CMAKE_MINIMUM_REQUIRED(VERSION 3.10 FATAL_ERROR)
INCLUDE(depend/system_libs.cmake)

SET(VCPE_VERSION "1.0.1")
PROJECT(vCPE VERSION "${VCPE_VERSION}")

OPTION(VCPE_AGENT "Enable vCPE agent test application" OFF)
OPTION(USED_LWIP "PPPoE of LWIP support for vCPE" OFF)
OPTION(USED_OPENDHCPD "DHCP server for vCPE" OFF)
OPTION(USED_OPENDHCPDDNS "DHCP And DNS server for vCPE" OFF)
OPTION(USED_USER_VNI "Support pass user vni id from console command line" OFF)
option(BUILD_TESTING "Enable tests" OFF)

# 数据库开关
OPTION(USED_REDIS "Add redis database support for vCPE" OFF)
OPTION(USED_MYSQL "Add mysql database support for vCPE" OFF)
OPTION(USED_SQLITE "Add sqlite3 database support for vCPE" OFF)

SET(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/lib/pkgconfig")
SET(URI_HOME "${CMAKE_SOURCE_DIR}/libs")

SET(VERSION_GIT_TAG "")
SET(VERSION_GIT_HASH "")
SET(VERSION_GIT_HASH_SHORT "")
SET(VERSION_GIT_BRANCH "")

FIND_PACKAGE(Git QUIET)
IF (GIT_FOUND)
    EXECUTE_PROCESS(
            COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
            OUTPUT_VARIABLE VERSION_GIT_HASH
            OUTPUT_STRIP_TRAILING_WHITESPACE
            ERROR_QUIET
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
    EXECUTE_PROCESS(
            COMMAND ${GIT_EXECUTABLE} rev-parse --short=8 HEAD
            OUTPUT_VARIABLE VERSION_GIT_HASH_SHORT
            OUTPUT_STRIP_TRAILING_WHITESPACE
            ERROR_QUIET
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
    EXECUTE_PROCESS(
            COMMAND ${GIT_EXECUTABLE} symbolic-ref --short -q HEAD
            OUTPUT_VARIABLE VERSION_GIT_BRANCH
            OUTPUT_STRIP_TRAILING_WHITESPACE
            ERROR_QUIET
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
    EXECUTE_PROCESS(
            COMMAND ${GIT_EXECUTABLE} describe --tags --always --dirty=-dev
            OUTPUT_VARIABLE VERSION_GIT_TAG
            OUTPUT_STRIP_TRAILING_WHITESPACE
            ERROR_QUIET
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
ENDIF ()

IF ("${VERSION_GIT_TAG}" STREQUAL "")
    STRING(TIMESTAMP COMPILE_TIME %Y-%m-%d_%H:%M:%S)
    SET(VERSION_GIT_TAG ${COMPILE_TIME})
ELSE ()
    SET(VERSION_GIT_TAG ${VERSION_GIT_TAG})
ENDIF ()

CONFIGURE_FILE(prj_config.h.in prj_config.h)

MESSAGE("Git Tag: " ${VERSION_GIT_TAG})

# 判断依赖库是否存在
FIND_PACKAGE(PkgConfig)

SET(COMMON_LIBS "")

INCLUDE(./depend/third_libs.cmake)

IF (USED_USER_VNI)
    LIST(APPEND COMMON_DEFINE "-DUSER_VNI")
    MESSAGE("Select Option USED_USER_VNI")
ENDIF ()

IF (USED_LWIP)
    LIST(APPEND COMMON_DEFINE "-DLWIP_ON")
    MESSAGE("Select Option USED_LWIP")
ENDIF ()

IF (USED_OPENDHCPD)
    LIST(APPEND COMMON_DEFINE "-DOPENDHCPD_ON")
    MESSAGE("Select Option USED_OPENDHCPD")
    ADD_SUBDIRECTORY(srcs/opendhcp183)
ENDIF ()

IF (USED_OPENDHCPDDNS)
    LIST(APPEND COMMON_DEFINE "-DOPENDHCPDDNS_ON")
    MESSAGE("Select Option USED_OPENDHCPDDNS")
    ADD_SUBDIRECTORY(srcs/dual_server)
ENDIF ()

IF (VCPE_AGENT)
    MESSAGE("Select Option VCPE_AGENT")
ENDIF ()

IF (USED_SQLITE)
    MESSAGE("Select Option USED_SQLITE")
ENDIF ()

IF (USED_LWIP OR VCPE_AGENT)
    ADD_SUBDIRECTORY(srcs/lwip)
ENDIF ()

ADD_SUBDIRECTORY(srcs)
ADD_SUBDIRECTORY(srcs/libs)
ADD_SUBDIRECTORY(srcs/httpserver)

IF (BUILD_TESTING)
    ADD_SUBDIRECTORY(test)
    ADD_SUBDIRECTORY(srcs/libs/unit_test)
ENDIF ()