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'next/navigation' import { Fragment, useCallback, useMemo, useState } from 'react' import { useMutation } from '@tanstack/react-query' import { useToast } from '@/components/common/ToastContext' import { GuestProgressBanner } from '@/components/GuestProgressBanner' // Direct imports to avoid barrel pulling in EmojiPicker (694KB emojibase-data) import { AddStudentByFamilyCodeModal } from '@/components/classroom/AddStudentByFamilyCodeModal' import { CreateClassroomForm } from '@/components/classroom/CreateClassroomForm' import { PendingApprovalsSection } from '@/components/classroom/PendingApprovalsSection' import { SessionObserverModal } from '@/components/classroom/SessionObserverModal' import { TeacherEnrollmentSection } from '@/components/classroom/TeacherEnrollmentSection' // Dynamic imports for modals that use EmojiPicker (694KB emojibase-data) const AddStudentToClassroomModal = dynamic( () => import('@/components/classroom/AddStudentToClassroomModal').then( (m) => m.AddStudentToClassroomModal ), { ssr: false } ) const AddStudentToClassroomContent = dynamic( () => import('@/components/classroom/AddStudentToClassroomModal').then( (m) => m.AddStudentToClassroomContent ), { ssr: false } ) import { useClassroomSocket } from '@/hooks/useClassroomSocket' import { api } from '@/lib/queryClient' import { PageWithNav } from '@/components/PageWithNav' import { EntryPromptBanner, getAvailableViews, getDefaultView, StudentFilterBar, StudentSelector, type StudentView, type StudentWithProgress, } from '@/components/practice' import { Z_INDEX } from '@/constants/zIndex' import { useTheme } from '@/contexts/ThemeContext' import { useMyClassroom } from '@/hooks/useClassroom' import { type CompactItem, useMeasuredCompactLayout } from '@/hooks/useMeasuredCompactLayout' import { useParentSocket } from '@/hooks/useParentSocket' import { computeViewCounts, filterStudentsByView, useUnifiedStudents, } from '@/hooks/useUnifiedStudents' import { useUpdatePlayer } from '@/hooks/useUserPlayers' import type { UnifiedStudent } from '@/types/student' import type { StudentWithSkillData } from '@/utils/studentGrouping' import { filterStudents, getStudentsNeedingAttention, groupStudents } from '@/utils/studentGrouping' import { css } from '../../../styled-system/css' // Dynamic import: AddStudentModal → EmojiPicker → emojibase-data (694KB) // Only loaded when the modal is opened const AddStudentModal = dynamic(() => import('./AddStudentModal').then((m) => m.AddStudentModal), { ssr: false, }) interface PracticeClientProps { initialPlayers: StudentWithSkillData[] /** Viewer ID for session observation */ viewerId: string /** Database user ID for parent socket notifications */ userId: string } /** * Practice page client component * * Uses React Query with server-prefetched data for immediate rendering. * Manages filter state (search, skills, archived, edit mode) and passes * grouped/filtered students to StudentSelector. */ export function PracticeClient({ initialPlayers, viewerId, userId }: PracticeClientProps) { const router = useRouter() const { resolvedTheme } = useTheme() const isDark = resolvedTheme === 'dark' const { showSuccess, showError } = useToast() // Classroom state - check if user is a teacher const { data: classroom, isLoading: isLoadingClassroom } = useMyClassroom() // Parent socket for real-time enrollment notifications // Only connect when user is NOT a teacher (classroom is null and not loading) const isParent = !isLoadingClassroom && !classroom useParentSocket(isParent ? userId : undefined) const [showCreateClassroom, setShowCreateClassroom] = useState(false) // Unified student data - merges children, enrolled, present, and active sessions const { students: unifiedStudents, isTeacher, classroomCode, classroomId, } = useUnifiedStudents(initialPlayers, userId) // Real-time WebSocket updates for classroom events // This invalidates React Query caches when students enter/leave, sessions start/end, etc. useClassroomSocket(classroomId) // Use unified students (already fetched above) as the main data source // Cast to maintain compatibility with existing grouping functions const players = unifiedStudents as StudentWithSkillData[] // Mutation for bulk updates const updatePlayer = useUpdatePlayer() // Count archived students const archivedCount = useMemo(() => players.filter((p) => p.isArchived).length, [players]) // Compute view counts from unified students (must be before availableViews) const viewCounts = useMemo( () => computeViewCounts(unifiedStudents, isTeacher), [unifiedStudents, isTeacher] ) // View and filter state - pass viewCounts so active sub-views appear conditionally const availableViews = useMemo( () => getAvailableViews(isTeacher, viewCounts), [isTeacher, viewCounts] ) const defaultView = useMemo(() => getDefaultView(isTeacher), [isTeacher]) const [currentView, setCurrentView] = useState<StudentView>(defaultView) const [searchQuery, setSearchQuery] = useState('') const [skillFilters, setSkillFilters] = useState<string[]>([]) const [showArchived, setShowArchived] = useState(false) const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set()) // Add student modal state (parent mode - create new child) const [showAddModal, setShowAddModal] = useState(false) // Track if we're adding to classroom (auto-enroll mode) const [addToClassroomMode, setAddToClassroomMode] = useState(false) // Unified add student to classroom modal (teacher mode - combines create, share, family code) const [showUnifiedAddModal, setShowUnifiedAddModal] = useState(false) // Add student modal state (teacher mode - add by family code) - legacy, kept for direct access const [showAddByFamilyCode, setShowAddByFamilyCode] = useState(false) // Session observation state const [observingStudent, setObservingStudent] = useState<UnifiedStudent | null>(null) // Filter students by view first, then apply search/skill filters const viewFilteredStudents = useMemo( () => filterStudentsByView(unifiedStudents, currentView), [unifiedStudents, currentView] ) // Apply search and skill filters on top of view filter const filteredStudents = useMemo( () => filterStudents( viewFilteredStudents as StudentWithSkillData[], searchQuery, skillFilters, showArchived ), [viewFilteredStudents, searchQuery, skillFilters, showArchived] ) const groupedStudents = useMemo(() => groupStudents(filteredStudents), [filteredStudents]) // Students needing intervention (only from non-archived, filtered set) const studentsNeedingAttention = useMemo( () => getStudentsNeedingAttention(filteredStudents), [filteredStudents] ) // Set of student IDs shown in attention section (for filtering) const attentionStudentIds = useMemo( () => new Set(studentsNeedingAttention.map((s) => s.id)), [studentsNeedingAttention] ) // Track attention counts per bucket/category for placeholder display const attentionCountsByBucket = useMemo(() => { const counts = new Map<string, Map<string | null, number>>() for (const student of studentsNeedingAttention) { // Find which bucket/category this student would be in for (const bucket of groupedStudents) { for (const category of bucket.categories) { if (category.students.some((s) => s.id === student.id)) { const bucketKey = bucket.bucket if (!counts.has(bucketKey)) { counts.set(bucketKey, new Map()) } const categoryKey = category.category const categoryMap = counts.get(bucketKey)! categoryMap.set(categoryKey, (categoryMap.get(categoryKey) ?? 0) + 1) } } } } return counts }, [studentsNeedingAttention, groupedStudents]) // Filter grouped students to exclude those in attention section const filteredGroupedStudents = useMemo(() => { return groupedStudents .map((bucket) => ({ ...bucket, categories: bucket.categories .map((category) => ({ ...category, students: category.students.filter((s) => !attentionStudentIds.has(s.id)), })) // Only show categories that have visible students (not moved to attention) .filter((category) => category.students.length > 0), })) .filter((bucket) => bucket.categories.length > 0) }, [groupedStudents, attentionStudentIds]) // Handle student selection - navigate to student's dashboard page const handleSelectStudent = useCallback( (student: StudentWithProgress) => { router.push(`/practice/${student.id}/dashboard`, { scroll: false }) }, [router] ) // Handle checkbox toggle for multi-select const handleToggleSelection = useCallback((student: StudentWithProgress) => { setSelectedIds((prev) => { const next = new Set(prev) if (next.has(student.id)) { next.delete(student.id) } else { next.add(student.id) } return next }) }, []) // Handle clear selection const handleClearSelection = useCallback(() => { setSelectedIds(new Set()) }, []) // Handle bulk archive using React Query mutation const handleBulkArchive = useCallback(async () => { if (selectedIds.size === 0) return // Send requests to archive each selected student using mutations const promises = Array.from(selectedIds).map((id) => updatePlayer.mutateAsync({ id, updates: { isArchived: true }, }) ) await Promise.all(promises) // Clear selection after archiving setSelectedIds(new Set()) }, [selectedIds, updatePlayer]) // Mutation for bulk entry prompts const bulkEntryPrompt = useMutation({ mutationFn: async (playerIds: string[]) => { if (!classroomId) throw new Error('No classroom ID') const response = await api(`classrooms/${classroomId}/entry-prompts`, { method: 'POST', body: JSON.stringify({ playerIds }), }) if (!response.ok) { const data = await response.json() throw new Error(data.error || 'Failed to send prompts') } return response.json() }, }) // Compute which selected students are eligible for entry prompts // (enrolled in teacher's classroom but not currently present) const promptEligibleIds = useMemo(() => { if (!isTeacher || !classroomId) return new Set<string>() return new Set( Array.from(selectedIds).filter((id) => { const student = unifiedStudents.find((s) => s.id === id) if (!student) return false // Must be enrolled but not present return student.relationship.isEnrolled && !student.relationship.isPresent }) ) }, [selectedIds, unifiedStudents, isTeacher, classroomId]) // Handle bulk prompt to enter const handleBulkPromptToEnter = useCallback(async () => { if (promptEligibleIds.size === 0) return try { const result = await bulkEntryPrompt.mutateAsync(Array.from(promptEligibleIds)) // Show success message const created = result.created ?? promptEligibleIds.size const skipped = result.skippedCount ?? 0 if (created > 0) { showSuccess( 'Entry prompts sent', `Sent to ${created} student${created !== 1 ? 's' : ''}${skipped > 0 ? ` (${skipped} skipped)` : ''}` ) } else if (skipped > 0) { showError( 'No prompts sent', `All ${skipped} students were skipped (already prompted or present)` ) } // Clear selection after prompting setSelectedIds(new Set()) } catch (error) { showError( 'Failed to send prompts', error instanceof Error ? error.message : 'An unexpected error occurred' ) } }, [promptEligibleIds, bulkEntryPrompt, showSuccess, showError]) // Handle add student - show create modal (parent mode, no auto-enroll) const handleAddStudent = useCallback(() => { setAddToClassroomMode(false) setShowAddModal(true) }, []) // Handle add student to classroom - show unified modal with all options const handleAddStudentToClassroom = useCallback(() => { setShowUnifiedAddModal(true) }, []) const handleCloseAddModal = useCallback(() => { setShowAddModal(false) setAddToClassroomMode(false) }, []) // Handle session observation - find the student and open observer modal const handleObserveSession = useCallback( (sessionId: string) => { // Find the student with this session const student = unifiedStudents.find((s) => s.activity?.sessionId === sessionId) if (student) { setObservingStudent(student) } }, [unifiedStudents] ) // Count archived students that match filters but are hidden const hiddenArchivedCount = useMemo(() => { if (showArchived) return 0 return filterStudents(players, searchQuery, skillFilters, true).filter((p) => p.isArchived) .length }, [players, searchQuery, skillFilters, showArchived]) // Handle classroom creation const handleBecomeTeacher = useCallback(() => { setShowCreateClassroom(true) }, []) const handleCloseCreateClassroom = useCallback(() => { setShowCreateClassroom(false) }, []) // Show create classroom modal if requested if (showCreateClassroom) { return ( <PageWithNav> <main data-component="practice-page" className={css({ minHeight: '100vh', backgroundColor: isDark ? 'gray.900' : 'gray.50', display: 'flex', alignItems: 'center', justifyContent: 'center', padding: '24px', })} > <div className={css({ maxWidth: '500px', width: '100%', })} > <CreateClassroomForm onCancel={handleCloseCreateClassroom} /> </div> </main> </PageWithNav> ) } // Parent view - show student list with filter bar return ( <PageWithNav> <main data-component="practice-page" className={css({ minHeight: '100vh', backgroundColor: isDark ? 'gray.900' : 'gray.50', paddingTop: '80px', // Filter bar height (~80px) — nav offset handled by PageWithNav })} > {/* Guest save-your-progress banner */} <GuestProgressBanner /> {/* Filter Bar */} <StudentFilterBar currentView={currentView} onViewChange={setCurrentView} availableViews={availableViews} viewCounts={viewCounts} classroom={classroom} searchQuery={searchQuery} onSearchChange={setSearchQuery} skillFilters={skillFilters} onSkillFiltersChange={setSkillFilters} showArchived={showArchived} onShowArchivedChange={setShowArchived} archivedCount={archivedCount} onAddStudent={handleAddStudent} onAddStudentToClassroom={isTeacher ? handleAddStudentToClassroom : undefined} selectedCount={selectedIds.size} onBulkArchive={handleBulkArchive} onBulkPromptToEnter={isTeacher ? handleBulkPromptToEnter : undefined} promptEligibleCount={promptEligibleIds.size} onClearSelection={handleClearSelection} /> <div className={css({ maxWidth: '1000px', margin: '0 auto', padding: '2rem', })} > {/* Teacher option */} {!isLoadingClassroom && !classroom && ( <div className={css({ display: 'flex', flexWrap: 'wrap', justifyContent: 'center', gap: '12px', marginBottom: '1rem', })} > {/* Become a Teacher option */} <button type="button" onClick={handleBecomeTeacher} data-action="become-teacher" className={css({ padding: '8px 16px', backgroundColor: 'transparent', color: isDark ? 'blue.400' : 'blue.600', border: '1px solid', borderColor: isDark ? 'blue.700' : 'blue.300', borderRadius: '8px', fontSize: '0.875rem', cursor: 'pointer', transition: 'all 0.15s ease', _hover: { backgroundColor: isDark ? 'blue.900/30' : 'blue.50', borderColor: isDark ? 'blue.500' : 'blue.400', }, })} > 🏫 Are you a teacher? Create a classroom </button> </div> )} {/* Teacher Enrollment Requests - for teachers to approve parent-initiated requests */} {isTeacher && classroomId && <TeacherEnrollmentSection classroomId={classroomId} />} {/* Pending Enrollment Approvals - for parents to approve teacher-initiated requests */} <PendingApprovalsSection /> {/* Entry Prompt Banner - for parents to respond to teacher classroom entry requests */} {/* Shows for anyone with children, even if they're also a teacher */} <EntryPromptBanner /> {/* All Students - unified layout with measurement-based compact sections */} {filteredGroupedStudents.length === 0 && studentsNeedingAttention.length === 0 ? ( <ViewEmptyState currentView={currentView} classroomId={classroomId} classroomCode={classroomCode} searchQuery={searchQuery} skillFilters={skillFilters} showArchived={showArchived} onAddStudent={handleAddStudent} isDark={isDark} /> ) : ( <MeasuredGroupedStudents studentsNeedingAttention={studentsNeedingAttention} filteredGroupedStudents={filteredGroupedStudents} attentionCountsByBucket={attentionCountsByBucket} selectedIds={selectedIds} isDark={isDark} onSelectStudent={handleSelectStudent} onToggleSelection={handleToggleSelection} onObserveSession={handleObserveSession} /> )} {/* Hidden archived students indicator - only shown when filtering */} {hiddenArchivedCount > 0 && !showArchived && (searchQuery || skillFilters.length > 0) && ( <button type="button" onClick={() => setShowArchived(true)} data-element="hidden-archived-indicator" className={css({ display: 'flex', alignItems: 'center', justifyContent: 'center', gap: '8px', width: '100%', padding: '16px', marginTop: '16px', bg: isDark ? 'gray.800/50' : 'gray.100', border: '1px dashed', borderColor: isDark ? 'gray.700' : 'gray.300', borderRadius: '12px', fontSize: '14px', color: isDark ? 'gray.400' : 'gray.500', cursor: 'pointer', transition: 'all 0.15s ease', _hover: { bg: isDark ? 'gray.800' : 'gray.200', borderColor: isDark ? 'gray.600' : 'gray.400', color: isDark ? 'gray.300' : 'gray.600', }, })} > <span>👁🗨</span> <span> {hiddenArchivedCount} archived student {hiddenArchivedCount !== 1 ? 's' : ''} not shown </span> <span className={css({ fontSize: '12px', color: isDark ? 'gray.500' : 'gray.400', })} > — click to show </span> </button> )} </div> </main> {/* Add Student Modal (Parent - create new child, or Teacher - create & enroll) */} <AddStudentModal isOpen={showAddModal} onClose={handleCloseAddModal} isDark={isDark} classroomId={addToClassroomMode ? classroomId : undefined} classroomName={addToClassroomMode ? classroom?.name : undefined} /> {/* Unified Add Student to Classroom Modal (Teacher mode - combines all options) */} {classroomId && classroomCode && classroom && ( <AddStudentToClassroomModal isOpen={showUnifiedAddModal} onClose={() => setShowUnifiedAddModal(false)} classroomId={classroomId} classroomName={classroom.name} classroomCode={classroomCode} /> )} {/* Add Student Modal (Teacher - add by family code) - legacy, kept for direct access */} {classroomId && ( <AddStudentByFamilyCodeModal isOpen={showAddByFamilyCode} onClose={() => setShowAddByFamilyCode(false)} classroomId={classroomId} /> )} {/* Session Observer Modal */} {observingStudent && observingStudent.activity?.sessionId && ( <SessionObserverModal isOpen={!!observingStudent} onClose={() => setObservingStudent(null)} session={{ sessionId: observingStudent.activity.sessionId, playerId: observingStudent.id, completedProblems: observingStudent.activity.sessionProgress?.current ?? 0, totalProblems: observingStudent.activity.sessionProgress?.total ?? 0, // These fields are required by the type but not used by the modal startedAt: new Date().toISOString(), currentPartIndex: 0, currentSlotIndex: 0, totalParts: 1, }} student={{ name: observingStudent.name, emoji: observingStudent.emoji, color: observingStudent.color, }} observerId={userId} canShare={observingStudent.relationship.isMyChild} classroomId={classroomId} /> )} </PageWithNav> ) } // ============================================================================= // MeasuredGroupedStudents - Uses measurement-based layout for compact sections // ============================================================================= interface MeasuredGroupedStudentsProps { studentsNeedingAttention: StudentWithSkillData[] filteredGroupedStudents: ReturnType<typeof groupStudents> attentionCountsByBucket: Map<string, Map<string | null, number>> selectedIds: Set<string> isDark: boolean onSelectStudent: (student: StudentWithProgress) => void onToggleSelection: (student: StudentWithProgress) => void onObserveSession: (sessionId: string) => void } /** * Renders grouped students with measurement-based compact layout. * Uses hidden measurement container to determine which items can fit together. */ function MeasuredGroupedStudents({ studentsNeedingAttention, filteredGroupedStudents, attentionCountsByBucket, selectedIds, isDark, onSelectStudent, onToggleSelection, onObserveSession, }: MeasuredGroupedStudentsProps) { // Helper to check if a category is compact (1 student, no attention placeholder) const isCategoryCompact = ( bucket: (typeof filteredGroupedStudents)[0], cat: (typeof bucket.categories)[0] ) => { const attentionCount = attentionCountsByBucket.get(bucket.bucket)?.get(cat.category) ?? 0 return cat.students.length === 1 && attentionCount === 0 } // Helper to check if entire bucket is compact const isBucketCompact = (bucket: (typeof filteredGroupedStudents)[0]) => bucket.categories.every((cat) => isCategoryCompact(bucket, cat)) // Section type for attention and buckets type Section = | { type: 'attention'; students: typeof studentsNeedingAttention } | { type: 'bucket'; bucket: (typeof filteredGroupedStudents)[0] } // Helper to check if a section is potentially compact const isSectionCompact = (section: Section) => { if (section.type === 'attention') { return section.students.length === 1 } return isBucketCompact(section.bucket) } // Build list of all sections (attention first, then buckets) const allSections: Section[] = useMemo(() => { const sections: Section[] = [] if (studentsNeedingAttention.length > 0) { sections.push({ type: 'attention', students: studentsNeedingAttention }) } for (const bucket of filteredGroupedStudents) { sections.push({ type: 'bucket', bucket }) } return sections }, [studentsNeedingAttention, filteredGroupedStudents]) // Chunk sections into "compact runs" and "full sections" type Chunk = { type: 'compact-run'; sections: Section[] } | { type: 'full'; section: Section } const chunks: Chunk[] = useMemo(() => { const result: Chunk[] = [] let compactRun: Section[] = [] for (const section of allSections) { if (isSectionCompact(section)) { compactRun.push(section) } else { if (compactRun.length > 0) { result.push({ type: 'compact-run', sections: compactRun }) compactRun = [] } result.push({ type: 'full', section }) } } if (compactRun.length > 0) { result.push({ type: 'compact-run', sections: compactRun }) } return result }, [allSections]) // eslint-disable-line react-hooks/exhaustive-deps // Render a compact item element (for measurement and display) const renderCompactItem = useCallback( (section: Section, itemKey: string) => { if (section.type === 'attention') { return ( <div key={itemKey} data-bucket="attention" data-compact="true" className={css({ display: 'flex', flexDirection: 'column', gap: '2px', })} > <span data-element="compact-label" className={css({ fontSize: '0.6875rem', fontWeight: 'medium', color: isDark ? 'orange.400' : 'orange.500', paddingLeft: '4px', display: 'flex', gap: '4px', alignItems: 'center', })} > <span>⚠️</span> <span className={css({ textTransform: 'uppercase', letterSpacing: '0.03em', })} > Needs Attention </span> </span> <StudentSelector students={section.students as StudentWithProgress[]} onSelectStudent={onSelectStudent} onToggleSelection={onToggleSelection} onObserveSession={onObserveSession} title="" selectedIds={selectedIds} hideAddButton compact /> </div> ) } // This shouldn't happen for compact buckets - we expand them into categories return null }, [isDark, selectedIds, onSelectStudent, onToggleSelection, onObserveSession] ) // Render a compact category item element const renderCompactCategoryItem = useCallback( ( bucket: (typeof filteredGroupedStudents)[0], cat: (typeof bucket.categories)[0], itemKey: string ) => { return ( <div key={itemKey} data-bucket={bucket.bucket} data-category={cat.category ?? 'new'} data-compact="true" className={css({ display: 'flex', flexDirection: 'column', gap: '2px', })} > <span data-element="compact-label" className={css({ fontSize: '0.6875rem', fontWeight: 'medium', color: isDark ? 'gray.500' : 'gray.400', paddingLeft: '4px', display: 'flex', gap: '4px', alignItems: 'center', })} > <span className={css({ textTransform: 'uppercase', letterSpacing: '0.03em', color: isDark ? 'gray.600' : 'gray.350', })} > {bucket.bucketName} </span> <span className={css({ color: isDark ? 'gray.600' : 'gray.300' })}>·</span> <span>{cat.categoryName}</span> </span> <StudentSelector students={cat.students as StudentWithProgress[]} onSelectStudent={onSelectStudent} onToggleSelection={onToggleSelection} onObserveSession={onObserveSession} title="" selectedIds={selectedIds} hideAddButton compact /> </div> ) }, [isDark, selectedIds, onSelectStudent, onToggleSelection, onObserveSession] ) // Build compact items for all compact runs (for measurement) const compactItems: CompactItem[] = useMemo(() => { const items: CompactItem[] = [] for (const chunk of chunks) { if (chunk.type === 'compact-run') { for (const section of chunk.sections) { if (section.type === 'attention') { const itemKey = 'attention' items.push({ id: itemKey, element: renderCompactItem(section, itemKey), }) } else { // Expand bucket into individual category items for (const cat of section.bucket.categories) { const itemKey = `${section.bucket.bucket}-${cat.category ?? 'null'}` items.push({ id: itemKey, element: renderCompactCategoryItem(section.bucket, cat, itemKey), }) } } } } } return items }, [chunks, renderCompactItem, renderCompactCategoryItem]) // Use measurement hook const { containerRef, itemRefs, rows, isReady } = useMeasuredCompactLayout(compactItems, 12) // Create a map from item ID to which row it belongs const itemRowMap = useMemo(() => { const map = new Map<string, number>() rows.forEach((row, rowIdx) => { for (const item of row) { map.set(item.id, rowIdx) } }) return map }, [rows]) // Render full section const renderFullSection = useCallback( (section: Section, key: string) => { if (section.type === 'attention') { // Full attention section (multiple students) return ( <div key={key} data-bucket="attention" data-component="needs-attention-bucket"> <h2 data-element="bucket-header" className={css({ position: 'sticky', top: '160px', zIndex: Z_INDEX.STICKY_BUCKET_HEADER, fontSize: '0.875rem', fontWeight: 'semibold', color: isDark ? 'orange.400' : 'orange.600', textTransform: 'uppercase', letterSpacing: '0.05em', marginBottom: '12px', paddingTop: '8px', paddingBottom: '8px', borderBottom: '2px solid', borderColor: isDark ? 'orange.700' : 'orange.300', bg: isDark ? 'gray.900' : 'gray.50', display: 'flex', alignItems: 'center', gap: '8px', })} > <span>⚠️</span> <span>Needs Attention</span> <span className={css({ display: 'inline-flex', alignItems: 'center', justifyContent: 'center', minWidth: '20px', height: '20px', padding: '0 6px', borderRadius: '10px', backgroundColor: isDark ? 'orange.700' : 'orange.500', color: 'white', fontSize: '0.75rem', fontWeight: 'bold', })} > {section.students.length} </span> </h2> <StudentSelector students={section.students as StudentWithProgress[]} onSelectStudent={onSelectStudent} onToggleSelection={onToggleSelection} onObserveSession={onObserveSession} title="" selectedIds={selectedIds} hideAddButton /> </div> ) } // Full bucket const bucket = section.bucket return ( <div key={key} data-bucket={bucket.bucket}> <h2 data-element="bucket-header" className={css({ position: 'sticky', top: '160px', zIndex: Z_INDEX.STICKY_BUCKET_HEADER, fontSize: '0.875rem', fontWeight: 'semibold', color: isDark ? 'gray.400' : 'gray.500', textTransform: 'uppercase', letterSpacing: '0.05em', marginBottom: '12px', paddingTop: '8px', paddingBottom: '8px', borderBottom: '2px solid', borderColor: isDark ? 'gray.700' : 'gray.200', bg: isDark ? 'gray.900' : 'gray.50', })} > {bucket.bucketName} </h2> {/* Categories within bucket */} <div className={css({ display: 'flex', flexDirection: 'column', gap: '16px', })} > {bucket.categories.map((category) => { const attentionCount = attentionCountsByBucket.get(bucket.bucket)?.get(category.category) ?? 0 return ( <div key={category.category ?? 'null'} data-category={category.category ?? 'new'}> {/* Category header - sticky below bucket header */} <h3 data-element="category-header" className={css({ position: 'sticky', top: '195px', zIndex: Z_INDEX.STICKY_CATEGORY_HEADER, fontSize: '0.8125rem', fontWeight: 'medium', color: isDark ? 'gray.500' : 'gray.400', marginBottom: '8px', paddingTop: '4px', paddingBottom: '4px', paddingLeft: '4px', bg: isDark ? 'gray.900' : 'gray.50', })} > {category.categoryName} </h3> {/* Student cards wrapper */} <div className={css({ display: 'flex', flexWrap: 'wrap', gap: '8px', alignItems: 'stretch', })} > {category.students.length > 0 && ( <StudentSelector students={category.students as StudentWithProgress[]} onSelectStudent={onSelectStudent} onToggleSelection={onToggleSelection} onObserveSession={onObserveSession} title="" selectedIds={selectedIds} hideAddButton /> )} {/* Attention placeholder */} {attentionCount > 0 && ( <div data-element="attention-placeholder" data-attention-count={attentionCount} className={css({ display: 'flex', alignItems: 'center', justifyContent: 'center', padding: '12px 16px', borderRadius: '8px', border: '2px dashed', borderColor: isDark ? 'orange.700' : 'orange.300', color: isDark ? 'orange.400' : 'orange.600', fontSize: '0.8125rem', textAlign: 'center', minHeight: '60px', flexShrink: 0, })} > +{attentionCount} in Needs Attention </div> )} </div> </div> ) })} </div> </div> ) }, [ isDark, selectedIds, onSelectStudent, onToggleSelection, onObserveSession, attentionCountsByBucket, ] ) return ( <div ref={containerRef} data-component="grouped-students" className={css({ display: 'flex', flexDirection: 'column', gap: '24px', position: 'relative', })} > {/* Hidden measurement container */} <div data-element="measurement-container" style={{ position: 'absolute', visibility: 'hidden', pointerEvents: 'none', top: 0, left: 0, right: 0, display: 'flex', flexWrap: 'nowrap', }} > {compactItems.map((item) => ( <div key={item.id} ref={(el) => { if (el) itemRefs.current.set(item.id, el) else itemRefs.current.delete(item.id) }} style={{ flexShrink: 0 }} > {item.element} </div> ))} </div> {/* Visible layout */} {isReady && chunks.map((chunk, chunkIdx) => { if (chunk.type === 'full') { return renderFullSection( chunk.section, chunk.section.type === 'attention' ? 'attention' : chunk.section.bucket.bucket ) } // Compact run - render as measured rows // Get all item IDs for this compact run const runItemIds: string[] = [] for (const section of chunk.sections) { if (section.type === 'attention') { runItemIds.push('attention') } else { for (const cat of section.bucket.categories) { runItemIds.push(`${section.bucket.bucket}-${cat.category ?? 'null'}`) } } } // Group items by their measured row const rowGroups = new Map<number, CompactItem[]>() for (const id of runItemIds) { const rowIdx = itemRowMap.get(id) ?? 0 const item = compactItems.find((i) => i.id === id) if (item) { if (!rowGroups.has(rowIdx)) { rowGroups.set(rowIdx, []) } rowGroups.get(rowIdx)!.push(item) } } // Render each row return Array.from(rowGroups.entries()) .sort(([a], [b]) => a - b) .map(([rowIdx, items]) => ( <div key={`compact-run-${chunkIdx}-row-${rowIdx}`} data-element="compact-sections-row" className={css({ display: 'flex', flexWrap: 'wrap', gap: '12px', alignItems: 'flex-start', })} > {items.map((item) => ( <Fragment key={item.id}>{item.element}</Fragment> ))} </div> )) })} </div> ) } /** * ViewEmptyState - View-specific empty states */ interface ViewEmptyStateProps { currentView: StudentView classroomId?: string classroomCode?: string searchQuery: string skillFilters: string[] showArchived: boolean onAddStudent: () => void isDark: boolean } function ViewEmptyState({ currentView, classroomId, classroomCode, searchQuery, skillFilters, showArchived, onAddStudent, isDark, }: ViewEmptyStateProps) { // Filter-based empty state takes priority if (searchQuery || skillFilters.length > 0) { return ( <div data-element="empty-state" data-reason="filters" className={css({ textAlign: 'center', padding: '3rem', color: isDark ? 'gray.400' : 'gray.500', })} > No students match your filters </div> ) } if (showArchived) { return ( <div data-element="empty-state" data-reason="no-archived" className={css({ textAlign: 'center', padding: '3rem', color: isDark ? 'gray.400' : 'gray.500', })} > No archived students </div> ) } // View-specific empty states switch (currentView) { case 'in-classroom': return ( <div data-element="empty-state" data-reason="no-students-in-classroom" className={css({ textAlign: 'center', padding: '3rem', display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '24px', })} > <div className={css({ fontSize: '3rem', })} > 🏫 </div> <div> <h3 className={css({ fontSize: '1.25rem', fontWeight: 'semibold', color: isDark ? 'gray.200' : 'gray.700', marginBottom: '8px', })} > No students in classroom </h3> <p className={css({ color: isDark ? 'gray.400' : 'gray.500', })} > Enrolled students can enter via their practice page, or you can prompt them to join. </p> </div> {/* Instructions for bulk prompt */} <div className={css({ backgroundColor: isDark ? 'gray.800' : 'gray.50', border: '1px solid', borderColor: isDark ? 'gray.700' : 'gray.200', borderRadius: '12px', padding: '16px 20px', maxWidth: '400px', textAlign: 'left', })} > <p className={css({ fontSize: '0.875rem', fontWeight: 'medium', color: isDark ? 'gray.300' : 'gray.600', marginBottom: '8px', })} > To prompt students to enter: </p> <ol className={css({ fontSize: '0.875rem', color: isDark ? 'gray.400' : 'gray.500', paddingLeft: '20px', margin: 0, display: 'flex', flexDirection: 'column', gap: '4px', })} > <li>Switch to the "Enrolled" view above</li> <li>Select students using the checkboxes</li> <li>Click "Prompt to Enter" in the selection bar</li> </ol> </div> </div> ) case 'enrolled': return ( <div data-element="empty-state" data-reason="no-enrolled-students" className={css({ padding: '2rem', display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '24px', maxWidth: '700px', margin: '0 auto', })} > <div className={css({ textAlign: 'center' })}> <div className={css({ fontSize: '2.5rem', marginBottom: '8px', })} > 📋 </div> <h3 className={css({ fontSize: '1.25rem', fontWeight: 'semibold', color: isDark ? 'gray.200' : 'gray.700', marginBottom: '4px', })} > No enrolled students yet </h3> <p className={css({ color: isDark ? 'gray.400' : 'gray.500', fontSize: '0.9375rem', })} > Add your first student to get started </p> </div> {classroomId && classroomCode && ( <AddStudentToClassroomContent classroomId={classroomId} classroomCode={classroomCode} /> )} </div> ) case 'my-children': case 'all': default: return ( <div data-element="empty-state" data-reason="no-students" className={css({ textAlign: 'center', padding: '4rem 2rem', display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '20px', maxWidth: '420px', margin: '0 auto', })} > <h2 className={css({ fontSize: '1.5rem', fontWeight: 'bold', color: isDark ? 'gray.100' : 'gray.800', margin: 0, })} > Welcome to Abaci </h2> <p className={css({ fontSize: '1rem', lineHeight: '1.5', color: isDark ? 'gray.400' : 'gray.500', margin: 0, })} > Add a student to get started with adaptive math practice. </p> <button type="button" onClick={onAddStudent} data-action="add-first-student" className={css({ padding: '14px 32px', bg: isDark ? 'green.700' : 'green.500', color: 'white', border: 'none', borderRadius: '12px', fontSize: '1rem', fontWeight: '600', cursor: 'pointer', transition: 'background 0.15s ease', _hover: { bg: isDark ? 'green.600' : 'green.600', }, })} > Add a student </button> </div> ) } } |