Toast.tsx

'use client';

import { useState, useEffect, useCallback, createContext, useContext, ReactNode } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { X, CheckCircle, AlertCircle, Info } from 'lucide-react';
import { cn } from '@/lib/utils';

export type ToastType = 'success' | 'error' | 'info';

interface Toast {
  id: string;
  message: string;
  type: ToastType;
  duration?: number;
}

interface ToastContextType {
  showToast: (message: string, type?: ToastType, duration?: number) => void;
}

const ToastContext = createContext<ToastContextType | null>(null);

export function useToast() {
  const context = useContext(ToastContext);
  if (!context) {
    throw new Error('useToast must be used within a ToastProvider');
  }
  return context;
}

interface ToastProviderProps {
  children: ReactNode;
}

export function ToastProvider({ children }: ToastProviderProps) {
  const [toasts, setToasts] = useState<Toast[]>([]);

  const showToast = useCallback((message: string, type: ToastType = 'info', duration = 4000) => {
    const id = `toast-${Date.now()}-${Math.random()}`;
    setToasts((prev) => [...prev, { id, message, type, duration }]);
  }, []);

  const removeToast = useCallback((id: string) => {
    setToasts((prev) => prev.filter((t) => t.id !== id));
  }, []);

  return (
    <ToastContext.Provider value={{ showToast }}>
      {children}
      <ToastContainer toasts={toasts} onRemove={removeToast} />
    </ToastContext.Provider>
  );
}

interface ToastContainerProps {
  toasts: Toast[];
  onRemove: (id: string) => void;
}

function ToastContainer({ toasts, onRemove }: ToastContainerProps) {
  return (
    <div className="fixed bottom-4 right-4 z-[200] flex flex-col gap-2">
      <AnimatePresence>
        {toasts.map((toast) => (
          <ToastItem key={toast.id} toast={toast} onRemove={onRemove} />
        ))}
      </AnimatePresence>
    </div>
  );
}

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

function ToastItem({ toast, onRemove }: ToastItemProps) {
  useEffect(() => {
    if (toast.duration) {
      const timer = setTimeout(() => {
        onRemove(toast.id);
      }, toast.duration);
      return () => clearTimeout(timer);
    }
  }, [toast.id, toast.duration, onRemove]);

  const Icon = {
    success: CheckCircle,
    error: AlertCircle,
    info: Info,
  }[toast.type];

  const colors = {
    success: 'bg-green-500/10 border-green-500/30 text-green-400',
    error: 'bg-error/10 border-error/30 text-error',
    info: 'bg-purple-primary/10 border-purple-primary/30 text-purple-primary',
  }[toast.type];

  return (
    <motion.div
      initial={{ opacity: 0, y: 20, scale: 0.95 }}
      animate={{ opacity: 1, y: 0, scale: 1 }}
      exit={{ opacity: 0, y: -20, scale: 0.95 }}
      transition={{ duration: 0.2 }}
      className={cn(
        'flex items-center gap-3 px-4 py-3 rounded-xl',
        'border backdrop-blur-lg shadow-lg',
        'min-w-[280px] max-w-[400px]',
        colors
      )}
    >
      <Icon className="w-5 h-5 flex-shrink-0" />
      <span className="flex-1 text-sm font-medium text-text-primary">{toast.message}</span>
      <button
        onClick={() => onRemove(toast.id)}
        className="p-1 rounded-lg hover:bg-white/10 transition-colors"
      >
        <X className="w-4 h-4 text-text-tertiary" />
      </button>
    </motion.div>
  );
}