Glass Search BarGlassmorphism search bar with animated suggestion dropdown, active state glow, and reduced-motion support.

'use client'

// npm install @phosphor-icons/react framer-motion

import { useState, useRef, useEffect, useCallback } from 'react'
import { motion, AnimatePresence, useReducedMotion } from 'framer-motion'
import {
  MagnifyingGlass,
  X,
  MusicNote,
  File,
  Lightning,
} from '@phosphor-icons/react'

// ─── Types ───────────────────────────────────────────────────────────────────

interface Suggestion {
  icon: typeof MusicNote
  label: string
  color: string
}

// ─── Constants ───────────────────────────────────────────────────────────────

const BACKGROUND =
  'https://ik.imagekit.io/aitoolkit/bg%20images/Ethereal%20pink%20Flower%20%20(1).png'

const SUGGESTIONS: Suggestion[] = [
  { icon: MusicNote, label: 'Audio visualizers',   color: '#FF5C8A' },
  { icon: File,      label: 'Documentation files', color: '#3A86FF' },
  { icon: Lightning, label: 'Quick actions',       color: '#06D6A0' },
]

const BAR_HEIGHT = 48
const MIN_TOUCH_TARGET = 44

// ─── Glass family shared styles ─────────────────────────────────────────────

const glassBlur = {
  backdropFilter: 'blur(24px) saturate(1.8)',
  WebkitBackdropFilter: 'blur(24px) saturate(1.8)',
} as const

const glassPanel = {
  background: 'rgba(255, 255, 255, 0.08)',
  border: '1px solid rgba(255, 255, 255, 0.1)',
  boxShadow:
    '0 8px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08)',
} as const

// Active glow — white border + ambient glow
const ACTIVE_GLOW =
  '0 8px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 0 0 1.5px rgba(255, 255, 255, 0.4), 0 0 20px rgba(255, 255, 255, 0.08)'

// ─── Suggestion Row ──────────────────────────────────────────────────────────

function SuggestionRow({
  suggestion,
  index,
  reducedMotion,
  onSelect,
  onClear,
}: {
  suggestion: Suggestion
  index: number
  reducedMotion: boolean
  onSelect: (label: string) => void
  onClear: (label: string) => void
}) {
  const [hovered, setHovered] = useState(false)
  const Icon = suggestion.icon

  return (
    <motion.div
      initial={reducedMotion ? { opacity: 0 } : { opacity: 0 }}
      animate={{ opacity: 1 }}
      exit={{ opacity: 0 }}
      transition={
        reducedMotion
          ? { duration: 0.15 }
          : { duration: 0.15, delay: 0.06 + index * 0.04 }
      }
      onMouseEnter={() => setHovered(true)}
      onMouseLeave={() => setHovered(false)}
      className="flex w-full items-center gap-3 rounded-xl px-3 py-2.5 font-sans"
      style={{
        minHeight: MIN_TOUCH_TARGET,
        background: 'transparent',
      }}
    >
      {/* Animated row: icon + label — scales and nudges right on hover */}
      <motion.button
        onClick={() => onSelect(suggestion.label)}
        animate={
          reducedMotion
            ? {}
            : {
                x: hovered ? 3 : 0,
                scale: hovered ? 1.08 : 1,
              }
        }
        whileTap={{ scale: 0.90 }}
        transition={{ type: 'spring', stiffness: 320, damping: 20 }}
        className="flex min-w-0 flex-1 cursor-pointer items-center gap-3"
        style={{ background: 'transparent', transformOrigin: 'left center' }}
      >
        {/* Icon badge — notification-style tinted */}
        <div
          className="flex shrink-0 items-center justify-center rounded-xl"
          style={{
            width: 32,
            height: 32,
            background: `${suggestion.color}18`,
            border: `1px solid ${suggestion.color}22`,
          }}
        >
          <Icon size={16} weight="regular" style={{ color: suggestion.color }} />
        </div>

        <span
          className="text-sm font-semibold font-sans"
          style={{
            color: hovered ? 'rgba(255,255,255,0.95)' : 'rgba(255,255,255,0.75)',
            transition: 'color 0.15s',
          }}
        >
          {suggestion.label}
        </span>
      </motion.button>

      {/* Clear button — stays completely still */}
      <button
        onClick={(e) => { e.stopPropagation(); onClear(suggestion.label) }}
        className="shrink-0 cursor-pointer rounded-full px-1.5 py-0.5 text-[8px] font-semibold uppercase tracking-wide text-white/40 font-sans"
        style={{ background: 'rgba(255, 255, 255, 0.06)' }}
        aria-label={`Clear ${suggestion.label}`}
      >
        Clear
      </button>
    </motion.div>
  )
}

// ─── Main Component ──────────────────────────────────────────────────────────

export default function GlassSearchBar() {
  const [isActive, setIsActive] = useState(false)
  const [query, setQuery] = useState('')
  const [hiddenSuggestions, setHiddenSuggestions] = useState<Set<string>>(new Set())

  const containerRef = useRef<HTMLDivElement>(null)
  const inputRef = useRef<HTMLInputElement>(null)

  const prefersReduced = useReducedMotion()
  const reducedMotion = prefersReduced ?? false

  // Filtered suggestions based on query + hidden
  const filteredSuggestions = SUGGESTIONS
    .filter((s) => !hiddenSuggestions.has(s.label))
    .filter((s) =>
      query.trim() ? s.label.toLowerCase().includes(query.toLowerCase()) : true
    )

  // ─── Activate ────────────────────────────────────────────────────────

  const activate = useCallback(() => {
    setIsActive(true)
    requestAnimationFrame(() => {
      inputRef.current?.focus()
    })
  }, [])

  // ─── Deactivate ──────────────────────────────────────────────────────

  const deactivate = useCallback(() => {
    setIsActive(false)
    setQuery('')
    inputRef.current?.blur()
  }, [])

  // ─── Click outside to deactivate ─────────────────────────────────────

  useEffect(() => {
    if (!isActive) return

    function handleClickOutside(e: MouseEvent | TouchEvent) {
      if (
        containerRef.current &&
        !containerRef.current.contains(e.target as Node)
      ) {
        deactivate()
      }
    }

    document.addEventListener('mousedown', handleClickOutside)
    document.addEventListener('touchstart', handleClickOutside)
    return () => {
      document.removeEventListener('mousedown', handleClickOutside)
      document.removeEventListener('touchstart', handleClickOutside)
    }
  }, [isActive, deactivate])

  // ─── Escape key to deactivate ────────────────────────────────────────

  useEffect(() => {
    if (!isActive) return

    function handleKeyDown(e: KeyboardEvent) {
      if (e.key === 'Escape') deactivate()
    }

    document.addEventListener('keydown', handleKeyDown)
    return () => document.removeEventListener('keydown', handleKeyDown)
  }, [isActive, deactivate])

  // ─── Handlers ────────────────────────────────────────────────────────

  function handleClear() {
    setQuery('')
    inputRef.current?.focus()
  }

  function handleSuggestionSelect(label: string) {
    setQuery(label)
    inputRef.current?.focus()
  }

  function handleSuggestionClear(label: string) {
    setHiddenSuggestions((prev) => new Set(prev).add(label))
  }

  const springOrFade = reducedMotion
    ? { duration: 0.15 }
    : ({ type: 'spring', stiffness: 400, damping: 30 } as const)

  return (
    <div className="relative flex min-h-screen w-full items-center justify-center overflow-hidden bg-[#1A1A19]">
      {/* Background image — consistent with glass family */}
      <img
        src={BACKGROUND}
        alt=""
        className="pointer-events-none absolute inset-0 h-full w-full object-cover opacity-60"
      />

      {/* Outer container — fixed vertical position so bar doesn't jump when dropdown opens */}
      <div
        ref={containerRef}
        className="absolute w-[calc(100%-2rem)] max-w-[380px]"
        style={{ top: '30%', left: '50%', transform: 'translateX(-50%)' }}
      >
        {/* ─── Search bar ─────────────────────────────────────────── */}
        <motion.div
          animate={{
            boxShadow: isActive ? ACTIVE_GLOW : glassPanel.boxShadow,
          }}
          transition={springOrFade}
          onClick={!isActive ? activate : undefined}
          className="relative isolate flex w-full cursor-text items-center rounded-3xl"
          style={{
            height: BAR_HEIGHT,
            ...glassPanel,
            borderRadius: 24,
          }}
        >
          {/* Blur layer */}
          <div
            className="pointer-events-none absolute inset-0 z-[-1]"
            style={{ ...glassBlur, borderRadius: 24 }}
          />

          {/* Search icon */}
          <div
            className="flex shrink-0 items-center justify-center"
            style={{
              width: BAR_HEIGHT,
              height: BAR_HEIGHT,
              minWidth: MIN_TOUCH_TARGET,
              minHeight: MIN_TOUCH_TARGET,
            }}
          >
            <MagnifyingGlass
              size={20}
              weight="regular"
              className="text-white/50"
            />
          </div>

          {/* Input — always visible */}
          <input
            ref={inputRef}
            value={query}
            onChange={(e) => setQuery(e.target.value)}
            onFocus={activate}
            placeholder="Search components..."
            className="min-w-0 flex-1 bg-transparent font-sans text-sm font-medium text-white/90 placeholder-white/30 outline-none"
            style={{ caretColor: '#7D8D41' }}
            aria-label="Search components"
          />

          {/* Clear button — springs in when text is present */}
          <AnimatePresence>
            {query.length > 0 && (
              <motion.button
                key="clear"
                initial={
                  reducedMotion
                    ? { opacity: 0 }
                    : { opacity: 0, scale: 0.5 }
                }
                animate={
                  reducedMotion
                    ? { opacity: 1 }
                    : { opacity: 1, scale: 1 }
                }
                exit={
                  reducedMotion
                    ? { opacity: 0 }
                    : { opacity: 0, scale: 0.5 }
                }
                transition={springOrFade}
                onClick={handleClear}
                className="flex shrink-0 cursor-pointer items-center justify-center rounded-full"
                style={{
                  width: 20,
                  height: 20,
                  marginRight: 14,
                  background: 'rgba(255, 255, 255, 0.08)',
                  border: '1px solid rgba(255, 255, 255, 0.12)',
                }}
                whileHover={{ backgroundColor: 'rgba(255, 255, 255, 0.14)' }}
                whileTap={{ scale: 0.88 }}
                aria-label="Clear search"
              >
                <X size={10} weight="regular" className="text-white/60" />
              </motion.button>
            )}
          </AnimatePresence>
        </motion.div>

        {/* ─── Dropdown ───────────────────────────────────────────── */}
        <AnimatePresence>
          {isActive && filteredSuggestions.length > 0 && (
            <motion.div
              key="dropdown"
              initial={
                reducedMotion
                  ? { opacity: 0 }
                  : { opacity: 0, scale: 0.95, y: -8, filter: 'blur(4px)' }
              }
              animate={
                reducedMotion
                  ? { opacity: 1 }
                  : { opacity: 1, scale: 1, y: 0, filter: 'blur(0px)' }
              }
              exit={
                reducedMotion
                  ? { opacity: 0 }
                  : { opacity: 0, scale: 0.95, y: -8, filter: 'blur(4px)' }
              }
              transition={
                reducedMotion
                  ? { duration: 0.15 }
                  : { type: 'spring', stiffness: 350, damping: 28 }
              }
              className="absolute left-0 right-0 rounded-2xl p-2"
              style={{ ...glassPanel, ...glassBlur, transformOrigin: 'top center', top: BAR_HEIGHT + 8 }}
            >

              {/* Top edge highlight */}
              <div
                className="absolute left-6 right-6 top-0 h-[1px]"
                style={{
                  background:
                    'linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent)',
                }}
              />

              {/* Section label */}
              <p className="mb-0.5 px-3 pt-1 text-[10px] font-semibold uppercase tracking-widest text-white/25 font-sans">
                {query.trim() ? 'Results' : 'Suggestions'}
              </p>

              {/* Suggestion rows */}
              {filteredSuggestions.map((suggestion, i) => (
                <SuggestionRow
                  key={suggestion.label}
                  suggestion={suggestion}
                  index={i}
                  reducedMotion={reducedMotion}
                  onSelect={handleSuggestionSelect}
                  onClear={handleSuggestionClear}
                />
              ))}
            </motion.div>
          )}
        </AnimatePresence>
      </div>
    </div>
  )
}