#include <Parsers/ASTCreateRoleQuery.h>
#include <Common/quoteString.h>


namespace DB
{
namespace
{
    void formatRenameTo(const String & new_name, const IAST::FormatSettings & settings)
    {
        settings.ostr << (settings.hilite ? IAST::hilite_keyword : "") << " RENAME TO " << (settings.hilite ? IAST::hilite_none : "")
                      << quoteString(new_name);
    }
}


String ASTCreateRoleQuery::getID(char) const
{
    return "CreateRoleQuery";
}


ASTPtr ASTCreateRoleQuery::clone() const
{
    return std::make_shared<ASTCreateRoleQuery>(*this);
}


void ASTCreateRoleQuery::formatImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const
{
    settings.ostr << (settings.hilite ? hilite_keyword : "") << (alter ? "ALTER ROLE" : "CREATE ROLE")
                  << (settings.hilite ? hilite_none : "");

    if (if_exists)
        settings.ostr << (settings.hilite ? hilite_keyword : "") << " IF EXISTS" << (settings.hilite ? hilite_none : "");
    else if (if_not_exists)
        settings.ostr << (settings.hilite ? hilite_keyword : "") << " IF NOT EXISTS" << (settings.hilite ? hilite_none : "");
    else if (or_replace)
        settings.ostr << (settings.hilite ? hilite_keyword : "") << " OR REPLACE" << (settings.hilite ? hilite_none : "");

    settings.ostr << " " << backQuoteIfNeed(name);

    if (!new_name.empty())
        formatRenameTo(new_name, settings);
}
}