cmake_minimum_required(VERSION 3.19)

file(READ "${CMAKE_SOURCE_DIR}/VERSION" VER_RAW)
string(STRIP ${VER_RAW} VERSION)

project(
  hypridle
  DESCRIPTION "An idle management daemon for Hyprland"
  VERSION ${VERSION})

set(CMAKE_MESSAGE_LOG_LEVEL "STATUS")

if(CMAKE_BUILD_TYPE MATCHES Debug OR CMAKE_BUILD_TYPE MATCHES DEBUG)
  message(STATUS "Configuring hypridle in Debug with CMake")
  add_compile_definitions(HYPRLAND_DEBUG)
else()
  add_compile_options(-O3)
  message(STATUS "Configuring hypridle in Release with CMake")
endif()

add_compile_definitions(HYPRIDLE_VERSION="${VERSION}")

include_directories(. "protocols/")

include(GNUInstallDirs)

# configure
set(CMAKE_CXX_STANDARD 23)
add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value
                    -Wno-missing-field-initializers -Wno-narrowing)
configure_file(systemd/hypridle.service.in systemd/hypridle.service @ONLY)

# dependencies
message(STATUS "Checking deps...")

find_package(Threads REQUIRED)
find_package(PkgConfig REQUIRED)
pkg_check_modules(
  deps
  REQUIRED
  IMPORTED_TARGET
  wayland-client
  wayland-protocols
  hyprlang>=0.4.0
  hyprutils>=0.2.0
  sdbus-c++>=0.2.0)

file(GLOB_RECURSE SRCFILES CONFIGURE_DEPENDS "src/*.cpp")
add_executable(hypridle ${SRCFILES})
target_link_libraries(hypridle PRIVATE rt Threads::Threads PkgConfig::deps)

# protocols
find_program(WaylandScanner NAMES wayland-scanner)
message(STATUS "Found WaylandScanner at ${WaylandScanner}")
execute_process(
  COMMAND pkg-config --variable=pkgdatadir wayland-protocols
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  OUTPUT_VARIABLE WAYLAND_PROTOCOLS_DIR
  OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Found wayland-protocols at ${WAYLAND_PROTOCOLS_DIR}")

function(protocol protoPath protoName external)
  if(external)
    execute_process(
      COMMAND ${WaylandScanner} client-header ${protoPath}
              protocols/${protoName}-protocol.h
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    execute_process(
      COMMAND ${WaylandScanner} private-code ${protoPath}
              protocols/${protoName}-protocol.c
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    target_sources(hypridle PRIVATE protocols/${protoName}-protocol.c)
  else()
    execute_process(
      COMMAND
        ${WaylandScanner} client-header ${WAYLAND_PROTOCOLS_DIR}/${protoPath}
        protocols/${protoName}-protocol.h
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    execute_process(
      COMMAND
        ${WaylandScanner} private-code ${WAYLAND_PROTOCOLS_DIR}/${protoPath}
        protocols/${protoName}-protocol.c
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    target_sources(hypridle PRIVATE protocols/${protoName}-protocol.c)
  endif()
endfunction()

make_directory(${CMAKE_SOURCE_DIR}/protocols) # we don't ship any custom ones so
                                              # the dir won't be there
protocol("staging/ext-idle-notify/ext-idle-notify-v1.xml" "ext-idle-notify-v1"
         false)

# Installation
install(TARGETS hypridle)
install(FILES ${CMAKE_BINARY_DIR}/systemd/hypridle.service
        DESTINATION "lib/systemd/user")

install(
  FILES ${CMAKE_SOURCE_DIR}/assets/example.conf
  DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/hypr
  RENAME hypridle.conf)