# Stone of Orthanc
# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
# Department, University Hospital of Liege, Belgium
# Copyright (C) 2017-2020 Osimis S.A., Belgium
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU Affero General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.


cmake_minimum_required(VERSION 2.8.3)
cmake_policy(SET CMP0058 NEW)

project(OrthancStone)

set(ORTHANC_STONE_INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/../../wasm-binaries/" CACHE PATH "Where to put the WebAssembly binaries")


# Configuration of the Emscripten compiler for WebAssembly target
# ---------------------------------------------------------------
set(USE_WASM ON CACHE BOOL "")

set(WASM_FLAGS "-s WASM=1 -s FETCH=1 -s ASSERTIONS=1 -s DISABLE_EXCEPTION_CATCHING=0")
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
  set(WASM_FLAGS "${WASM_FLAGS} -s SAFE_HEAP=1")
endif()

set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\"]'")
set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ERROR_ON_UNDEFINED_SYMBOLS=1")
set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s TOTAL_MEMORY=268435456")  # 256MB + resize
set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1")
add_definitions(
  -DDISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1
)


# Stone of Orthanc configuration
# ---------------------------------------------------------------
set(ALLOW_DOWNLOADS ON)

include(${CMAKE_SOURCE_DIR}/../../Applications/Platforms/WebAssembly/OrthancStoneWebAssemblyParameters.cmake)

SET(ENABLE_DCMTK OFF)  # Not necessary
SET(ENABLE_GOOGLE_TEST OFF)
SET(ENABLE_LOCALE ON)  # Necessary for text rendering
SET(ORTHANC_SANDBOXED ON)

# Needed to redirect std::cout to a <div>
set(ORTHANC_ENABLE_LOGGING_STDIO OFF CACHE INTERNAL "")

# this will set up the build system for Stone of Orthanc and will
# populate the ORTHANC_STONE_SOURCES CMake variable
include(${CMAKE_SOURCE_DIR}/../../Applications/Platforms/WebAssembly/OrthancStoneWebAssemblyConfiguration.cmake)


################################################################################

# Define the WASM module
# ---------------------------------------------------------------

set(USE_SYSTEM_GOOGLE_TEST OFF CACHE BOOL "Use the system version of Google Test")
set(USE_GOOGLE_TEST_DEBIAN_PACKAGE OFF CACHE BOOL "Use the sources of Google Test shipped with libgtest-dev (Debian only)")
mark_as_advanced(USE_GOOGLE_TEST_DEBIAN_PACKAGE)
include(${ORTHANC_STONE_ROOT}/../Resources/Orthanc/CMake/DownloadPackage.cmake)
include(${ORTHANC_STONE_ROOT}/../Resources/Orthanc/CMake/GoogleTestConfiguration.cmake)


include(${CMAKE_SOURCE_DIR}/../UnitTestsSources.cmake)
add_executable(UnitTests ${UNIT_TESTS_SOURCES})

  
# Declare installation files for the module
# ---------------------------------------------------------------
install(
  TARGETS UnitTests
  RUNTIME DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}/UnitTests/
  )

# Declare installation files for the companion files (web scaffolding)
# please note that ${CMAKE_CURRENT_BINARY_DIR}/RtViewerWasm.js
# (the generated JS loader for the WASM module) is handled by the `install1`
# section above: it is considered to be the binary output of 
# the linker.
# ---------------------------------------------------------------
install(
  FILES
  ${CMAKE_SOURCE_DIR}/index.html
  ${CMAKE_CURRENT_BINARY_DIR}/UnitTests.wasm
  DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}/UnitTests
  )