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import { useTheme } from '@/contexts/ThemeContext'
import type { ProblemSlot } from '@/db/schema/session-plans'
import { Tooltip, TooltipProvider } from '../ui/Tooltip'
import { css } from '../../../styled-system/css'
type Purpose = 'focus' | 'reinforce' | 'review' | 'challenge'
/**
* Minimal complexity data for tooltip display
* Used when full slot isn't available (e.g., in session observer)
*/
export interface ComplexityData {
/** Complexity bounds from slot constraints */
bounds?: { min?: number; max?: number }
/** Total complexity cost from generation trace */
totalCost?: number
/** Number of steps (for per-term average) */
stepCount?: number
/** Pre-formatted target skill name */
targetSkillName?: string
}
interface PurposeBadgeProps {
/** The purpose type */
purpose: Purpose
/** Optional slot for detailed tooltip (when available) */
slot?: ProblemSlot
/** Optional simplified complexity data (alternative to slot, for observers) */
complexity?: ComplexityData
}
/**
* Extract the primary skill from constraints for display
*/
export function extractTargetSkillName(slot: ProblemSlot): string | null {
const targetSkills = slot.constraints?.targetSkills
if (!targetSkills) return null
// Look for specific skill in targetSkills
for (const [category, skills] of Object.entries(targetSkills)) {
if (skills && typeof skills === 'object') {
const skillKeys = Object.keys(skills)
if (skillKeys.length === 1) {
// Single skill - this is a targeted reinforce/review
return formatSkillName(category, skillKeys[0])
}
}
}
return null
}
/**
* Format a skill ID into a human-readable name
*/
export function formatSkillName(category: string, skillKey: string): string {
// Categories: basic, fiveComplements, tenComplements
if (category === 'basic') {
// Format "+3" or "-5" into "add 3" or "subtract 5"
if (skillKey.startsWith('+')) {
return `add ${skillKey.slice(1)}`
}
if (skillKey.startsWith('-')) {
return `subtract ${skillKey.slice(1)}`
}
return skillKey
}
if (category === 'fiveComplements') {
// Format "4=5-1" into "5-complement for 4"
const match = skillKey.match(/^(\d+)=/)
if (match) {
return `5-complement for ${match[1]}`
}
return skillKey
}
if (category === 'tenComplements') {
// Format "9=10-1" into "10-complement for 9"
const match = skillKey.match(/^(\d+)=/)
if (match) {
return `10-complement for ${match[1]}`
}
return skillKey
}
return `${category}: ${skillKey}`
}
/**
* Complexity section for purpose tooltip - shows complexity bounds and actual costs
* Accepts either a full slot or simplified complexity data
*/
function ComplexitySection({
slot,
complexity,
showBounds = true,
}: {
slot?: ProblemSlot
complexity?: ComplexityData
showBounds?: boolean
}) {
// Extract data from slot or use simplified complexity data
const bounds = slot?.complexityBounds ?? complexity?.bounds
const totalCost = slot?.problem?.generationTrace?.totalComplexityCost ?? complexity?.totalCost
const stepCount = slot?.problem?.generationTrace?.steps?.length ?? complexity?.stepCount
const hasBounds = bounds && (bounds.min !== undefined || bounds.max !== undefined)
const hasCost = totalCost !== undefined && !Number.isNaN(totalCost)
// Don't render anything if no complexity data
if (!hasBounds && !hasCost) {
return null
}
const sectionStyles = {
container: css({
marginTop: '0.5rem',
padding: '0.5rem',
backgroundColor: 'gray.800',
borderRadius: '6px',
fontSize: '0.8125rem',
}),
header: css({
display: 'flex',
alignItems: 'center',
gap: '0.25rem',
color: 'gray.400',
fontWeight: '500',
marginBottom: '0.375rem',
}),
row: css({
display: 'flex',
justifyContent: 'space-between',
alignItems: 'center',
color: 'gray.300',
paddingY: '0.125rem',
}),
value: css({
fontFamily: 'mono',
color: 'white',
}),
boundsLabel: css({
color: 'gray.500',
fontSize: '0.75rem',
}),
}
// Format bounds string
let boundsText = ''
if (bounds?.min !== undefined && bounds?.max !== undefined) {
boundsText = `${bounds.min} – ${bounds.max}`
} else if (bounds?.min !== undefined) {
boundsText = `≥${bounds.min}`
} else if (bounds?.max !== undefined) {
boundsText = `≤${bounds.max}`
}
return (
<div className={sectionStyles.container} data-element="complexity-section">
<div className={sectionStyles.header}>
<span>📊</span>
<span>Complexity</span>
</div>
{showBounds && hasBounds && (
<div className={sectionStyles.row}>
<span className={sectionStyles.boundsLabel}>Required range:</span>
<span className={sectionStyles.value}>{boundsText}</span>
</div>
)}
{hasCost && (
<div className={sectionStyles.row}>
<span>Total cost:</span>
<span className={sectionStyles.value}>{totalCost}</span>
</div>
)}
{hasCost && stepCount && stepCount > 0 && (
<div className={sectionStyles.row}>
<span>Per term (avg):</span>
<span className={sectionStyles.value}>{(totalCost! / stepCount).toFixed(1)}</span>
</div>
)}
</div>
)
}
/**
* Term count section for purpose tooltip - shows dynamic term count scaling info
*/
function TermCountSection({ slot }: { slot?: ProblemSlot }) {
const explanation = slot?.termCountExplanation
if (!explanation) return null
const { comfortLevel, factors, dynamicRange, override, finalRange } = explanation
const modeLabel =
factors.sessionMode === 'remediation'
? 'Remediation (shorter)'
: factors.sessionMode === 'progression'
? 'Progression'
: 'Maintenance'
const sectionStyles = {
container: css({
marginTop: '0.5rem',
padding: '0.5rem',
backgroundColor: 'gray.800',
borderRadius: '6px',
fontSize: '0.8125rem',
}),
header: css({
display: 'flex',
alignItems: 'center',
gap: '0.25rem',
color: 'gray.400',
fontWeight: '500',
marginBottom: '0.375rem',
}),
row: css({
display: 'flex',
justifyContent: 'space-between',
alignItems: 'center',
color: 'gray.300',
paddingY: '0.125rem',
}),
value: css({
fontFamily: 'mono',
color: 'white',
}),
}
return (
<div className={sectionStyles.container} data-element="term-count-section">
<div className={sectionStyles.header}>
<span>📐</span>
<span>Problem Length</span>
</div>
<div className={sectionStyles.row}>
<span>Terms:</span>
<span className={sectionStyles.value}>
{finalRange.min}–{finalRange.max}
</span>
</div>
<div className={sectionStyles.row}>
<span>Comfort level:</span>
<span className={sectionStyles.value}>{Math.round(comfortLevel * 100)}%</span>
</div>
<div className={sectionStyles.row}>
<span>Session mode:</span>
<span>{modeLabel}</span>
</div>
{factors.avgMastery !== null && (
<div className={sectionStyles.row}>
<span>Avg mastery:</span>
<span className={sectionStyles.value}>{Math.round(factors.avgMastery * 100)}%</span>
</div>
)}
{override && (
<div className={sectionStyles.row}>
<span>Override cap:</span>
<span className={sectionStyles.value}>max {override.max}</span>
</div>
)}
</div>
)
}
const tooltipStyles = {
container: css({
display: 'flex',
flexDirection: 'column',
gap: '0.5rem',
}),
header: css({
display: 'flex',
alignItems: 'center',
gap: '0.5rem',
fontWeight: 'bold',
fontSize: '0.9375rem',
}),
emoji: css({
fontSize: '1.125rem',
}),
description: css({
color: 'gray.300',
lineHeight: '1.5',
}),
detail: css({
display: 'flex',
alignItems: 'center',
gap: '0.375rem',
padding: '0.375rem 0.5rem',
backgroundColor: 'gray.800',
borderRadius: '6px',
fontSize: '0.8125rem',
}),
detailLabel: css({
color: 'gray.400',
fontWeight: '500',
}),
detailValue: css({
color: 'white',
fontFamily: 'mono',
}),
}
const purposeInfo: Record<Purpose, { emoji: string; title: string; description: string }> = {
focus: {
emoji: '🎯',
title: 'Focus Practice',
description:
"Building mastery of your current curriculum skills. These problems are at the heart of what you're learning right now.",
},
reinforce: {
emoji: '💪',
title: 'Reinforcement',
description:
'Extra practice for skills identified as needing more work. These problems target areas where mastery is still developing.',
},
review: {
emoji: '🔄',
title: 'Spaced Review',
description:
'Keeping mastered skills fresh through spaced repetition. Regular review prevents forgetting and strengthens long-term memory.',
},
challenge: {
emoji: '⭐',
title: 'Challenge',
description:
'Harder problems that require complement techniques for every term. These push your skills and build deeper fluency.',
},
}
/**
* Purpose tooltip content - rich explanatory content for each purpose
*/
function PurposeTooltipContent({
purpose,
slot,
complexity,
}: {
purpose: Purpose
slot?: ProblemSlot
complexity?: ComplexityData
}) {
const info = purposeInfo[purpose]
// Get skill name from slot or from simplified complexity data
const skillName = slot ? extractTargetSkillName(slot) : (complexity?.targetSkillName ?? null)
return (
<div className={tooltipStyles.container}>
<div className={tooltipStyles.header}>
<span className={tooltipStyles.emoji}>{info.emoji}</span>
<span>{info.title}</span>
</div>
<p className={tooltipStyles.description}>{info.description}</p>
{/* Purpose-specific details */}
{purpose === 'focus' && (
<div className={tooltipStyles.detail}>
<span className={tooltipStyles.detailLabel}>Distribution:</span>
<span className={tooltipStyles.detailValue}>60% of session</span>
</div>
)}
{purpose === 'reinforce' && skillName && (
<div className={tooltipStyles.detail}>
<span className={tooltipStyles.detailLabel}>Targeting:</span>
<span className={tooltipStyles.detailValue}>{skillName}</span>
</div>
)}
{purpose === 'review' && (
<>
{skillName && (
<div className={tooltipStyles.detail}>
<span className={tooltipStyles.detailLabel}>Reviewing:</span>
<span className={tooltipStyles.detailValue}>{skillName}</span>
</div>
)}
<div className={tooltipStyles.detail}>
<span className={tooltipStyles.detailLabel}>Schedule:</span>
<span className={tooltipStyles.detailValue}>
Mastered: 14 days • Practicing: 7 days
</span>
</div>
</>
)}
{purpose === 'challenge' && (
<div className={tooltipStyles.detail}>
<span className={tooltipStyles.detailLabel}>Requirement:</span>
<span className={tooltipStyles.detailValue}>Every term uses complements</span>
</div>
)}
{/* Complexity section when slot or complexity data is available */}
{(slot || complexity) && <ComplexitySection slot={slot} complexity={complexity} />}
{/* Term count section with comfort level details */}
{slot && <TermCountSection slot={slot} />}
</div>
)
}
/**
* Shared purpose badge component with tooltip
*
* Shows the slot's purpose (focus/reinforce/review/challenge) with
* appropriate styling and a tooltip explaining what the purpose means.
*
* Used by both the student's ActiveSession and the teacher's SessionObserverModal.
*/
export function PurposeBadge({ purpose, slot, complexity }: PurposeBadgeProps) {
const { resolvedTheme } = useTheme()
const isDark = resolvedTheme === 'dark'
const badgeStyles = css({
position: 'relative',
padding: '0.25rem 0.75rem',
borderRadius: '20px',
fontSize: '0.75rem',
fontWeight: 'bold',
textTransform: 'uppercase',
cursor: 'help',
transition: 'transform 0.15s ease, box-shadow 0.15s ease',
_hover: {
transform: 'scale(1.05)',
boxShadow: 'sm',
},
backgroundColor:
purpose === 'focus'
? isDark
? 'blue.900'
: 'blue.100'
: purpose === 'reinforce'
? isDark
? 'orange.900'
: 'orange.100'
: purpose === 'review'
? isDark
? 'green.900'
: 'green.100'
: isDark
? 'purple.900'
: 'purple.100',
color:
purpose === 'focus'
? isDark
? 'blue.200'
: 'blue.700'
: purpose === 'reinforce'
? isDark
? 'orange.200'
: 'orange.700'
: purpose === 'review'
? isDark
? 'green.200'
: 'green.700'
: isDark
? 'purple.200'
: 'purple.700',
})
return (
<TooltipProvider>
<Tooltip
content={<PurposeTooltipContent purpose={purpose} slot={slot} complexity={complexity} />}
side="bottom"
delayDuration={300}
>
<div data-element="problem-purpose" data-purpose={purpose} className={badgeStyles}>
{purpose}
</div>
</Tooltip>
</TooltipProvider>
)
}
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