#-------------------------------------------------------------------------------
# Copyright (C) 2019-2020 Zilliz. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
#-------------------------------------------------------------------------------

if (DEFINED ENV{MILVUS_PULSAR_URL})
    set(PULSAR_URL "$ENV{MILVUS_PULSAR_URL}")
else ()
    set(PULSAR_URL
            "https://github.com/apache/pulsar/archive/${PULSAR_CLIENT_CPP_VERSION}.zip")
endif ()

message(STATUS "Building pulsar-client-cpp-${PULSAR_CLIENT_CPP_VERSION} from source")

include(ExternalProject)
ExternalProject_Add(
        pulsar
        URL ${PULSAR_URL}
        PREFIX ${pulsar_ROOT}
        CONFIGURE_COMMAND cd ${pulsar_ROOT}/src/pulsar/pulsar-client-cpp && cmake -DBUILD_TESTS=OFF -DCMAKE_INSTALL_PREFIX=${pulsar_ROOT}/build .
        BUILD_COMMAND cd ${pulsar_ROOT}/src/pulsar/pulsar-client-cpp && make -j8
        BUILD_IN_SOURCE true
        INSTALL_COMMAND cd ${pulsar_ROOT}/src/pulsar/pulsar-client-cpp && make install
)
#FetchContent_Declare(
#        pulsar
#        URL ${PULSAR_URL}
#        #        URL_MD5 "f9137c5bc18b7d74027936f0f1bfa5c8"
#        DOWNLOAD_DIR ${MILVUS_BINARY_DIR}/3rdparty_download/download
#        SOURCE_DIR  ${CMAKE_CURRENT_BINARY_DIR}/pulsar-client-cpp-src
#        BINARY_DIR  ${CMAKE_CURRENT_BINARY_DIR}/pulsar-client-cpp-build
#)
#
#include(FetchContent)
#FetchContent_GetProperties( pulsar )
#SET(BUILD_TESTS CACHE BOOL OFF FORCE)
#if (NOT pulsar_POPULATED)
#    FetchContent_Populate(pulsar)
#
#    # Adding the following targets:
#    # pulsar-client-cpp
#    add_subdirectory(${pulsar_SOURCE_DIR}/pulsar-client-cpp
#            ${pulsar_BINARY_DIR}/pulsar-client-cpp
#            EXCLUDE_FROM_ALL)
#endif ()
#
#include_directories(${pulsar_SOURCE_DIR}/pulsar-client-cpp/include)
#get_property(var DIRECTORY "${pulsar_SOURCE_DIR}/pulsar-client-cpp" PROPERTY COMPILE_OPTIONS)
#message(STATUS "pulsar-client-cpp compile options: ${var}")