useToast Composable

import { ref, type Ref } from 'vue';

type ToastType = 'success' | 'error' | 'warning' | 'info';
interface Toast {
  id: string;
  message: string;
  type: ToastType;
  duration?: number;
  position: 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right' | 'center';
}

export function useToast() {
  const toasts = ref<Toast[]>([]) as Ref<Toast[]>;

  const generateId = () => `toast-${Date.now()}-${Math.random().toString(36).slice(2)}`;

  const showToast = (options: {
    message: string;
    type?: ToastType;
    duration?: number;
    position?: Toast['position'];
  }) => {
    const toast: Toast = {
      id: generateId(),
      message: options.message,
      type: options.type || 'info',
      duration: options.duration || 3000,
      position: options.position || 'top-right'
    };

    toasts.value.push(toast);

    // Auto dismiss
    __TOKEN_48__ (toast.duration && toast.duration > 0) {
      setTimeout(() => {
        removeToast(toast.id);
      }, toast.duration);
    }

    return toast.id;
  };

  const removeToast = (id: string) => {
    toasts.value = toasts.value.filter(toast => toast.id !== id);
  };

  const clearToasts = (position?: Toast['position']) => {
    __TOKEN_52__ (position) {
      toasts.value = toasts.value.filter(toast => toast.position !== position);
    } else {
      toasts.value = [];
    }
  };

  // Convenience methods
  const success = (message: string, options?: Omit<Parameters<typeof showToast>[0], 'message' | 'type'>) => 
    showToast({ message, type: 'success', ...options });
  const error = (message: string, options?: Omit<Parameters<typeof showToast>[0], 'message' | 'type'>) => 
    showToast({ message, type: 'error', ...options });
  const warning = (message: string, options?: Omit<Parameters<typeof showToast>[0], 'message' | 'type'>) => 
    showToast({ message, type: 'warning', ...options });
  const info = (message: string, options?: Omit<Parameters<typeof showToast>[0], 'message' | 'type'>) => 
    showToast({ message, type: 'info', ...options });

  return {
    toasts,
    showToast,
    removeToast,
    clearToasts,
    success,
    error,
    warning,
    info
  };
}

// Usage example
// const { success, error, toasts } = useToast();
// success('Operation completed!', { duration: 4000 });
// error('Something went wrong!');