cmake_minimum_required(VERSION 3.30.0)
project(SVMClassifier VERSION 0.1.0 LANGUAGES C CXX)

project(SVMClassifier
  VERSION 1.0.0
  DESCRIPTION "SVM Classifer using libsvm and liblinear"
  HOMEPAGE_URL "https://gitea.rmontanana.es/rmontanana/SVMClassifier"
  LANGUAGES CXX
)

# Global CMake variables
# ----------------------
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED            ON)
set(CMAKE_CXX_EXTENSIONS                  OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS          ON)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TORCH_CXX_FLAGS}")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast")
set(CMAKE_CXX_FLAGS_DEBUG " ${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage -O0 -g")

# Testing is disabled by default
option(BUILD_TESTING "Build tests" OFF)

if (CMAKE_BUILD_TYPE STREQUAL "Debug")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic -O0")
else()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic -O2")
endif()

find_package(Torch CONFIG REQUIRED)
find_package(nlohmann_json CONFIG REQUIRED)

# if testing is enabled then load catch2
if (BUILD_TESTING)
    enable_testing()
    include(CTest)
    find_package(Catch2 REQUIRED)
    target_link_libraries(SVMClassifier PRIVATE Catch2::Catch2)
    add_executable(SVMClassifierTests tests.cpp)
    target_link_libraries(SVMClassifierTests PRIVATE Catch2::Catch2)
    add_test(NAME SVMClassifierTests COMMAND SVMClassifierTests)
endif()

add_executable(SVMClassifier 
    src/SVMDataConverter.cpp
    src/SVMClassifier.cpp
    libsvm-3.36/svm.cpp
    main.cpp)

target_include_directories(SVMClassifier PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/src
    ${TORCH_INCLUDE_DIRS}
    liblinear-2.49/
    libsvm-3.36/
)
find_library(LIBLINEAR_LIBRARY NAMES liblinear.so.6 PATHS /home/rmontanana/Code/SVMClassifier/liblinear-2.49)
link_directories(/home/rmontanana/Code/SVMClassifier/liblinear-2.49)
target_link_libraries(SVMClassifier PRIVATE
    ${TORCH_LIBRARIES}
    ${LIBLINEAR_LIBRARY}
    nlohmann_json::nlohmann_json
)