cmake_minimum_required(VERSION 3.0)
project(ReducedModelOptimization)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
message(STATUS "The compiler ${CMAKE_CXX_COMPILER}")

#Add the project cmake scripts to the module path
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

#Download external dependencies NOTE: If the user has one of these libs it shouldn't be downloaded again.
include(${CMAKE_MODULE_PATH}/DownloadProject.cmake)
if (CMAKE_VERSION VERSION_LESS 3.2)
    set(UPDATE_DISCONNECTED_IF_AVAILABLE "")
else()
    set(UPDATE_DISCONNECTED_IF_AVAILABLE "UPDATE_DISCONNECTED 1")
endif()

if(NOT CMAKE_BUILD_TYPE)
 set(CMAKE_BUILD_TYPE "RelWithDebInfo")
set(EXTERNAL_DEPS_DIR "C:/Users/iason/Downloads/ReducedModelOptimization/build/externalDependencies/")
else()
set(EXTERNAL_DEPS_DIR "/home/iason/Coding/build/external dependencies/")
endif()

##Create directory for the external libraries
file(MAKE_DIRECTORY ${EXTERNAL_DEPS_DIR})


#Add the project sources
file(GLOB SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/*.hpp ${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp)

if(MSVC)
        add_compile_definitions(_HAS_STD_BYTE=0)
endif(MSVC)

add_executable(${PROJECT_NAME} ${SOURCES})

if(${CMAKE_BUILD_TYPE} STREQUAL "Release")
        set(USE_POLYSCOPE false)
        set(MYSOURCES_STATIC_LINK true)
        set(USE_ENSMALLEN false)
else()
    set_target_properties(${PROJECT_NAME} PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
        set(USE_POLYSCOPE true)
        add_compile_definitions(POLYSCOPE_DEFINED)
        set(MYSOURCES_STATIC_LINK false)
        set(USE_ENSMALLEN true)
        if(${USE_ENSMALLEN})
                add_compile_definitions(USE_ENSMALLEN)
        endif()
endif()

#dlib
set(DLIB_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}/dlib_bin)
file(MAKE_DIRECTORY ${DLIB_BIN_DIR})
download_project(PROJ               DLIB
                 GIT_REPOSITORY     https://github.com/davisking/dlib.git
                 GIT_TAG	    master
                 BINARY_DIR         ${DLIB_BIN_DIR}
                 PREFIX             ${EXTERNAL_DEPS_DIR}
                 ${UPDATE_DISCONNECTED_IF_AVAILABLE}
)
add_subdirectory(${DLIB_SOURCE_DIR} ${DLIB_BINARY_DIR})
if(${MYSOURCES_STATIC_LINK})
        target_link_libraries(${PROJECT_NAME} "-static" dlib::dlib)
else()
        target_link_libraries(${PROJECT_NAME} dlib::dlib)
endif()
add_compile_definitions(DLIB_DEFINED)

set(MYSOURCES_SOURCE_DIR "/home/iason/Coding/Libraries/MySources")
if (EXISTS ${MYSOURCES_SOURCE_DIR})
else()
##MySources
download_project(PROJ               MYSOURCES
                 GIT_REPOSITORY     https://gitea-s2i2s.isti.cnr.it/manolas/MySources.git
                 GIT_TAG	    master
                 PREFIX             ${EXTERNAL_DEPS_DIR}
                 ${UPDATE_DISCONNECTED_IF_AVAILABLE}
                 )
endif()
add_subdirectory(${MYSOURCES_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/MySourcesBinDir)

target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_20)
target_include_directories(${PROJECT_NAME}
        PUBLIC ${MYSOURCES_SOURCE_DIR}
        )
if(${MYSOURCES_STATIC_LINK})
        target_link_libraries(${PROJECT_NAME} -static Eigen3::Eigen MySources)
else()
        target_link_libraries(${PROJECT_NAME} Eigen3::Eigen MySources)
endif()

##Eigen 3 NOTE: Eigen is required on the system the code is ran
find_package(Eigen3 3.3 REQUIRED)