export const rolePermissions: Record<string, string[]> =
{
  superadmin: [ 'manage-users', 'manage-roles', 'manage-products', 'access-all' ],
  admin:      [ 'manage-users', 'manage-products', 'access-all' ],
  user:       [ 'access-own' ]
};

export function permissionsForRoles( roles: string[] ): string[]
{
  const perms = new Set<string>();
  for ( const role of roles )
    for ( const p of rolePermissions[ role ] ?? [] )
      perms.add( p );
  return [ ...perms ];
}

export function hasRole( roles: string[], role: string ): boolean
{
  return roles.includes( role );
}

export function isAdmin( roles: string[] ): boolean
{
  return roles.includes( 'admin' ) || roles.includes( 'superadmin' );
}

export function isSuperAdmin( roles: string[] ): boolean
{
  return roles.includes( 'superadmin' );
}