cmake_minimum_required(VERSION 2.8)

project(Orthanc)

# Version of the build, should always be "mainline" except in release branches
set(ORTHANC_VERSION "0.9.0")

# Version of the database schema. History:
#   * Orthanc 0.1.0 -> Orthanc 0.3.0 = no versioning
#   * Orthanc 0.3.1                  = version 2
#   * Orthanc 0.4.0 -> Orthanc 0.7.2 = version 3
#   * Orthanc 0.7.3 -> Orthanc 0.8.4 = version 4
#   * Orthanc 0.8.5 -> mainline      = version 5
set(ORTHANC_DATABASE_VERSION 5)


#####################################################################
## CMake parameters tunable at the command line
#####################################################################

# Parameters of the build
SET(STATIC_BUILD OFF CACHE BOOL "Static build of the third-party libraries (necessary for Windows)")
SET(STANDALONE_BUILD ON CACHE BOOL "Standalone build (all the resources are embedded, necessary for releases)")
SET(ENABLE_SSL ON CACHE BOOL "Include support for SSL")
SET(DCMTK_DICTIONARY_DIR "" CACHE PATH "Directory containing the DCMTK dictionaries \"dicom.dic\" and \"private.dic\" (only when using system version of DCMTK)") 
SET(ALLOW_DOWNLOADS OFF CACHE BOOL "Allow CMake to download packages")
SET(UNIT_TESTS_WITH_HTTP_CONNEXIONS ON CACHE BOOL "Allow unit tests to make HTTP requests")
SET(ENABLE_JPEG ON CACHE BOOL "Enable JPEG decompression")
SET(ENABLE_JPEG_LOSSLESS ON CACHE BOOL "Enable JPEG-LS (Lossless) decompression")

# Advanced parameters to fine-tune linking against system libraries
SET(USE_SYSTEM_JSONCPP ON CACHE BOOL "Use the system version of JsonCpp")
SET(USE_SYSTEM_GOOGLE_LOG ON CACHE BOOL "Use the system version of Google Log")
SET(USE_SYSTEM_GOOGLE_TEST ON CACHE BOOL "Use the system version of Google Test")
SET(USE_SYSTEM_SQLITE ON CACHE BOOL "Use the system version of SQLite")
SET(USE_SYSTEM_MONGOOSE ON CACHE BOOL "Use the system version of Mongoose")
SET(USE_SYSTEM_LUA ON CACHE BOOL "Use the system version of Lua")
SET(USE_SYSTEM_DCMTK ON CACHE BOOL "Use the system version of DCMTK")
SET(USE_SYSTEM_BOOST ON CACHE BOOL "Use the system version of Boost")
SET(USE_SYSTEM_LIBPNG ON CACHE BOOL "Use the system version of LibPng")
SET(USE_SYSTEM_CURL ON CACHE BOOL "Use the system version of LibCurl")
SET(USE_SYSTEM_OPENSSL ON CACHE BOOL "Use the system version of OpenSSL")
SET(USE_SYSTEM_ZLIB ON CACHE BOOL "Use the system version of ZLib")
SET(USE_SYSTEM_PUGIXML ON CACHE BOOL "Use the system version of Pugixml)")

# Experimental options
SET(USE_PUGIXML ON CACHE BOOL "Use the Pugixml parser (turn off only for debug)")

# Distribution-specific settings
SET(USE_GTEST_DEBIAN_SOURCE_PACKAGE OFF CACHE BOOL "Use the sources of Google Test shipped with libgtest-dev (Debian only)")
SET(SYSTEM_MONGOOSE_USE_CALLBACKS ON CACHE BOOL "The system version of Mongoose uses callbacks (version >= 3.7)")
SET(USE_BOOST_ICONV ON CACHE BOOL "Use iconv instead of wconv (Windows only)")

mark_as_advanced(USE_GTEST_DEBIAN_SOURCE_PACKAGE)
mark_as_advanced(SYSTEM_MONGOOSE_USE_CALLBACKS)
mark_as_advanced(USE_BOOST_ICONV)

# Path to the root folder of the Orthanc distribution
set(ORTHANC_ROOT ${CMAKE_SOURCE_DIR})

# Some basic inclusions
include(CheckIncludeFiles)
include(CheckIncludeFileCXX)
include(CheckLibraryExists)
include(FindPythonInterp)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/AutoGeneratedCode.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/DownloadPackage.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/Compiler.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/VisualStudioPrecompiledHeaders.cmake)




#####################################################################
## List of source files
#####################################################################

set(ORTHANC_CORE_SOURCES
  Core/Cache/MemoryCache.cpp
  Core/Cache/SharedArchive.cpp
  Core/ChunkedBuffer.cpp
  Core/Compression/BufferCompressor.cpp
  Core/Compression/ZlibCompressor.cpp
  Core/Compression/ZipWriter.cpp
  Core/Compression/HierarchicalZipWriter.cpp
  Core/OrthancException.cpp
  Core/DicomFormat/DicomArray.cpp
  Core/DicomFormat/DicomMap.cpp
  Core/DicomFormat/DicomTag.cpp
  Core/DicomFormat/DicomImageInformation.cpp
  Core/DicomFormat/DicomIntegerPixelAccessor.cpp
  Core/DicomFormat/DicomInstanceHasher.cpp
  Core/Enumerations.cpp
  Core/FileStorage/FilesystemStorage.cpp
  Core/FileStorage/StorageAccessor.cpp
  Core/FileStorage/CompressedFileStorageAccessor.cpp
  Core/FileStorage/FileStorageAccessor.cpp
  Core/HttpClient.cpp
  Core/HttpServer/EmbeddedResourceHttpHandler.cpp
  Core/HttpServer/FilesystemHttpHandler.cpp
  Core/HttpServer/HttpHandler.cpp
  Core/HttpServer/HttpOutput.cpp
  Core/HttpServer/MongooseServer.cpp
  Core/HttpServer/HttpFileSender.cpp
  Core/HttpServer/FilesystemHttpSender.cpp
  Core/RestApi/RestApiCall.cpp
  Core/RestApi/RestApiGetCall.cpp
  Core/RestApi/RestApiHierarchy.cpp
  Core/RestApi/RestApiPath.cpp
  Core/RestApi/RestApiOutput.cpp
  Core/RestApi/RestApi.cpp
  Core/MultiThreading/BagOfRunnablesBySteps.cpp
  Core/MultiThreading/Mutex.cpp
  Core/MultiThreading/ReaderWriterLock.cpp
  Core/MultiThreading/Semaphore.cpp
  Core/MultiThreading/SharedMessageQueue.cpp
  Core/ImageFormats/ImageAccessor.cpp
  Core/ImageFormats/ImageBuffer.cpp
  Core/ImageFormats/ImageProcessing.cpp
  Core/ImageFormats/PngReader.cpp
  Core/ImageFormats/PngWriter.cpp
  Core/SQLite/Connection.cpp
  Core/SQLite/FunctionContext.cpp
  Core/SQLite/Statement.cpp
  Core/SQLite/StatementId.cpp
  Core/SQLite/StatementReference.cpp
  Core/SQLite/Transaction.cpp
  Core/Toolbox.cpp
  Core/Uuid.cpp
  Core/Lua/LuaContext.cpp
  Core/Lua/LuaFunctionCall.cpp

  Plugins/Engine/SharedLibrary.cpp
  Plugins/Engine/PluginsManager.cpp
  Plugins/Engine/OrthancPlugins.cpp
  Plugins/Engine/OrthancPluginDatabase.cpp
  )


set(ORTHANC_SERVER_SOURCES
  OrthancServer/DicomProtocol/DicomFindAnswers.cpp
  OrthancServer/DicomProtocol/DicomServer.cpp
  OrthancServer/DicomProtocol/DicomUserConnection.cpp
  OrthancServer/DicomProtocol/RemoteModalityParameters.cpp
  OrthancServer/DicomProtocol/ReusableDicomUserConnection.cpp
  OrthancServer/DicomModification.cpp
  OrthancServer/FromDcmtkBridge.cpp
  OrthancServer/ParsedDicomFile.cpp
  OrthancServer/DicomDirWriter.cpp
  OrthancServer/Internals/CommandDispatcher.cpp
  OrthancServer/Internals/FindScp.cpp
  OrthancServer/Internals/MoveScp.cpp
  OrthancServer/Internals/StoreScp.cpp
  OrthancServer/Internals/DicomImageDecoder.cpp
  OrthancServer/OrthancInitialization.cpp
  OrthancServer/OrthancPeerParameters.cpp
  OrthancServer/OrthancRestApi/OrthancRestAnonymizeModify.cpp
  OrthancServer/OrthancRestApi/OrthancRestApi.cpp
  OrthancServer/OrthancRestApi/OrthancRestArchive.cpp
  OrthancServer/OrthancRestApi/OrthancRestChanges.cpp
  OrthancServer/OrthancRestApi/OrthancRestModalities.cpp
  OrthancServer/OrthancRestApi/OrthancRestResources.cpp
  OrthancServer/OrthancRestApi/OrthancRestSystem.cpp
  OrthancServer/ServerIndex.cpp
  OrthancServer/ToDcmtkBridge.cpp
  OrthancServer/DatabaseWrapper.cpp
  OrthancServer/ServerContext.cpp
  OrthancServer/ServerEnumerations.cpp
  OrthancServer/ServerToolbox.cpp
  OrthancServer/OrthancFindRequestHandler.cpp
  OrthancServer/OrthancMoveRequestHandler.cpp
  OrthancServer/ExportedResource.cpp
  OrthancServer/ResourceFinder.cpp
  OrthancServer/DicomFindQuery.cpp
  OrthancServer/QueryRetrieveHandler.cpp

  # From "lua-scripting" branch
  OrthancServer/DicomInstanceToStore.cpp
  OrthancServer/Scheduler/DeleteInstanceCommand.cpp
  OrthancServer/Scheduler/ModifyInstanceCommand.cpp
  OrthancServer/Scheduler/ServerCommandInstance.cpp
  OrthancServer/Scheduler/ServerJob.cpp
  OrthancServer/Scheduler/ServerScheduler.cpp
  OrthancServer/Scheduler/StorePeerCommand.cpp
  OrthancServer/Scheduler/StoreScuCommand.cpp
  OrthancServer/Scheduler/CallSystemCommand.cpp
  )


set(ORTHANC_UNIT_TESTS_SOURCES
  UnitTestsSources/DicomMapTests.cpp
  UnitTestsSources/FileStorageTests.cpp
  UnitTestsSources/FromDcmtkTests.cpp
  UnitTestsSources/MemoryCacheTests.cpp
  UnitTestsSources/PngTests.cpp
  UnitTestsSources/RestApiTests.cpp
  UnitTestsSources/SQLiteTests.cpp
  UnitTestsSources/SQLiteChromiumTests.cpp
  UnitTestsSources/ServerIndexTests.cpp
  UnitTestsSources/VersionsTests.cpp
  UnitTestsSources/ZipTests.cpp
  UnitTestsSources/LuaTests.cpp
  UnitTestsSources/MultiThreadingTests.cpp
  UnitTestsSources/UnitTestsMain.cpp
  UnitTestsSources/ImageProcessingTests.cpp
  UnitTestsSources/JpegLosslessTests.cpp
  UnitTestsSources/PluginsTests.cpp
  )


set(ORTHANC_EMBEDDED_FILES
  PREPARE_DATABASE            ${CMAKE_CURRENT_SOURCE_DIR}/OrthancServer/PrepareDatabase.sql
  UPGRADE_DATABASE_3_TO_4     ${CMAKE_CURRENT_SOURCE_DIR}/OrthancServer/Upgrade3To4.sql
  UPGRADE_DATABASE_4_TO_5     ${CMAKE_CURRENT_SOURCE_DIR}/OrthancServer/Upgrade4To5.sql
  CONFIGURATION_SAMPLE        ${CMAKE_CURRENT_SOURCE_DIR}/Resources/Configuration.json
  DICOM_CONFORMANCE_STATEMENT ${CMAKE_CURRENT_SOURCE_DIR}/Resources/DicomConformanceStatement.txt
  LUA_TOOLBOX                 ${CMAKE_CURRENT_SOURCE_DIR}/Resources/Toolbox.lua
  )



#####################################################################
## Inclusion of third-party dependencies
#####################################################################

# Configuration of the standalone builds
if (CMAKE_CROSSCOMPILING)
  # Cross-compilation implies the standalone build
  SET(STANDALONE_BUILD ON)
endif()

# Prepare the third-party dependencies
SET(THIRD_PARTY_SOURCES
  ${CMAKE_SOURCE_DIR}/Resources/ThirdParty/md5/md5.c
  ${CMAKE_SOURCE_DIR}/Resources/ThirdParty/base64/base64.cpp
  )

include(${CMAKE_SOURCE_DIR}/Resources/CMake/GoogleLogConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/BoostConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/DcmtkConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/MongooseConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/ZlibConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/SQLiteConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/JsonCppConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/LibPngConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/LuaConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/LibCurlConfiguration.cmake)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/PugixmlConfiguration.cmake)


if (${ENABLE_SSL})
  add_definitions(-DORTHANC_SSL_ENABLED=1)
  include(${CMAKE_SOURCE_DIR}/Resources/CMake/OpenSslConfiguration.cmake)
else()
  add_definitions(-DORTHANC_SSL_ENABLED=0)
endif()


if (ENABLE_JPEG)
  add_definitions(-DORTHANC_JPEG_ENABLED=1)
else()
  add_definitions(-DORTHANC_JPEG_ENABLED=0)
endif()


if (ENABLE_JPEG_LOSSLESS)
  add_definitions(-DORTHANC_JPEG_LOSSLESS_ENABLED=1)
else()
  add_definitions(-DORTHANC_JPEG_LOSSLESS_ENABLED=0)
endif()



#####################################################################
## Autogeneration of files
#####################################################################

if (${STANDALONE_BUILD})
  # We embed all the resources in the binaries for standalone builds
  add_definitions(-DORTHANC_STANDALONE=1)
  EmbedResources(
    ${ORTHANC_EMBEDDED_FILES}
    ORTHANC_EXPLORER ${CMAKE_CURRENT_SOURCE_DIR}/OrthancExplorer
    ${DCMTK_DICTIONARIES}
    )
else()
  add_definitions(
    -DORTHANC_STANDALONE=0
    -DORTHANC_PATH=\"${CMAKE_SOURCE_DIR}\"
    )
  EmbedResources(
    ${ORTHANC_EMBEDDED_FILES}
    )
endif()



#####################################################################
## Build the core of Orthanc
#####################################################################

# Setup precompiled headers for Microsoft Visual Studio
if (${MSVC})
  add_definitions(-DORTHANC_USE_PRECOMPILED_HEADERS=1)

  ADD_VISUAL_STUDIO_PRECOMPILED_HEADERS(
    "PrecompiledHeaders.h" "Core/PrecompiledHeaders.cpp" ORTHANC_CORE_SOURCES)

  ADD_VISUAL_STUDIO_PRECOMPILED_HEADERS(
    "PrecompiledHeadersServer.h" "OrthancServer/PrecompiledHeadersServer.cpp" ORTHANC_SERVER_SOURCES)

  ADD_VISUAL_STUDIO_PRECOMPILED_HEADERS(
    "PrecompiledHeadersUnitTests.h" "UnitTestsSources/PrecompiledHeadersUnitTests.cpp" ORTHANC_UNIT_TESTS_SOURCES)
endif()


add_definitions(
  -DORTHANC_VERSION="${ORTHANC_VERSION}"
  -DORTHANC_DATABASE_VERSION=${ORTHANC_DATABASE_VERSION}
  )

list(LENGTH OPENSSL_SOURCES OPENSSL_SOURCES_LENGTH)
if (${OPENSSL_SOURCES_LENGTH} GREATER 0)
  add_library(OpenSSL STATIC ${OPENSSL_SOURCES})
endif()

add_library(CoreLibrary
  STATIC
  ${AUTOGENERATED_SOURCES}
  ${THIRD_PARTY_SOURCES}
  ${CURL_SOURCES}
  ${ORTHANC_CORE_SOURCES}
  )  


#####################################################################
## Build the Orthanc server
#####################################################################

add_library(ServerLibrary
  STATIC
  ${DCMTK_SOURCES}
  ${ORTHANC_SERVER_SOURCES}
  )

# Ensure autogenerated code is built before building ServerLibrary
add_dependencies(ServerLibrary CoreLibrary)

add_executable(Orthanc
  OrthancServer/main.cpp
  )

target_link_libraries(Orthanc ServerLibrary CoreLibrary ${STATIC_LUA} ${STATIC_GOOGLE_LOG} ${DCMTK_LIBRARIES})

if (${OPENSSL_SOURCES_LENGTH} GREATER 0)
  target_link_libraries(Orthanc OpenSSL)
endif()

install(
  TARGETS Orthanc
  RUNTIME DESTINATION sbin
  )



#####################################################################
## Build the unit tests
#####################################################################

if (UNIT_TESTS_WITH_HTTP_CONNEXIONS)
  add_definitions(-DUNIT_TESTS_WITH_HTTP_CONNEXIONS=1)
else()
  add_definitions(-DUNIT_TESTS_WITH_HTTP_CONNEXIONS=0)
endif()

add_definitions(-DORTHANC_BUILD_UNIT_TESTS=1)
include(${CMAKE_SOURCE_DIR}/Resources/CMake/GoogleTestConfiguration.cmake)
add_executable(UnitTests
  ${GTEST_SOURCES}
  ${ORTHANC_UNIT_TESTS_SOURCES}
  )
target_link_libraries(UnitTests ServerLibrary CoreLibrary ${STATIC_LUA} ${STATIC_GOOGLE_LOG} ${DCMTK_LIBRARIES})

if (${OPENSSL_SOURCES_LENGTH} GREATER 0)
  target_link_libraries(UnitTests OpenSSL)
endif()



#####################################################################
## Build the "ServeFolders" plugin
#####################################################################

include(ExternalProject)
externalproject_add(ServeFolders
  CMAKE_ARGS -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} -DSERVE_FOLDERS_VERSION:STRING=${ORTHANC_VERSION} -DALLOW_DOWNLOADS:BOOL=ON -DSTATIC_BUILD:BOOL=${STATIC_BUILD} -DUSE_SYSTEM_JSONCPP:BOOL=${USE_SYSTEM_JSONCPP} -DCMAKE_INSTALL_PREFIX=Install
  SOURCE_DIR ${CMAKE_SOURCE_DIR}/Plugins/Samples/ServeFolders
  )

ExternalProject_Get_Property(ServeFolders binary_dir)
install(
  DIRECTORY ${binary_dir}/Install/share/orthanc/plugins
  DESTINATION share/orthanc
  )



#####################################################################
## Generate the documentation if Doxygen is present
#####################################################################

find_package(Doxygen)
if (DOXYGEN_FOUND)
  configure_file(
    ${CMAKE_SOURCE_DIR}/Resources/Orthanc.doxygen
    ${CMAKE_CURRENT_BINARY_DIR}/Orthanc.doxygen
    @ONLY)

  configure_file(
    ${CMAKE_SOURCE_DIR}/Resources/OrthancPlugin.doxygen
    ${CMAKE_CURRENT_BINARY_DIR}/OrthancPlugin.doxygen
    @ONLY)

  add_custom_target(doc
    ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Orthanc.doxygen
    COMMENT "Generating internal documentation with Doxygen" VERBATIM
    )

  add_custom_command(TARGET Orthanc
    POST_BUILD
    COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/OrthancPlugin.doxygen
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
    COMMENT "Generating plugin documentation with Doxygen" VERBATIM
    )

  install(
    DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/OrthancPluginDocumentation/doc/
    DESTINATION share/doc/orthanc/OrthancPlugin
    )
else()
  message("Doxygen not found. The documentation will not be built.")
endif()



#####################################################################
## Install the plugin SDK
#####################################################################

install(
  FILES
  Plugins/Include/OrthancCPlugin.h 
  Plugins/Include/OrthancCDatabasePlugin.h 
  Plugins/Include/OrthancCppDatabasePlugin.h 
  DESTINATION include/orthanc
  )



#####################################################################
## Prepare the "uninstall" target
## http://www.cmake.org/Wiki/CMake_FAQ#Can_I_do_.22make_uninstall.22_with_CMake.3F
#####################################################################

configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/Resources/CMake/Uninstall.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
    IMMEDIATE @ONLY)

add_custom_target(uninstall
    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)