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import { Array, Option } from 'effect'
import type { Html, HtmlBuilder } from 'foldkit/html'
import type { Message } from '@/message'
import type { Model } from '@/model'
import { DATUM_LABEL } from '../../core/geo/ellipsoid'
import * as Cell from './cell'
import { type ReadoutColumn, columnsFor } from './columns'
import { positionLabelView, systemLabelView } from './header'
import { type ReadoutRow, availableRows } from './rows'
const CAPTION = 'The cursor and cue positions in each coordinate system'
const stickyLeft = 'sticky left-0 z-10 bg-panel'
const headingText = 'font-sans text-[11px] font-medium text-muted'
/** Every reading is on one datum, so the readout names it once. */
const datumView = (h: HtmlBuilder<Message>): Html =>
h.span(
[
h.Class(headingText),
h.Title(`All positions are on the ${DATUM_LABEL} datum`),
],
[DATUM_LABEL],
)
const readoutTableView = (
head: Html,
body: ReadonlyArray<Html>,
h: HtmlBuilder<Message>,
): Html =>
h.table(
[h.Class('w-full border-separate border-spacing-0 font-mono text-xs')],
[
h.caption([h.Class('sr-only')], [CAPTION]),
h.thead([], [head]),
h.tbody([], [...body]),
],
)
const cellView = (
row: ReadoutRow,
column: ReadoutColumn,
model: Model,
classes: string,
h: HtmlBuilder<Message>,
): Html =>
h.keyed('td')(
`${row.id}-${column.formatter.id}`,
[h.Class(clsx('p-0', classes))],
[Cell.view(row, column, model, h)],
)
// WIDE: positions down, systems across
/**
* The readout shows positions (rows.ts) in each coordinate system (columns.ts). Wide screens
* get this table under the map.
*/
export const tableView = (model: Model, h: HtmlBuilder<Message>): Html => {
const rows = availableRows(model)
const columns = columnsFor(model.settings.values.profile)
return h.section(
[
h.AriaLabel('Coordinate readout'),
h.Class('shrink-0 overflow-x-auto border-t border-line bg-panel'),
],
[
readoutTableView(
h.tr(
[],
[
h.th(
[
h.Scope('col'),
h.Class(clsx(stickyLeft, 'w-28 px-3 pb-1 pt-2 text-left')),
],
[h.span([h.Class('sr-only')], ['Position. ']), datumView(h)],
),
...Array.map(columns, column =>
h.keyed('th')(
column.formatter.id,
[
h.Scope('col'),
h.Class(
clsx(
'min-w-36 border-l border-line px-3 pb-1 pt-2 text-left',
headingText,
),
),
],
[systemLabelView(column, model, h)],
),
),
],
),
Array.map(rows, (row, index) => {
const divider = index > 0 && 'border-t border-line-soft'
return h.keyed('tr')(
row.id,
[],
[
h.th(
[
h.Scope('row'),
h.Class(
clsx(
stickyLeft,
divider,
'px-3 text-left font-sans text-xs font-medium',
),
),
],
[positionLabelView(row, model, h)],
),
...Array.map(columns, column =>
cellView(
row,
column,
model,
clsx('border-l border-line', divider),
h,
),
),
],
)
}),
h,
),
],
)
}
// COMPACT: a sheet of system cards that scrolls sideways
const cardView = (
column: ReadoutColumn,
rows: ReadonlyArray<ReadoutRow>,
model: Model,
h: HtmlBuilder<Message>,
): Html =>
h.keyed('li')(
column.formatter.id,
[
h.Class(
'w-44 shrink-0 snap-start overflow-hidden rounded-lg border border-line bg-surface',
),
],
[
h.div(
[h.Class(clsx('px-3 pb-0.5 pt-2', headingText))],
[systemLabelView(column, model, h)],
),
...Array.map(rows, row =>
h.keyed('div')(
row.id,
[h.Class('pb-1 font-mono text-xs')],
[Cell.view(row, column, model, h)],
),
),
],
)
/** Compact screens get a sheet over the map, one card per system, which slides up while there is a position to show. */
export const sheetView = (model: Model, h: HtmlBuilder<Message>): Html => {
const rows = availableRows(model)
const columns = columnsFor(model.settings.values.profile)
const isOpen = Array.some(rows, row => Option.isSome(row.point(model)))
return h.section(
[
h.AriaLabel('Coordinate readout'),
h.AriaHidden(!isOpen),
...(isOpen ? [] : [h.Attribute('inert', '')]),
h.Class(
clsx(
'absolute inset-x-0 bottom-0 z-10 border-t border-line bg-panel/95 pb-[env(safe-area-inset-bottom)]',
'shadow-[0_-8px_24px_rgba(0,0,0,0.35)] transition-transform duration-200 ease-out motion-reduce:transition-none',
isOpen ? 'translate-y-0' : 'pointer-events-none translate-y-full',
),
),
],
[
h.div(
[h.Class('flex items-center gap-4 px-3 pb-1 pt-2 text-xs font-medium')],
[
...Array.map(rows, row =>
h.keyed('div')(
row.id,
[h.Class('flex flex-1 items-center')],
[positionLabelView(row, model, h)],
),
),
datumView(h),
],
),
h.ul(
[
h.AriaLabel('Coordinate systems'),
h.Class(
'flex snap-x snap-mandatory scroll-px-3 gap-2 overflow-x-auto px-3 pb-3 pt-1 [scrollbar-width:none] [&::-webkit-scrollbar]:hidden',
),
],
Array.map(columns, column => cardView(column, rows, model, h)),
),
],
)
}
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