cmake_minimum_required(VERSION 2.8 FATAL_ERROR)

project(RabbitIm)

list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL "verbose")

if(POLICY CMP0083)
    cmake_policy(SET CMP0083 NEW)
endif()

if(POLICY CMP0020)
    cmake_policy(SET CMP0020 NEW)
endif()

if(POLICY CMP0021)
    cmake_policy(SET CMP0021 NEW)
endif()

SET(BUILD_VERSION "v0.1.0")
# Find Git Version Patch
IF(EXISTS "${CMAKE_SOURCE_DIR}/.git")
    if(NOT GIT)
        SET(GIT $ENV{GIT})
    endif()
    if(NOT GIT)
        FIND_PROGRAM(GIT NAMES git git.exe git.cmd)
    endif()
    IF(GIT)
        EXECUTE_PROCESS(
            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
            COMMAND ${GIT} describe --tags
            OUTPUT_VARIABLE GIT_VERSION  OUTPUT_STRIP_TRAILING_WHITESPACE
        )
        if(NOT GIT_VERSION)
            EXECUTE_PROCESS(
                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
                COMMAND ${GIT} rev-parse --short HEAD
                OUTPUT_VARIABLE GIT_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE
            )
        endif()
        SET(BUILD_VERSION ${GIT_VERSION})
    ENDIF(GIT)
ENDIF()
message("BUILD_VERSION:${BUILD_VERSION}")
set(VERSION ${BUILD_VERSION})

#需要的QT组件
if(CMAKE_VERSION VERSION_LESS "3.7.0")
    set(CMAKE_INCLUDE_CURRENT_DIR ON)
endif()
SET(QT_COMPONENTS Core Gui Widgets)
if(ANDROID)
    SET(QT_COMPONENTS ${QT_COMPONENTS} AndroidExtras)
endif()
find_package(QT NAMES Qt6 Qt5 COMPONENTS Core)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS ${QT_COMPONENTS})
message("QT_VERSION:${Qt${QT_VERSION_MAJOR}_VERSION}")
if(Qt${QT_VERSION_MAJOR}_VERSION VERSION_LESS 5.10.0 AND ANDROID)
    message(FATAL_ERROR "Qt must great 5.10.0")
endif()
if(Qt${QT_VERSION_MAJOR}_FOUND)
    FOREACH(_COMPONENT ${QT_COMPONENTS})
        list(APPEND QT_LIBRARIES Qt${QT_VERSION_MAJOR}::${_COMPONENT})
    ENDFOREACH()
endif()
get_filename_component(QT_INSTALL_DIR "${Qt${QT_VERSION_MAJOR}_DIR}/../../.." ABSOLUTE)
message("QT_INSTALL_DIR:${QT_INSTALL_DIR}")
message("QT_LIBRARIES:${QT_LIBRARIES}")

#打开 qt 编译工具
SET(CMAKE_AUTOUIC ON)
SET(CMAKE_AUTOMOC ON)
SET(CMAKE_AUTORCC ON)
SET(CMAKE_VERBOSE_MAKEFILE ON)

IF(MSVC)
    # This option is to enable the /MP switch for Visual Studio 2005 and above compilers
    OPTION(WIN32_USE_MP "Set to ON to build with the /MP option (Visual Studio 2005 and above)." ON)
    MARK_AS_ADVANCED(WIN32_USE_MP)
    IF(WIN32_USE_MP)
        #SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
        add_compile_options(/MP)
    ENDIF(WIN32_USE_MP)
    add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
    add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
ENDIF(MSVC)

SET(BUILD_SHARED_LIBS ON CACHE BOOL "Build shared libs")
if (BUILD_SHARED_LIBS)
    add_definitions(-DBUILD_SHARED_LIBS)
    if (CMAKE_COMPILER_IS_GNUCXX AND NOT MINGW)
       # Just setting CMAKE_POSITION_INDEPENDENT_CODE should be enough to set
       # -fPIC for GCC but sometimes it still doesn't get set, so make sure it
       # does.
       add_definitions("-fPIC")
    endif()
    set(CMAKE_POSITION_INDEPENDENT_CODE ON)
else(BUILD_SHARED_LIBS)
    ADD_DEFINITIONS(-DQT_STATIC -DRABBITIM_STATIC)
endif(BUILD_SHARED_LIBS)

include(CMakePackageConfigHelpers)
include(GenerateExportHeader)
include(GNUInstallDirs)
include(GenerateExportHeader)
include(CheckIncludeFile)
include(CheckIncludeFileCXX)
include(CheckFunctionExists)
include(CheckCXXCompilerFlag)
include(CheckIncludeFiles)
include(CheckLibraryExists)

#CHECK_INCLUDE_FILE_CXX("string" HAVE_STRING_H)
#check_include_file("math.h" HAVE_MATH_H)

#check_function_exists("fabs" HAVE_FABS)

set(BUILD_PLATFORM "${CMAKE_SYSTEM_NAME}")
# ----------------------------------------------------------------------------
# Detect compiler and target platform architecture
# ----------------------------------------------------------------------------
if(NOT ANDROID)
    if(X86_64 OR CMAKE_SIZEOF_VOID_P EQUAL 8)
        set(BUILD_ARCH x86_64)
    elseif(X86 OR CMAKE_SIZEOF_VOID_P EQUAL 4)
        set(BUILD_ARCH x86)
    endif()
else()
    set(BUILD_ARCH ${CMAKE_SYSTEM_PROCESSOR})
endif()

if(NOT RabbitCommon_DIR)
    set(RabbitCommon_DIR $ENV{RabbitCommon_DIR})
    if(NOT RabbitCommon_DIR)
        set(RabbitCommon_DIR ${CMAKE_SOURCE_DIR}/../RabbitCommon)
    endif()
endif()
if(DEFINED RabbitCommon_DIR AND EXISTS ${RabbitCommon_DIR}/Src)
    add_subdirectory(${RabbitCommon_DIR}/Src ${CMAKE_BINARY_DIR}/RabbitCommon)
    #list(APPEND CMAKE_MODULE_PATH ${RabbitCommon_DIR}/cmake)
    include(${RabbitCommon_DIR}/cmake/Translations.cmake)
    include(${RabbitCommon_DIR}/cmake/RabbitCommonUtils.cmake)
else()
    message("1. Please download RabbitCommon source code from https://github.com/KangLin/RabbitCommon")
    message("   ag:")
    message("       git clone https://github.com/KangLin/RabbitCommon.git")
    message("2. Then set cmake value or environment variable RabbitCommon_DIR to download root dirctory.")
    message("   ag:")
    message(FATAL_ERROR "       cmake -DRabbitCommon_DIR= ")
endif()

option(BUILD_PLUGIN_APP "Build plugin applications" OFF)
add_subdirectory(Src)
add_subdirectory(App)
add_subdirectory(Plugin)

# Create install runtime target
add_custom_target(install-runtime
  COMMAND
     "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=Runtime 
     -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake"
)
# Create uninstall runtime target
add_custom_target(uninstall-runtime
  COMMAND
     "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=Runtime 
     -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
)
# Create will be delete files
CONFIGURE_FILE(
    "${RabbitCommon_DIR}/cmake/cmake_uninstall.cmake.in"
    "${CMAKE_BINARY_DIR}/cmake_uninstall.cmake"
    IMMEDIATE @ONLY)
# Create unistall target
ADD_CUSTOM_TARGET(uninstall
    "${CMAKE_COMMAND}" -P "${CMAKE_BINARY_DIR}/cmake_uninstall.cmake"
    DEPENDS uninstall-runtime)


#安装相关文件
set(OTHER_FILES
    License.md
    Authors.md
    ChangeLog.md
    )
if(ANDROID)
    INSTALL(FILES ${OTHER_FILES} DESTINATION "assets" COMPONENT Runtime)
else()
    INSTALL(FILES ${OTHER_FILES} DESTINATION "." COMPONENT Runtime)
endif()

option(BUILD_DOCS "Generating API documentation" OFF)
if(BUILD_DOCS)
    find_package(Doxygen)
    if(DOXYGEN_FOUND)
        file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/Doxygen)
        foreach(OUTPUT_LANGUAGE English Chinese)
            set(MAIN_README "README.md")
            if(OUTPUT_LANGUAGE STREQUAL "Chinese")
                set(MAIN_README "README_zh_CN.md")
            endif()            
            configure_file(${CMAKE_SOURCE_DIR}/Doxyfile.in ${CMAKE_BINARY_DIR}/Doxyfile_${OUTPUT_LANGUAGE} @ONLY)
            add_custom_target(doc_${OUTPUT_LANGUAGE} ALL
                ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/Doxyfile_${OUTPUT_LANGUAGE} # &> doxygen.log
                WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
                COMMENT "Generating API documentation with Doxygen" VERBATIM
                )
        endforeach()
        install(DIRECTORY ${CMAKE_BINARY_DIR}/Doxygen/
            DESTINATION ${CMAKE_INSTALL_DOCDIR}/${OUTPUT_LANGUAGE}
                COMPONENT Runtime)
    endif(DOXYGEN_FOUND)
endif(BUILD_DOCS)