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#pragma once

#include "json_output.h"
#include "config.h"

#include <library/cpp/json/json_writer.h>

#include <util/string/builder.h>
#include <util/generic/store_policy.h>

namespace NProtobufJson {
    class TBaseJsonWriterOutput: public IJsonOutput { 
    public: 
        TBaseJsonWriterOutput(NJson::TJsonWriter& writer) 
            : Writer(writer) 
        { 
        } 

    private: 
        void DoWrite(int i) override { 
            Writer.Write(i); 
        } 
        void DoWrite(unsigned int i) override { 
            Writer.Write(i); 
        } 
        void DoWrite(long long i) override { 
            Writer.Write(i); 
        } 
        void DoWrite(unsigned long long i) override { 
            Writer.Write(i); 
        } 
        void DoWrite(float f) override { 
            Writer.Write(f); 
        } 
        void DoWrite(double f) override { 
            Writer.Write(f); 
        } 
        void DoWrite(bool b) override { 
            Writer.Write(b); 
        } 
        void DoWriteNull() override { 
            Writer.WriteNull(); 
        } 
        void DoWrite(const TStringBuf& s) override { 
            Writer.Write(s); 
        } 
        void DoWrite(const TString& s) override { 
            Writer.Write(s); 
        } 

        void DoBeginList() override { 
            Writer.OpenArray(); 
        } 
        void DoEndList() override { 
            Writer.CloseArray(); 
        } 

        void DoBeginObject() override { 
            Writer.OpenMap(); 
        } 
        void DoWriteKey(const TStringBuf& key) override { 
            Writer.Write(key); 
        } 
        void DoEndObject() override { 
            Writer.CloseMap(); 
        } 

        void DoWriteRawJson(const TStringBuf& str) override { 
            Writer.UnsafeWrite(str); 
        } 

        NJson::TJsonWriter& Writer; 
    }; 

    class TJsonWriterOutput: public TEmbedPolicy<NJson::TJsonWriter>, public TBaseJsonWriterOutput { 
    public: 
        TJsonWriterOutput(IOutputStream* outputStream, const NJson::TJsonWriterConfig& cfg) 
            : TEmbedPolicy<NJson::TJsonWriter>(outputStream, cfg) 
            , TBaseJsonWriterOutput(*Ptr()) 
        { 
        } 

        TJsonWriterOutput(IOutputStream* outputStream, const TProto2JsonConfig& cfg) 
            : TEmbedPolicy<NJson::TJsonWriter>(outputStream, CreateJsonWriterConfig(cfg)) 
            , TBaseJsonWriterOutput(*Ptr()) 
        { 
        } 

    private: 
        static NJson::TJsonWriterConfig CreateJsonWriterConfig(const TProto2JsonConfig& cfg); 
    }; 

    class TJsonStringWriterOutput: public TEmbedPolicy<TStringOutput>, public TJsonWriterOutput { 
    public: 
        template <typename TConfig> 
        TJsonStringWriterOutput(TString* str, const TConfig& cfg) 
            : TEmbedPolicy<TStringOutput>(*str) 
            , TJsonWriterOutput(TEmbedPolicy<TStringOutput>::Ptr(), cfg) 
        { 
        } 
    }; 

}