import React from 'react';
import { getUIMode, useUIMode } from '../services/uiModeService';
import type { RibbonBarProps, RibbonTab } from '../types/ui.types';
import { pluginRegistry } from '../plugins';
import { V2_TOOLS_ENABLED } from '../kernel/featureFlags';

const tabs: Array<{ id: RibbonTab; label: string; svg: React.ReactNode }> = [
  { id: 'start', label: 'Start', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg> },
  { id: 'insert', label: 'Einfügen', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><line x1="12" y1="8" x2="12" y2="16"/><line x1="8" y1="12" x2="16" y2="12"/></svg> },
  { id: 'format', label: 'Format', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M4 7V4h16v3"/><path d="M9 20h6"/><path d="M12 4v16"/></svg> },
  { id: 'view', label: 'Ansicht', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M2 12s3-7 10-7 10 7 10 7-3 7-10 7-10-7-10-7z"/><circle cx="12" cy="12" r="3"/></svg> },
  { id: 'canvas', label: 'Zeichenfläche', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><path d="M3 9h18"/><path d="M9 3v18"/></svg> },
  { id: 'tools', label: 'Extras', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z"/></svg> },
  { id: 'ki', label: 'KI', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 8V4H8"/><rect width="16" height="12" x="4" y="8" rx="2"/><path d="M2 14h2"/><path d="M20 14h2"/><path d="M15 13v2"/><path d="M9 13v2"/></svg> },
];

const RibbonBar: React.FC<RibbonBarProps> = ({
  activeTab, onTabChange, onAction,
  canvasBgColor = '#1e1e2e', gridColor = '#3a3a4a', rulerEnabled = true,
  onCanvasBgColorChange, onGridColorChange, onToggleRuler,
  onIsV2ToolActive,
}) => {
  const uiMode = useUIMode();

  return (
    <nav className="ribbon" role="navigation" aria-label="Hauptwerkzeuge">
      <div className="ribbon-tabs" role="tablist">
        {tabs.map((tab) => (
          <button
            key={tab.id}
            className={`ribbon-tab${activeTab === tab.id ? ' active' : ''}`}
            role="tab"
            aria-selected={activeTab === tab.id}
            data-tab={tab.id}
            style={tab.id === 'ki' ? { color: 'var(--color-ki)' } : undefined}
            onClick={() => onTabChange(tab.id)}
          >
            {tab.svg}
            <span>{tab.label}</span>
          </button>
        ))}
      </div>

      <div className="ribbon-content" id="ribbon-content">
        {/* ===== V2 TOOLS (Task A4.13/A4.14: Standard aktiv — Opt-out via VITE_TOOL_DISPATCHER=legacy) ===== */}
        {activeTab === 'canvas' && V2_TOOLS_ENABLED && (
          <div style={{
            display: 'flex', flexWrap: 'wrap', gap: '6px', alignItems: 'center',
            padding: '8px 4px', width: '100%',
            borderBottom: '1px solid var(--color-border, #333)', marginBottom: '8px',
          }}>
            <span style={{ fontSize: '11px', color: 'var(--color-ki, #8a8aff)', marginRight: '4px' }}>V2:</span>
            {pluginRegistry.getToolsV2()
              .filter((tool) => uiMode === 'pro' || (tool.manifest.tags ?? []).includes('basic'))
              .map((tool) => {
              const isActive = onIsV2ToolActive?.(tool.manifest.id);
              return (
                <button
                  key={tool.manifest.id}
                  data-v2tool={tool.manifest.id}
                  title={tool.manifest.description ?? tool.manifest.label}
                  onClick={() => onAction(`v2tool:${tool.manifest.id}`)}
                  style={{
                    display: 'flex', alignItems: 'center', gap: '4px',
                    padding: '5px 9px', borderRadius: '4px', fontSize: '12px',
                    cursor: 'pointer', border: '1px solid var(--color-border, #333)',
                    background: isActive ? 'rgba(80,250,123,0.15)' : 'var(--color-bg-secondary, #2a2a3a)',
                    color: isActive ? '#50fa7b' : 'inherit',
                    fontWeight: isActive ? 600 : 400,
                  }}
                >
                  <span style={{ fontFamily: 'monospace' }}>{tool.manifest.icon}</span>
                  <span>{tool.manifest.label}</span>
                </button>
              );
            })}
          </div>
        )}
        {/* ===== START TAB ===== */}
        {activeTab === 'start' && (
          <>
            <div className="ribbon-group compact-mobile" data-ribbon-group="start">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Neues Projekt (Strg+N)" onClick={() => onAction('new')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="9" y1="15" x2="15" y2="15"/></svg>
                  <span>Neu</span>
                </button>
                <button className="ribbon-btn" title="Öffnen (Strg+O)" onClick={() => onAction('open')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h7a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/></svg>
                  <span>Öffnen</span>
                </button>
                <button className="ribbon-btn" title="Speichern (Strg+S)" onClick={() => onAction('save')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/><polyline points="17 21 17 13 7 13 7 21"/><polyline points="7 3 7 8 15 8"/></svg>
                  <span>Speichern</span>
                </button>
                <button className="ribbon-btn" title="Datei importieren (DXF, SVG, JSON)" onClick={() => onAction('import')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
                  <span>Import</span>
                </button>
                <button className="ribbon-btn" title="Export als (DXF, SVG, PDF, PNG, JSON)" onClick={() => onAction('export')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
                  <span>Export</span>
                </button>
              </div>
              <div className="ribbon-group-label">Datei</div>
            </div>

            <div className="ribbon-divider"></div>

            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Rückgängig (Strg+Z)" onClick={() => onAction('undo')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 7v6h6"/><path d="M21 17a9 9 0 0 0-15-6.7L3 13"/></svg>
                  <span>Undo</span>
                </button>
                <button className="ribbon-btn" title="Wiederherstellen (Strg+Y)" onClick={() => onAction('redo')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 7v6h-6"/><path d="M3 17a9 9 0 0 1 15-6.7L21 13"/></svg>
                  <span>Redo</span>
                </button>
                <button className="ribbon-btn" title="Kopieren (Strg+C)" onClick={() => onAction('copy')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="9" y="9" width="13" height="13" rx="2"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/></svg>
                  <span>Kopieren</span>
                </button>
                <button className="ribbon-btn" title="Einfügen (Strg+V)" onClick={() => onAction('paste')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"/><rect x="8" y="2" width="8" height="4" rx="1"/></svg>
                  <span>Einfügen</span>
                </button>
                <button className="ribbon-btn" title="Gruppieren (G)" onClick={() => onAction('group')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="7" height="7" rx="1"/><rect x="14" y="14" width="7" height="7" rx="1"/><path d="M10 10l4 4"/></svg>
                  <span>Gruppieren</span>
                </button>
                <button className="ribbon-btn" title="Degruppieren (Strg+G)" onClick={() => onAction('ungroup')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="7" height="7" rx="1" strokeDasharray="2 2"/><rect x="14" y="14" width="7" height="7" rx="1" strokeDasharray="2 2"/><path d="M10 10l4 4" strokeDasharray="2 2"/></svg>
                  <span>Degruppieren</span>
                </button>
              </div>
              <div className="ribbon-group-label">Bearbeiten</div>
            </div>
          </>
        )}

        {/* ===== INSERT TAB ===== */}
        {activeTab === 'insert' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Linie zeichnen" onClick={() => onAction('insert-line')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="5" y1="19" x2="19" y2="5"/></svg>
                  <span>Linie</span>
                </button>
                <button className="ribbon-btn" title="Rechteck zeichnen" onClick={() => onAction('insert-rect')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="5" width="18" height="14" rx="1"/></svg>
                  <span>Rechteck</span>
                </button>
                <button className="ribbon-btn" title="Kreis zeichnen" onClick={() => onAction('insert-circle')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="9"/></svg>
                  <span>Kreis</span>
                </button>
                <button className="ribbon-btn" title="Text einfügen" onClick={() => onAction('insert-text')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="4 7 4 4 20 4 20 7"/><line x1="9" y1="20" x2="15" y2="20"/><line x1="12" y1="4" x2="12" y2="20"/></svg>
                  <span>Text</span>
                </button>
                <button className="ribbon-btn" title="Freihand zeichnen" onClick={() => onAction('insert-freehand')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 17s5-5 9-5 9 5 9 5"/><path d="M3 12s5-5 9-5 9 5 9 5"/></svg>
                  <span>Freihand</span>
                </button>
              </div>
              <div className="ribbon-group-label">Formen</div>
            </div>

            <div className="ribbon-divider"></div>

            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Hintergrund importieren" onClick={() => onAction('background-import')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="9" cy="9" r="2"/><path d="m21 15-3.086-3.086a2 2 0 0 0-2.828 0L6 21"/></svg>
                  <span>Hintergrund</span>
                </button>
                <button className="ribbon-btn" title="Bild einfügen" onClick={() => onAction('insert-image')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="9" cy="9" r="2"/><path d="m21 15-3.086-3.086a2 2 0 0 0-2.828 0L6 21"/></svg>
                  <span>Bild</span>
                </button>
              </div>
              <div className="ribbon-group-label">Objekt</div>
            </div>
          </>
        )}

        {/* ===== FORMAT TAB ===== */}
        {activeTab === 'format' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Linienstärke" onClick={() => onAction('format-stroke-width')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="4" y1="12" x2="20" y2="12"/></svg>
                  <span>Linienstärke</span>
                </button>
                <button className="ribbon-btn" title="Linienfarbe" onClick={() => onAction('format-stroke-color')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="9"/><line x1="3" y1="12" x2="21" y2="12"/></svg>
                  <span>Linienfarbe</span>
                </button>
                <button className="ribbon-btn" title="Füllfarbe" onClick={() => onAction('format-fill-color')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="2"/><path d="M3 3l18 18"/></svg>
                  <span>Füllfarbe</span>
                </button>
                <button className="ribbon-btn" title="Linientyp" onClick={() => onAction('format-stroke-style')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="4" y1="8" x2="20" y2="8"/><line x1="4" y1="16" x2="20" y2="16" stroke-dasharray="4 4"/></svg>
                  <span>Linientyp</span>
                </button>
              </div>
              <div className="ribbon-group-label">Stil</div>
            </div>

            <div className="ribbon-divider"></div>

            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Nach links ausrichten" onClick={() => onAction('format-align-left')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="4" y1="4" x2="4" y2="20"/><rect x="6" y="6" width="12" height="4"/><rect x="6" y="14" width="8" height="4"/></svg>
                  <span>Links</span>
                </button>
                <button className="ribbon-btn" title="Zentrieren" onClick={() => onAction('format-align-center')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="12" y1="4" x2="12" y2="20"/><rect x="6" y="6" width="12" height="4"/><rect x="8" y="14" width="8" height="4"/></svg>
                  <span>Zentriert</span>
                </button>
                <button className="ribbon-btn" title="Nach rechts ausrichten" onClick={() => onAction('format-align-right')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><line x1="20" y1="4" x2="20" y2="20"/><rect x="6" y="6" width="12" height="4"/><rect x="10" y="14" width="8" height="4"/></svg>
                  <span>Rechts</span>
                </button>
              </div>
              <div className="ribbon-group-label">Ausrichtung</div>
            </div>
          </>
        )}

        {/* ===== VIEW TAB ===== */}
        {activeTab === 'view' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Zoom anpassen (F)" onClick={() => onAction('zoom-fit')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 7V5a2 2 0 0 1 2-2h2"/><path d="M17 3h2a2 2 0 0 1 2 2v2"/><path d="M21 17v2a2 2 0 0 1-2 2h-2"/><path d="M7 21H5a2 2 0 0 1-2-2v-2"/><line x1="7" y1="12" x2="17" y2="12"/></svg>
                  <span>Zoom Fit</span>
                </button>
                <button className="ribbon-btn" title="100% (1:1)" onClick={() => onAction('zoom-100')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/><line x1="11" y1="8" x2="11" y2="14"/><line x1="8" y1="11" x2="14" y2="11"/></svg>
                  <span>100%</span>
                </button>
                <button className="ribbon-btn" title="Grid ein/aus (F7)" onClick={() => onAction('grid')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18" rx="0"/><line x1="3" y1="9" x2="21" y2="9"/><line x1="3" y1="15" x2="21" y2="15"/><line x1="9" y1="3" x2="9" y2="21"/><line x1="15" y1="3" x2="15" y2="21"/></svg>
                  <span>Grid</span>
                </button>
                <button className="ribbon-btn" title="Layer-Manager" onClick={() => onAction('layer')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"/><polyline points="2 17 12 22 22 17"/><polyline points="2 12 12 17 22 12"/></svg>
                  <span>Layer</span>
                </button>
              </div>
              <div className="ribbon-group-label">Ansicht</div>
            </div>
          </>
        )}

        {/* ===== CANVAS TAB ===== */}
        {activeTab === 'canvas' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <div className="ribbon-color-picker" title="Hintergrundfarbe der Zeichenfläche">
                  <div className="ribbon-color-swatch" style={{ background: canvasBgColor }}>
                    <input
                      type="color"
                      value={canvasBgColor}
                      onChange={(e) => onCanvasBgColorChange?.(e.target.value)}
                    />
                  </div>
                  <span className="ribbon-color-label">Hintergrund</span>
                </div>
                <div className="ribbon-color-picker" title="Gitterfarbe">
                  <div className="ribbon-color-swatch" style={{ background: gridColor }}>
                    <input
                      type="color"
                      value={gridColor}
                      onChange={(e) => onGridColorChange?.(e.target.value)}
                    />
                  </div>
                  <span className="ribbon-color-label">Gitter</span>
                </div>
              </div>
              <div className="ribbon-group-label">Farben</div>
            </div>

            <div className="ribbon-divider"></div>

            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button
                  className={`ribbon-btn${rulerEnabled ? ' active' : ''}`}
                  title="Lineal ein/aus"
                  aria-pressed={rulerEnabled}
                  onClick={() => onToggleRuler?.()}
                >
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 3h18v18H3z"/><path d="M3 8h3"/><path d="M3 13h3"/><path d="M3 18h3"/><path d="M8 3v3"/><path d="M13 3v3"/><path d="M18 3v3"/></svg>
                  <span>Lineal</span>
                </button>
                <button className="ribbon-btn" title="Raster ein/aus (F7)" onClick={() => onAction('grid')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="18" height="18"/><line x1="3" y1="9" x2="21" y2="9"/><line x1="3" y1="15" x2="21" y2="15"/><line x1="9" y1="3" x2="9" y2="21"/><line x1="15" y1="3" x2="15" y2="21"/></svg>
                  <span>Raster</span>
                </button>
              </div>
              <div className="ribbon-group-label">Anzeige</div>
            </div>
          </>
        )}

        {/* ===== TOOLS TAB ===== */}
        {activeTab === 'tools' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" title="Messwerkzeug" onClick={() => onAction('measure')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21.3 8.7 8.7 21.3a1 1 0 0 1-1.4 0L2.7 16.7a1 1 0 0 1 0-1.4L15.3 2.7a1 1 0 0 1 1.4 0l4.6 4.6a1 1 0 0 1 0 1.4z"/><path d="m7.5 10.5 2 2"/><path d="m10.5 7.5 2 2"/><path d="m13.5 4.5 2 2"/><path d="m4.5 13.5 2 2"/></svg>
                  <span>Messen</span>
                </button>
                <button className="ribbon-btn" title="Plugins" onClick={() => onAction('plugins')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 2v6m0 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4z"/><path d="M12 8a6 6 0 0 0-6 6c0 3 2 4 2 6h8c0-2 2-3 2-6a6 6 0 0 0-6-6z"/></svg>
                  <span>Plugins</span>
                </button>
                <button className="ribbon-btn" title="Historie (Strg+H)" onClick={() => onAction('history')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 3v5h5"/><path d="M3.05 13A9 9 0 1 0 6 5.3L3 8"/><path d="M12 7v5l4 2"/></svg>
                  <span>Historie</span>
                </button>
                <button className="ribbon-btn" title="Gäste-Verwaltung" onClick={() => onAction('guests')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>
                  <span>Gäste</span>
                </button>
              </div>
              <div className="ribbon-group-label">Extras</div>
            </div>
          </>
        )}

        {/* ===== KI TAB ===== */}
        {activeTab === 'ki' && (
          <>
            <div className="ribbon-group">
              <div className="ribbon-group-btns">
                <button className="ribbon-btn" style={{ color: 'var(--color-ki)' }} title="KI Copilot (Ctrl+K)" onClick={() => onAction('ki')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 8V4H8"/><rect width="16" height="12" x="4" y="8" rx="2"/><path d="M2 14h2"/><path d="M20 14h2"/><path d="M15 13v2"/><path d="M9 13v2"/></svg>
                  <span>KI Copilot</span>
                </button>
                <button className="ribbon-btn" style={{ color: 'var(--color-ki)' }} title="KI Zeichnen" onClick={() => onAction('ki-draw')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 2 2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/></svg>
                  <span>KI Zeichnen</span>
                </button>
                <button className="ribbon-btn" style={{ color: 'var(--color-ki)' }} title="KI Analysieren" onClick={() => onAction('ki-analyze')}>
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 12c0 1.66-4 3-9 3s-9-1.34-9-3"/><path d="M3 5v14c0 1.66 4 3 9 3s9-1.34 9-3V5"/><path d="M3 5c0 1.66 4 3 9 3s9-1.34 9-3-4-3-9-3-9 1.34-9 3"/></svg>
                  <span>KI Analysieren</span>
                </button>
              </div>
              <div className="ribbon-group-label">Künstliche Intelligenz</div>
            </div>
          </>
        )}
      </div>
    </nav>
  );
};

export default RibbonBar;