/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2019, assimp team

All rights reserved.

Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
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following disclaimer.

* Redistributions in binary form must reproduce the above
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following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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*/

/** @file FBXExportProperty.h
* Declares the FBX::Property helper class for fbx export.
*/
#ifndef AI_FBXEXPORTPROPERTY_H_INC
#define AI_FBXEXPORTPROPERTY_H_INC

#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER


#include <assimp/types.h> // aiMatrix4x4
#include <assimp/StreamWriter.h> // StreamWriterLE

#include <string>
#include <vector>
#include <ostream>
#include <type_traits> // is_void

namespace Assimp {
namespace FBX {
    class Property;
}

/** FBX::Property
 *
 *  Holds a value of any of FBX's recognized types,
 *  each represented by a particular one-character code.
 *  C : 1-byte uint8, usually 0x00 or 0x01 to represent boolean false and true
 *  Y : 2-byte int16
 *  I : 4-byte int32
 *  F : 4-byte float
 *  D : 8-byte double
 *  L : 8-byte int64
 *  i : array of int32
 *  f : array of float
 *  d : array of double
 *  l : array of int64
 *  b : array of 1-byte booleans (0x00 or 0x01)
 *  S : string (array of 1-byte char)
 *  R : raw data (array of bytes)
 */
class FBX::Property
{
public:
    // constructors for basic types.
    // all explicit to avoid accidental typecasting
    explicit Property(bool v);
    // TODO: determine if there is actually a byte type,
    // or if this always means <bool>. 'C' seems to imply <char>,
    // so possibly the above was intended to represent both.
    explicit Property(int16_t v);
    explicit Property(int32_t v);
    explicit Property(float v);
    explicit Property(double v);
    explicit Property(int64_t v);
    // strings can either be stored as 'R' (raw) or 'S' (string) type
    explicit Property(const char* c, bool raw=false);
    explicit Property(const std::string& s, bool raw=false);
    explicit Property(const std::vector<uint8_t>& r);
    explicit Property(const std::vector<int32_t>& va);
    explicit Property(const std::vector<int64_t>& va);
    explicit Property(const std::vector<double>& va);
    explicit Property(const std::vector<float>& va);
    explicit Property(const aiMatrix4x4& vm);

    // this will catch any type not defined above,
    // so that we don't accidentally convert something we don't want.
    // for example (const char*) --> (bool)... seriously wtf C++
    template <class T>
    explicit Property(T v) : type('X') {
        static_assert(std::is_void<T>::value, "TRIED TO CREATE FBX PROPERTY WITH UNSUPPORTED TYPE, CHECK YOUR PROPERTY INSTANTIATION");
    } // note: no line wrap so it appears verbatim on the compiler error

    // the size of this property node in a binary file, in bytes
    size_t size();

    // write this property node as binary data to the given stream
    void DumpBinary(Assimp::StreamWriterLE &s);
    void DumpAscii(Assimp::StreamWriterLE &s, int indent=0);
    void DumpAscii(std::ostream &s, int indent=0);
    // note: make sure the ostream is in classic "C" locale

private:
    char type;
    std::vector<uint8_t> data;
};
}
#endif // ASSIMP_BUILD_NO_FBX_EXPORTER

#endif // AI_FBXEXPORTPROPERTY_H_INC