#pragma once

#include "dtcore/inc/dtstream.h"

namespace dt
{

    class StreamTextOutput : public Stream
    {
        enum {LEVEL_INDENT = 4};

    public:
        DT_CORE_DLL_ENTRY StreamTextOutput(String& target);

        DT_CORE_DLL_ENTRY virtual void SerializeBinary(const ByteBuffer& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeBinary(ByteBuffer& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeString(const String& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeString(String& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const S8& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(S8& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const S16& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(S16& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const S32& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(S32& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const S64& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(S64& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const U8& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(U8& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const U16& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(U16& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const U32& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(U32& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const U64& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(U64& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const float& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(float& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeNumeral(const double& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeNumeral(double& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeBool(const bool& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeBool(bool& data) override;

        DT_CORE_DLL_ENTRY virtual void SerializeSize(const SizeT& data) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeSize(SizeT& data) override;

        DT_CORE_DLL_ENTRY virtual bool SerializeMember(const char* name) override;

        DT_CORE_DLL_ENTRY virtual void SerializeKey(const String& name) override;
        DT_CORE_DLL_ENTRY virtual bool SerializeKey(String& name) override;

        DT_CORE_DLL_ENTRY virtual void SerializeVersion(U8& data) override;

        DT_CORE_DLL_ENTRY virtual void ObjectStart(const void* pointer) override;
        DT_CORE_DLL_ENTRY virtual void ObjectEnd(const void* pointer) override;

        DT_CORE_DLL_ENTRY virtual void ListStart(const void* pointer) override;
        DT_CORE_DLL_ENTRY virtual void ListEnd(const void* pointer) override;

        DT_CORE_DLL_ENTRY virtual bool IsInput() const override;

    private:
        struct Scope
        {
            Scope(const void* pointer)
                :m_Pointer(pointer)
                ,m_MemberCount(0)
                ,m_DataCount(0)
                ,m_Tuple(false)
            {

            }
            const void* m_Pointer;
            int m_MemberCount;
            int m_DataCount;
            bool m_Tuple;
        };
        Vector<Scope> m_Scopes;
        String& m_Target;

        void Indent();
        void IndentForData();

        // no copy
        StreamTextOutput(StreamTextOutput&);
        StreamTextOutput& operator=(StreamTextOutput&);
    };

}