'use client'

import React, { useState, useEffect, useRef } from 'react'
import {
  SpeakerHigh,
  WifiHigh,
  BatteryFull,
  MagnifyingGlass,
  Desktop,
  CirclesFour,
  Check,
  Warning
} from '@phosphor-icons/react'
import { motion, AnimatePresence } from 'framer-motion'
import { CalendarWidget } from './CalendarWidget'

interface TopBarProps {
  activeAppName?: string
  onAboutClick?: () => void
  onSleep?: () => void
  onRestart?: () => void
  onShutdown?: () => void
}

export function TopBar({ activeAppName = 'Finder', onAboutClick, onSleep, onRestart, onShutdown }: TopBarProps) {
  const [activeMenu, setActiveMenu] = useState<'apple' | 'battery' | 'wifi' | 'clock' | null>(null)
  const [dateDisplay, setDateDisplay] = useState('')
  const [timeDisplay, setTimeDisplay] = useState('')
  const menuRef = useRef<HTMLDivElement>(null)

  useEffect(() => {
    const updateTime = () => {
      const now = new Date()
      const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
      const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']

      const timeString = now.toLocaleTimeString('en-US', {
        hour: 'numeric',
        minute: '2-digit',
        hour12: true
      })
      const dateString = `${days[now.getDay()]} ${now.getDate()} ${months[now.getMonth()]}`

      setDateDisplay(dateString)
      setTimeDisplay(timeString)
    }

    updateTime()
    const interval = setInterval(updateTime, 1000)

    const handleClickOutside = (event: MouseEvent) => {
      if (menuRef.current && !menuRef.current.contains(event.target as Node)) {
        setActiveMenu(null)
      }
    }

    document.addEventListener('mousedown', handleClickOutside)
    return () => {
      clearInterval(interval)
      document.removeEventListener('mousedown', handleClickOutside)
    }
  }, [])

  const toggleMenu = (menu: 'apple' | 'battery' | 'wifi' | 'clock') => {
    setActiveMenu(activeMenu === menu ? null : menu)
  }

  return (
    <div className="fixed top-0 left-0 right-0 h-10 sm:h-8 glass flex items-center justify-between px-2 sm:px-4 text-xs sm:text-sm z-50 shadow-sm backdrop-blur-xl bg-white/40 border-b border-white/20 select-none">
      <div className="flex items-center space-x-2 sm:space-x-4" ref={menuRef}>
        <div className="relative">
          <button
            onClick={() => toggleMenu('apple')}
            className={`font-bold text-lg hover:text-blue-600 transition-colors relative ${activeMenu === 'apple' ? 'text-blue-600' : ''}`}
          >
            <CirclesFour size={20} weight="fill" />
          </button>

          <AnimatePresence>
            {activeMenu === 'apple' && (
              <motion.div
                initial={{ opacity: 0, y: 5, scale: 0.95 }}
                animate={{ opacity: 1, y: 0, scale: 1 }}
                exit={{ opacity: 0, y: 5, scale: 0.95 }}
                transition={{ duration: 0.1 }}
                className="absolute top-8 left-0 w-56 glass rounded-lg shadow-2xl flex flex-col py-1.5 z-[60] text-sm border border-white/40 backdrop-blur-2xl bg-white/80"
              >
                <button
                  onClick={() => {
                    if (onAboutClick) onAboutClick()
                    setActiveMenu(null)
                  }}
                  className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800 font-medium">
                  About Reuben OS
                </button>
                <div className="h-px bg-gray-300/50 my-1 mx-2" />
                <button className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800">
                  System Settings...
                </button>
                <div className="h-px bg-gray-300/50 my-1 mx-2" />
                <button
                  onClick={() => {
                    if (onSleep) onSleep()
                    setActiveMenu(null)
                  }}
                  className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800"
                >
                  Sleep
                </button>
                <button
                  onClick={() => {
                    if (onRestart) onRestart()
                    setActiveMenu(null)
                  }}
                  className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800"
                >
                  Restart...
                </button>
                <button
                  onClick={() => {
                    if (onShutdown) onShutdown()
                    setActiveMenu(null)
                  }}
                  className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800"
                >
                  Shut Down...
                </button>
                <div className="h-px bg-gray-300/50 my-1 mx-2" />
                <button
                  onClick={() => {
                    setActiveMenu(null)
                  }}
                  className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800"
                >
                  Log Out...
                </button>
              </motion.div>
            )}
          </AnimatePresence>
        </div>

        <span className="font-bold text-gray-800 hidden sm:inline text-xs sm:text-sm">Reuben OS</span>
        <span className="text-gray-600 text-[10px] sm:text-xs ml-1 sm:ml-2 font-medium hidden xs:inline">{activeAppName}</span>
      </div>

      <div className="flex items-center space-x-2 md:space-x-4" ref={menuRef}>
        <div className="flex items-center space-x-1 md:space-x-3 text-gray-700">
          {/* Battery */}
          <div className="relative hidden sm:block">
            <button
              onClick={() => toggleMenu('battery')}
              className={`hover:bg-black/5 rounded px-1 py-0.5 transition-colors ${activeMenu === 'battery' ? 'bg-black/10' : ''}`}
            >
              <BatteryFull size={18} weight="fill" />
            </button>
            <AnimatePresence>
              {activeMenu === 'battery' && (
                <motion.div
                  initial={{ opacity: 0, y: 5, scale: 0.95 }}
                  animate={{ opacity: 1, y: 0, scale: 1 }}
                  exit={{ opacity: 0, y: 5, scale: 0.95 }}
                  transition={{ duration: 0.1 }}
                  className="absolute top-8 right-0 w-64 glass rounded-lg shadow-2xl flex flex-col py-2 z-[60] text-sm border border-white/40 backdrop-blur-2xl bg-white/80"
                >
                  <div className="px-4 py-2 flex justify-between items-center border-b border-gray-200/50">
                    <span className="font-bold text-gray-700">Battery</span>
                    <span className="text-gray-500">85%</span>
                  </div>
                  <div className="px-4 py-2 text-xs text-gray-500">
                    Power Source: Battery
                  </div>
                  <div className="px-4 py-2 text-xs text-gray-500">
                    Using Significant Energy:
                    <div className="mt-1 flex items-center gap-2">
                      <div className="w-3 h-3 bg-gray-400 rounded-sm"></div>
                      <span>Chrome</span>
                    </div>
                  </div>
                </motion.div>
              )}
            </AnimatePresence>
          </div>

          {/* WiFi */}
          <div className="relative hidden sm:block">
            <button
              onClick={() => toggleMenu('wifi')}
              className={`hover:bg-black/5 rounded px-1 py-0.5 transition-colors ${activeMenu === 'wifi' ? 'bg-black/10' : ''}`}
            >
              <WifiHigh size={18} weight="bold" />
            </button>
            <AnimatePresence>
              {activeMenu === 'wifi' && (
                <motion.div
                  initial={{ opacity: 0, y: 5, scale: 0.95 }}
                  animate={{ opacity: 1, y: 0, scale: 1 }}
                  exit={{ opacity: 0, y: 5, scale: 0.95 }}
                  transition={{ duration: 0.1 }}
                  className="absolute top-8 right-0 w-72 glass rounded-lg shadow-2xl flex flex-col py-2 z-[60] text-sm border border-white/40 backdrop-blur-2xl bg-white/80"
                >
                  <div className="px-4 py-2 flex justify-between items-center border-b border-gray-200/50">
                    <span className="font-bold text-gray-700">Wi-Fi</span>
                    <div className="w-8 h-4 bg-blue-500 rounded-full relative cursor-pointer">
                      <div className="absolute right-0.5 top-0.5 w-3 h-3 bg-white rounded-full shadow-sm"></div>
                    </div>
                  </div>
                  <div className="py-1">
                    <div className="px-4 py-1.5 bg-blue-500/10 flex justify-between items-center">
                      <div className="flex items-center gap-2">
                        <Check size={14} weight="bold" className="text-blue-600" />
                        <span className="font-medium text-gray-800">Reuben's WiFi</span>
                      </div>
                      <WifiHigh size={14} weight="bold" className="text-gray-600" />
                    </div>
                    <div className="h-px bg-gray-200/50 my-1 mx-4" />
                    <div className="px-4 py-1.5 text-gray-500 text-xs font-semibold">Personal Hotspots</div>
                    <div className="px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors flex justify-between items-center group cursor-pointer">
                      <span className="pl-6">iPhone 15 Pro</span>
                      <WifiHigh size={14} weight="bold" className="text-gray-400 group-hover:text-white" />
                    </div>
                    <div className="h-px bg-gray-200/50 my-1 mx-4" />
                    <div className="px-4 py-1.5 text-gray-500 text-xs font-semibold">Other Networks</div>
                    <div className="px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors flex justify-between items-center group cursor-pointer">
                      <span className="pl-6">Guest Network</span>
                      <WifiHigh size={14} weight="bold" className="text-gray-400 group-hover:text-white" />
                    </div>
                    <div className="px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors flex justify-between items-center group cursor-pointer">
                      <span className="pl-6">Starbucks WiFi</span>
                      <WifiHigh size={14} weight="bold" className="text-gray-400 group-hover:text-white" />
                    </div>
                  </div>
                  <div className="h-px bg-gray-200/50 my-1 mx-2" />
                  <button className="text-left px-4 py-1.5 hover:bg-blue-500 hover:text-white transition-colors text-gray-800">
                    Wi-Fi Settings...
                  </button>
                </motion.div>
              )}
            </AnimatePresence>
          </div>

          <MagnifyingGlass size={18} weight="bold" className="hidden sm:block" />
        </div>

        {/* Clock */}
        <div className="relative">
          <button
            onClick={() => toggleMenu('clock')}
            className={`font-medium text-gray-800 min-w-[50px] sm:min-w-[60px] md:min-w-[140px] text-right hover:bg-black/5 rounded px-1 sm:px-2 py-0.5 transition-colors text-[11px] sm:text-xs ${activeMenu === 'clock' ? 'bg-black/10' : ''}`}
          >
            <span className="hidden md:inline mr-2">{dateDisplay}</span>
            <span>{timeDisplay}</span>
          </button>
          <AnimatePresence>
            {activeMenu === 'clock' && (
              <motion.div
                initial={{ opacity: 0, y: 5, scale: 0.95 }}
                animate={{ opacity: 1, y: 0, scale: 1 }}
                exit={{ opacity: 0, y: 5, scale: 0.95 }}
                transition={{ duration: 0.1 }}
                className="absolute top-8 right-0 z-[60]"
              >
                <CalendarWidget />
              </motion.div>
            )}
          </AnimatePresence>
        </div>
      </div>
    </div>
  )
}