// Copyright (C) 2009-2015, Panagiotis Christopoulos Charitos.
// All rights reserved.
// Code licensed under the BSD License.
// http://www.anki3d.org/LICENSE

#include "tests/framework/Framework.h"
#include "anki/resource/ResourceManager.h"
#include "anki/resource/DummyRsrc.h"
#include "anki/core/Config.h"
#include "anki/Gl.h"

namespace anki {

//==============================================================================
ANKI_TEST(Resource, ResourceManager)
{
	// Create
	Config config;
	
	HeapAllocator<U8> alloc(allocAligned, nullptr);

	GlDevice* gl = alloc.newInstance<GlDevice>();
	ANKI_TEST_EXPECT_NO_ERR(gl->create(allocAligned, nullptr, "/tmp/"));

	ResourceManager::Initializer rinit;
	rinit.m_gl = gl;
	rinit.m_config = &config;
	rinit.m_cacheDir = "/tmp/";
	rinit.m_allocCallback = allocAligned;
	rinit.m_allocCallbackData = nullptr;
	ResourceManager* resources = alloc.newInstance<ResourceManager>();
	ANKI_TEST_EXPECT_NEQ(resources, nullptr);
	ANKI_TEST_EXPECT_NO_ERR(resources->create(rinit));

	// Load a resource
	{
		DummyResourcePointer a;

		ANKI_TEST_EXPECT_NO_ERR(a.load("blah", resources));

		{
			DummyResourcePointer b = a;
			a = b;
			b = a;
		}
	}

	// Load and load again
	{
		DummyResourcePointer a;
		ANKI_TEST_EXPECT_NO_ERR(a.load("blah", resources));
		auto refcount = a.getReferenceCount();

		DummyResourcePointer b;
		ANKI_TEST_EXPECT_NO_ERR(b.load("blah", resources));
		ANKI_TEST_EXPECT_EQ(b.getReferenceCount(), a.getReferenceCount());
		ANKI_TEST_EXPECT_EQ(a.getReferenceCount(), refcount + 1);

		ANKI_TEST_EXPECT_EQ(b.get(), a.get());

		// Again
		DummyResourcePointer c;
		ANKI_TEST_EXPECT_NO_ERR(c.load("blah", resources));
		ANKI_TEST_EXPECT_EQ(a.getReferenceCount(), refcount + 2);

		// Load something else
		DummyResourcePointer d;
		ANKI_TEST_EXPECT_NO_ERR(d.load("blih", resources));
		ANKI_TEST_EXPECT_EQ(a.getReferenceCount(), refcount + 2);
	}

	// Exception
	{
		{
			DummyResourcePointer a;
			ANKI_TEST_EXPECT_EQ(
				a.load("error", resources), ErrorCode::USER_DATA);
		}

		{
			DummyResourcePointer a;
			ANKI_TEST_EXPECT_EQ(
				a.load("error", resources), ErrorCode::USER_DATA);
		}
	}

	// Delete
	alloc.deleteInstance(resources);
	alloc.deleteInstance(gl);
}

} // end namespace anki