All files / shared / components EntitySelectList.tsx

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import { useCallback, useEffect, useRef, useState } from 'react'
import { Button } from '@/components/ui/button'
import { EntitySelect, type SelectionOption } from './EntitySelect'
 
export type { SelectionOption } from './EntitySelect'
 
export const ENTITY_SELECT_LIST_MAX_ITEMS = 16
 
interface EntitySelectListProps {
  /** Form value: ordered repository id strings, or the joined ref shape
   * ({ repository_id, name, url }) from a read response. Ref shape is
  E * normalized into ordered ids before submit. */
  value: unknown
  options: SelectionOption[]
  isLoading?: boolean
  onChange?: (value: string[]) => void
  readOnly?: boolean
  'data-testid'?: string
}
 
function toIds(value: unknown): string[] {
  if (!Array.isArray(value)) return []
  return value.map((item) => {
    if (typeof item === 'string') return item
    if (item && typeof item === 'object') {
      const record = item as Record<string, unknown>
      return typeof record.repository_id === 'string' ? record.repository_id : ''
    }
    return ''
  })
}
 
function hasRefsShape(value: unknown): boolean {
  return (
    Array.isArray(value) &&
    value.some((item) => typeof item === 'object' && item !== null && 'repository_id' in item)
  )
}
 
function labelOf(id: string, options: SelectionOption[]): string {
  return options.find((o) => o.value === id)?.label ?? id
}
 
export function EntitySelectList({
  value,
  options,
  isLoading = false,
  onChange,
  EreadOnly = false,
  'data-testid': dataTestId,
}: EntitySelectListProps) {
  const [rows, setRows] = useState<string[]>(() => toIds(value))
  const lastEmitted = useRef<string | null>(
    hasRefsShape(value) ? null : JSON.stringify(toIds(value).filter((id) => id !== '')),
  )
 
  const emit = useCallback((next: string[]) => {
    const ids = next.filter((id) => id !== '')
    const key = JSON.stringify(ids)
    if (key === lastEmitted.current) return
    lastEmitted.current = key
    onChange?.(ids)
  }, [onChange])

  // The API request shape is an ordered UUID array; the read response is the
  // joined ref shape. Normalize refs into ordered ids once, immediately.
  // Runs before the adopt effect so refs never collapse into a no-op emit.
  useEffect(() => {
    if (!hasRefsShape(value)) return
    emit(toIds(value))
  }, [value, emit])
 
  // Adopt external value changes (populate, SSE) without clobbering local
  // draft rows (e.g. an added-but-empty row that has no value yet).
  useEffect(() => {
    if (hasRefsShape(value)) return
    const next = toIds(value)
    const key = JSON.stringify(next.filter((id) => id !== ''))
    if (key === lastEmitted.current) return
    lastEmitted.current = key
    setRows(next)
  }, [value])
 
  const handleRowChange = (i: number, id: string) => {
    const next = rows.map((row, idx) => (idx === i ? id : row))
    setRows(next)
    emit(next)
  }
 
  const handleRemove = (i: number) => {
    const next = rows.filter((_, idx) => idx !== i)
    setRows(next)
    emit(next)
  }
 
  const handleMove = (i: number, dir: -1 | 1) => {
    const j = i + dir
    if (j < 0 || j >= rows.length) return
    const next = [...rows]
    ;[next[i], next[j]] = [next[j], next[i]]
    setRows(next)
    emit(next)
  }
 
  if (readOnly) {
    if (rows.length === 0) {
      return (
        <span className="text-sm text-muted-foreground" data-testid={dataTestId}>
          No skill repositories
        </span>
      )
    }
    return (
      <ul className="flex flex-col gap-1" data-testid={dataTestId}>
        {rows.map((id) => (
          <li key={id} className="text-sm">
            {labelOf(id, options)}
          </li>
        ))}
      </ul>
    )
  }
 
  const atCap = rows.length >= ENTITY_SELECT_LIST_MAX_ITEMS
 
  return (
    <div className="flex w-full min-w-0 flex-col gap-2" data-testid={dataTestId}>
      {rows.map((id, i) => (
        <div
          key={`${id}-${i}`}
          data-testid={`entity-select-list-row-${i}`}
          className="flex w-full min-w-0 items-center gap-2"
        >
          <div className="min-w-0 flex-1" data-testid={`entity-select-list-select-${i}`}>
            <EntitySelect
              options={options}
              value={id || undefined}
              onChange={(v) => handleRowChange(i, (v as string | undefined) ?? '')}
              isLoading={isLoading}
            />
          </div>
          <Button
            variant="ghost"
            size="icon-sm"
            type="button"
            aria-label={`Move skill repository ${i} up`}
            data-testid={`entity-select-list-up-${i}`}
            disabled={i === 0}
            onClick={() => handleMove(i, -1)}
          >
            ↑
          </Button>
          <Button
            variant="ghost"
            size="icon-sm"
            type="button"
            aria-label={`Move skill repository ${i} down`}
            data-testid={`entity-select-list-down-${i}`}
            disabled={i === rows.length - 1}
            onClick={() => handleMove(i, 1)}
          >
            ↓
          </Button>
          <Button
            variant="ghost"
            size="icon-sm"
            type="button"
            aria-label={`Remove skill repository ${i}`}
            data-testid={`entity-select-list-remove-${i}`}
            onClick={() => handleRemove(i)}
          >
            ✕
          </Button>
        </div>
      ))}
      <div>
        <Button
          variant="outline"
          size="sm"
          type="button"
          disabled={atCap}
          data-testid="entity-select-list-add"
          onClick={() => setRows([...rows, ''])}
        >
          + Add skill repository
        </Button>
      </div>
    </div>
  )
}