#cmake version
cmake_minimum_required(VERSION 3.31)

#project name
project(PlanetExplorerGameDemo)

#cpp settings
find_program(CLANG_C NAMES clang)
find_program(CLANG_CXX NAMES clang++)

if(CLANG_C AND CLANG_CXX)
    message(STATUS "foung Clang, using as Compiler")
    set(CMAKE_C_COMPILER ${CLANG_C} CACHE STRING "C Compiler" FORCE)
    set(CMAKE_CXX_COMPILER ${CLANG_CXX} CACHE STRING "C++ Compiler" FORCE)
else()
    message(STATUS "Clang not found, using Standard-Compiler")
endif()
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)

#project output settings
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG "${PROJECT_SOURCE_DIR}/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE "${PROJECT_SOURCE_DIR}/bin")

#engine projects
add_subdirectory(TSE/TSE_Base)
add_subdirectory(TSE/TSE_Math)
add_subdirectory(TSE/TSE_Core)
add_subdirectory(TSE/TSE_Editor)
add_subdirectory(TSE/TSE_GlfwImpl)
add_subdirectory(TSE/TSE_GlfwOpenGlImpl)
find_package(Lua 5.4 REQUIRED)

#source files
file(GLOB CPP_SOURCE
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*.cpp"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*.cpp"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*/*.cpp"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*/*/*.cpp"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*.c"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*.c"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*/*.c"
    "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src/*/*/*/*.c"
)

#includes
include_directories(${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/src)
include_directories(${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/include)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Math/src)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Core/src)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Base/src)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Base/include)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_Editor/src)

#includes Glfw
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwImpl/src)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwImpl/include)

include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwOpenGlImpl/src)
include_directories(${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwOpenGlImpl/include)

#project def
add_executable(PlanetExplorerGameDemo ${CPP_SOURCE})

target_include_directories(PlanetExplorerGameDemo PRIVATE ${LUA_INCLUDE_DIR})

if (WIN32)
    if(DEBUG)
        set(DEBUGSPEC 
        "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/FreeImageLib.d.lib"
        "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/box2dd.lib"
        )
    else()
        set(DEBUGSPEC 
        "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/FreeImageLib.r.lib"
        "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/box2d.lib"
        )
    endif()
    set(LIB_SOURCE
    "${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwImpl/include/glfw3.lib"
    # "${PROJECT_SOURCE_DIR}/../TSE.Core/lib/freetype.lib"
    "${DEBUGSPEC}"
    "${LUA_LIBRARIES}"
    )
else()
    set(LIB_SOURCE
    # "${PROJECT_SOURCE_DIR}/../TSE.Core/lib/libfreetype.a"
    "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/libfreeimage.a"
    "${PROJECT_SOURCE_DIR}/TSE/TSE_GlfwImpl/include/libglfw3.a"
    "${PROJECT_SOURCE_DIR}/TSE/TSE_Core/include/libbox2d.a"
    "${LUA_LIBRARIES}"
    )
endif()

if (WIN32)
    target_link_libraries(PlanetExplorerGameDemo PUBLIC
    TSE_Base
    TSE_Math
    TSE_Core
    TSE_GlfwImpl
    TSE_GlfwOpenGlImpl
    TSE_Editor
    ${LIB_SOURCE})
else()
    target_link_libraries(PlanetExplorerGameDemo PUBLIC
    TSE_Editor
    TSE_GlfwOpenGlImpl
    TSE_GlfwImpl
    TSE_Core
    TSE_Math
    TSE_Base
    ${LIB_SOURCE})
endif()

#flags
target_compile_options(PlanetExplorerGameDemo PRIVATE -march=native)

set(TARGET_DIR "${PROJECT_SOURCE_DIR}/bin")

add_custom_command(
    TARGET PlanetExplorerGameDemo
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_directory
            "${PROJECT_SOURCE_DIR}/PlanetExplorerGameDemo/Resources"
            "${TARGET_DIR}"
    COMMENT "📂 Kopiere Resources/ nach bin/ nach Buildabschluss\n"
)