cmake_minimum_required(VERSION 3.10)

# ========== Main Project Settings ===============
project(CablesDatabaseServer LANGUAGES CXX)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /bigobj")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -flto")
endif()

set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)

# ========= Compile Definitions ===================

if(WIN32)
  add_compile_definitions(WIN_COMPILER)
  set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_RELEASE} /Zi /MTd /DDEBUG /DWIN_COMPILER")
elseif(UNIX)
  add_compile_definitions(UNIX_COMPILER)
endif()

add_compile_definitions(PROJECT_PATH="${CMAKE_CURRENT_SOURCE_DIR}")

# ========= Set Variables ===========
set(PROJECT_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
set(PROJECT_DIR_PATH ${CMAKE_CURRENT_SOURCE_DIR})
set(PROJECT_INCLUDE_DIR_PATH ${CMAKE_CURRENT_SOURCE_DIR}/include)
set(PROJECT_SRC_DIR_PATH ${CMAKE_CURRENT_SOURCE_DIR}/src)
set(PROJECT_LIB_DIR_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib)


set(OUTDIR_PATH ${PROJECT_ROOT_PATH}/build/${CMAKE_PROJECT_NAME})
set(DESTDIR_PATH ${OUTDIR_PATH}/${CMAKE_BUILD_TYPE})

#set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${DESTDIR_PATH})
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${DESTDIR_PATH})
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${DESTDIR_PATH})
endif()

file(READ "version.txt" APP_VERSION)
message(APP_VERSION="${APP_VERSION}")
configure_file(version.h.in version.h @ONLY)

set(CMAKE_PROJECT_VERSION ${APP_VERSION})

# =========== Include Directories =========
include_directories(${PROJECT_INCLUDE_DIR_PATH}
  ${PROJECT_LIB_DIR_PATH}/asio
  ${PROJECT_LIB_DIR_PATH}/nlohmann-json-3.11.2/include
  ${PROJECT_LIB_DIR_PATH}/tinyxml2-9.0.0
  ${PROJECT_LIB_DIR_PATH}
)

# ============== Add subdirectories =========================
add_subdirectory(${PROJECT_LIB_DIR_PATH}/nlohmann-json-3.11.2 nlohmann-json-3.11.2)
add_subdirectory(${PROJECT_LIB_DIR_PATH}/CppCommon CppCommon)

# =========== Project Headers =========
set(PROJECT_HEADERS
  ${PROJECT_INCLUDE_DIR_PATH}/Http/ParsingQuery.h
  ${PROJECT_INCLUDE_DIR_PATH}/Http/PrepareAnswer.h
  ${PROJECT_INCLUDE_DIR_PATH}/Http/SimpleServer.h
  ${PROJECT_INCLUDE_DIR_PATH}/Sql/DBHelper.h
  ${PROJECT_LIB_DIR_PATH}/CppCommon/Common/Basic/FileProxy.h
  ${PROJECT_LIB_DIR_PATH}/tinyxml2-9.0.0/tinyxml2.h

  ${Json_HEADERS}
)

# =========== Project Sources =========
set(PROJECT_SOURCES
  ${PROJECT_SRC_DIR_PATH}/Http/ParsingQuery.cpp
  ${PROJECT_SRC_DIR_PATH}/Http/PrepareAnswer.cpp
  ${PROJECT_SRC_DIR_PATH}/Http/SimpleServer.cpp
  ${PROJECT_SRC_DIR_PATH}/Sql/DBHelper.cpp
  ${PROJECT_LIB_DIR_PATH}/tinyxml2-9.0.0/tinyxml2.cpp
  ${PROJECT_SRC_DIR_PATH}/main.cpp
)

# Поиск всех необходимых Qt модулей
find_package(Qt6 COMPONENTS Core Network Sql Core5Compat)
if(Qt6Core_FOUND)
  add_compile_definitions(QT_VERSION_6_OR_HIGHER)
  set(IS_OLD_QT false)
else()
  find_package(Qt5 COMPONENTS Core Network Sql)
  if(Qt5Core_FOUND)
    set(IS_OLD_QT true)
    if(Qt6Core_VERSION VERSION_LESS 5.15)
       add_compile_definitions(OLD_QT_VERSION)
    endif()
  else()
    message(SEND_ERROR "The Qt6 or Qt5 library could not be found!")
  endif()
endif()

# ============== Create Project =========================
if(WIN32)
  add_executable(${PROJECT_NAME}
    ${PROJECT_SOURCES}
    ${PROJECT_HEADERS}
    ${CMAKE_CURRENT_SOURCE_DIR}/app.rc
  )
elseif(UNIX)
  add_executable(${PROJECT_NAME} ${PROJECT_SOURCES} ${PROJECT_HEADERS})
endif()

target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)

set_target_properties(${PROJECT_NAME}
    PROPERTIES
    RUNTIME_OUTPUT_DIRECTORY "${DESTDIR_PATH}"
)

# ============== Link Libraries =========================
target_link_libraries(${CMAKE_PROJECT_NAME}
  ${Libusb_LIB}
)
if(IS_OLD_QT)
  target_link_libraries(${CMAKE_PROJECT_NAME}
    Qt5::Core
    Qt5::Network
    Qt5::Sql)
else()
  target_link_libraries(${CMAKE_PROJECT_NAME}
    Qt6::Core
    Qt6::Network
    Qt6::Sql
    Qt6::Core5Compat)
endif()


if(WIN32)
  if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    target_link_libraries(${PROJECT_NAME} wsock32)
    target_link_libraries(${PROJECT_NAME} ws2_32)
  endif()
elseif(UNIX)
    target_link_libraries(${PROJECT_NAME} pthread)
endif()

# ======= Post Build Commands =================
message(PROJECT_DIR_PATH="${PROJECT_DIR_PATH}")
message(DESTDIR_PATH="${DESTDIR_PATH}")

# copy files to output directory
if(NOT ${PROJECT_DIR_PATH} STREQUAL ${DESTDIR_PATH})
  add_custom_command(TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_DIR_PATH}/version.txt ${DESTDIR_PATH}/version.txt
  )
  add_custom_command(TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_DIR_PATH}/resources/CablesSQLite.db ${DESTDIR_PATH}/CablesSQLite.db
  )
  add_custom_command(TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_DIR_PATH}/resources/CablesV2.xml ${DESTDIR_PATH}/CablesV2.xml
  )
  add_custom_command(TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_DIR_PATH}/DatabaseSettings.json ${DESTDIR_PATH}/DatabaseSettings.json
  )
endif()

# Deployment - Automatically Detect and Copy Dependencies to Build Folder
if(WIN32)
  if(IS_OLD_QT)
    get_target_property(_qmake_executable Qt5::qmake IMPORTED_LOCATION)
  else()
    get_target_property(_qmake_executable Qt6::qmake IMPORTED_LOCATION)
  endif()
  get_filename_component(_qt_bin_dir "${_qmake_executable}" DIRECTORY)
  find_program(WINDEPLOYQT_EXECUTABLE windeployqt HINTS "${_qt_bin_dir}")
  add_custom_command(TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E env PATH="${_qt_bin_dir}" "${WINDEPLOYQT_EXECUTABLE}"
      "$<TARGET_FILE:${PROJECT_NAME}>"
    COMMENT "Running windeployqt..."
  )
endif()