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

Copyright (c) 2006-2016, 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 following
conditions are met:

* Redistributions of source code must retain the above
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following disclaimer.

* Redistributions in binary form must reproduce the above
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* Neither the name of the assimp team, nor the names of its
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derived from this software without specific prior
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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
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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*/
#include "UnitTestPCH.h"

#include "../../include/assimp/postprocess.h"
#include "../../include/assimp/scene.h"
#include <assimp/Importer.hpp>
#include <BaseImporter.h>
#include "TestIOSystem.h"
#include "DefaultIOSystem.h"

using namespace ::std;
using namespace ::Assimp;

class ImporterTest : public ::testing::Test
{
public:
    virtual void SetUp() { 
        pImp = new Importer(); 
    }
    
    virtual void TearDown() { 
        delete pImp; 
    }

protected:
    Importer* pImp;
};

#define InputData_BLOCK_SIZE 1310

// test data for Importer::ReadFileFromMemory() - ./test/3DS/CameraRollAnim.3ds
static unsigned char InputData_abRawBlock[1310] = {
    77,77,30,5,0,0,2,0,10,0,0,0,3,0,0,0,61,61,91,3,0,0,62,61,10,0,0,0,3,0,0,0,
    0,1,10,0,0,0,0,0,128,63,0,64,254,2,0,0,66,111,120,48,49,0,0,65,242,2,0,0,16,65,64,1,
    0,0,26,0,102,74,198,193,102,74,198,193,0,0,0,0,205,121,55,66,102,74,198,193,0,0,0,0,102,74,198,193,
    138,157,184,65,0,0,0,0,205,121,55,66,138,157,184,65,0,0,0,0,102,74,198,193,102,74,198,193,90,252,26,66,
    205,121,55,66,102,74,198,193,90,252,26,66,102,74,198,193,138,157,184,65,90,252,26,66,205,121,55,66,138,157,184,65,
    90,252,26,66,102,74,198,193,102,74,198,193,0,0,0,0,205,121,55,66,102,74,198,193,0,0,0,0,205,121,55,66,
    102,74,198,193,90,252,26,66,205,121,55,66,102,74,198,193,90,252,26,66,102,74,198,193,102,74,198,193,90,252,26,66,
    102,74,198,193,102,74,198,193,0,0,0,0,205,121,55,66,138,157,184,65,0,0,0,0,205,121,55,66,102,74,198,193,
    90,252,26,66,205,121,55,66,138,157,184,65,0,0,0,0,102,74,198,193,138,157,184,65,0,0,0,0,102,74,198,193,
    138,157,184,65,90,252,26,66,102,74,198,193,138,157,184,65,90,252,26,66,205,121,55,66,138,157,184,65,90,252,26,66,
    205,121,55,66,138,157,184,65,0,0,0,0,102,74,198,193,138,157,184,65,0,0,0,0,102,74,198,193,102,74,198,193,
    90,252,26,66,102,74,198,193,102,74,198,193,90,252,26,66,102,74,198,193,138,157,184,65,0,0,0,0,64,65,216,0,
    0,0,26,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,128,63,0,0,0,0,
    0,0,128,63,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,128,63,0,0,128,63,
    0,0,128,63,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,128,63,0,0,128,63,0,0,128,63,
    0,0,128,63,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,
    0,0,128,63,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,128,63,0,0,128,63,0,0,128,63,
    0,0,128,63,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,
    0,0,128,63,0,0,128,63,0,0,128,63,0,0,0,0,0,0,0,0,96,65,54,0,0,0,0,0,128,63,0,0,
    0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,53,169,
    40,65,176,205,90,191,0,0,0,0,32,65,158,0,0,0,12,0,0,0,2,0,3,0,6,0,3,0,1,0,0,0,
    6,0,4,0,5,0,7,0,6,0,7,0,6,0,4,0,6,0,8,0,9,0,10,0,6,0,11,0,12,0,13,0,
    6,0,1,0,14,0,7,0,6,0,7,0,15,0,1,0,6,0,16,0,17,0,18,0,6,0,19,0,20,0,21,0,
    6,0,22,0,0,0,23,0,6,0,24,0,6,0,25,0,6,0,80,65,54,0,0,0,2,0,0,0,2,0,0,0,
    4,0,0,0,4,0,0,0,8,0,0,0,8,0,0,0,16,0,0,0,16,0,0,0,32,0,0,0,32,0,0,0,
    64,0,0,0,64,0,0,0,0,64,67,0,0,0,67,97,109,101,114,97,48,49,0,0,71,52,0,0,0,189,19,25,
    195,136,104,81,64,147,56,182,65,96,233,20,194,67,196,97,190,147,56,182,65,0,0,0,0,85,85,85,66,32,71,14,
    0,0,0,0,0,0,0,0,0,122,68,0,176,179,1,0,0,10,176,21,0,0,0,5,0,77,65,88,83,67,69,78,
    69,0,44,1,0,0,8,176,14,0,0,0,0,0,0,0,44,1,0,0,9,176,10,0,0,0,128,2,0,0,2,176,
    168,0,0,0,48,176,8,0,0,0,0,0,16,176,18,0,0,0,66,111,120,48,49,0,0,64,0,0,255,255,19,176,
    18,0,0,0,0,0,0,128,0,0,0,128,0,0,0,128,32,176,38,0,0,0,0,0,0,0,0,0,0,0,0,0,
    1,0,0,0,0,0,0,0,0,0,53,169,40,65,176,205,90,191,0,0,0,0,33,176,42,0,0,0,0,0,0,0,
    0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    34,176,38,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,
    128,63,0,0,128,63,3,176,143,0,0,0,48,176,8,0,0,0,1,0,16,176,21,0,0,0,67,97,109,101,114,97,
    48,49,0,0,64,0,0,255,255,32,176,38,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,
    0,0,0,189,19,25,195,136,104,81,64,147,56,182,65,35,176,30,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
    0,0,0,0,0,0,0,0,0,0,0,52,66,36,176,40,0,0,0,0,0,0,0,0,0,120,0,0,0,2,0,0,
    0,0,0,0,0,0,0,120,13,90,189,120,0,0,0,0,0,99,156,154,194,4,176,73,0,0,0,48,176,8,0,0,
    0,2,0,16,176,21,0,0,0,67,97,109,101,114,97,48,49,0,0,64,0,0,255,255,32,176,38,0,0,0,0,0,
    0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,96,233,20,194,67,196,97,190,147,56,182,65,
};

#define AIUT_DEF_ERROR_TEXT "sorry, this is a test"

static const aiImporterDesc desc = {
    "UNIT TEST - IMPORTER",
    "",
    "",
    "",
    0,
    0,
    0,
    0,
    0,
    "apple mac linux windows"
};

class TestPlugin : public BaseImporter
{
public:
    virtual bool CanRead(
        const std::string& pFile, IOSystem* /*pIOHandler*/, bool /*test*/) const
    {
        std::string::size_type pos = pFile.find_last_of('.');
        // no file extension - can't read
        if( pos == std::string::npos)
            return false;
        std::string extension = pFile.substr( pos);

        // todo ... make case-insensitive
        return (extension == ".apple" || extension == ".mac" ||
            extension == ".linux" || extension == ".windows" );

    }

    virtual const aiImporterDesc* GetInfo () const
    {
        return & desc;
    }

    virtual void InternReadFile(
        const std::string& /*pFile*/, aiScene* /*pScene*/, IOSystem* /*pIOHandler*/)
    {
        throw DeadlyImportError(AIUT_DEF_ERROR_TEXT);
    }
};

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testMemoryRead)
{
    const aiScene* sc = pImp->ReadFileFromMemory(InputData_abRawBlock,InputData_BLOCK_SIZE,
        aiProcessPreset_TargetRealtime_Quality,"3ds");

    ASSERT_TRUE(sc != NULL);
    EXPECT_EQ(aiString("<3DSRoot>"), sc->mRootNode->mName);
    EXPECT_EQ(1U, sc->mNumMeshes);
    EXPECT_EQ(24U, sc->mMeshes[0]->mNumVertices);
    EXPECT_EQ(12U, sc->mMeshes[0]->mNumFaces);
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testIntProperty)
{
    bool b = pImp->SetPropertyInteger("quakquak",1503);
    EXPECT_FALSE(b);
    EXPECT_EQ(1503, pImp->GetPropertyInteger("quakquak",0));
    EXPECT_EQ(314159, pImp->GetPropertyInteger("not_there",314159));

    b = pImp->SetPropertyInteger("quakquak",1504);
    EXPECT_TRUE(b);
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testFloatProperty)
{
    bool b = pImp->SetPropertyFloat("quakquak",1503.f);
    EXPECT_TRUE(!b);
    EXPECT_EQ(1503.f, pImp->GetPropertyFloat("quakquak",0.f));
    EXPECT_EQ(314159.f, pImp->GetPropertyFloat("not_there",314159.f));
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testStringProperty)
{
    bool b = pImp->SetPropertyString("quakquak","test");
    EXPECT_TRUE(!b);
    EXPECT_EQ("test", pImp->GetPropertyString("quakquak","weghwekg"));
    EXPECT_EQ("ILoveYou", pImp->GetPropertyString("not_there","ILoveYou"));
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testPluginInterface)
{
    pImp->RegisterLoader(new TestPlugin());
    EXPECT_TRUE(pImp->IsExtensionSupported(".apple"));
    EXPECT_TRUE(pImp->IsExtensionSupported(".mac"));
    EXPECT_TRUE(pImp->IsExtensionSupported("*.linux"));
    EXPECT_TRUE(pImp->IsExtensionSupported("windows"));
    EXPECT_TRUE(pImp->IsExtensionSupported(".x")); /* x and 3ds must be available in this Assimp build, of course! */
    EXPECT_TRUE(pImp->IsExtensionSupported(".3ds"));
    EXPECT_FALSE(pImp->IsExtensionSupported("."));

    TestPlugin* p = (TestPlugin*) pImp->GetImporter(".windows");
    ASSERT_TRUE(NULL != p);

    try {
        p->InternReadFile("",0,NULL);
    }
    catch ( const DeadlyImportError& dead)
    {
        EXPECT_TRUE(!strcmp(dead.what(),AIUT_DEF_ERROR_TEXT));

        // unregister the plugin and delete it
        pImp->UnregisterLoader(p);
        delete p;

        return;
    }
    EXPECT_TRUE(false); // control shouldn't reach this point
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testExtensionCheck)
{
    std::string s;
    pImp->GetExtensionList(s);

    // TODO
}

// ------------------------------------------------------------------------------------------------
TEST_F(ImporterTest, testMultipleReads)
{
    // see http://sourceforge.net/projects/assimp/forums/forum/817654/topic/3591099
    // Check whether reading and post-processing multiple times using
    // the same objects is *generally* fine. This test doesn't target
    // importers. Testing post-processing stability is the main point.

    const unsigned int flags =
        aiProcess_Triangulate |
        aiProcess_JoinIdenticalVertices |
        aiProcess_GenSmoothNormals |
        aiProcess_ValidateDataStructure |
        aiProcess_RemoveRedundantMaterials |
        aiProcess_SortByPType |
        aiProcess_FindDegenerates |
        aiProcess_FindInvalidData |
        aiProcess_GenUVCoords |
        aiProcess_OptimizeMeshes |
        aiProcess_OptimizeGraph;

    EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/test.x",flags));
    //EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/dwarf.x",flags)); # is in nonbsd
    EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/Testwuson.X",flags));
    EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/anim_test.x",flags));
    //EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/dwarf.x",flags)); # is in nonbsd

    EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/anim_test.x",flags));
    EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/BCN_Epileptic.X",flags));
    //EXPECT_TRUE(pImp->ReadFile(ASSIMP_TEST_MODELS_DIR "/X/dwarf.x",flags)); # is in nonbsd
}

TEST_F( ImporterTest, SearchFileHeaderForTokenTest ) {
    //DefaultIOSystem ioSystem;
//    BaseImporter::SearchFileHeaderForToken( &ioSystem, assetPath, Token, 2 )
}