import { useMemo } from 'react';
import { useAuth } from '@/contexts/AuthContext';
import {
  Permission,
  Role,
  hasPermission,
  hasAnyPermission,
  hasAllPermissions,
} from '@/types/permissions';

/**
 * Hook for checking user permissions
 */
export const usePermissions = () => {
  const { user } = useAuth();
  const role: Role = (user?.role as Role) || 'user';

  const checkPermission = useMemo(
    () => (permission: Permission) => {
      return hasPermission(role, permission);
    },
    [role]
  );

  const checkAnyPermission = useMemo(
    () => (permissions: Permission[]) => {
      return hasAnyPermission(role, permissions);
    },
    [role]
  );

  const checkAllPermissions = useMemo(
    () => (permissions: Permission[]) => {
      return hasAllPermissions(role, permissions);
    },
    [role]
  );

  const isAdmin = useMemo(() => role === 'admin', [role]);
  const isContentManager = useMemo(() => role === 'content_manager', [role]);
  const isViewer = useMemo(() => role === 'viewer', [role]);
  const isRegularUser = useMemo(() => role === 'user', [role]);

  return {
    role,
    checkPermission,
    checkAnyPermission,
    checkAllPermissions,
    isAdmin,
    isContentManager,
    isViewer,
    isRegularUser,
    hasPermission: checkPermission,
    hasAnyPermission: checkAnyPermission,
    hasAllPermissions: checkAllPermissions,
  };
};