cmake_minimum_required(VERSION 3.5)

project(SNAKE LANGUAGES CXX)

set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)


set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -g -Wpedantic")

add_library(snake
    snake.h
    snake_geometry.h
    snake.cpp
    snake_geometry.cpp
)


set(CLIPPER_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../clipper)
#set(ORTOOLS_LIB_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../or-tools/lib)

find_library(polyclipping REQUIRED)
#add_library(polyclipping ${CLIPPER_PATH}/clipper.cpp)
#include_directories(${CLIPPER_PATH}) # external header only lib
#include_directories(${ORTOOLS_INCLUDE_PATH})
find_package(GeographicLib REQUIRED)
target_link_libraries (snake ${GeographicLib_LIBRARIES} polyclipping)

# or-tools
set(ORTOOLS_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../or-tools)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ${ORTOOLS_ROOT})
find_package(ortools REQUIRED)

include_directories(
    ${ORTOOLS_INCLUDE_DIRS}
)
add_definitions(-DUSE_GLOP)
target_link_libraries(snake ${ORTOOLS_LIBRARIES})

# include snake root dir
target_include_directories (snake PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../mason_packages/headers/geometry/1.0.0/include) # external header only lib
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../mason_packages/headers/polylabel/1.0.3/include) # external header only lib
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../mason_packages/headers/variant/1.1.0/include) # external header only lib

add_subdirectory(test)