#pragma once
#include <optional>
#include <unordered_map>
#include <vector>
#include "./keyword_types.hpp"

namespace tsl
{
    class KeywordManager
    {
    public:
        KeywordManager(const KeywordManager&) = delete;
        KeywordManager& operator=(const KeywordManager&) = delete;

        static KeywordManager& GetInstance();
        std::vector<KeywordInfo> GetAllKeywords();
        std::vector<KeywordInfo> GetKeyWordByPrefix(std::string prefix);
        std::optional<KeywordInfo> GetKeywordInfo(std::string key);

    private:
        KeywordManager();
        void InitKeywords();

        void InitProgramStructureKeywords();
        void InitDataTypeKeywords();
        void InitClassKeywords();
        void InitControlFlowKeywords();
        void InitOperatorKeywords();
        void InitSqlKeywords();
        void InitBuiltinKeywords();
        void InitConstantKeywords();

        std::unordered_map<std::string, KeywordInfo> keywords_;
    };
}