cmake_minimum_required(VERSION 3.13)

# Make warnings trigger errors.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror")

project(CreatureLib)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if (NOT EXISTS ${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
    message(WARNING "The file conanbuildinfo.cmake doesn't exist, running conan install.")
    string(REPLACE "." ";" VERSION_LIST "${CMAKE_C_COMPILER_VERSION}")
    list(GET VERSION_LIST 0 VERSION)
    list(GET VERSION_LIST 1 MINOR)
    if (NOT MINOR MATCHES 0)
        SET(VERSION ${VERSION}.${MINOR})
    endif ()
    if (NOT WINDOWS)
        execute_process(COMMAND conan install ${CMAKE_SOURCE_DIR} --install-folder=${CMAKE_BINARY_DIR} --build missing
                -s compiler=clang -s compiler.libcxx=libstdc++11 -s compiler.version=${VERSION})
    else ()
        execute_process(COMMAND conan install ${CMAKE_SOURCE_DIR} --install-folder=${CMAKE_BINARY_DIR} --build missing
                -s compiler=gcc -s compiler.libcxx=libstdc++11 -s compiler.version=${VERSION} -s os=Windows)
    endif ()
endif ()
include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
conan_basic_setup()

if (WINDOWS)
    ADD_DEFINITIONS(-D WINDOWS=1)
endif (WINDOWS)

# Create Core library with files in src/Core
file(GLOB_RECURSE CORE_SRC_FILES "src/Core/*.cpp" "src/Core/*.hpp")
add_library(CreatureLibCore SHARED ${CORE_SRC_FILES})
set_target_properties(CreatureLibCore PROPERTIES LINKER_LANGUAGE CXX)

# Create main Library library with files in src/Library
file(GLOB_RECURSE LIBRARY_SRC_FILES "src/Library/*.cpp" "src/Library/*.hpp")
add_library(CreatureLibLibrary SHARED ${LIBRARY_SRC_FILES})

# Create Battling library with files in src/Battling
file(GLOB_RECURSE BATTLING_SRC_FILES "src/Battling/*.cpp" "src/Battling/*.hpp")
add_library(CreatureLibBattling SHARED ${BATTLING_SRC_FILES})

if (NOT DEFINED CONAN_EXPORTED)
    # Create Test executable
    file(GLOB_RECURSE TEST_FILES "tests/*.cpp" "tests/*.hpp")
    add_executable(CreatureLibTests ${TEST_FILES} extern/catch.hpp)
endif ()

# Link the core library to the individual other libraries
target_link_libraries(CreatureLibLibrary CreatureLibCore)
target_link_libraries(CreatureLibBattling CreatureLibCore)

# Link the library data to the Battling library
target_link_libraries(CreatureLibBattling CreatureLibLibrary)

target_link_libraries(CreatureLibCore Arbutils)
target_link_libraries(CreatureLibLibrary Arbutils)
target_link_libraries(CreatureLibBattling Arbutils)


if (NOT DEFINED CONAN_EXPORTED)
    target_link_libraries(CreatureLibTests CreatureLibLibrary)
    target_link_libraries(CreatureLibTests CreatureLibBattling)
endif ()

if (WINDOWS)
    MESSAGE(WARNING, "Using Windows Build.")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64 -Wa,-mbig-obj -Wl,-allow-multiple-definition")
    # Statically link libraries we need in Windows.
    target_link_libraries(CreatureLibCore -static -static-libgcc -static-libstdc++)
    target_link_libraries(CreatureLibLibrary -static -static-libgcc -static-libstdc++)
    target_link_libraries(CreatureLibBattling -static -static-libgcc -static-libstdc++)
    if (NOT DEFINED CONAN_EXPORTED)
        target_link_libraries(CreatureLibTests -static -static-libgcc -static-libstdc++)
    endif ()
endif (WINDOWS)

if (NOT DEFINED CONAN_EXPORTED)
    MESSAGE(WARNING, "Called from Conan. Not building test build.")
    # Add a definition for the test library
    target_compile_definitions(CreatureLibTests PRIVATE TESTS_BUILD)
endif ()