/*
 *
 *    ******************************************************************************
 *    *
 *    * This program and the accompanying materials are made available under the
 *    * terms of the Apache License, Version 2.0 which is available at
 *    * https://www.apache.org/licenses/LICENSE-2.0.
 *    *
 *    *  See the NOTICE file distributed with this work for additional
 *    *  information regarding copyright ownership.
 *    * Unless required by applicable law or agreed to in writing, software
 *    * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *    * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *    * License for the specific language governing permissions and limitations
 *    * under the License.
 *    *
 *    * SPDX-License-Identifier: Apache-2.0
 *    *****************************************************************************
 *
 */

package org.nd4j.nativeblas.cuda;

import org.bytedeco.javacpp.ClassProperties;
import org.bytedeco.javacpp.LoadEnabled;
import org.bytedeco.javacpp.Loader;
import org.bytedeco.javacpp.annotation.Platform;
import org.bytedeco.javacpp.annotation.Properties;
import org.bytedeco.javacpp.tools.Info;
import org.bytedeco.javacpp.tools.InfoMap;
import org.bytedeco.javacpp.tools.InfoMapper;

import java.util.List;

/**
 *
 * @author saudet
 */
@Properties(target = "org.nd4j.nativeblas.Nd4jCuda", helper = "org.nd4j.nativeblas.cuda.Nd4jCudaHelper",
                value = {@Platform(define = "LIBND4J_ALL_OPS", include = {
                        "array/DataType.h",
                        "array/DataBuffer.h",
                        "array/PointerDeallocator.h",
                        "array/PointerWrapper.h",
                        "array/ConstantDescriptor.h",
                        "array/ConstantDataBuffer.h",
                        "array/ConstantShapeBuffer.h",
                        "array/ConstantOffsetsBuffer.h",
                        "array/TadPack.h",
                        "execution/ErrorReference.h",
                        "execution/Engine.h",
                        "execution/ExecutionMode.h",
                        "memory/MemoryType.h",
                        "system/Environment.h",
                        "types/utf8string.h",
                        "legacy/NativeOps.h",
                        "memory/ExternalWorkspace.h",
                        "memory/Workspace.h",
                        "indexing/NDIndex.h",
                        "indexing/IndicesList.h",
                        "array/DataType.h",
                        "graph/VariableType.h",
                        "graph/ArgumentsList.h",
                        "types/pair.h",
                        "types/pair.h",
                        "array/NDArray.h",
                        "array/NDArrayList.h",
                        "array/ResultSet.h",
                        "graph/RandomGenerator.h",
                        "graph/Variable.h",
                        "graph/VariablesSet.h",
                        "graph/FlowPath.h",
                        "graph/Intervals.h",
                        "graph/Stash.h",
                        "graph/GraphState.h",
                        "graph/VariableSpace.h",
                        "helpers/helper_generator.h",
                        "graph/profiling/GraphProfile.h",
                        "graph/profiling/NodeProfile.h",
                        "graph/Context.h",
                        "graph/ContextPrototype.h",
                        "graph/ResultWrapper.h",
                        "helpers/shape.h",
                        "array/ShapeList.h",
                        //"system/op_boilerplate.h",
                        "ops/InputType.h",
                        "ops/declarable/OpDescriptor.h",
                        "ops/declarable/PlatformHelper.h",
                        "ops/declarable/BroadcastableOp.h",
                        "ops/declarable/BroadcastableBoolOp.h",
                        "helpers/OpArgsHolder.h",
                        "ops/declarable/DeclarableOp.h",
                        "ops/declarable/DeclarableListOp.h",
                        "ops/declarable/DeclarableReductionOp.h",
                        "ops/declarable/DeclarableCustomOp.h",
                        "ops/declarable/BooleanOp.h",
                        "ops/declarable/LogicOp.h",
                        "ops/declarable/OpRegistrator.h",
                        "execution/ContextBuffers.h",
                        "execution/LaunchContext.h",
                        "array/ShapeDescriptor.h",
                        "array/TadDescriptor.h",
                        "array/TadPack.h",
                        "helpers/DebugInfo.h",
                        "ops/declarable/CustomOperations.h",
                        "build_info.h",
                    },
                        exclude = {"ops/declarable/headers/activations.h",
                                "ops/declarable/headers/boolean.h",
                                "ops/declarable/headers/broadcastable.h",
                                "ops/declarable/headers/convo.h",
                                "ops/declarable/headers/list.h",
                                "ops/declarable/headers/recurrent.h",
                                "ops/declarable/headers/transforms.h",
                                "ops/declarable/headers/parity_ops.h",
                                "ops/declarable/headers/shape.h",
                                "ops/declarable/headers/random.h",
                                "ops/declarable/headers/nn.h",
                                "ops/declarable/headers/blas.h",
                                "ops/declarable/headers/bitwise.h",
                                "ops/declarable/headers/tests.h",
                                "ops/declarable/headers/loss.h",
                                "ops/declarable/headers/datatypes.h",
                                "ops/declarable/headers/third_party.h",
                                "cnpy/cnpy.h"
                        },
                                compiler = {"cpp11", "nowarnings"},
                                library = "jnind4jcuda", link = "nd4jcuda", preload = "nd4jcuda"),
                @Platform(value = "linux", preload = "gomp@.1", preloadpath = {"/lib64/", "/lib/", "/usr/lib64/", "/usr/lib/"}),
                @Platform(value = "linux-armhf", preloadpath = {"/usr/arm-linux-gnueabihf/lib/", "/usr/lib/arm-linux-gnueabihf/"}),
                @Platform(value = "linux-arm64", preloadpath = {"/usr/aarch64-linux-gnu/lib/", "/usr/lib/aarch64-linux-gnu/"}),
                @Platform(value = "linux-ppc64", preloadpath = {"/usr/powerpc64-linux-gnu/lib/", "/usr/powerpc64le-linux-gnu/lib/", "/usr/lib/powerpc64-linux-gnu/", "/usr/lib/powerpc64le-linux-gnu/"}),
                @Platform(value = "windows", preload = {"libwinpthread-1", "libgcc_s_seh-1", "libgomp-1", "libstdc++-6", "nd4jcuda"}) })
public class Nd4jCudaPresets implements LoadEnabled, InfoMapper {

    @Override public void init(ClassProperties properties) {
        String platform = properties.getProperty("platform");
        List<String> preloads = properties.get("platform.preload");
        List<String> resources = properties.get("platform.preloadresource");

        // Only apply this at load time since we don't want to copy the CUDA libraries here
        if (!Loader.isLoadLibraries()) {
            return;
        }
        int i = 0;
        String[] libs = {"cudart", "cublasLt", "cublas", "curand", "cusolver", "cusparse", "cudnn",
                         "cudnn_ops_infer", "cudnn_ops_train", "cudnn_adv_infer",
                         "cudnn_adv_train", "cudnn_cnn_infer", "cudnn_cnn_train"};
        for (String lib : libs) {
            if (platform.startsWith("linux")) {
                lib += lib.startsWith("cudnn") ? "@.8" : lib.equals("curand") ? "@.10" : lib.equals("cudart") ? "@.11.0" : "@.11";
            } else if (platform.startsWith("windows")) {
                lib += lib.startsWith("cudnn") ? "64_8" : lib.equals("curand") ? "64_10" : lib.equals("cudart") ? "64_110" : "64_11";
            } else {
                continue; // no CUDA
            }
            if (!preloads.contains(lib)) {
                preloads.add(i++, lib);
            }
        }
        if (i > 0) {
            resources.add("/org/bytedeco/cuda/");
        }
    }

    @Override
    public void map(InfoMap infoMap) {
        infoMap.put(new Info("thread_local", "ND4J_EXPORT", "INLINEDEF", "CUBLASWINAPI", "FORCEINLINE",
                             "_CUDA_H", "_CUDA_D", "_CUDA_G", "_CUDA_HD", "LIBND4J_ALL_OPS", "NOT_EXCLUDED").cppTypes().annotations())
                .put(new Info("NativeOps.h", "build_info.h").objectify())
                .put(new Info("OpaqueTadPack").pointerTypes("OpaqueTadPack"))
                .put(new Info("OpaqueResultWrapper").pointerTypes("OpaqueResultWrapper"))
                .put(new Info("OpaqueShapeList").pointerTypes("OpaqueShapeList"))
                .put(new Info("OpaqueVariablesSet").pointerTypes("OpaqueVariablesSet"))
                .put(new Info("OpaqueVariable").pointerTypes("OpaqueVariable"))
                .put(new Info("OpaqueConstantDataBuffer").pointerTypes("OpaqueConstantDataBuffer"))
                .put(new Info("OpaqueConstantShapeBuffer").pointerTypes("OpaqueConstantShapeBuffer"))
                .put(new Info("OpaqueConstantOffsetsBuffer").pointerTypes("OpaqueConstantOffsetsBuffer"))
                .put(new Info("OpaqueContext").pointerTypes("OpaqueContext"))
                .put(new Info("OpaqueRandomGenerator").pointerTypes("OpaqueRandomGenerator"))
                .put(new Info("OpaqueLaunchContext").pointerTypes("OpaqueLaunchContext"))
                .put(new Info("OpaqueDataBuffer").pointerTypes("OpaqueDataBuffer"))
                .put(new Info("const char").valueTypes("byte").pointerTypes("@Cast(\"char*\") String",
                        "@Cast(\"char*\") BytePointer"))
                .put(new Info("char").valueTypes("char").pointerTypes("@Cast(\"char*\") BytePointer",
                        "@Cast(\"char*\") String"))
                .put(new Info("Nd4jPointer").cast().valueTypes("Pointer").pointerTypes("PointerPointer"))
                .put(new Info("Nd4jLong").cast().valueTypes("long").pointerTypes("LongPointer", "LongBuffer",
                        "long[]"))
                .put(new Info("Nd4jStatus").cast().valueTypes("int").pointerTypes("IntPointer", "IntBuffer",
                        "int[]"))
                .put(new Info("float16").cast().valueTypes("short").pointerTypes("ShortPointer", "ShortBuffer",
                        "short[]"))
                .put(new Info("bfloat16").cast().valueTypes("short").pointerTypes("ShortPointer", "ShortBuffer",
                        "short[]"));

        infoMap.put(new Info("__CUDACC__", "MAX_UINT", "HAVE_MKLDNN").define(false))
               .put(new Info("__JAVACPP_HACK__", "LIBND4J_ALL_OPS","__CUDABLAS__").define(true))
               .put(new Info("std::initializer_list", "cnpy::NpyArray", "sd::NDArray::applyLambda", "sd::NDArray::applyPairwiseLambda",
                             "sd::graph::FlatResult", "sd::graph::FlatVariable", "sd::NDArray::subarray", "std::shared_ptr", "sd::PointerWrapper", "sd::PointerDeallocator").skip())
               .put(new Info("std::string").annotations("@StdString").valueTypes("BytePointer", "String")
                                           .pointerTypes("@Cast({\"char*\", \"std::string*\"}) BytePointer"))
                .put(new Info("std::pair<int,int>").pointerTypes("IntIntPair").define())
                .put(new Info("std::vector<std::vector<int> >").pointerTypes("IntVectorVector").define())
                .put(new Info("std::vector<std::vector<Nd4jLong> >").pointerTypes("LongVectorVector").define())
                .put(new Info("std::vector<sd::NDArray*>").pointerTypes("NDArrayVector").define())
                .put(new Info("std::vector<const sd::NDArray*>").pointerTypes("ConstNDArrayVector").define())
                .put(new Info("bool").cast().valueTypes("boolean").pointerTypes("BooleanPointer", "boolean[]"))
                .put(new Info("sd::graph::ResultWrapper").base("org.nd4j.nativeblas.ResultWrapperAbstraction").define())
               .put(new Info("sd::IndicesList").purify());
/*
        String classTemplates[] = {
                "sd::NDArray",
                "sd::NDArrayList",
                "sd::ResultSet",
                "sd::OpArgsHolder",
                "sd::graph::GraphState",
                "sd::graph::Variable",
                "sd::graph::VariablesSet",
                "sd::graph::Stash",
                "sd::graph::VariableSpace",
                "sd::graph::Context",
                "sd::graph::ContextPrototype",
                "sd::ops::DeclarableOp",
                "sd::ops::DeclarableListOp",
                "sd::ops::DeclarableReductionOp",
                "sd::ops::DeclarableCustomOp",
                "sd::ops::BooleanOp",
                "sd::ops::BroadcastableOp",
                "sd::ops::LogicOp"};
        for (String t : classTemplates) {
            String s = t.substring(t.lastIndexOf(':') + 1);
            infoMap.put(new Info(t + "<float>").pointerTypes("Float" + s))
                    .put(new Info(t + "<float16>").pointerTypes("Half" + s))
                    .put(new Info(t + "<double>").pointerTypes("Double" + s));

        }
*/
        infoMap.put(new Info("sd::ops::OpRegistrator::updateMSVC").skip());
    }
}
