cmake_minimum_required(VERSION 3.20)

# -----------------------------
# Force Clang before project() is called
# -----------------------------
if(NOT DEFINED CMAKE_C_COMPILER)
    set(CMAKE_C_COMPILER clang CACHE STRING "" FORCE)
endif()
if(NOT DEFINED CMAKE_CXX_COMPILER)
    set(CMAKE_CXX_COMPILER clang++ CACHE STRING "" FORCE)
endif()

# -----------------------------
# Project setup
# -----------------------------
project(mc-watchdog LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_BUILD_TYPE Release)

# -----------------------------
# Dependencies (local submodules / cloned repos)
# -----------------------------
add_subdirectory(external/spdlog)

add_subdirectory(external/clickhouse-cpp)
add_subdirectory(external/tomlplusplus)
# -----------------------------
# Executable
# -----------------------------
add_executable(${PROJECT_NAME} src/main.cpp)

# -----------------------------
# Auto-discover include dirs under src/
# -----------------------------
file(GLOB_RECURSE SRC_SUBDIRS LIST_DIRECTORIES true "${CMAKE_CURRENT_SOURCE_DIR}/src/*")
set(SRC_INCLUDES "")
foreach(dir ${SRC_SUBDIRS})
    if(IS_DIRECTORY ${dir})
        list(APPEND SRC_INCLUDES ${dir})
    endif()
endforeach()

# -----------------------------
# Auto-discover all .cpp files except main.cpp
# -----------------------------
file(GLOB_RECURSE ALL_CPP "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp")
list(REMOVE_ITEM ALL_CPP "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp")

# -----------------------------
# Apply sources and includes
# -----------------------------
target_sources(${PROJECT_NAME} PRIVATE ${ALL_CPP})
target_include_directories(${PROJECT_NAME} PRIVATE ${SRC_INCLUDES})

# -----------------------------
# Link libraries
# -----------------------------
target_link_libraries(${PROJECT_NAME} PRIVATE
    spdlog::spdlog
    clickhouse-cpp-lib
    tomlplusplus::tomlplusplus
)

# -----------------------------
# Compiler warnings (Clang/GCC)
# -----------------------------
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
    add_compile_options(
        -Wall -Wextra -Wpedantic
        -Wconversion -Wshadow
        -Wnull-dereference
        -Wdouble-promotion
    )
endif()