cmake_minimum_required(VERSION 3.10)
project(MILSTD110C)

# Set C++17 standard
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Include directories
include_directories(include)
include_directories(include/encoder)
include_directories(include/modulation)
include_directories(include/utils)

# Add subdirectories for organization
enable_testing()
add_subdirectory(tests)

# Set source files
set(SOURCES main.cpp)

# Find required packages
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
find_package(SndFile REQUIRED)
find_package(FFTW3 REQUIRED)
find_package(fmt REQUIRED)
find_package(Gnuradio REQUIRED COMPONENTS
    analog
    blocks
    channels
    filter
    fft
    runtime
)

if(NOT Gnuradio_FOUND)
    message(FATAL_ERROR "GNU Radio not found!")
endif()

# Include GNU Radio directories
include_directories(${Gnuradio_INCLUDE_DIRS})
link_directories(${Gnuradio_LIBRARY_DIRS})

# Add executable
add_executable(MILSTD110C ${SOURCES})

# Link executable with required libraries
target_link_libraries(MILSTD110C
    SndFile::sndfile
    FFTW3::fftw3
    gnuradio::gnuradio-runtime
    gnuradio::gnuradio-analog
    gnuradio::gnuradio-blocks
    gnuradio::gnuradio-filter
    gnuradio::gnuradio-fft
    gnuradio::gnuradio-channels
    fmt::fmt
)

# Debug and Release Build Types
set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "" FORCE)

# Add options for a Debug build
if(CMAKE_BUILD_TYPE MATCHES Debug)
    message(STATUS "Building with Debug flags")
    target_compile_definitions(MILSTD110C PRIVATE DEBUG)
    target_compile_options(MILSTD110C PRIVATE -g -O0) # Add debugging symbols, no optimization
endif()

# Add options for a Release build
if(CMAKE_BUILD_TYPE MATCHES Release)
    message(STATUS "Building with Release flags")
    target_compile_options(MILSTD110C PRIVATE -O3) # Optimize for performance
endif()