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|
"use client"
import { Badge } from "@/ui/badge"
import { ChevronDown, Eye, Search, X } from "lucide-react"
import { memo, useEffect, useRef, useState } from "react"
import type { SpacesDropdownProps } from "@/types"
import * as styles from "./spaces-dropdown.css"
export const SpacesDropdown = memo<SpacesDropdownProps>(
({ selectedSpace, availableSpaces, spaceMemoryCounts, onSpaceChange }) => {
const [isOpen, setIsOpen] = useState(false)
const [searchQuery, setSearchQuery] = useState("")
const [highlightedIndex, setHighlightedIndex] = useState(-1)
const dropdownRef = useRef<HTMLDivElement>(null)
const searchInputRef = useRef<HTMLInputElement>(null)
const itemRefs = useRef<Map<number, HTMLButtonElement>>(new Map())
// Close dropdown when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (
dropdownRef.current &&
!dropdownRef.current.contains(event.target as Node)
) {
setIsOpen(false)
}
}
document.addEventListener("mousedown", handleClickOutside)
return () => document.removeEventListener("mousedown", handleClickOutside)
}, [])
// Focus search input when dropdown opens
useEffect(() => {
if (isOpen && searchInputRef.current) {
searchInputRef.current.focus()
}
}, [isOpen])
// Clear search query and reset highlighted index when dropdown closes
useEffect(() => {
if (!isOpen) {
setSearchQuery("")
setHighlightedIndex(-1)
}
}, [isOpen])
// Filter spaces based on search query (client-side)
const filteredSpaces = searchQuery
? availableSpaces.filter((space) =>
space.toLowerCase().includes(searchQuery.toLowerCase()),
)
: availableSpaces
const totalMemories = Object.values(spaceMemoryCounts).reduce(
(sum, count) => sum + count,
0,
)
// Total items including "Latest" option
const totalItems = filteredSpaces.length + 1
// Scroll highlighted item into view
useEffect(() => {
if (highlightedIndex >= 0 && highlightedIndex < totalItems) {
const element = itemRefs.current.get(highlightedIndex)
if (element) {
element.scrollIntoView({
block: "nearest",
behavior: "smooth",
})
}
}
}, [highlightedIndex, totalItems])
// Handle keyboard navigation
const handleKeyDown = (e: React.KeyboardEvent) => {
if (!isOpen) return
switch (e.key) {
case "ArrowDown":
e.preventDefault()
setHighlightedIndex((prev) => (prev < totalItems - 1 ? prev + 1 : 0))
break
case "ArrowUp":
e.preventDefault()
setHighlightedIndex((prev) => (prev > 0 ? prev - 1 : totalItems - 1))
break
case "Enter":
e.preventDefault()
if (highlightedIndex === 0) {
onSpaceChange("all")
setIsOpen(false)
} else if (
highlightedIndex > 0 &&
highlightedIndex <= filteredSpaces.length
) {
const selectedSpace = filteredSpaces[highlightedIndex - 1]
if (selectedSpace) {
onSpaceChange(selectedSpace)
setIsOpen(false)
}
}
break
case "Escape":
e.preventDefault()
setIsOpen(false)
break
}
}
return (
<div
className={styles.container}
ref={dropdownRef}
onKeyDown={handleKeyDown}
>
<button
className={styles.trigger}
onClick={() => setIsOpen(!isOpen)}
type="button"
>
{/*@ts-ignore */}
<Eye className={styles.triggerIcon} />
<div className={styles.triggerContent}>
<span className={styles.triggerLabel}>
{selectedSpace === "all"
? "Latest"
: selectedSpace || "Select space"}
</span>
<div className={styles.triggerSubtext}>
{selectedSpace === "all"
? ""
: `${spaceMemoryCounts[selectedSpace] || 0} memories`}
</div>
</div>
{/*@ts-ignore */}
<ChevronDown
className={`${styles.triggerChevron} ${isOpen ? styles.triggerChevronOpen : ""}`}
/>
</button>
{isOpen && (
<div className={styles.dropdown}>
<div className={styles.dropdownInner}>
{/* Search Input - Always show for filtering */}
<div className={styles.searchContainer}>
<div className={styles.searchForm}>
{/*@ts-ignore */}
<Search className={styles.searchIcon} />
<input
className={styles.searchInput}
onChange={(e) => setSearchQuery(e.target.value)}
placeholder="Search spaces..."
ref={searchInputRef}
type="text"
value={searchQuery}
/>
{searchQuery && (
<button
className={styles.searchClearButton}
onClick={() => setSearchQuery("")}
type="button"
aria-label="Clear search"
>
{/*@ts-ignore */}
<X className={styles.searchIcon} />
</button>
)}
</div>
</div>
{/* Spaces List */}
<div className={styles.dropdownList}>
{/* Always show "Latest" option */}
<button
ref={(el) => {
if (el) itemRefs.current.set(0, el)
}}
className={
selectedSpace === "all"
? styles.dropdownItemActive
: highlightedIndex === 0
? styles.dropdownItemHighlighted
: styles.dropdownItem
}
onClick={() => {
onSpaceChange("all")
setIsOpen(false)
}}
onMouseEnter={() => setHighlightedIndex(0)}
type="button"
>
<span className={styles.dropdownItemLabel}>Latest</span>
<Badge className={styles.dropdownItemBadge}>
{totalMemories}
</Badge>
</button>
{/* Show all spaces, filtered by search query */}
{filteredSpaces.length > 0
? filteredSpaces.map((space, index) => {
const itemIndex = index + 1
return (
<button
ref={(el) => {
if (el) itemRefs.current.set(itemIndex, el)
}}
className={
selectedSpace === space
? styles.dropdownItemActive
: highlightedIndex === itemIndex
? styles.dropdownItemHighlighted
: styles.dropdownItem
}
key={space}
onClick={() => {
onSpaceChange(space)
setIsOpen(false)
}}
onMouseEnter={() => setHighlightedIndex(itemIndex)}
type="button"
>
<span className={styles.dropdownItemLabelTruncate}>
{space}
</span>
<Badge className={styles.dropdownItemBadge}>
{spaceMemoryCounts[space] || 0}
</Badge>
</button>
)
})
: searchQuery && (
<div className={styles.emptyState}>
No spaces found matching "{searchQuery}"
</div>
)}
</div>
</div>
</div>
)}
</div>
)
},
)
SpacesDropdown.displayName = "SpacesDropdown"
|