#pragma once

#include <unordered_map>
#include <Parsers/IParserBase.h>
#include <Parsers/Kusto/ParserKQLQuery.h>
namespace DB
{

class KQLOperators
{
public:
    static bool convert(std::vector<String> & tokens, IParser::Pos & pos);

protected:
    enum class WildcardsPos : uint8_t
    {
        none,
        left,
        right,
        both
    };

    static String genHaystackOpExpr(
        std::vector<String> & tokens,
        IParser::Pos & token_pos,
        String kql_op,
        String ch_op,
        WildcardsPos wildcards_pos,
        WildcardsPos space_pos = WildcardsPos::none);
    static String genHasAnyAllOpExpr(std::vector<String> & tokens, IParser::Pos & token_pos, String kql_op, String ch_op);
};

}