import React from 'react';
import type { LeftSidebarProps } from '../types/ui.types';
import { SEATING_TEMPLATES } from '../services/seatingService';

interface ToolDef {
  tool: string;
  title: string;
  label: string;
  kbd: string;
  svg: React.ReactNode;
}

const sectionAuswahlen: ToolDef[] = [
  { tool: 'select', title: 'Auswählen (V)', label: 'Auswahl', kbd: 'V', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round"><path d="m3 3 7.07 16.97 2.51-7.39 7.39-2.51L3 3z"/><path d="m13 13 6 6"/></svg> },
  { tool: 'pan', title: 'Pan (P / Leertaste)', label: 'Pan', kbd: 'P', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2 2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2 2 2 0 0 0-2 2v2"/><path d="M10 10.5V6a2 2 0 0 0-2-2 2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg> },
  { tool: 'zoom-win', title: 'Zoom-Fenster (Z)', label: 'Zoom', kbd: 'Z', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" 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> },
  { tool: 'measure', title: 'Messen', label: 'Messen', kbd: 'M', svg: <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"/></svg> },
];

const sectionZeichnen: ToolDef[] = [
  { tool: 'line', title: 'Linie (L)', label: 'Linie', kbd: 'L', svg: <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> },
  { tool: 'polyline', title: 'Polylinie (PL)', label: 'Polylinie', kbd: 'PL', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="4 17 10 11 14 15 20 7"/></svg> },
  { tool: 'rect', title: 'Rechteck (REC)', label: 'Rechteck', kbd: 'REC', svg: <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> },
  { tool: 'circle', title: 'Kreis (C)', label: 'Kreis', kbd: 'C', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="9"/></svg> },
  { tool: 'arc', title: 'Bogen (A)', label: 'Bogen', kbd: 'A', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0z"/><path d="M3 12a9 9 0 0 1 9-9"/></svg> },
  { tool: 'text', title: 'Text (T)', label: 'Text', kbd: 'T', svg: <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> },
  { tool: 'dimension', title: 'Bemaßung (DIM)', label: 'Bemaßung', kbd: 'DIM', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 3H3l3 18 3-9 6 9 3-9 3 9 3-18z"/><line x1="3" y1="3" x2="21" y2="21"/></svg> },
  { tool: 'hatch', title: 'Schraffur (H)', label: 'Schraffur', kbd: 'H', 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="0"/><line x1="3" y1="9" x2="9" y2="3"/><line x1="9" y1="21" x2="21" y2="9"/><line x1="15" y1="21" x2="21" y2="15"/></svg> },
  { tool: 'leader', title: 'Hinweislinie (LD)', label: 'Hinweis', kbd: 'LD', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 21 12 12"/><path d="M12 12 18 6"/><polyline points="18 3 18 6 21 6"/><line x1="18" y1="6" x2="21" y2="3"/></svg> },
  { tool: 'revcloud', title: 'Revisionswolke (REV)', label: 'RevCloud', kbd: 'REV', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M4 18c-1-3 1-5 3-4 0-3 3-4 5-2 1-3 5-3 6 0 2-1 5 1 4 4 1 2-2 4-4 3-1 2-4 2-5 0-2 1-5-1-4-3-2-1-3-4-1-5z"/></svg> },
];

const sectionBearbeiten: ToolDef[] = [
  { tool: 'move', title: 'Verschieben (M)', label: 'Move', kbd: 'M', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="5 9 2 12 5 15"/><polyline points="9 5 12 2 15 5"/><polyline points="15 19 12 22 9 19"/><polyline points="19 9 22 12 19 15"/><line x1="2" y1="12" x2="22" y2="12"/><line x1="12" y1="2" x2="12" y2="22"/></svg> },
  { tool: 'copy', title: 'Kopieren (CO)', label: 'Copy', kbd: 'CO', svg: <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> },
  { tool: 'rotate', title: 'Rotieren (RO)', label: 'Rotate', kbd: 'RO', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="23 4 23 10 17 10"/><polyline points="1 20 1 14 7 14"/><path d="M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15"/></svg> },
  { tool: 'scale', title: 'Skalieren (SC)', label: 'Scale', kbd: 'SC', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="15 3 21 3 21 9"/><polyline points="9 21 3 21 3 15"/><line x1="21" y1="3" x2="14" y2="10"/><line x1="3" y1="21" x2="10" y2="14"/></svg> },
  { tool: 'mirror', title: 'Spiegeln (MI)', label: 'Mirror', kbd: 'MI', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 3v18"/><path d="M5 8l5-5 5 5"/><path d="M5 16l5 5 5-5"/></svg> },
  { tool: 'trim', title: 'Trimmen (TR)', label: 'Trim', kbd: 'TR', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="6" cy="6" r="3"/><circle cx="6" cy="18" r="3"/><line x1="20" y1="4" x2="8.12" y2="15.88"/><line x1="14.47" y1="14.48" x2="20" y2="20"/><line x1="8.12" y1="8.12" x2="12" y2="12"/></svg> },
  { tool: 'offset', title: 'Versatz (O)', label: 'Offset', kbd: 'O', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 6h12"/><path d="M3 12h18"/><path d="M3 18h12"/><path d="M21 6v12"/></svg> },
  { tool: 'delete', title: 'Löschen (E)', label: 'Löschen', kbd: 'E', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg> },
];

const sectionBestuhlung: ToolDef[] = [
  { tool: 'seating-row', title: 'Reihen-Bestuhlung', label: 'Reihe', kbd: 'R', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="5" width="4" height="3" rx="0.5"/><rect x="10" y="5" width="4" height="3" rx="0.5"/><rect x="17" y="5" width="4" height="3" rx="0.5"/><rect x="3" y="11" width="4" height="3" rx="0.5"/><rect x="10" y="11" width="4" height="3" rx="0.5"/><rect x="17" y="11" width="4" height="3" rx="0.5"/><rect x="3" y="17" width="4" height="3" rx="0.5"/><rect x="10" y="17" width="4" height="3" rx="0.5"/><rect x="17" y="17" width="4" height="3" rx="0.5"/></svg> },
  { tool: 'seating-block', title: 'Block-Bestuhlung', label: 'Block', kbd: 'B', 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="1"/><rect x="6" y="6" width="3" height="3"/><rect x="10.5" y="6" width="3" height="3"/><rect x="15" y="6" width="3" height="3"/><rect x="6" y="10.5" width="3" height="3"/><rect x="10.5" y="10.5" width="3" height="3"/><rect x="15" y="10.5" width="3" height="3"/><rect x="6" y="15" width="3" height="3"/><rect x="10.5" y="15" width="3" height="3"/><rect x="15" y="15" width="3" height="3"/></svg> },
  { tool: 'table', title: 'Tisch (TAB)', label: 'Tisch', kbd: 'TAB', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><rect x="4" y="9" width="16" height="6" rx="1"/><line x1="6" y1="15" x2="6" y2="19"/><line x1="18" y1="15" x2="18" y2="19"/></svg> },
  { tool: 'stage', title: 'Bühne', label: 'Bühne', kbd: 'S', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M2 17h20v3H2z"/><path d="M5 14V8h14v6"/><path d="M9 14v-3"/><path d="M15 14v-3"/></svg> },
  { tool: 'seating-template', title: 'Vorlagen', label: 'Vorlagen', kbd: 'TPL', 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="3" y1="9" x2="21" y2="9"/><line x1="9" y1="21" x2="9" y2="9"/></svg> },
];

const sections: Array<{ label: string; tools: ToolDef[] }> = [
  { label: 'Auswählen / Anzeigen', tools: sectionAuswahlen },
  { label: 'Zeichnen', tools: sectionZeichnen },
  { label: 'Bearbeiten', tools: sectionBearbeiten },
  { label: 'Bestuhlung', tools: sectionBestuhlung },
];

const LeftSidebar: React.FC<LeftSidebarProps> = ({ activeTool, onToolChange, selectedTemplate, onTemplateSelect, onCollapse }) => {
  return (
    <aside className="leftbar" aria-label="Werkzeugpalette">
      <div className="leftbar-header">
        <span className="leftbar-title">Werkzeuge</span>
        <button className="leftbar-toggle" aria-label="Linke Leiste ausblenden" onClick={onCollapse}>
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="15 18 9 12 15 6"/></svg>
        </button>
      </div>

      {sections.map((section) => (
        <div className="tool-section" key={section.label}>
          <div className="tool-section-label">{section.label}</div>
          <div className="tool-grid">
            {section.tools.map((t) => (
              <button
                key={t.tool}
                className={`tool-btn${activeTool === t.tool ? ' active' : ''}`}
                data-tool={t.tool}
                title={t.title}
                onClick={() => onToolChange(t.tool)}
              >
                {t.svg}
                <span className="tool-btn-label">{t.label}</span>
                <span className="tool-btn-kbd">{t.kbd}</span>
              </button>
            ))}
          </div>
        </div>
      ))}

      {activeTool === 'seating-template' && onTemplateSelect && (
        <div className="tool-section" key="templates">
          <div className="tool-section-label">Vorlagen</div>
          <select
            className="template-dropdown"
            value={selectedTemplate ?? ''}
            onChange={(e) => onTemplateSelect(e.target.value || null)}
            style={{
              width: '100%',
              padding: '6px 8px',
              borderRadius: '4px',
              border: '1px solid var(--color-border)',
              background: 'var(--color-bg-secondary)',
              color: 'var(--color-text)',
              fontSize: '13px',
              cursor: 'pointer',
            }}
          >
            <option value="">— Vorlage wählen —</option>
            {SEATING_TEMPLATES.map((t) => (
              <option key={t.name} value={t.name}>
                {t.name} ({t.description})
              </option>
            ))}
          </select>
          {selectedTemplate && (
            <div style={{ marginTop: '6px', fontSize: '12px', color: 'var(--color-text-faint)' }}>
              Klicken Sie auf die Zeichenfläche, um die Vorlage zu platzieren.
            </div>
          )}
        </div>
      )}

      <div className="leftbar-footer">
        <button className="leftbar-footer-btn" title="Plugin hinzufügen" aria-label="Plugin hinzufügen">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="16"/><line x1="8" y1="12" x2="16" y2="12"/></svg>
        </button>
        <button className="leftbar-footer-btn" title="Werkzeugkasten anpassen" aria-label="Werkzeugkasten anpassen">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>
        </button>
        <button className="leftbar-footer-btn" title="Hilfe (F1)" aria-label="Hilfe">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
        </button>
      </div>
    </aside>
  );
};

export default LeftSidebar;
