cmake_minimum_required(VERSION 3.28)

project(voice-chat
        VERSION 0.1.0
        LANGUAGES C)

set(CMAKE_C_STANDARD 23)
set(CMAKE_C_STANDARD_REQUIRED True)

# Pull all submodules if haven't already
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
    option(GIT_SUBMODULE "Check submodules during build" ON)
    if(GIT_SUBMODULE)
        message(STATUS "Submodule update")
        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                        RESULT_VARIABLE GIT_SUBMOD_RESULT)
        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
            message(FATAL_ERROR "git submodule update --init --recursive failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
        endif()
    endif()
endif()

if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/libevent/CMakeLists.txt")
    message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
endif()

if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/openssl/Configure")
    message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
endif()

set(EXTERN "${PROJECT_SOURCE_DIR}/extern")

add_executable(${PROJECT_NAME} 
    src/main.c
    "${EXTERN}/log.c/src/log.c"
)

target_include_directories(${PROJECT_NAME} PRIVATE
    "${PROJECT_SOURCE_DIR}/src"
)

set(BUILD_DYNAMIC_LIBS ON  CACHE BOOL "" FORCE)
set(BUILD_STATIC_LIBS  ON  CACHE BOOL "" FORCE)

# miniaudio
target_include_directories(${PROJECT_NAME} PRIVATE "${CMAKE_SOURCE_DIR}/extern/miniaudio")

# math
target_link_libraries(${PROJECT_NAME} PRIVATE m)

# openssl
# TODO: run ./extern/openssl/Configure and make
target_link_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/openssl")
target_link_libraries(${PROJECT_NAME} PRIVATE ssl crypto)
target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/openssl/include")

# libevent
add_subdirectory("${EXTERN}/libevent")
target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/libevent/include")

# log.c
target_include_directories(${PROJECT_NAME} PRIVATE "${EXTERN}/log.c/src")