import { useEffect, useState } from 'react'
import { X, CheckCircle, XCircle, AlertTriangle, Info } from 'lucide-react'
import { clsx } from 'clsx'
import { useToastStore, type Toast as ToastType } from '@/store/toast'

const icons = {
  success: CheckCircle,
  error: XCircle,
  warning: AlertTriangle,
  info: Info,
}

const styles = {
  success: 'bg-green-500/20 border-green-500/50 text-green-400',
  error: 'bg-red-500/20 border-red-500/50 text-red-400',
  warning: 'bg-yellow-500/20 border-yellow-500/50 text-yellow-400',
  info: 'bg-blue-500/20 border-blue-500/50 text-blue-400',
}

const iconStyles = {
  success: 'text-green-500',
  error: 'text-red-500',
  warning: 'text-yellow-500',
  info: 'text-blue-500',
}

interface ToastItemProps {
  toast: ToastType
  onRemove: (id: string) => void
}

function ToastItem({ toast, onRemove }: ToastItemProps) {
  const [isVisible, setIsVisible] = useState(false)
  const [isLeaving, setIsLeaving] = useState(false)
  const Icon = icons[toast.type]

  useEffect(() => {
    // Trigger enter animation
    requestAnimationFrame(() => setIsVisible(true))
  }, [])

  const handleRemove = () => {
    setIsLeaving(true)
    setTimeout(() => onRemove(toast.id), 200)
  }

  return (
    <div
      className={clsx(
        'flex items-start gap-3 p-4 rounded-lg border backdrop-blur-sm shadow-lg',
        'transition-all duration-200 ease-out',
        styles[toast.type],
        isVisible && !isLeaving ? 'translate-x-0 opacity-100' : 'translate-x-full opacity-0'
      )}
    >
      <Icon className={clsx('w-5 h-5 flex-shrink-0 mt-0.5', iconStyles[toast.type])} />
      <p className="flex-1 text-sm text-white">{toast.message}</p>
      <button
        onClick={handleRemove}
        className="flex-shrink-0 text-gray-400 hover:text-white transition-colors"
      >
        <X className="w-4 h-4" />
      </button>
    </div>
  )
}

export function ToastContainer() {
  const toasts = useToastStore((state) => state.toasts)
  const removeToast = useToastStore((state) => state.removeToast)

  if (toasts.length === 0) return null

  return (
    <div className="fixed bottom-4 right-4 z-50 flex flex-col gap-2 max-w-sm w-full pointer-events-none">
      {toasts.map((toast) => (
        <div key={toast.id} className="pointer-events-auto">
          <ToastItem toast={toast} onRemove={removeToast} />
        </div>
      ))}
    </div>
  )
}
