CMAKE_MINIMUM_REQUIRED(VERSION 3.14 FATAL_ERROR)
INCLUDE(FetchContent)

PKG_SEARCH_MODULE(LIBUV QUIET libuv)
PKG_SEARCH_MODULE(LIBCONFIG QUIET libconfig)
FIND_LIBRARY(LIBZLOG zlog PATHS "/usr/local/lib")

IF (NOT LIBUV_FOUND)
    FETCHCONTENT_DECLARE(libuv
                         URL file://${CMAKE_SOURCE_DIR}/depend/libuv-v1.44.2.tar.gz
                         URL_MD5 0addbddcb1098e2c1c99f03f0108e1e7)
ENDIF ()

IF (NOT LIBCONFIG_FOUND)
    FETCHCONTENT_DECLARE(libconfig
                         URL file://${CMAKE_SOURCE_DIR}/depend/libconfig-1.7.3.tar.gz
                         URL_MD5 8f96910eee26118258ac8d4cd128a0b2)
ENDIF ()

IF (LIBZLOG STREQUAL "LIBZLOG-NOTFOUND")
    FETCHCONTENT_DECLARE(zlog
                         URL file://${CMAKE_SOURCE_DIR}/depend/zlog-1.2.16.tar.gz
                         URL_MD5 74ebc6fc119d756a13e692b734642ea6)
ENDIF ()

IF (NOT LIBUV_FOUND)
    FETCHCONTENT_MAKEAVAILABLE(libuv)
ENDIF ()

IF (NOT LIBCONFIG_FOUND)
    FETCHCONTENT_MAKEAVAILABLE(libconfig)
ENDIF ()

IF (LIBZLOG STREQUAL "LIBZLOG-NOTFOUND")
    FETCHCONTENT_MAKEAVAILABLE(zlog)
ENDIF ()

IF (NOT LIBUV_FOUND)
    MESSAGE(STATUS "libuv not found, will be used source code to build it ...")
    FETCHCONTENT_GETPROPERTIES(libuv)
    IF (NOT libuv_POPULATED)
        FETCHCONTENT_POPULATE(libuv)
        ADD_SUBDIRECTORY(${libuv_SOURCE_DIR} ${libuv_BINARY_DIR})
    ENDIF ()
    INCLUDE_DIRECTORIES(${libuv_SOURCE_DIR}/include)
    LIST(APPEND COMMON_LIBS "uv_a")
ELSE ()
    MESSAGE(STATUS "libuv found ${LIBUV_VERSION} at ${LIBUV_LIBRARY_DIRS}")
    LIST(APPEND COMMON_LIBS "${LIBUV_LDFLAGS}")
ENDIF ()

IF (NOT LIBCONFIG_FOUND)
    MESSAGE(STATUS "libconfig not found, will be used source code to build it ...")
    FETCHCONTENT_GETPROPERTIES(libconfig)
    IF (NOT libconfig_POPULATED)
        FETCHCONTENT_POPULATE(libconfig)
        ADD_SUBDIRECTORY(${libconfig_SOURCE_DIR} ${libconfig_BINARY_DIR})
    ENDIF ()
    INCLUDE_DIRECTORIES(${libconfig_SOURCE_DIR}/lib)
    LIST(APPEND COMMON_LIBS "config")
ELSE ()
    MESSAGE(STATUS "libconfig found ${LIBCONFIG_VERSION} at ${LIBCONFIG_LIBRARY_DIRS}")
    LIST(APPEND COMMON_LIBS "${LIBCONFIG_LDFLAGS}")
ENDIF ()

IF (LIBZLOG STREQUAL "LIBZLOG-NOTFOUND")
    MESSAGE(STATUS "zlog not found, will be used source code to build it ...")
    FETCHCONTENT_GETPROPERTIES(zlog)
    IF (NOT zlog_POPULATED)
        FETCHCONTENT_POPULATE(zlog)
        ADD_SUBDIRECTORY(${zlog_SOURCE_DIR} ${zlog_BINARY_DIR})
    ENDIF ()
    INCLUDE_DIRECTORIES(${zlog_SOURCE_DIR}/src)
    LIST(APPEND COMMON_LIBS "zlog")
ELSE ()
    MESSAGE(STATUS "zlog found of ${LIBZLOG}")
    LIST(APPEND COMMON_LIBS "${LIBZLOG}")
ENDIF ()