// SPDX-License-Identifier: AGPL-3.0-or-later
// Copyright (C) 2026 Karim Gabriele Varano
import { useEffect, useState } from 'react'
import Icon from './components/Icon'
import { notifyReady, runRhinoCommand } from './lib/rhinoBridge'

// Anzeige-Modus der Kacheln, geteilt mit Elemente-Panel via localStorage.
const TILE_MODE_KEY = 'dossier_tile_mode'   // 'both' | 'icon' | 'text'
function readTileMode() {
  try { return localStorage.getItem(TILE_MODE_KEY) || 'both' } catch { return 'both' }
}
function writeTileMode(m) {
  try { localStorage.setItem(TILE_MODE_KEY, m) } catch { /* WebView ohne Storage */ }
}
const TILE_MIN_COL = { icon: 40, text: 64, both: 86 }
const TILE_MIN_H   = { icon: 32, text: 30, both: 32 }

// Tool-Definitionen: [icon, label, rhino-command, tooltip]
// Material-Symbol-Namen siehe https://fonts.google.com/icons
const TOOLS = {
  '2D Zeichnen': [
    ['horizontal_rule',         'Line',      '_Line',       'Linie zwischen zwei Punkten'],
    ['polyline',                'Polyline',  '_Polyline',   'Polylinie'],
    ['rectangle',               'Rect',      '_Rectangle',  'Rechteck'],
    ['radio_button_unchecked',  'Circle',    '_Circle',     'Kreis'],
    ['network_intelligence',    'Arc',       '_Arc',        'Bogen'],
    ['gesture',                 'Curve',     '_Curve',      'Freie Kurve (Spline)'],
    ['text_fields',             'Text',      '_Text',       'Text'],
    ['grid_view',               'Hatch',     '_Hatch',      'Schraffur'],
    ['straighten',              'Dim',       '_Dim',        'Linearbemassung'],
  ],
  '2D Editieren': [
    ['open_with',         'Move',     '_Move',      'Verschieben'],
    ['content_copy',      'Copy',     '_Copy',      'Kopieren'],
    ['rotate_right',      'Rotate',   '_Rotate',    'Drehen'],
    ['aspect_ratio',      'Scale',    '_Scale',     'Skalieren'],
    ['flip',              'Mirror',   '_Mirror',    'Spiegeln'],
    ['padding',           'Offset',   '_Offset',    'Parallelversatz'],
    ['content_cut',       'Trim',     '_Trim',      'Stutzen'],
    ['swipe_right_alt',   'Extend',   '_Extend',    'Verlängern'],
    ['link',              'Join',     '_Join',      'Verbinden'],
    ['scatter_plot',      'Explode',  '_Explode',   'Auflösen'],
    ['rounded_corner',    'Fillet',   '_Fillet',    'Verrunden (Ecke abrunden)'],
    ['apps',              'Array',    '_ArrayPolar','Polar-Array'],
  ],
  '3D Modellieren': [
    ['vertical_align_top','Extrude',  '_ExtrudeCrv',         'Kurve zu 3D extrudieren'],
    ['square',            'Box',      '_Box',                'Quader'],
    ['join_inner',        'Union',    '_BooleanUnion',       'Boolean-Vereinigung'],
    ['remove',            'Diff',     '_BooleanDifference',  'Boolean-Differenz'],
    ['gradient',          'Intersect','_BooleanIntersection','Boolean-Schnittmenge'],
    ['roofing',           'Cap',      '_Cap',                'Planare Loecher schliessen'],
    ['cut',               'Section',  '_Section',            'Schnittlinien erzeugen'],
    ['unfold_more',       'Loft',     '_Loft',               'Loft (Kurven verbinden)'],
  ],
  'Auswahl': [
    ['add_link',         'Chain',     '_SelChain',     'Tangentiale Kurvenkette wählen'],
    ['filter_alt',       'Dup',       '_SelDup',       'Doppelte Objekte wählen'],
    ['loop',             'Closed',    '_SelClosedCrv', 'Geschlossene Kurven wählen'],
    ['compare_arrows',   'Invert',    '_Invert',       'Auswahl invertieren'],
    ['select_all',       'All',       '_SelAll',       'Alle auswählen'],
    ['deselect',         'None',      '_SelNone',      'Auswahl aufheben'],
  ],
}

// ---------------------------------------------------------------------------

function ToolTile({ icon, label, cmd, tip, mode }) {
  const showIcon  = mode !== 'text'
  const showLabel = mode !== 'icon'
  return (
    <button
      onClick={() => runRhinoCommand(cmd)}
      title={`${tip} (${cmd})`}
      onMouseEnter={(e) => {
        e.currentTarget.style.borderColor = 'var(--accent)'
        e.currentTarget.style.background = 'var(--bg-item-hover)'
      }}
      onMouseLeave={(e) => {
        e.currentTarget.style.borderColor = 'var(--border-light)'
        e.currentTarget.style.background = 'var(--bg-input)'
      }}
      style={{
        display: 'flex', flexDirection: 'row',
        alignItems: 'center',
        justifyContent: mode === 'both' ? 'flex-start' : 'center',
        gap: showIcon && showLabel ? 7 : 0,
        padding: mode === 'icon' ? '6px' : '5px 11px',
        minHeight: TILE_MIN_H[mode],
        background: 'var(--bg-input)',
        border: '1px solid var(--border-light)',
        borderRadius: 999,
        cursor: 'pointer',
        transition: 'background 0.12s, border-color 0.12s',
        fontSize: 11, fontWeight: 500,
        color: 'var(--text-primary)',
        appearance: 'none', WebkitAppearance: 'none',
      }}
    >
      {showIcon && (
        <Icon name={icon} size={16}
              style={{ color: 'var(--accent)', flexShrink: 0 }} />
      )}
      {showLabel && (
        <span style={{
          overflow: 'hidden',
          textOverflow: 'ellipsis', whiteSpace: 'nowrap',
        }}>{label}</span>
      )}
    </button>
  )
}

function GridSection({ label, mode, children }) {
  return (
    <div style={{ display: 'flex', flexDirection: 'column', gap: 5 }}>
      <span style={{
        fontSize: 9, color: 'var(--text-muted)',
        letterSpacing: '0.08em', textTransform: 'uppercase',
        fontWeight: 600,
      }}>
        {label}
      </span>
      <div style={{
        display: 'grid',
        gridTemplateColumns: `repeat(auto-fill, minmax(${TILE_MIN_COL[mode]}px, 1fr))`,
        gap: 5,
      }}>
        {children}
      </div>
    </div>
  )
}

function TileModeDropdown({ mode, onChange }) {
  return (
    <select
      value={mode}
      onChange={(e) => onChange(e.target.value)}
      title="Anzeige: Symbol / Text / Symbol + Text"
      style={{ fontSize: 10, padding: '3px 6px', maxWidth: 130 }}
    >
      <option value="icon">Symbol</option>
      <option value="text">Text</option>
      <option value="both">Symbol + Text</option>
    </select>
  )
}

// ---------------------------------------------------------------------------

export default function WerkzeugeApp() {
  const [mode, setMode] = useState(readTileMode)
  useEffect(() => { notifyReady() }, [])

  const changeMode = (m) => { setMode(m); writeTileMode(m) }
  const groups = Object.entries(TOOLS)

  return (
    <div style={{
      width: '100%', height: '100%',
      display: 'flex', flexDirection: 'column', gap: 10,
      padding: 10,
      fontFamily: 'var(--font)', color: 'var(--text-primary)',
      background: 'var(--bg-base)',
      boxSizing: 'border-box',
      overflowY: 'auto', overflowX: 'hidden',
    }}>
      <div style={{ display: 'flex', justifyContent: 'flex-start' }}>
        <TileModeDropdown mode={mode} onChange={changeMode} />
      </div>
      {groups.map(([title, items]) => (
        <GridSection key={title} label={title} mode={mode}>
          {items.map(([icon, label, cmd, tip]) => (
            <ToolTile key={cmd} icon={icon} label={label} cmd={cmd} tip={tip} mode={mode} />
          ))}
        </GridSection>
      ))}
    </div>
  )
}