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#pragma once
 
#include "bin_saver.h"

#include <util/stream/input.h>
#include <util/stream/output.h>
#include <util/stream/file.h>

class TYaStreamInput: public IBinaryStream { 
    IInputStream& Stream; 

    int WriteImpl(const void*, int) override { 
        Y_ASSERT(0);
        return 0;
    }
    int ReadImpl(void* userBuffer, int size) override { 
        return (int)Stream.Read(userBuffer, (size_t)size); 
    }
    bool IsValid() const override { 
        return true; 
    } 
    bool IsFailed() const override { 
        return false; 
    } 
 
public:
    TYaStreamInput(IInputStream& stream) 
        : Stream(stream) 
    { 
    }
};

template <class T> 
inline void SerializeFromStream(IInputStream& stream, T& c) { 
    TYaStreamInput f(stream);
    {
        IBinSaver bs(f, true);
        bs.Add(1, &c);
    }
}

template <class T> 
inline void SerializeFromFile(const TString& fileName, T& c) { 
    TIFStream in(fileName);
    SerializeFromStream(in, c);
}

class TYaStreamOutput: public IBinaryStream { 
    IOutputStream& Stream; 

    int WriteImpl(const void* what, int size) override { 
        Stream.Write(what, (size_t)size); 
        return size;
    }
    int ReadImpl(void*, int) override { 
        Y_ASSERT(0);
        return 0;
    }
    bool IsValid() const override { 
        return true; 
    } 
    bool IsFailed() const override { 
        return false; 
    } 
 
public:
    TYaStreamOutput(IOutputStream& stream) 
        : Stream(stream) 
    { 
    }
};

template <class T> 
inline void SerializeToArcadiaStream(IOutputStream& stream, T& c) {
    TYaStreamOutput f(stream);
    {
        IBinSaver bs(f, false);
        bs.Add(1, &c);
    }
}

template <class T> 
inline void SerializeToFile(const TString& fileName, T& c) { 
    TOFStream out(fileName);
    SerializeToArcadiaStream(out, c);
}