# The Flutter tooling requires that developers have CMake 3.10 or later
# installed. You should not increase this version, as doing so will cause
# the plugin to fail to compile for some customers of the plugin.
cmake_minimum_required(VERSION 3.10)
set(LIBDART_OPENMVG libdart_openmvg)
project(libdart_openmvg VERSION 0.0.1 LANGUAGES CXX)
enable_language(CXX)

set(CMAKE_POSITION_INDEPENDENT_CODE ON)

function(dump_cmake_variables)
    get_cmake_property(_variableNames VARIABLES)
    list (SORT _variableNames)
    foreach (_variableName ${_variableNames})
        if (ARGV0)
            unset(MATCHED)

            #case sensitive match
            # string(REGEX MATCH ${ARGV0} MATCHED ${_variableName})
            #
            #case insenstitive match
            string( TOLOWER "${ARGV0}" ARGV0_lower )
            string( TOLOWER "${_variableName}" _variableName_lower )
            string(REGEX MATCH ${ARGV0_lower} MATCHED ${_variableName_lower})

            if (NOT MATCHED)
                continue()
            endif()
        endif()
        message(STATUS "${_variableName}=${${_variableName}}")
    endforeach()
endfunction()


set (FFMPEG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../../ffmpeg_install/include)
set (ARCHIMEDES_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR})

set (LIBDART_OPENMVG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/src)

find_package(JPEG REQUIRED)
find_package(TIFF REQUIRED)

add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/extlib/cwalk)

# OPENMVG
find_package(OpenMVG
  REQUIRED
  PATHS "../../openMVG/build/_install"
)
dump_cmake_variables("^OPENMVG")
include_directories(${OpenMVG_INCLUDE_DIRS})

set(PNG_SHARED ON CACHE BOOL "" FORCE)
set(PNG_STATIC OFF CACHE BOOL "" FORCE)
set(PNG_EXECUTABLES OFF CACHE BOOL "" FORCE) # we only want lib
set(PNG_TESTS OFF CACHE BOOL "" FORCE) # we only want lib
set(SKIP_INSTALL_ALL OFF CACHE BOOL "" FORCE) # we only want lib

add_definitions(${PNG_DEFINITIONS})

add_library(${LIBDART_OPENMVG} SHARED
  "frame.cxx"
  "streamingview.cxx"
  "image.cxx"
)

target_include_directories(
  ${LIBDART_OPENMVG}
  PRIVATE
  ${FFMPEG_INCLUDE_DIRS}
  ${PNG_INCLUDE_DIRS}
  ${ARCHIMEDES_INCLUDE_DIRS}
  ${OpenMVG_DIR}/../../../include/openMVG_dependencies/cereal/include/cereal/
)

target_link_libraries(
  ${LIBDART_OPENMVG}
   cwalk
   jpeg
   tiff
   png
   OpenMVG::openMVG_image
   OpenMVG::openMVG_numeric
   OpenMVG::openMVG_features
   OpenMVG::openMVG_sfm
   OpenMVG::openMVG_exif
)


set_target_properties(${LIBDART_OPENMVG}
  PROPERTIES
  PUBLIC_HEADER image.h
  OUTPUT_NAME ${LIBDART_OPENMVG}
)

target_link_options(${LIBDART_OPENMVG} PRIVATE "-Wl,-Bdynamic")

add_executable(
  test_image
  ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_image.cxx
)

target_link_libraries(
  test_image
  cunit
  cwalk
  ${LIBDART_OPENMVG}
  png
  OpenMVG::openMVG_image
  OpenMVG::openMVG_numeric
  OpenMVG::openMVG_features
  OpenMVG::openMVG_sfm
  OpenMVG::openMVG_features
  OpenMVG::openMVG_exif
)

target_include_directories(
  test_image
  PRIVATE
  ${LIBDART_OPENMVG_INCLUDE_DIRS}
  ${OpenMVG_INCLUDE_DIRS}/src
)

set_target_properties(test_image
PROPERTIES
LINKER_LANGUAGE CXX
)

add_test (
  NAME test_image
  COMMAND test_image
)

target_compile_definitions(${LIBDART_OPENMVG} PUBLIC DART_SHARED_LIB)