# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

cmake_minimum_required(VERSION 2.8)

if (APPLE)
    set(CMAKE_MACOSX_RPATH 1)
endif (APPLE)

# CMake complains if we don't have this.
if (COMMAND cmake_policy)
    cmake_policy(SET CMP0003 NEW)
endif ()

# We're escaping quotes in the Windows version number, because
# for some reason CMake won't do it at config version 2.4.7
# It seems that this restores the newer behaviour where define
# args are not auto-escaped.
if (COMMAND cmake_policy)
    cmake_policy(SET CMP0005 NEW)
endif ()

# First, declare project (important for prerequisite checks).
project(rocketmq-client-cpp)
if (NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Release")
endif ()
set(CMAKE_CONFIGURATION_TYPES "Release")
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
set(CMAKE_VERBOSE_MAKEFILE 1)
option(BUILD_ROCKETMQ_STATIC "build rocketmq-client static library" ON)
option(BUILD_ROCKETMQ_SHARED "build rocketmq-client shared library" ON)

#Find dependency 
option(Boost_USE_STATIC_LIBS "only find boost static libs" ON) # only find static libs
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME ON)
if (WIN32)
    find_package(Boost 1.56 REQUIRED COMPONENTS atomic thread system chrono date_time
            log log_setup regex serialization filesystem locale iostreams zlib)
    if (Boost_FOUND)
        message(STATUS "** Boost Include dir: ${Boost_INCLUDE_DIR}")
        message(STATUS "** Boost Libraries dir: ${Boost_LIBRARY_DIRS}")
        message(STATUS "** Boost Libraries: ${Boost_LIBRARIES}")
        include_directories(${Boost_INCLUDE_DIRS})
    endif ()
else ()
    #find_package(Boost 1.56 REQUIRED COMPONENTS atomic thread system chrono date_time log log_setup regex serialization filesystem locale iostreams) 
    set(Boost_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/bin/include)
    set(Boost_LIBRARY_DIRS ${PROJECT_SOURCE_DIR}/bin/lib)
    set(Boost_LIBRARIES ${Boost_LIBRARY_DIRS}/libboost_atomic.a;${Boost_LIBRARY_DIRS}/libboost_thread.a;${Boost_LIBRARY_DIRS}/libboost_system.a;${Boost_LIBRARY_DIRS}/libboost_chrono.a;
            ${Boost_LIBRARY_DIRS}/libboost_date_time.a;${Boost_LIBRARY_DIRS}/libboost_log.a;${Boost_LIBRARY_DIRS}/libboost_log_setup.a;
            ${Boost_LIBRARY_DIRS}/libboost_regex.a;${Boost_LIBRARY_DIRS}/libboost_serialization.a;${Boost_LIBRARY_DIRS}/libboost_filesystem.a;
            ${Boost_LIBRARY_DIRS}/libboost_locale.a;${Boost_LIBRARY_DIRS}/libboost_iostreams.a)
    include_directories(${Boost_INCLUDE_DIRS})
endif ()

message(STATUS "** Boost_INCLUDE_DIR: ${Boost_INCLUDE_DIR}")
message(STATUS "** Boost_LIBRARIES: ${Boost_LIBRARIES}")

option(Libevent_USE_STATIC_LIBS "only find libevent static libs" ON) # only find static libs
if (WIN32)
    find_package(Libevent 2.0.22 REQUIRED COMPONENTS)
    if (LIBEVENT_FOUND)
        include_directories(${LIBEVENT_INCLUDE_DIRS})
        message(STATUS "** libevent Include dir: ${LIBEVENT_INCLUDE_DIR}")
        message(STATUS "** libevent Libraries: ${LIBEVENT_LIBRARIES}")
    endif ()
else ()
    #find_package(Libevent 2.0.22 REQUIRED COMPONENTS)
    set(LIBEVENT_INCLUDE_DIRS ${PROJECT_SOURCE_DIR}/bin/include)
    set(LIBEVENT_LIBRARIES_DIR ${PROJECT_SOURCE_DIR}/bin/lib)
    set(LIBEVENT_LIBRARIES ${LIBEVENT_LIBRARIES_DIR}/libevent.a;${LIBEVENT_LIBRARIES_DIR}/libevent_core.a;${LIBEVENT_LIBRARIES_DIR}/libevent_extra.a;${LIBEVENT_LIBRARIES_DIR}/libevent_pthreads.a)
    include_directories(${LIBEVENT_INCLUDE_DIRS})
endif ()

message(STATUS "** LIBEVENT_INCLUDE_DIR: ${LIBEVENT_INCLUDE_DIR}")
message(STATUS "** LIBEVENT_LIBRARIES: ${LIBEVENT_LIBRARIES}")

option(JSONCPP_USE_STATIC_LIBS "only find jsoncpp static libs" ON) # only find static libs
if (WIN32)
    find_package(Jsoncpp 0.10.6)
    if (JSONCPP_FOUND)
        include_directories(${JSONCPP_INCLUDE_DIRS})
    endif ()
else ()
    set(JSONCPP_INCLUDE_DIRS ${PROJECT_SOURCE_DIR}/bin/include/jsoncpp)
    set(JSONCPP_LIBRARIES_DIR ${PROJECT_SOURCE_DIR}/bin/lib)
    set(JSONCPP_LIBRARIES ${JSONCPP_LIBRARIES_DIR}/libjsoncpp.a)
    include_directories(${JSONCPP_INCLUDE_DIRS})
endif ()

message(STATUS "** JSONCPP_INCLUDE_DIRS: ${JSONCPP_INCLUDE_DIRS}")
message(STATUS "** JSONCPP_LIBRARIES: ${JSONCPP_LIBRARIES}")

# put binaries in a different dir to make them easier to find.
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

# for unix, put debug files in a separate bin "debug" dir.
# release bin files should stay in the root of the bin dir.
# if (CMAKE_GENERATOR STREQUAL "Unix Makefiles")
#     if (CMAKE_BUILD_TYPE STREQUAL Debug)
#         set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin/debug)
#         set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin/debug)
#     endif()
# endif()

IF (WIN32)
    add_definitions(-DWIN32 -DROCKETMQCLIENT_EXPORTS)
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
ELSE ()
    set(C_FLAGS
            #-g
            -Wall
            -Wno-deprecated
            -fPIC
            -fno-strict-aliasing
            )
    set(CXX_FLAGS
            #-g
            -Wall
            -Wno-deprecated
            -fPIC
            -fno-strict-aliasing
            -std=c++11
            -Wno-unused-local-typedef
            -Wno-expansion-to-defined
            # -finline-limit=1000
            # -Wextra
            # -pedantic
            # -pedantic-errors
            # -D_FILE_OFFSET_BITS=64
            # -DVALGRIND
            # -DCHECK_PTHREAD_RETURN_VALUE
            # -Werror
            # -Wconversion
            # -Wno-unused-parameter
            # -Wunused-but-set-variable
            # -Wold-style-cast
            # -Woverloaded-virtual
            # -Wpointer-arith
            # -Wshadow
            # -Wwrite-strings
            # -Wdeprecated-declarations
            # -march=native
            # -MMD
            # -std=c++0x
            # -rdynamic
            )

    if (CMAKE_BUILD_BITS EQUAL 32)
        list(APPEND CXX_FLAGS "-m32")
    else () #not-condition
        list(APPEND CXX_FLAGS "-m64")
    endif ()

    string(REPLACE ";" " " CMAKE_CXX_FLAGS "${CXX_FLAGS}")
    string(REPLACE ";" " " CMAKE_C_FLAGS "${C_FLAGS}")

    option(ENABLE_ASAN "Enable asan reporting" OFF)
    if (ENABLE_ASAN)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer -static-libasan")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer -static-libasan")
        message(STATUS "** ENABLE_ASAN: ${ENABLE_ASAN} Enable asan reporting")
    endif ()

    option(ENABLE_LSAN "Enable lsan reporting" OFF)
    if (ENABLE_LSAN)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=leak -fno-omit-frame-pointer -static-liblsan")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=leak -fno-omit-frame-pointer -static-liblsan")
        message(STATUS "** ENABLE_LSAN: ${ENABLE_LSAN} Enable lsan reporting")
    endif ()

    set(CMAKE_CXX_FLAGS_DEBUG "-O0 -DDEBUG")
    set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")


    # Declare deplibs, so we can use list in linker later. There's probably
    # a more elegant way of doing this; with SCons, when you check for the
    # lib, it is automatically passed to the linker.
    set(deplibs)

    # For some reason, the check_function_exists macro doesn't detect
    # the inet_aton on some pure Unix platforms (e.g. sunos5). So we
    # need to do a more detailed check and also include some extra deplibs.
    list(APPEND deplibs dl)
    list(APPEND deplibs pthread)
    if (NOT APPLE)
        list(APPEND deplibs rt)
    endif ()
    list(APPEND deplibs z)

    option(CODE_COVERAGE "Enable coverage reporting" OFF)
    if (CODE_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
        # Add required flags (GCC & LLVM/Clang)
        # Code Coverage Configuration
        add_library(coverage_config INTERFACE)
        target_compile_options(coverage_config INTERFACE
                -O0        # no optimization
                -g         # generate debug info
                --coverage # sets all required flags
                )
        if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
            target_link_options(coverage_config INTERFACE --coverage)
        else ()
            target_link_libraries(coverage_config INTERFACE --coverage)
        endif ()
        list(APPEND deplibs coverage_config)
    endif (CODE_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
    # add include dir for bsd (posix uses /usr/include/)
    set(CMAKE_INCLUDE_PATH "${CMAKE_INCLUDE_PATH}:/usr/local/include")
ENDIF ()

# For config.h, set some static values; it may be a good idea to make
# these values dynamic for non-standard UNIX compilers.
set(ACCEPT_TYPE_ARG3 socklen_t)
set(HAVE_CXX_BOOL 1)
set(HAVE_CXX_CASTS 1)
set(HAVE_CXX_EXCEPTIONS 1)
set(HAVE_CXX_MUTABLE 1)
set(HAVE_CXX_STDLIB 1)
set(HAVE_PTHREAD_SIGNAL 1)
set(SELECT_TYPE_ARG1 int)
set(SELECT_TYPE_ARG234 "(fd_set *)")
set(SELECT_TYPE_ARG5 "(struct timeval *)")
set(STDC_HEADERS 1)
set(TIME_WITH_SYS_TIME 1)
set(HAVE_SOCKLEN_T 1)

# For config.h, save the results based on a template (config.h.in).
# configure_file(res/config.h.in ${root_dir}/config.h)

# add_definitions(-DSYSAPI_UNIX=1 -DHAVE_CONFIG_H)

add_subdirectory(libs)
add_subdirectory(project)
add_subdirectory(example)


option(RUN_UNIT_TEST "RUN_UNIT_TEST" OFF)

if (RUN_UNIT_TEST)
    message(STATUS "** RUN_UNIT_TEST: ${RUN_UNIT_TEST} Do execution testing")
    enable_testing()
    add_subdirectory(test)
endif ()