cmake_minimum_required(VERSION 3.10)
project(robot_nav_msgs)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# ========================================================
# Catkin specific configuration
# ========================================================

if(DEFINED CATKIN_DEVEL_PREFIX OR DEFINED CATKIN_TOPLEVEL)
  set(BUILDING_WITH_CATKIN TRUE)
  message(STATUS "Building robot_nav_msgs with Catkin")
else()
  set(BUILDING_WITH_CATKIN FALSE)
  message(STATUS "Building robot_nav_msgs with Standalone CMake")
endif()

if(BUILDING_WITH_CATKIN)
  find_package(catkin REQUIRED COMPONENTS robot_std_msgs robot_geometry_msgs)
  ## The catkin_package macro generates cmake config files for your package
  ## Note: Dependencies (robot_std_msgs, robot_geometry_msgs, etc.) are not Catkin packages,
  ## they are built as CMake targets in the same workspace and will be available
  ## when this package is built. They are linked via target_link_libraries instead of CATKIN_DEPENDS
  catkin_package(
    INCLUDE_DIRS include
    # LIBRARIES không cần vì đây là header-only library
    # CATKIN_DEPENDS không cần vì dependencies không phải Catkin packages
  )
endif()

# Thư viện header-only
add_library(robot_nav_msgs INTERFACE)

# Include path tới thư mục chứa file header
target_include_directories(robot_nav_msgs
    INTERFACE
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)

# Liên kết với robot_std_msgs nếu bạn có file Header.h trong include/robot_std_msgs/
target_link_libraries(robot_nav_msgs INTERFACE 
                      robot_std_msgs
                      robot_nav_msgs
                      geometry_msgs
                      )

# --- Cài đặt thư viện vào hệ thống khi chạy make install ---
# Export target trong mọi trường hợp để các target khác có thể export và phụ thuộc vào nó
install(TARGETS robot_nav_msgs
  EXPORT robot_nav_msgs-targets
  INCLUDES DESTINATION include # Cài đặt include
)

if(NOT BUILDING_WITH_CATKIN)
  # Install headers for standalone mode
  install(DIRECTORY include/
    DESTINATION include
    FILES_MATCHING PATTERN "*.h"
  )
endif()

# --- Xuất export set robot_nav_msgs-targets thành file CMake module ---
# --- Tạo file lib/cmake/robot_nav_msgs/robot_nav_msgs-targets.cmake ---
# --- File này chứa cấu hình giúp project khác có thể dùng ---
# --- Find_package(robot_nav_msgs REQUIRED) ---
# --- Target_link_libraries(my_app PRIVATE robot_nav_msgs::robot_nav_msgs) ---
install(EXPORT robot_nav_msgs-targets 
  FILE robot_nav_msgs-targets.cmake
  NAMESPACE robot_nav_msgs::
  DESTINATION lib/cmake/robot_nav_msgs
)

add_executable(test_nav test/main.cpp)
target_link_libraries(test_nav PRIVATE robot_nav_msgs)