cmake_minimum_required(VERSION 4.2.0)
project(bar)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")

find_package(PkgConfig REQUIRED)

# Some CMake versions may enable C++ modules and add compiler flags
# like `-fmodules-ts`. Older or certain `clang`/`clangd` builds may
# not accept this flag and will report "Unknown argument: '-fmodules-ts'".
# Strip that flag when using Clang to avoid diagnostics from clang/clangd.
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}")
    string(REPLACE "-fmodules-ts" "" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
endif()

pkg_check_modules(GTKMM REQUIRED gtkmm-4.0)
pkg_check_modules(LAYERSHELL REQUIRED gtk4-layer-shell-0)

include_directories(${GTKMM_INCLUDE_DIRS} ${LAYERSHELL_INCLUDE_DIRS})
link_directories(${GTKMM_LIBRARY_DIRS} ${LAYERSHELL_LIBRARY_DIRS})

add_library(bar_lib)
target_sources(bar_lib
    PUBLIC
        src/app.cpp
        src/bar/bar.cpp
        src/widgets/clock.cpp
        src/widgets/workspaceIndicator.cpp
        src/widgets/volumeWidget.cpp
        src/services/hyprland.cpp
        src/services/tray.cpp
        src/widgets/tray.cpp
)
include_directories(bar_lib PRIVATE 
    include
)

add_executable(bar main.cpp)

target_link_libraries(bar bar_lib ${GTKMM_LIBRARIES} ${LAYERSHELL_LIBRARIES})

# Copy `resources/bar.css` into the build directory when it changes
set(RES_SRC "${CMAKE_CURRENT_SOURCE_DIR}/resources/bar.css")
set(RES_DST "${CMAKE_CURRENT_BINARY_DIR}/resources/bar.css")

add_custom_command(
    OUTPUT ${RES_DST}
    COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/resources"
    COMMAND ${CMAKE_COMMAND} -E copy_if_different "${RES_SRC}" "${RES_DST}"
    DEPENDS "${RES_SRC}"
    COMMENT "Copy resources/bar.css to build directory"
    VERBATIM
)

add_custom_target(copy_resources ALL DEPENDS ${RES_DST})
add_dependencies(bar copy_resources)