cmake_minimum_required(VERSION 3.13)
project(pkmnLib)

# Enable all warnings, and make them error when occurring.
add_compile_options(-Wall -Wextra -Werror)
# We like new stuff, so set the c++ standard to c++20.
set(CMAKE_CXX_STANDARD 20)

option(WINDOWS "Whether the build target is Windows or not." OFF)
option(SHARED "Whether we should build a shared library, instead of a static one." OFF)
option(TESTS "Whether the test executable should be build as well." OFF)
option(STATICC "Whether gcc and stdc++ should be linked statically to the library." OFF)
set(SCRIPT_PROVIDER "angelscript" CACHE STRING "Which script provider to use.")

if (WINDOWS)
    SET(CMAKE_SYSTEM_NAME Windows)
    ADD_DEFINITIONS(-D WINDOWS=1)
endif (WINDOWS)

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    # The angelscript libraries break these warnings extensively. Turn them off.
    add_compile_options(-Wno-error=cast-function-type -Wno-cast-function-type)
    add_compile_options(-Wno-error=type-limits -Wno-type-limits)
endif ()

message(STATUS "Using:
\t C ${CMAKE_C_COMPILER}
\t C++ ${CMAKE_CXX_COMPILER}
\t CXX ABI ${CMAKE_CXX_COMPILER_ABI}
\t C++ Version ${CMAKE_CXX_STANDARD}")

include(CmakeConanSetup.cmake)
SetupConan()

message(STATUS "Using Conan Libs:")
foreach (_conanLib ${CONAN_LIBS})
    message(STATUS "\t ${_conanLib}")
endforeach ()

# Set whether we want a static or shared library.
set(LIBTYPE STATIC)
if (SHARED)
    set(LIBTYPE SHARED)
endif (SHARED)

SET(FILE_SOURCE
        "src/Battling/*.cpp"
        "src/Battling/*.hpp"
        "src/Library/*.cpp"
        "src/Library/*.hpp"
        "CInterface/Core.*"
        "CInterface/Library/*.cpp"
        "CInterface/Library/*.hpp"
        "CInterface/Battling/*.cpp"
        "CInterface/Battling/*.hpp"
        )
if (SCRIPT_PROVIDER STREQUAL "angelscript")
    SET(FILE_SOURCE ${FILE_SOURCE}
            "src/ScriptResolving/AngelScript/*.cpp"
            "src/ScriptResolving/AngelScript/*.hpp"
            "extern/angelscript_addons/*.cpp"
            "extern/angelscript_addons/*.h"
            "CInterface/AngelScript/*.cpp"
            "CInterface/AngelScript/*.hpp"
            )
    ADD_DEFINITIONS(-D AS_USE_ACCESSORS=1)
endif ()

file(GLOB_RECURSE CORE_SRC_FILES ${FILE_SOURCE})
add_library(pkmnLib ${LIBTYPE} ${CORE_SRC_FILES})

SET(_LINKS CreatureLib Arbutils)
SET(_TESTLINKS pkmnLib CreatureLib Arbutils)

if (SCRIPT_PROVIDER STREQUAL "angelscript")
    message(STATUS "Using Angelscript as script provider.")
    ADD_DEFINITIONS(-D ANGELSCRIPT=1)
    SET(_LINKS angelscript ${_LINKS})
    SET(_TESTLINKS angelscript ${_TESTLINKS})
endif ()

if (WINDOWS)
    message(STATUS "Using Windows build.")
    set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -L ${CMAKE_BINARY_DIR}/bin")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64 -Wa,-mbig-obj -Wl,-allow-multiple-definition")
endif (WINDOWS)

if (STATICC)
    message(STATUS "Linking C library statically")
    SET(_LINKS ${_LINKS} -static-libgcc -static-libstdc++)
endif()

target_link_libraries(pkmnLib PUBLIC ${_LINKS})

if (TESTS)
    # Create Test executable
    file(GLOB_RECURSE TEST_FILES "tests/*.cpp" "tests/*.hpp")
    add_executable(pkmnLibTests ${TEST_FILES} extern/catch.hpp)
    message(STATUS "${_TESTLINKS}")
    target_link_libraries(pkmnLibTests PUBLIC ${_TESTLINKS})

    # Add a definition for the test library
    target_compile_definitions(pkmnLibTests PRIVATE TESTS_BUILD)
endif ()