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"use client"
import { useIsMobile } from "@/hooks/use-mobile"
import {
Collapsible,
CollapsibleContent,
CollapsibleTrigger,
} from "@/ui/collapsible"
import { GlassMenuEffect } from "@/ui/glass-effect"
import { Brain, ChevronDown, ChevronUp, FileText } from "lucide-react"
import { memo, useEffect, useState } from "react"
import { colors } from "@/constants"
import type { GraphEdge, GraphNode, LegendProps } from "@/types"
import * as styles from "./legend.css"
// Cookie utility functions for legend state
const setCookie = (name: string, value: string, days = 365) => {
if (typeof document === "undefined") return
const expires = new Date()
expires.setTime(expires.getTime() + days * 24 * 60 * 60 * 1000)
document.cookie = `${name}=${value};expires=${expires.toUTCString()};path=/`
}
const getCookie = (name: string): string | null => {
if (typeof document === "undefined") return null
const nameEQ = `${name}=`
const ca = document.cookie.split(";")
for (let i = 0; i < ca.length; i++) {
let c = ca[i]
if (!c) continue
while (c.charAt(0) === " ") c = c.substring(1, c.length)
if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length)
}
return null
}
interface ExtendedLegendProps extends LegendProps {
id?: string
nodes?: GraphNode[]
edges?: GraphEdge[]
isLoading?: boolean
}
export const Legend = memo(function Legend({
variant = "console",
id,
nodes = [],
edges = [],
isLoading = false,
}: ExtendedLegendProps) {
const isMobile = useIsMobile()
const [isExpanded, setIsExpanded] = useState(true)
const [isInitialized, setIsInitialized] = useState(false)
// Load saved preference on client side
useEffect(() => {
if (!isInitialized) {
const savedState = getCookie("legendCollapsed")
if (savedState === "true") {
setIsExpanded(false)
} else if (savedState === "false") {
setIsExpanded(true)
} else {
// Default: collapsed on mobile, expanded on desktop
setIsExpanded(!isMobile)
}
setIsInitialized(true)
}
}, [isInitialized, isMobile])
// Save to cookie when state changes
const handleToggleExpanded = (expanded: boolean) => {
setIsExpanded(expanded)
setCookie("legendCollapsed", expanded ? "false" : "true")
}
// Get container class based on variant and mobile state
const getContainerClass = () => {
if (variant === "console") {
return isMobile
? styles.legendContainer.consoleMobile
: styles.legendContainer.consoleDesktop
}
return isMobile
? styles.legendContainer.consumerMobile
: styles.legendContainer.consumerDesktop
}
// Calculate stats
const memoryCount = nodes.filter((n) => n.type === "memory").length
const documentCount = nodes.filter((n) => n.type === "document").length
const containerClass =
isMobile && !isExpanded
? `${getContainerClass()} ${styles.mobileSize.collapsed}`
: isMobile
? `${getContainerClass()} ${styles.mobileSize.expanded}`
: getContainerClass()
return (
<div className={containerClass} id={id}>
<Collapsible onOpenChange={handleToggleExpanded} open={isExpanded}>
{/* Glass effect background */}
<GlassMenuEffect rounded="xl" />
<div className={styles.legendContent}>
{/* Mobile and Desktop collapsed state */}
{!isExpanded && (
<CollapsibleTrigger className={styles.collapsedTrigger}>
<div className={styles.collapsedContent}>
<div className={styles.collapsedText}>?</div>
<ChevronUp className={styles.collapsedIcon} />
</div>
</CollapsibleTrigger>
)}
{/* Expanded state */}
{isExpanded && (
<>
{/* Header with toggle */}
<div className={styles.legendHeader}>
<div className={styles.legendTitle}>Legend</div>
<CollapsibleTrigger className={styles.headerTrigger}>
<ChevronDown className={styles.headerIcon} />
</CollapsibleTrigger>
</div>
<CollapsibleContent>
<div className={styles.sectionsContainer}>
{/* Stats Section */}
{!isLoading && (
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Statistics</div>
<div className={styles.itemsList}>
<div className={styles.legendItem}>
<Brain
className={styles.legendIcon}
style={{ color: "rgb(96, 165, 250)" }}
/>
<span className={styles.legendText}>
{memoryCount} memories
</span>
</div>
<div className={styles.legendItem}>
<FileText
className={styles.legendIcon}
style={{ color: "rgb(203, 213, 225)" }}
/>
<span className={styles.legendText}>
{documentCount} documents
</span>
</div>
<div className={styles.legendItem}>
<div className={styles.gradientCircle} />
<span className={styles.legendText}>
{edges.length} connections
</span>
</div>
</div>
</div>
)}
{/* Node Types */}
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Nodes</div>
<div className={styles.itemsList}>
<div className={styles.legendItem}>
<div className={styles.documentNode} />
<span className={styles.legendText}>Document</span>
</div>
<div className={styles.legendItem}>
<div className={styles.memoryNode} />
<span className={styles.legendText}>
Memory (latest)
</span>
</div>
<div className={styles.legendItem}>
<div className={styles.memoryNodeOlder} />
<span className={styles.legendText}>
Memory (older)
</span>
</div>
</div>
</div>
{/* Status Indicators */}
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Status</div>
<div className={styles.itemsList}>
<div className={styles.legendItem}>
<div className={styles.forgottenNode}>
<div className={styles.forgottenIcon}>✕</div>
</div>
<span className={styles.legendText}>Forgotten</span>
</div>
<div className={styles.legendItem}>
<div className={styles.expiringNode} />
<span className={styles.legendText}>Expiring soon</span>
</div>
<div className={styles.legendItem}>
<div className={styles.newNode}>
<div className={styles.newBadge} />
</div>
<span className={styles.legendText}>New memory</span>
</div>
</div>
</div>
{/* Connection Types */}
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Connections</div>
<div className={styles.itemsList}>
<div className={styles.legendItem}>
<div className={styles.connectionLine} />
<span className={styles.legendText}>Doc → Memory</span>
</div>
<div className={styles.legendItem}>
<div className={styles.similarityLine} />
<span className={styles.legendText}>
Doc similarity
</span>
</div>
</div>
</div>
{/* Relation Types */}
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Relations</div>
<div className={styles.itemsList}>
{[
["updates", colors.relations.updates],
["extends", colors.relations.extends],
["derives", colors.relations.derives],
].map(([label, color]) => (
<div className={styles.legendItem} key={label}>
<div
className={styles.relationLine}
style={{ borderColor: color }}
/>
<span
className={styles.legendText}
style={{
color: color,
textTransform: "capitalize",
}}
>
{label}
</span>
</div>
))}
</div>
</div>
{/* Similarity Strength */}
<div className={styles.sectionWrapper}>
<div className={styles.sectionTitle}>Similarity</div>
<div className={styles.itemsList}>
<div className={styles.legendItem}>
<div className={styles.weakSimilarity} />
<span className={styles.legendText}>Weak</span>
</div>
<div className={styles.legendItem}>
<div className={styles.strongSimilarity} />
<span className={styles.legendText}>Strong</span>
</div>
</div>
</div>
</div>
</CollapsibleContent>
</>
)}
</div>
</Collapsible>
</div>
)
})
Legend.displayName = "Legend"
|