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// DesignInspectorRail — the studio's LEFT docked rail (Gitea epic #5, full-bleed
// CP1a). It answers the studio's FIRST question — "what is this abacus?" —
// fabrication-neutral, and nothing else:
// • a live 2D mini-preview of the current design (tracks every edit),
// • the player picker + owner identity (the shared identity both outputs make
// real) and the sync/save/reset controls,
// • Shape, Colors and Feet as OPEN sections, plus Writing behind a disclosure.
// How the thing gets MADE — infill, bead clearance, curve smoothness, the joint
// fit and the files — is the print rail's question and lives there, so the paper
// lane is never asked a slicer question. The FDM-only sections are gated on
// `fabrication.kind` for that reason: on the sticker-sheet lane this rail shows
// identity, columns, colors and the camera markers, and nothing that only a
// printer could honour.
//
// The headline fabrication chooser (paper ↔ 3D print) does NOT live here — it
// was promoted to the shell's persistent top toolbar (FabricationSwitch) so it
// reads on every breakpoint instead of hiding in the mobile drawer. This rail
// reads the shared studio store; the page owns only the ?player= URL, so it
// passes the picker's selection down.
import { AbacusReact } from '@soroban/abacus-react'
import { PlayerPicker } from '@/components/shared/PlayerPicker'
import { Disclosure } from '@/components/studio/Disclosure'
import { StudioCheckbox } from '@/components/studio/StudioCheckbox'
import { StudioColor } from '@/components/studio/StudioColor'
import { StudioSection } from '@/components/studio/StudioSection'
import { StudioSelect } from '@/components/studio/StudioSelect'
import { StudioSlider } from '@/components/studio/StudioSlider'
import { StudioTextInput } from '@/components/studio/StudioTextInput'
import { button, STUDIO } from '@/components/studio/theme'
import {
ABACUS_COLOR_PALETTES,
ABACUS_COLOR_SCHEMES,
type AbacusColorPalette,
type AbacusColorScheme,
} from '@/lib/abacus/identity'
import { useAbacusStudio } from './AbacusStudioContext'
import {
AID_OPTS,
aidNote,
BRIM_PRESETS,
BUMPER_PRESETS,
type BumperPreset,
bumperLabel,
bumperParams,
bumperProud,
type FeetFit,
feetEffective,
feetFit,
isModular,
type ModuleFeetLayout,
matchBrim,
matchBumper,
moduleFeetLayout,
placeAids,
SLOT_LABEL,
type TextSlot,
} from './abacus-model'
import { ConstructionControl } from './ConstructionControl'
import { DesignLinkChip } from './DesignLinkChip'
import { MyDesignsList } from './MyDesignsList'
/** Sentinel rows for dimensions that match no preset — a design saved before
* the presets existed, or one hand-tuned through the params. Shown rather than
* silently snapped to the nearest preset, which would edit geometry the user
* never asked us to touch. */
const CUSTOM_BUMPER = '__custom_bumper__'
const CUSTOM_BRIM = '__custom_brim__'
/** The eight engravable slots, in the scad's own order. The four top-face rails
* carry a `slot` because a teaching aid can claim them; the four outer walls
* are words-only. Labelled so top-face left and wall left can't be confused. */
type WordKey = `${TextSlot}_text` | 'edge_front' | 'edge_back' | 'edge_left' | 'edge_right'
const WORD_FIELDS: { key: WordKey; label: string; slot?: TextSlot }[] = [
{ key: 'top_text', label: SLOT_LABEL.top, slot: 'top' },
{ key: 'bottom_text', label: SLOT_LABEL.bottom, slot: 'bottom' },
{ key: 'left_text', label: SLOT_LABEL.left, slot: 'left' },
{ key: 'right_text', label: SLOT_LABEL.right, slot: 'right' },
{ key: 'edge_front', label: 'front wall' },
{ key: 'edge_back', label: 'back wall' },
{ key: 'edge_left', label: 'left wall' },
{ key: 'edge_right', label: 'right wall' },
]
/** The word fields laid out ACROSS the column seams — they don't print on
* snap-together columns (textSlots gates them), so the rail says so instead of
* accepting words that would silently never appear. Mirror of the complement
* set MODULAR_TEXT_SLOT_INDICES in abacus-model. */
const CROSSING_WORD_KEYS: ReadonlySet<WordKey> = new Set([
'top_text',
'bottom_text',
'edge_front',
'edge_back',
])
/** A greyed row's own label has to carry both the reason and the lever — a
* <select> has nowhere else to put them. When neither lever reaches, say that
* outright rather than trailing an empty "needs". */
const unfitSuffix = (fit: FeetFit): string => {
const levers = [
fit.minBorderW ? `${fit.minBorderW.toFixed(1)} mm frame border` : null,
fit.minScale ? `size ×${fit.minScale.toFixed(2)}` : null,
].filter(Boolean)
return levers.length ? ` — needs ${levers.join(' or ')}` : ' — too big for this frame'
}
/** The modular twin of unfitSuffix: the bumper seats in the border strip but
* not in the band beside a column module's seam socket. Size is the only
* lever (the band scales, the socket doesn't) — the border widens nothing
* here, so it is never offered. */
const seamSuffix = (mf: ModuleFeetLayout): string =>
mf.minScale ? ` — needs size ×${mf.minScale.toFixed(2)}` : ' — too wide beside the seam sockets'
const NOTE = STUDIO.type.note
export interface DesignInspectorRailProps {
/** ?player= value (pre-fallback), for the picker + notice */
selectedPlayerId: string | null
onSelectPlayer: (playerId: string | null) => void
/** the selected player's row failed to load → we're showing the user's own */
playerUnavailable: boolean
/** the ?design= snapshot failed to load (not shared with you / gone,
* Gitea #22 + #24) → the studio opened without it. The route answers one
* 404 for every case on purpose, so the notice must not guess which. */
designUnavailable?: boolean
/** the link chip saved the design (Gitea #25) → the page mirrors the minted
* id into the ?design= URL */
onDesignSaved: (designId: string) => void
}
export function DesignInspectorRail({
selectedPlayerId,
onSelectPlayer,
playerUnavailable,
designUnavailable = false,
onDesignSaved,
}: DesignInspectorRailProps) {
const {
params,
set,
synced,
resync,
playerId,
playerName,
playerPossessive,
canWriteIdentity,
savableIdentity,
saveAsPlayerAbacus,
saveIsPending,
saveIsError,
savedDesignId,
fabrication,
} = useAbacusStudio()
// The paper lane realizes the SAME design through intentOf (columns, resolved
// colors, markers) — everything else in this rail describes geometry only a
// printer can produce, so it is asked only when a printer is the output.
const isFdm = fabrication.kind === 'fdm'
// Where the teaching aids actually landed. Derived per render on purpose —
// nothing is written back, so hydrating a saved design can't mutate it (see
// placeAids). The selects show the stored intent; the labels and caption show
// the outcome, which is the only way "automatic" stays honest.
const placements = placeAids(params)
const notes = placements.map((pl) => aidNote(params, pl)).filter((n): n is string => n !== null)
const ownerLabel = playerUnavailable
? 'This is your abacus'
: playerName
? `This is ${playerName}'s abacus`
: selectedPlayerId
? 'This is their abacus'
: 'This is your abacus'
return (
<div
data-component="design-inspector-rail"
style={{
display: 'flex',
flexDirection: 'column',
gap: STUDIO.space.rail,
padding: '16px',
color: STUDIO.color.text,
fontSize: 12,
}}
>
<div style={{ ...STUDIO.type.heading, letterSpacing: '0.02em' }}>Your abacus</div>
{/* live mini-preview — the identity, reflecting every design edit */}
<div
data-element="design-mini-preview"
style={{
display: 'flex',
justifyContent: 'center',
background: STUDIO.color.surface,
borderRadius: STUDIO.radius.card,
padding: '12px 8px',
overflowX: 'auto',
}}
>
<AbacusReact
value={0}
columns={params.cols}
colorScheme={params.color_scheme as AbacusColorScheme}
colorPalette={params.color_palette as AbacusColorPalette}
scaleFactor={0.6}
interactive={false}
animated={false}
showNumbers={false}
/>
</div>
{/* who this abacus is for. The old "13 columns"/"Place-value colors" chips
are gone: they restated two controls that are now visible without a
click, and a read-only echo of a live control is one more thing to
parse for no new fact. */}
<div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
<PlayerPicker selectedPlayerId={selectedPlayerId} onSelect={onSelectPlayer} isDark />
<span data-element="abacus-identity-owner" style={STUDIO.type.eyebrow}>
{ownerLabel}
</span>
{playerUnavailable && (
<span data-element="abacus-identity-unavailable" style={NOTE}>
Couldn't load that player's abacus — showing yours instead.
</span>
)}
{designUnavailable && (
<span data-element="abacus-design-unavailable" style={NOTE}>
That design is private or no longer available — starting from the abacus instead. If
it's yours, open it from the account that made it.
</span>
)}
</div>
{/* sync/save/reset — lifted from the viewer overlay (identity concern) */}
<div
data-element="abacus-studio-sync-status"
style={{ display: 'flex', flexDirection: 'column', gap: 6 }}
>
<div
style={{
display: 'flex',
alignItems: 'center',
justifyContent: 'space-between',
gap: 8,
fontSize: 11,
color: synced ? STUDIO.color.tone.ok.text : STUDIO.color.warnInline,
}}
>
<span>
{synced
? `● showing ${playerId ? `${playerPossessive} abacus` : 'your abacus'}`
: '● customized'}
</span>
{!synced && (
<div style={{ display: 'flex', gap: 6, flexWrap: 'wrap', justifyContent: 'flex-end' }}>
{playerId && (
<button
type="button"
data-action="save-as-player-abacus"
onClick={saveAsPlayerAbacus}
disabled={!canWriteIdentity || !savableIdentity || saveIsPending}
title={
canWriteIdentity
? undefined
: `Only a parent — or a teacher while ${playerName ?? 'this student'} is in class — can change their abacus`
}
style={{
// the accented half of the sync pair: this one WRITES the
// identity, reset only discards
...button('pill', {
on: true,
disabled: !canWriteIdentity || !savableIdentity,
}),
cursor:
!canWriteIdentity || !savableIdentity || saveIsPending
? 'default'
: 'pointer',
}}
>
{saveIsPending ? 'saving…' : `make this ${playerPossessive} abacus`}
</button>
)}
<button
type="button"
data-action="reset-to-my-abacus"
onClick={resync}
style={button('pill', { on: false })}
>
reset to {playerId ? `${playerPossessive} abacus` : 'my abacus'}
</button>
</div>
)}
</div>
{saveIsError && (
<span
data-element="abacus-identity-save-error"
style={{ ...NOTE, color: STUDIO.color.dangerInline }}
>
Couldn't save — check your access and try again.
</span>
)}
</div>
{/* design link (Gitea #25) — adjacent to the identity save so the two
save-ish acts read as one neighborhood, but a clearly different verb:
the identity save is about a PERSON, this is about an ADDRESS */}
<DesignLinkChip selectedPlayerId={selectedPlayerId} onDesignSaved={onDesignSaved} />
{/* "My abacuses" (#11) — everything you've saved or printed, grown from
#24's ledger of what you've made public. A sibling of the chip rather
than a child of it: the chip is pure orchestration over a mocked
context seam, and this fetches. Renders nothing until you have saved
something. */}
<MyDesignsList currentDesignId={savedDesignId} />
{/* the fabrication chooser (paper ↔ 3D print) now lives in the shell's
persistent top toolbar (FabricationSwitch), not here */}
{/* The design knobs, in three OPEN sections. They used to sit inside one
"Customize" disclosure, which meant the studio's entire vocabulary —
feet, engraving, the modular option — was invisible until you guessed
there was something behind the word. Only the rare and the wordy
(Writing) stays collapsed. */}
<StudioSection label="Shape" dataElement="abacus-section-shape">
{isFdm && (
<StudioSlider
label="size ×"
value={params.scale_factor}
min={0.5}
max={2}
step={0.05}
onChange={(v) => set('scale_factor', v)}
formatValue={(v) => v.toFixed(2)}
/>
)}
<StudioSlider
label="columns"
value={params.cols}
min={3}
max={21}
step={1}
onChange={(v) => set('cols', v)}
/>
{/* one piece vs column modules (Gitea #30) — a geometry Param, so it is
asked here with the other things the abacus IS; the printer's side of
it (fit, coupon, kit) is in the print rail */}
{isFdm && <ConstructionControl />}
</StudioSection>
<StudioSection label="Colors" dataElement="abacus-section-colors">
<StudioSelect
label="color scheme"
value={params.color_scheme}
options={[...ABACUS_COLOR_SCHEMES]}
onChange={(v) => set('color_scheme', v)}
/>
<StudioSelect
label="palette"
value={params.color_palette}
options={[...ABACUS_COLOR_PALETTES]}
onChange={(v) => set('color_palette', v)}
/>
{/* Inlay ink (Gitea #26): the writing prints as filament plugs pressed
into its pockets, one 3MF body per color group. Rainbow costs up to
five ink slots on the plate — one per group — so the choice belongs
in front of the user, not buried in params. */}
{isFdm && (
<StudioSelect
label="text ink"
value={params.text_fill}
options={[
{ value: 'rainbow', label: 'rainbow (up to 5 filaments)' },
{ value: 'single', label: 'one color' },
]}
onChange={(v) => set('text_fill', v)}
dataElement="abacus-text-fill"
dataAction="set-text-fill"
/>
)}
{isFdm && params.text_fill === 'single' && (
<StudioColor
label="text color"
value={params.text_color}
onChange={(v) => set('text_color', v)}
/>
)}
</StudioSection>
{/* Feet (Gitea #23): printed = in-place TPU feet, the default — the
print stands on them and the bottom face rides supports; adhesive =
today's empty dovetail pockets for stick-on bumpers; none. How they
attach only means anything for printed feet, so that select follows
the first conditionally. The frame border lives here too: it is half of
what sets the border strip, and therefore what decides whether a big
bumper can be seated at stock size at all. */}
{isFdm && (
<StudioSection label="Feet" dataElement="abacus-section-feet">
<StudioSelect
label="feet"
value={params.feet_mode}
options={[
{ value: 'printed', label: 'printed TPU feet' },
{ value: 'adhesive', label: 'pockets for stick-on feet' },
{ value: 'none', label: 'no feet' },
]}
onChange={(v) => set('feet_mode', v)}
dataElement="abacus-feet-mode"
dataAction="set-feet-mode"
/>
{/* Stick-on bumpers are bought, not printed, so the menu is the range
you can actually buy — labelled in the inches it's sold in, and
converted to mm on the way into the model.
Why some rows are greyed rather than absent: at every column the
bead and end channels open through the bottom face, so a pocket can
only live in the solid border strip. A 1/2" bumper wants 15.7 mm of
a 13.0 mm strip at stock settings. Hiding those rows would claim we
don't support the hardware; greying them with the number says "not
at these settings" and names the two levers that fix it. Without
this the scad's own assert() would throw mid-export instead. */}
{params.feet_mode === 'adhesive' && (
<>
<StudioSelect
label="stick-on bumper"
value={matchBumper(params)?.id ?? CUSTOM_BUMPER}
options={[
...(matchBumper(params)
? []
: [{ value: CUSTOM_BUMPER, label: `custom — ${params.feet_w.toFixed(2)} mm` }]),
...BUMPER_PRESETS.map((b) => {
const q = { ...params, ...bumperParams(b) }
const fit = feetFit(q)
// Snap-together columns add a second gate: every column
// module's pocket lives beside its seam socket, and a bought
// bumper seats in a pocket of its own size or not at all
// (mirror of the scad's stick-on assert). Strip failures
// outrank it — no band matters on a bumper the border strip
// already can't hold.
const seam = isModular(params) ? moduleFeetLayout(q) : null
const ok = fit.fits && (seam?.bumperFits ?? true)
return {
value: b.id,
label: ok
? bumperLabel(b)
: `${bumperLabel(b)}${fit.fits ? seamSuffix(seam as ModuleFeetLayout) : unfitSuffix(fit)}`,
disabled: !ok,
}
}),
]}
onChange={(v) => {
const b = BUMPER_PRESETS.find((x) => x.id === v)
if (!b) return
// one gesture, three params — the dimensions stay the single
// source of truth and the menu selection is derived back off
// them (matchBumper), so there's no preset id to fall out of
// sync with the geometry.
const q = bumperParams(b)
set('feet_shape', q.feet_shape)
set('feet_w', q.feet_w)
set('feet_depth', q.feet_depth)
}}
dataElement="abacus-bumper-preset"
dataAction="set-bumper-preset"
/>
{/* The pocket takes half the bumper's thickness, so the rest is
real ride height. Saying the number beats making them measure. */}
{matchBumper(params) && (
<p
data-component="DesignInspectorRail"
data-element="abacus-bumper-note"
style={{ ...NOTE, margin: 0 }}
>
{params.feet_depth.toFixed(2)} mm pocket, so it stands{' '}
{bumperProud(matchBumper(params) as BumperPreset).toFixed(2)} mm proud.
</p>
)}
</>
)}
{params.feet_mode === 'printed' && (
<>
<StudioSelect
label="how feet attach"
value={params.feet_retention}
options={[
{ value: 'crossbar', label: 'linked crossbar (strongest)' },
{ value: 'dovetail', label: 'dovetail (friction fit)' },
]}
onChange={(v) => set('feet_retention', v)}
dataElement="abacus-feet-retention"
dataAction="set-feet-retention"
/>
{/* The bar is real-world sized but the frame it hides in scales, so a
small enough abacus has nowhere to put it. Say so rather than
letting the select claim retention the print won't have. */}
{feetEffective(params).crossbarTooThin && (
<p
data-component="DesignInspectorRail"
data-element="abacus-feet-crossbar-note"
style={{ ...NOTE, color: STUDIO.color.warnInline, margin: '2px 0 0' }}
>
At this size the frame is too thin to hide a crossbar — these feet use the
dovetail flare. Raise size × to about 0.75 to get the linked bar back.
</p>
)}
</>
)}
{/* The flush band around the bead field (border_w) — never had a
control until now, so every abacus so far used stock 5.25 mm.
Millimetres, not inches — unlike the bumpers this is our geometry,
not something sold by the fraction. */}
<StudioSelect
label="frame border"
value={matchBrim(params)?.id ?? CUSTOM_BRIM}
options={[
...(matchBrim(params)
? []
: [{ value: CUSTOM_BRIM, label: `custom — ${params.border_w.toFixed(2)} mm` }]),
...BRIM_PRESETS.map((b) => ({ value: b.id, label: b.label })),
]}
onChange={(v) => {
const b = BRIM_PRESETS.find((x) => x.id === v)
if (b) set('border_w', b.border_w)
}}
dataElement="abacus-brim-preset"
dataAction="set-brim-preset"
/>
<div data-element="abacus-brim-note" style={NOTE}>
The flat band around the bead field. The feet seat in it.
</div>
{/* Guards EVERY mode, not just the bumper menu. The width outlives the
mode it was chosen in: pick a 1/2" bumper, switch to printed, and
feet_w is still 12.7 mm — with a WIDER seat, since printed feet trade
the bead clearance for a 0.35 mm retention flare. The greyed menu rows
can't catch that, and the alternative is the scad asserting mid-export.
Two failures, two sentences: too wide is a plan-view problem (the
seat vs the strip) and the frame border can fix it; too deep is a
section one (the pocket vs the slab) and only size can, because a
bumper's thickness is real hardware that never scales. */}
{(() => {
const fit = params.feet_mode === 'none' ? null : feetFit(params)
if (!fit || fit.fits) return null
return (
<p
data-component="DesignInspectorRail"
data-element="abacus-feet-fit-note"
style={{ ...NOTE, color: STUDIO.color.warnInline, margin: '2px 0 0' }}
>
{fit.tooWide
? `These feet are too wide to seat here: each pocket needs ${fit.needs.toFixed(1)} mm of the ${fit.has.toFixed(1)} mm border strip, so it would cut into the bead channels.`
: `This pocket is too deep for the frame at this size: it needs ${fit.needsDepth.toFixed(1)} mm of the ${fit.hasDepth.toFixed(1)} mm slab to leave 2 mm of material above it.`}{' '}
{fit.minBorderW ? `Widen the frame border to ${fit.minBorderW.toFixed(1)} mm` : ''}
{fit.minBorderW && fit.minScale ? ', or raise ' : fit.minScale ? 'Raise ' : ''}
{fit.minScale ? `size × to ${fit.minScale.toFixed(2)}` : ''}
{fit.minBorderW || fit.minScale ? '.' : 'Choose a smaller foot.'}
</p>
)
})()}
</StudioSection>
)}
{/* Writing (Gitea #28) — the eight engravable slots, and the two
teaching aids that compete with them for the same rails. The one
section that stays collapsed: eight text fields is the longest thing
in the rail and most abacuses carry no words at all.
ONE RULE: one slot, one occupant; words win; the UI always names the
occupant. An aid's rail is DERIVED, never stored (see placeAids), so
the select shows the stored intent while the 'auto' option's label
shows where automatic placement lands — "auto — left side". That label
is present whatever the intent, deliberately: it's the only thing that
keeps a hand-pinned "right side" from reading as the default.
Below ~6 columns the top rail is too short for five facts and the side
rails don't shrink with the column count, so 'auto' rotates the aids
onto the sides — as a PAIR, mirrored, never one rotated and one
horizontal. The caption says which rail and why. */}
{isFdm && (
<Disclosure label="Writing" dataElement="abacus-writing" dataAction="toggle-writing">
{placements.map((place) => (
<StudioSelect
key={place.aid.key}
label={place.aid.label}
value={place.intent}
options={AID_OPTS.map((o) => ({
value: o,
label:
o === 'auto'
? place.autoSlot
? `auto — ${SLOT_LABEL[place.autoSlot]}`
: 'auto — nowhere free'
: o === 'off'
? o
: SLOT_LABEL[o as TextSlot],
}))}
onChange={(v) => set(place.aid.key, v)}
dataElement={`abacus-${place.aid.key}`}
dataAction={`set-${place.aid.key}`}
/>
))}
{notes.length > 0 && (
<span data-element="abacus-writing-note" style={NOTE}>
{notes.join(' ')}
</span>
)}
<span style={{ ...NOTE, color: STUDIO.color.muted2 }}>
your own words — space-separated, one word per engraving
</span>
{WORD_FIELDS.map(({ key, label, slot }) => {
const held = slot ? placements.find((x) => x.slot === slot) : undefined
// In modular mode a crossing slot can't also be aid-held (placeAids
// filters those homes out), so the two reasons never compete.
const crossing = isModular(params) && CROSSING_WORD_KEYS.has(key)
return (
<StudioTextInput
key={key}
label={label}
value={params[key]}
onChange={(v) => set(key, v)}
disabled={held !== undefined || crossing}
disabledReason={
held
? `showing ${held.aid.label}`
: crossing
? 'crosses the column seams — one-piece only'
: undefined
}
dataElement={`abacus-words-${key}`}
dataAction={`set-${key}`}
/>
)
})}
</Disclosure>
)}
{/* The markers are the camera loop's whole input and they exist on BOTH
outputs — printed pockets on the FDM abacus, ink on the sticker sheet —
so this is the one FDM-looking control the paper lane keeps. Named for
what it does rather than for the fiducial standard it uses. */}
<div
data-element="abacus-markers"
style={{ display: 'flex', flexDirection: 'column', gap: 6 }}
>
<StudioCheckbox
label="camera markers"
checked={params.show_markers}
onChange={(v) => set('show_markers', v)}
/>
<div data-element="abacus-markers-note" style={NOTE}>
ArUco corners so the camera can read the abacus.
</div>
</div>
</div>
)
}
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