cmake_minimum_required(VERSION 3.18)
set(NAME "leyngine")
project(${NAME} CXX)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Copying assets
file(COPY "${CMAKE_SOURCE_DIR}/assets" DESTINATION "${CMAKE_BINARY_DIR}")

# includes
include_directories(./includes)

# raylib
include(FetchContent)
FetchContent_Declare(
	raylib
	GIT_REPOSITORY https://github.com/raysan5/raylib.git
	GIT_TAG 5.5
	GIT_SHALLOW 1
)
FetchContent_GetProperties(raylib)
if (NOT raylib_POPULATED)
	set(FETCHCONTENT_QUIET NO)
	FetchContent_Populate(raylib)
	set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
	set(BUILD_GAMES    OFF CACHE BOOL "" FORCE)
	add_subdirectory(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR})
endif()


# nlohmann::json
FetchContent_Declare(
	json
	GIT_REPOSITORY https://github.com/nlohmann/json.git
	GIT_TAG v3.11.3
)
FetchContent_MakeAvailable(json)

include_directories(${imgui_SOURCE_DIR} ${rlImGui_SOURCE_DIR})

set(SRC_CXX_FILES	"./srcs/main.cpp"
									"./srcs/Model.cpp"
)

add_executable(${NAME} ${SRC_CXX_FILES})

target_link_libraries(${NAME} PUBLIC raylib nlohmann_json::nlohmann_json)

# Windows cross-compilation rule

if (NOT DEFINED CMAKE_CROSSCOMPILE_WINDOWS_HELPER_ADDED)
    set(CMAKE_CROSSCOMPILE_WINDOWS_HELPER_ADDED TRUE)

    set(WIN_TOOLCHAIN_FILE "${CMAKE_SOURCE_DIR}/toolchain-mingw-w64-x86_64.cmake" CACHE PATH "Toolchain for Win x86_64")

    add_custom_target(cmake-win
        COMMAND ${CMAKE_COMMAND} -E echo "Configuring Windows x86_64 build in: ${CMAKE_SOURCE_DIR}/build-win-x86_64"
        COMMAND ${CMAKE_COMMAND}
            -S ${CMAKE_SOURCE_DIR}
            -B ${CMAKE_SOURCE_DIR}/build-win-x86_64
            -G "Ninja"
            -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
            -DCMAKE_TOOLCHAIN_FILE=${WIN_TOOLCHAIN_FILE}
        COMMAND ${CMAKE_COMMAND} --build ${CMAKE_SOURCE_DIR}/build-win-x86_64 -- -v
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        COMMENT "Configure & build for Windows x86_64 (MinGW-w64)"
        VERBATIM
    )
endif()