cmake_minimum_required(VERSION 3.21)
project(DupFind VERSION 0.1.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
option(USE_NATIVE_OPTIMIZATION "Optimize for the local machine" OFF)

# 最適化と popcnt 命令出力のためのフラグ設定
if(MSVC)
    add_compile_options(/arch:AVX2)
    set(X_VCPKG_APPLOCAL_DEPS_INSTALL ON)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
    add_compile_options(-mpopcnt -msse4.2)
    if(USE_NATIVE_OPTIMIZATION)
        add_compile_options(-march=native)
    endif()
endif()

# Qt 6
find_package(Qt6 COMPONENTS Widgets Concurrent REQUIRED)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)


# OpenCVの前にProtobufを自力で見つけさせる
find_package(Protobuf REQUIRED)
# OpenCV
find_package(OpenCV REQUIRED)

# SQLite3
find_package(SQLite3 REQUIRED)

include_directories(include)

file(GLOB_RECURSE SOURCES src/*.cpp)
file(GLOB_RECURSE HEADERS include/*.hpp)

add_library(DupFindCore STATIC ${SOURCES} ${HEADERS})
target_link_libraries(DupFindCore
    PUBLIC 
        Qt6::Widgets
        Qt6::Concurrent
        ${OpenCV_LIBS}
        SQLite::SQLite3
)

# Filter out mains from the core library sources if possible, but CMake GLOB can't filter easily inline.
# Better approach: remove them explicitly.
get_target_property(CORE_SOURCES DupFindCore SOURCES)
list(REMOVE_ITEM CORE_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp")
list(REMOVE_ITEM CORE_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/CmdMain.cpp")
set_target_properties(DupFindCore PROPERTIES SOURCES "${CORE_SOURCES}")

# GUI target
add_executable(${PROJECT_NAME} src/main.cpp)
target_link_libraries(${PROJECT_NAME} PRIVATE DupFindCore)

set_target_properties(${PROJECT_NAME} PROPERTIES
    WIN32_EXECUTABLE ON
    MACOSX_BUNDLE ON
)

# CLI target
add_executable(DupFindCmd src/CmdMain.cpp)
target_link_libraries(DupFindCmd PRIVATE DupFindCore)

# -----------------------------------------------------------------------------
# Deployment Configuration (Windows)
# -----------------------------------------------------------------------------
if(WIN32)
    # UCRTライブラリを自動的に含める
    set(CMAKE_INSTALL_UCRT_LIBRARIES TRUE)
    include(InstallRequiredSystemLibraries)
    # vc_redist.x64.exeを外す
    if(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS)
        list(FILTER CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS EXCLUDE REGEX "\\.exe$")
    endif()
    
    # Qt6::qmake 経由で bin ディレクトリを特定し windeployqt を探す
    get_target_property(_qmake_exe Qt6::qmake IMPORTED_LOCATION)
    get_filename_component(_qt_bin_dir "${_qmake_exe}" DIRECTORY)
    find_program(WINDEPLOYQT_EXECUTABLE windeployqt HINTS "${_qt_bin_dir}")

    set(DEPLOY_DIR "${CMAKE_CURRENT_SOURCE_DIR}/Deploy/DupFind")

    # `cmake --build build --target deploy` で起動する専用ターゲット
    add_custom_target(deploy
        # 1. 展開用ディレクトリの作成
        COMMAND ${CMAKE_COMMAND} -E make_directory "${DEPLOY_DIR}"
        
        # 2. 実行ファイル本体のコピー
        COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE:${PROJECT_NAME}>" "${DEPLOY_DIR}/"
        COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE:DupFindCmd>" "${DEPLOY_DIR}/"
        
        # 3. リソースディレクトリのコピー
        COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/resources" "${DEPLOY_DIR}/resources"
        
        # 4. vcpkgがビルドディレクトリに出力した サードパーティDLL (OpenCV, SQLiteなど) の収集
        COMMAND powershell -NoProfile -Command "Copy-Item -Path '$<TARGET_FILE_DIR:${PROJECT_NAME}>/*.dll' -Destination '${DEPLOY_DIR}/' -Force -ErrorAction SilentlyContinue"

        # UCRTライブラリのコピー
        COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS} "${DEPLOY_DIR}/"
        
        # 5. windeployqt による Qt DLL (--compiler-runtime) の自動収集
        COMMAND "${WINDEPLOYQT_EXECUTABLE}" --no-translations --dir "${DEPLOY_DIR}" "${DEPLOY_DIR}/$<TARGET_FILE_NAME:${PROJECT_NAME}>"
        
        DEPENDS ${PROJECT_NAME} DupFindCmd
        COMMENT "Deploying and bundling all dependencies into ${DEPLOY_DIR}..."
    )
endif()