set(CMAKE_CXX_FLAGS         "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -std=c++11 -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O2")
set(CMAKE_CXX_FLAGS_DEBUG   "-g -O0")
set(TEST_REPOSITORY_LOC "${CMAKE_BINARY_DIR}/repository")
remove_definitions(-DSWIGLUA)

# find SWIG package
if(GEN_LANGUAGE_BINDINGS)
    find_package(SWIG)
    if(NOT SWIG_FOUND)
        message(WARNING "SWIG library not found")
    else()
        include(${SWIG_USE_FILE})
    endif()
endif()

# find Lua package
if(GEN_LUA_BINDINGS AND SWIG_FOUND)
    message(STATUS "Lua version ${GEN_LUA_VERSION} was selected")
    if(${GEN_LUA_VERSION} STREQUAL "5.1")
        find_package(Lua51)
        if(NOT LUA51_FOUND)
            message(WARNING "Did not found Lua version 5.1")
            message(STATUS "Sysrepo supports Lua 5.1, Lua 5.2 and Lua 5.3")
        endif()
    elseif(${GEN_LUA_VERSION} STREQUAL "5.2")
        find_package(Lua 5.2)
        if(NOT LUA_FOUND)
            message(WARNING "Did not found Lua version 5.2")
            message(STATUS "Sysrepo supports Lua 5.1, Lua 5.2 and Lua 5.3")
        endif()
    elseif(${GEN_LUA_VERSION} STREQUAL "5.3")
        find_package(Lua 5.3)
        if(NOT LUA_FOUND)
            message(WARNING "Did not found Lua version 5.3")
            message(STATUS "Sysrepo supports Lua 5.1, Lua 5.2 and Lua 5.3")
        endif()
    else()
        message(WARNING "Sysrepo supports Lua 5.1, Lua 5.2 and Lua 5.3")
    endif()
endif()

# find Python package
if(GEN_PYTHON_BINDINGS AND SWIG_FOUND)
    message("-- Python version ${GEN_PYTHON_VERSION} was selected")
    if(${GEN_PYTHON_VERSION} STREQUAL "2")
        find_package(PythonLibs 2)
        find_package(PythonInterp)
        if(NOT PYTHONLIBS_FOUND)
            message(WARNING "Did not found Python version 2.x")
            message("-- Sysrepo supports Python 2.x and Python 3.x")
        endif()
    elseif(${GEN_PYTHON_VERSION} STREQUAL "3")
        find_package(PythonLibs 3)
        find_package(PythonInterp)
        if(NOT PYTHONLIBS_FOUND)
            message(WARNING "Did not found Python version 3.x")
            message("-- Sysrepo supports Python 2.x and Python 3.x")
        else()
            set(GEN_PYTHON3_TESTS 1 CACHE BOOL "Enable Python3 tests.")
        endif()
    else()
        message(WARNING "Sysrepo supports Python 2.x and Python 3.x")
    endif()
endif()

# find Python package
if(GEN_JAVA_BINDINGS AND SWIG_FOUND)
    find_package(Java REQUIRED)
    find_package(JNI REQUIRED)
    if(NOT JAVA_FOUND)
        message(WARNING "Did not found Java")
    endif()
    if(NOT JNI_FOUND)
        message(WARNING "Did not found JNI")
    endif()
endif()

project(Sysrepo-cpp)
set(SYSREPO_CPP_SOURCES
    ${CMAKE_SOURCE_DIR}/swig/cpp/src/Sysrepo.cpp
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Connection.cpp
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Session.cpp
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Struct.cpp
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Xpath.cpp
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Tree.cpp
    ${CMAKE_SOURCE_DIR}/swig/cpp/src/Internal.cpp)

set(SYSREPO_HPP_SOURCES
    ${CMAKE_SOURCE_DIR}/swig/cpp/src/Sysrepo.h
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Connection.h
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Session.h
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Struct.h
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Xpath.h
        ${CMAKE_SOURCE_DIR}/swig/cpp/src/Tree.h
    ${CMAKE_SOURCE_DIR}/swig/cpp/src/Internal.h)

add_library(Sysrepo-cpp SHARED ${SYSREPO_CPP_SOURCES})
SET_TARGET_PROPERTIES(Sysrepo-cpp PROPERTIES
              VERSION ${SYSREPO_VERSION} SOVERSION ${SYSREPO_SOVERSION})

# include custom Modules
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMakeModules/")

include_directories(${CMAKE_SOURCE_DIR})
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/cpp/src")
target_link_libraries(Sysrepo-cpp sysrepo)

# install binary
install(TARGETS Sysrepo-cpp DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(FILES ${SYSREPO_HPP_SOURCES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/sysrepo-cpp)

# Examples
if(GEN_CPP_BINDINGS AND BUILD_CPP_EXAMPLES)
    add_subdirectory(cpp/examples)

    if("${TEST_REPOSITORY_LOC}" STREQUAL "${REPOSITORY_LOC}" AND ENABLE_TESTS)
        add_subdirectory(cpp/tests)

        # make Sysrepo-cpp depend on sysrepoctl
        add_dependencies(Sysrepo-cpp sysrepoctl)

        macro(INSTALL_YANG MODULE_NAME MODULE_REVISION)

          set(CPP_TEST_MODULE ${MODULE_NAME})
          set(CPP_TEST_MODULE_REV ${MODULE_REVISION} )
          set(CPP_SWIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/cpp)
          set(CPP_TEST_DIR ${CPP_SWIG_DIR}/tests)
          set(CPP_YANG_DIR ${CPP_TEST_DIR}/yang)

          ADD_CUSTOM_COMMAND(
            TARGET Sysrepo-cpp
            POST_BUILD
            COMMAND ${CMAKE_BINARY_DIR}/src/sysrepoctl --install --yang=${CPP_YANG_DIR}/${CPP_TEST_MODULE}@${CPP_TEST_MODULE_REV}.yang
            VERBATIM)
        endmacro(INSTALL_YANG)

        INSTALL_YANG("swig-test-cpp-changes"    "2017-03-09")
        INSTALL_YANG("swig-test-cpp-operations" "2017-03-09")
    endif()
endif()

if(PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND AND ${GEN_PYTHON_VERSION} STREQUAL "2")
    add_subdirectory(python2)
endif()

if(PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND AND ${GEN_PYTHON_VERSION} STREQUAL "3")
    add_subdirectory(python3)
endif()

if(JAVA_FOUND)
    add_subdirectory(java)
endif()

# build Lua bindings
if(LUA51_FOUND OR LUA_FOUND)
    add_subdirectory(lua)
endif()