# ~~~
# Copyright 2022 Google LLC
#
# 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
#
#     https://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.
# ~~~

# TODO(8145): Enable on macOS.
if (APPLE)
    message(
        WARNING
            "Cannot build google/cloud/asset on Apple platforms."
            " More details at https://github.com/googleapis/google-cloud-cpp/issues/8145 ."
    )
    return()
endif ()

include(GoogleapisConfig)
set(DOXYGEN_PROJECT_NAME "Cloud Asset API C++ Client")
set(DOXYGEN_PROJECT_BRIEF "A C++ Client Library for the Cloud Asset API")
set(DOXYGEN_PROJECT_NUMBER "${PROJECT_VERSION}")
set(DOXYGEN_EXCLUDE_SYMBOLS "internal" "asset_internal" "asset_testing"
                            "examples")
set(DOXYGEN_EXAMPLE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/quickstart)

# Creates the proto headers needed by doxygen.
set(GOOGLE_CLOUD_CPP_DOXYGEN_DEPS google-cloud-cpp::asset_protos)
set(GOOGLE_CLOUD_CPP_DOXYGEN_EXTRA_INCLUDES
    "${PROJECT_BINARY_DIR}/google/cloud/accesscontextmanager"
    "${PROJECT_BINARY_DIR}/google/cloud/osconfig")

include(GoogleCloudCppCommon)

set(EXTERNAL_GOOGLEAPIS_SOURCE
    "${PROJECT_BINARY_DIR}/external/googleapis/src/googleapis_download")
find_path(PROTO_INCLUDE_DIR google/protobuf/descriptor.proto)
if (PROTO_INCLUDE_DIR)
    list(INSERT PROTOBUF_IMPORT_DIRS 0 "${PROTO_INCLUDE_DIR}")
endif ()

include(CompileProtos)
google_cloud_cpp_load_protolist(
    proto_list
    "${PROJECT_SOURCE_DIR}/external/googleapis/protolists/asset.list")
# orgpolicy/v**1** is used *indirectly* by google/cloud/asset, therefore it does
# not appear in protolists/asset.list. In addition, it is not compiled by any
# other library. So, added manually.
list(APPEND proto_list
     "${EXTERNAL_GOOGLEAPIS_SOURCE}/google/cloud/orgpolicy/v1/orgpolicy.proto")
google_cloud_cpp_load_protodeps(
    proto_deps "${PROJECT_SOURCE_DIR}/external/googleapis/protodeps/asset.deps")
google_cloud_cpp_grpcpp_library(
    google_cloud_cpp_asset_protos # cmake-format: sort
    ${proto_list} PROTO_PATH_DIRECTORIES "${EXTERNAL_GOOGLEAPIS_SOURCE}"
    "${PROTO_INCLUDE_DIR}")
external_googleapis_set_version_and_alias(asset_protos)
target_link_libraries(google_cloud_cpp_asset_protos PUBLIC ${proto_deps})

file(
    GLOB source_files
    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
    "*.h" "*.cc" "internal/*.h" "internal/*.cc")
list(SORT source_files)
add_library(google_cloud_cpp_asset ${source_files})
target_include_directories(
    google_cloud_cpp_asset
    PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
           $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
           $<INSTALL_INTERFACE:include>)
target_link_libraries(
    google_cloud_cpp_asset
    PUBLIC google-cloud-cpp::grpc_utils google-cloud-cpp::common
           google-cloud-cpp::asset_protos)
google_cloud_cpp_add_common_options(google_cloud_cpp_asset)
set_target_properties(
    google_cloud_cpp_asset
    PROPERTIES EXPORT_NAME google-cloud-cpp::asset
               VERSION "${PROJECT_VERSION}"
               SOVERSION "${PROJECT_VERSION_MAJOR}")
target_compile_options(google_cloud_cpp_asset
                       PUBLIC ${GOOGLE_CLOUD_CPP_EXCEPTIONS_FLAG})

add_library(google-cloud-cpp::asset ALIAS google_cloud_cpp_asset)

# Create a header-only library for the mocks. We use a CMake `INTERFACE` library
# for these, a regular library would not work on macOS (where the library needs
# at least one .o file). Unfortunately INTERFACE libraries are a bit weird in
# that they need absolute paths for their sources.
file(
    GLOB relative_mock_files
    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
    "mocks/*.h")
list(SORT relative_mock_files)
set(mock_files)
foreach (file IN LISTS relative_mock_files)
    list(APPEND mock_files "${CMAKE_CURRENT_SOURCE_DIR}/${file}")
endforeach ()
add_library(google_cloud_cpp_asset_mocks INTERFACE)
target_sources(google_cloud_cpp_asset_mocks INTERFACE ${mock_files})
target_link_libraries(
    google_cloud_cpp_asset_mocks
    INTERFACE google-cloud-cpp::asset GTest::gmock_main GTest::gmock
              GTest::gtest)
set_target_properties(google_cloud_cpp_asset_mocks
                      PROPERTIES EXPORT_NAME google-cloud-cpp::asset_mocks)
target_include_directories(
    google_cloud_cpp_asset_mocks
    INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
              $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
              $<INSTALL_INTERFACE:include>)
target_compile_options(google_cloud_cpp_asset_mocks
                       INTERFACE ${GOOGLE_CLOUD_CPP_EXCEPTIONS_FLAG})

include(CTest)
if (BUILD_TESTING)
    add_executable(asset_quickstart "quickstart/quickstart.cc")
    target_link_libraries(asset_quickstart PRIVATE google-cloud-cpp::asset)
    google_cloud_cpp_add_common_options(asset_quickstart)
    add_test(
        NAME asset_quickstart
        COMMAND cmake -P "${PROJECT_SOURCE_DIR}/cmake/quickstart-runner.cmake"
                $<TARGET_FILE:asset_quickstart> GOOGLE_CLOUD_PROJECT)
    set_tests_properties(asset_quickstart
                         PROPERTIES LABELS "integration-test;quickstart")
endif ()

# Get the destination directories based on the GNU recommendations.
include(GNUInstallDirs)

# Export the CMake targets to make it easy to create configuration files.
install(
    EXPORT google_cloud_cpp_asset-targets
    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/google_cloud_cpp_asset"
    COMPONENT google_cloud_cpp_development)

# Install the libraries and headers in the locations determined by
# GNUInstallDirs
install(
    TARGETS google_cloud_cpp_asset google_cloud_cpp_asset_protos
    EXPORT google_cloud_cpp_asset-targets
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
            COMPONENT google_cloud_cpp_runtime
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
            COMPONENT google_cloud_cpp_runtime
            NAMELINK_SKIP
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
            COMPONENT google_cloud_cpp_development)
# With CMake-3.12 and higher we could avoid this separate command (and the
# duplication).
install(
    TARGETS google_cloud_cpp_asset google_cloud_cpp_asset_protos
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
            COMPONENT google_cloud_cpp_development
            NAMELINK_ONLY
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
            COMPONENT google_cloud_cpp_development)

google_cloud_cpp_install_proto_library_protos("google_cloud_cpp_asset_protos"
                                              "${EXTERNAL_GOOGLEAPIS_SOURCE}")
google_cloud_cpp_install_proto_library_headers("google_cloud_cpp_asset_protos")
google_cloud_cpp_install_headers("google_cloud_cpp_asset"
                                 "include/google/cloud/asset")
google_cloud_cpp_install_headers("google_cloud_cpp_asset_mocks"
                                 "include/google/cloud/asset")

google_cloud_cpp_add_pkgconfig(
    asset
    "The Cloud Asset API C++ Client Library"
    "Provides C++ APIs to use the Cloud Asset API."
    "google_cloud_cpp_grpc_utils"
    " google_cloud_cpp_common"
    " google_cloud_cpp_asset_protos")

# Create and install the CMake configuration files.
include(CMakePackageConfigHelpers)
configure_file("config.cmake.in" "google_cloud_cpp_asset-config.cmake" @ONLY)
write_basic_package_version_file(
    "google_cloud_cpp_asset-config-version.cmake"
    VERSION ${PROJECT_VERSION}
    COMPATIBILITY ExactVersion)

install(
    FILES
        "${CMAKE_CURRENT_BINARY_DIR}/google_cloud_cpp_asset-config.cmake"
        "${CMAKE_CURRENT_BINARY_DIR}/google_cloud_cpp_asset-config-version.cmake"
    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/google_cloud_cpp_asset"
    COMPONENT google_cloud_cpp_development)

external_googleapis_install_pc("google_cloud_cpp_asset_protos")
