frontend/src/components/ResponseBlock.js

import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import { Clock, Server } from 'lucide-react';
import { neonModelDisplayName, neonPersonaDisplayName } from '../utils/displayName';

export default function ResponseBlock({
  response,
  isNeonEmphasis = false,
  isComparisonEmphasis = false,
  showBadge = false,
  showModelName = true,
  showPersona = false,
  showFooterParams = true,
  showPrePromptIndicator = false,
}) {
  const personaText = response.persona_name && response.is_neon
    ? neonPersonaDisplayName(response.persona_name)
    : null;
  const displayModelName = response.is_neon
    ? neonModelDisplayName(response.model_name || response.model_id)
    : response.model_name;
  const hasHeader = showModelName || showBadge;
  const emphasisClass = isNeonEmphasis ? 'neon-emphasis' : (isComparisonEmphasis ? 'comp-emphasis' : '');

  return (
    <div className={`response-block ${emphasisClass}`}>
      {hasHeader && (
        <div className="response-header">
          <div className="response-model-info">
            {showModelName && (
              <span className="response-model-name">
                {displayModelName}
                {showPersona && personaText && (
                  <span className="response-persona-inline"> · {personaText}</span>
                )}
              </span>
            )}
          </div>
        </div>
      )}

      <div className="response-body">
        {response.error ? (
          <div className="response-error">{response.response}</div>
        ) : (
          <ReactMarkdown remarkPlugins={[remarkGfm]}>{response.response}</ReactMarkdown>
        )}
      </div>

      <div className="response-footer">
        <div className="response-timing">
          <Clock size={12} />
          {response.elapsed_seconds}s
        </div>
        {showPrePromptIndicator ? (
          <div className={`response-specs ${response.has_persona ? 'preprompt-yes' : 'preprompt-no'}`}>
            <span className="spec-value">
              {response.has_persona ? 'With pre-prompt' : 'No pre-prompt'}
            </span>
          </div>
        ) : showFooterParams ? (
          <div className="response-specs">
            <Server size={12} />
            <span className={response.params ? 'spec-value' : 'spec-placeholder'}>
              {response.params ? `Params: ${response.params}` : 'Model size: TBD'}
            </span>
          </div>
        ) : null}
      </div>

      <style>{`
        .response-block {
          border: 1px solid var(--border-primary);
          border-radius: 12px;
          background: var(--card-bg);
          box-shadow: var(--shadow-sm);
          overflow: hidden;
          display: flex;
          flex-direction: column;
          min-width: 0;
          width: 100%;
          max-width: 100%;
          flex: 1;
          transition: box-shadow 0.2s;
        }
        .response-block:hover {
          box-shadow: var(--shadow-md);
        }
        .response-block.neon-emphasis {
          border-color: var(--border-primary);
          border-left: 3px solid var(--neon-accent);
          box-shadow: var(--shadow-sm);
        }
        .response-block.neon-emphasis .response-header {
          background: var(--card-bg);
          border-bottom: 1px solid var(--border-muted);
        }
        .response-block.comp-emphasis {
          border-color: var(--border-primary);
          border-left: 3px solid var(--comp-border);
          box-shadow: var(--shadow-sm);
        }
        .response-block.comp-emphasis .response-header {
          background: var(--card-bg);
          border-bottom: 1px solid var(--border-muted);
        }
        .response-header {
          display: flex;
          align-items: center;
          justify-content: space-between;
          padding: 10px 14px;
          background: var(--card-bg);
          border-bottom: 1px solid var(--border-muted);
          gap: 8px;
        }
        .response-model-info {
          display: flex;
          align-items: center;
          gap: 8px;
          min-width: 0;
        }
        .response-model-name {
          font-size: 14px;
          font-weight: 600;
          color: var(--text-primary);
          overflow: hidden;
          text-overflow: ellipsis;
          white-space: nowrap;
        }
        .response-persona-inline {
          font-weight: 400;
          color: var(--text-muted);
          font-size: 13px;
        }
        .response-body {
          padding: 14px 16px;
          font-size: 15px;
          line-height: 1.55;
          color: var(--text-primary);
          flex: 1;
          overflow-y: auto;
          overflow-x: auto;
          max-height: 400px;
          min-width: 0;
          overflow-wrap: anywhere;
          word-break: break-word;
        }
        .response-body h1, .response-body h2, .response-body h3 {
          color: var(--text-primary);
          margin: 12px 0 6px;
        }
        .response-body h3 { font-size: 15px; }
        .response-body p { margin-bottom: 8px; }
        .response-body ul, .response-body ol {
          padding-left: 20px;
          margin-bottom: 8px;
        }
        .response-body li { margin-bottom: 4px; }
        .response-body code {
          font-size: 12px;
          padding: 1px 4px;
          border-radius: 4px;
          background: var(--bg-tertiary);
          font-family: 'Fira Code', 'Consolas', monospace;
        }
        .response-body pre {
          padding: 10px;
          border-radius: 8px;
          background: var(--bg-tertiary);
          overflow-x: auto;
          margin-bottom: 8px;
        }
        .response-body pre code {
          padding: 0;
          background: none;
        }
        .response-body strong {
          color: var(--text-primary);
          font-weight: 600;
        }
        .response-error {
          color: #EF4444;
          font-style: italic;
        }
        .response-footer {
          padding: 8px 14px;
          border-top: 1px solid var(--border-muted);
          display: flex;
          align-items: center;
          justify-content: space-between;
          font-size: 11px;
          color: var(--text-muted);
          flex-wrap: wrap;
          gap: 4px;
        }
        .response-timing {
          display: flex;
          align-items: center;
          gap: 4px;
          font-weight: 500;
        }
        .response-specs {
          display: flex;
          align-items: center;
          gap: 4px;
        }
        .spec-placeholder {
          font-style: italic;
        }
        .spec-value {
          font-weight: 500;
          color: var(--text-secondary);
        }
        .preprompt-yes .spec-value {
          color: var(--accent-primary);
          font-weight: 600;
        }
        .preprompt-no .spec-value {
          color: var(--text-muted);
          font-style: italic;
        }

        @media (max-width: 900px) {
          .response-block {
            min-width: 0;
          }
          .response-body {
            max-height: 300px;
            padding: 12px;
          }
        }
        @media (max-width: 480px) {
          .response-body {
            max-height: none;
            font-size: 13px;
            padding: 10px;
          }
          .response-header {
            padding: 8px 10px;
          }
          .response-footer {
            padding: 6px 10px;
          }
        }
      `}</style>
    </div>
  );
}