isSelected
                ? "text-blue-600 bg-blue-100 dark:bg-blue-900/30 dark:text-blue-400 px-1 py-0.5 rounded font-medium underline"
                : "text-blue-500 hover:underline hover:text-blue-600"
            }`}
            onClick={(e) => {
              e.preventDefault();
              onEntityClick(id);
            }}
          >
            {name}
          </a>
        );
      } else {
        parts.push(fullMatch);
      }
      lastIndex = regex.lastIndex;
    }

    if (lastIndex < text.length) {
      parts.push(text.substring(lastIndex));
    }

    return parts;
  };

  return (
    <p className="text-sm text-muted-foreground">{parseSummary(summary)}</p>
  );
};