// dashboard/src/components/agent/ToolCallCard.tsx
// 工具调用卡片：展示参数和结果，皆可独立折叠
import { Settings, Eye } from 'lucide-react';
import type { ColorScheme } from './constants';
import { getToolDisplayName } from './toolDisplayNames';
import { AgentMarkdown } from './AgentMarkdown';
import { useAutoScroll } from './useAutoScroll';

interface ToolCallCardProps {
  step: number;
  name: string;
  arguments: Record<string, unknown>;
  result?: { output: string; isError: boolean };
  isStreaming: boolean;
  colorScheme: ColorScheme;
  isArgsExpanded: boolean;
  isResultExpanded: boolean;
  onToggleArgs: () => void;
  onToggleResult: () => void;
}

export function ToolCallCard({
  step,
  name,
  arguments: args,
  result,
  isStreaming,
  colorScheme,
  isArgsExpanded,
  isResultExpanded,
  onToggleArgs,
  onToggleResult,
}: ToolCallCardProps) {
  const hasResult = !!result;
  const dotColor = isStreaming ? colorScheme.tool_call.active : colorScheme.tool_call.idle;
  const { chatEndRef, scrollContainerRef, handleScroll } = useAutoScroll(
    result ? [result.output] : [],
  );

  return (
    <div className="relative space-y-2 select-none">
      <div
        className={`absolute -left-[21px] top-3 w-2.5 h-2.5 rounded-full border-2 border-white ${dotColor}`}
      />
      <div className="space-y-2 border border-slate-100 bg-white rounded-md p-3 shadow-2xs">
        {/* 工具名称 */}
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-1.5 text-[10px] font-extrabold text-sky-700 tracking-wider uppercase">
            <Settings
              className={`w-3.5 h-3.5 ${hasResult ? 'text-slate-500' : 'text-sky-500 animate-spin'}`}
            />
            <span>调用工具: {getToolDisplayName(name)}</span>
            <span className="text-[9px] text-slate-400 font-mono font-medium">
              · Step {step}
            </span>
          </div>
          <button
            onClick={onToggleArgs}
            className="text-[10px] font-bold text-sky-600 hover:text-sky-800 hover:underline cursor-pointer flex items-center gap-0.5"
          >
            {isArgsExpanded ? '收起参数' : '展开参数'}
          </button>
        </div>

        {/* 参数 */}
        {isArgsExpanded && (
          <div className="font-mono text-[10px] bg-slate-50 border border-slate-200 rounded-md p-2 text-slate-650 overflow-x-auto whitespace-pre-wrap max-w-full leading-relaxed select-text">
            {JSON.stringify(args, null, 2)}
          </div>
        )}

        {/* 结果 */}
        {hasResult && (
          <div className="space-y-1.5 border-t border-slate-100 pt-2.5 mt-2.5">
            <div className="flex items-center justify-between">
              <div className="flex items-center gap-1.5 text-[10px] font-extrabold text-emerald-700 tracking-wider uppercase">
                <Eye className="w-3.5 h-3.5" />
                <span>观测与反馈 (Observation)</span>
                {result!.isError && (
                  <span className="px-1.5 py-0.2 rounded bg-rose-50 text-rose-700 border border-rose-100 text-[9px]">
                    错误返回
                  </span>
                )}
              </div>
              <button
                onClick={onToggleResult}
                className="text-[10px] font-bold text-sky-600 hover:text-sky-800 hover:underline cursor-pointer flex items-center gap-0.5"
              >
                {isResultExpanded ? '收起结果' : '展开结果'}
              </button>
            </div>
            {isResultExpanded ? (
              <div
                ref={scrollContainerRef}
                onScroll={handleScroll}
                className="text-xs bg-slate-50 border border-slate-200 rounded-md p-2.5 text-slate-700 overflow-auto select-text leading-relaxed max-h-[60vh] prose prose-sm max-w-none prose-headings:text-slate-800 prose-code:text-sky-700 prose-pre:bg-slate-100 prose-pre:text-xs prose-img:rounded-lg"
              >
                <AgentMarkdown>
                  {result!.output}
                </AgentMarkdown>
                <div ref={chatEndRef} />
              </div>
            ) : (
              <div className="text-[10px] text-slate-400 italic font-medium">
                结果已截断 (共 {result!.output.length} 字符)。点击右侧展开。
              </div>
            )}
          </div>
        )}
      </div>
    </div>
  );
}