#include "IOpenCVEngine.h"
#include "EngineCommon.h"
#include "OpenCVEngine.h"
#include "IPackageManager.h"
#include "PackageManagerStub.h"
#include "PackageInfo.h"
#include "HardwareDetector.h"

#include <gtest/gtest.h>

#include <binder/IPCThreadState.h>
#include <binder/ProcessState.h>
#include <binder/IServiceManager.h>
#include <utils/Log.h>

using namespace android;

class ServiceStarter
{
public:
    ServiceStarter()
    {
	PackageManager = new PackageManagerStub();	
	Engine = new OpenCVEngine(PackageManager);
	
	defaultServiceManager()->addService(IOpenCVEngine::descriptor, Engine);
	     LOGI("OpenCVEngine native service started successfully");
	ProcessState::self()->startThreadPool();
    }
    ~ServiceStarter()
    {
	delete PackageManager;
    }

    PackageManagerStub* PackageManager;
    sp<IBinder> Engine;
};

static ServiceStarter Starter; 

sp<IOpenCVEngine> InitConnect()
{
    sp<IServiceManager> ServiceManager = defaultServiceManager();
    sp<IBinder> EngineService;
    sp<IOpenCVEngine> Engine;
    
    do
    {
	EngineService = ServiceManager->getService(IOpenCVEngine::descriptor);
	if (EngineService != 0) break;
	usleep(500000); // 0.5 s
    } while(true);
    
    Engine = interface_cast<IOpenCVEngine>(EngineService);
    
    return Engine;
}

TEST(OpenCVEngineTest, GetVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    EXPECT_FALSE(NULL == Engine.get());
    int32_t Version = Engine->GetVersion();
    EXPECT_EQ(OPEN_CV_ENGINE_VERSION, Version);
}

TEST(OpenCVEngineTest, GetPathForExecHWExistVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    Starter.PackageManager->InstalledPackages.clear();
    Starter.PackageManager->InstallVersion("240", PLATFORM_TEGRA3, ARCH_ARMv7 | FEATURES_HAS_NEON);
    EXPECT_FALSE(NULL == Engine.get());
    String16 result = Engine->GetLibPathByVersion(String16("2.4"));
    #ifdef __SUPPORT_TEGRA3    
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_tegra3/lib", String8(result).string());
    #else
    #ifdef __SUPPORT_ARMEABI_V7A_FEATURES
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a_neon/lib", String8(result).string());
    #else
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a/lib", String8(result).string());
    #endif
    #endif
}

TEST(OpenCVEngineTest, GetPathForExecHWOldVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    Starter.PackageManager->InstalledPackages.clear();
    Starter.PackageManager->InstallVersion("242", PLATFORM_TEGRA3, ARCH_ARMv7 | FEATURES_HAS_NEON);
    EXPECT_FALSE(NULL == Engine.get());
    String16 result = Engine->GetLibPathByVersion(String16("2.4.1"));
    #ifdef __SUPPORT_TEGRA3    
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_tegra3/lib", String8(result).string());
    #else
    #ifdef __SUPPORT_ARMEABI_V7A_FEATURES
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a_neon/lib", String8(result).string());
    #else
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a/lib", String8(result).string());
    #endif
    #endif
}

TEST(OpenCVEngineTest, GetPathForExecHWNewVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    Starter.PackageManager->InstalledPackages.clear();
    Starter.PackageManager->InstallVersion("241", PLATFORM_TEGRA3, ARCH_ARMv7 | FEATURES_HAS_NEON);
    EXPECT_FALSE(NULL == Engine.get());
    String16 result = Engine->GetLibPathByVersion(String16("2.4.2"));
    EXPECT_EQ(0, result.size());
}

TEST(OpenCVEngineTest, GetPathForUnExistVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    EXPECT_FALSE(NULL == Engine.get());
    String16 result = Engine->GetLibPathByVersion(String16("2.5"));
    EXPECT_EQ(0, result.size());
}

TEST(OpenCVEngineTest, InstallAndGetVersion)
{
    sp<IOpenCVEngine> Engine = InitConnect();
    Starter.PackageManager->InstalledPackages.clear();
    EXPECT_FALSE(NULL == Engine.get());
    EXPECT_TRUE(Engine->InstallVersion(String16("2.4")));
    String16 result = Engine->GetLibPathByVersion(String16("2.4"));
#ifdef __SUPPORT_TEGRA3    
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_tegra3/lib", String8(result).string());
#else
#ifdef __SUPPORT_ARMEABI_V7A_FEATURES
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a_neon/lib", String8(result).string());
#else
    EXPECT_STREQ("/data/data/org.opencv.lib_v24_armv7a/lib", String8(result).string());
#endif
#endif
}