cmake_minimum_required (VERSION 3.2)
Project(core)

link_directories(/usr/local/lib)
link_libraries(drogon trantor pthread dl)

IF (CMAKE_SYSTEM_NAME MATCHES "Linux")
    EXEC_PROGRAM (gcc ARGS "--version | grep '^gcc'|awk '{print $3}' | sed s'/)//g' | sed s'/-.*//g'" OUTPUT_VARIABLE version)
    MESSAGE(STATUS "This is gcc version:: " ${version})
    if(version LESS 5.4.0)
        MESSAGE(STATUS "gcc is too old")
        stop()
    elseif(version LESS 7.1.0)
        set(CMAKE_CXX_STD_FLAGS c++14)
        MESSAGE(STATUS "c++14")
    else()
        set(CMAKE_CXX_STD_FLAGS c++17)
        MESSAGE(STATUS "c++17")
    endif()
else()
    set(CMAKE_CXX_STD_FLAGS c++17)
endif()

if(CMAKE_BUILD_TYPE STREQUAL "")
    set(CMAKE_BUILD_TYPE Release)
endif()

set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -std=${CMAKE_CXX_STD_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wall -std=${CMAKE_CXX_STD_FLAGS}")

set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake_modules/)

#jsoncpp
find_package (Jsoncpp REQUIRED)
include_directories(${JSONCPP_INCLUDE_DIRS})
link_libraries(${JSONCPP_LIBRARIES})

#uuid
find_package (UUID REQUIRED)
include_directories(${UUID_INCLUDE_DIR})
link_libraries(${UUID_LIBRARIES})

#OpenSSL
find_package (OpenSSL)
if(OpenSSL_FOUND)
    include_directories(${OPENSSL_INCLUDE_DIR})
    link_libraries(${OPENSSL_LIBRARIES})
endif()

#zlib
find_package(ZLIB REQUIRED)
include_directories(${ZLIB_INCLUDE_DIR})
link_libraries(${ZLIB_LIBRARIES})

#find postgres
find_package(PostgreSQL)
if(PostgreSQL_FOUND)
    message(STATUS "libpq inc path:" ${PostgreSQL_INCLUDE_DIR})
    message(STATUS "libpq lib:" ${PostgreSQL_LIBRARIES})
    include_directories(${PostgreSQL_INCLUDE_DIR})
    link_libraries(${PostgreSQL_LIBRARIES})
    set(DROGON_SOURCES ${DROGON_SOURCES}
            orm_lib/src/postgresql_impl/PostgreSQLResultImpl.cc)
    if(LIBPQ_BATCH_MODE)
        try_compile(libpq_supports_batch
                ${CMAKE_BINARY_DIR}/cmaketest
                ${PROJECT_SOURCE_DIR}/cmake/tests/test_libpq_batch_mode.cc
                LINK_LIBRARIES ${PostgreSQL_LIBRARIES}
                CMAKE_FLAGS "-Dinclude_directories=${PostgreSQL_INCLUDE_DIR}")
    endif()
    if(libpq_supports_batch)
        message(STATUS "The libpq supports fatch mode")
        OPTION(LIBPQ_SUPPORTS_BATCH_MODE "ibpq fatch mode" ON)
        set(DROGON_SOURCES ${DROGON_SOURCES}
                orm_lib/src/postgresql_impl/PgBatchConnection.cc)
    else()
        OPTION(LIBPQ_SUPPORTS_BATCH_MODE "ibpq fatch mode" OFF)
        set(DROGON_SOURCES ${DROGON_SOURCES}
                orm_lib/src/postgresql_impl/PgConnection.cc)
    endif()
endif()

#Find mysql, only mariadb client liberary is supported
find_package(MySQL)
if(MYSQL_FOUND)
    message(STATUS "inc:" ${MYSQL_INCLUDE_DIR})
    message(STATUS "libs:" ${MYSQL_CLIENT_LIBS})
    message(STATUS "version:" ${MYSQL_VERSION_STRING})
    if(MYSQL_VERSION_STRING STREQUAL "")
        set(MYSQL_FOUND false)
        message(STATUS "The mysql in your system is not the mariadb, so we can't use it in drogon")
    else()
        message(STATUS "Ok! We find the mariadb!")
        include_directories(${MYSQL_INCLUDE_DIR})
        link_libraries(${MYSQL_CLIENT_LIBS})
        set(DROGON_SOURCES ${DROGON_SOURCES}
                orm_lib/src/mysql_impl/MysqlConnection.cc
                orm_lib/src/mysql_impl/MysqlResultImpl.cc)
    endif()
endif()


#Find sqlite3.
find_package (SQLite3)
if (SQLITE3_FOUND)
  include_directories(${SQLITE3_INCLUDE_DIRS})
  link_libraries(${SQLITE3_LIBRARIES})
endif()

AUX_SOURCE_DIRECTORY(./ SRC_DIR)
AUX_SOURCE_DIRECTORY(controllers CTL_SRC)
AUX_SOURCE_DIRECTORY(filters FILTER_SRC)
AUX_SOURCE_DIRECTORY(plugins PLUGIN_SRC)
AUX_SOURCE_DIRECTORY(models MODEL_SRC)
AUX_SOURCE_DIRECTORY(helpers HELPER_SRC)

include_directories(/usr/local/include)

include_directories(${CMAKE_CURRENT_SOURCE_DIR})

configure_file("config.json" "config.json" COPYONLY)
add_executable(core ${SRC_DIR} ${CTL_SRC} ${FILTER_SRC} ${PLUGIN_SRC} ${MODEL_SRC} ${HELPER_SRC})