cmake_minimum_required(VERSION 3.10)
project(se050_wireguard C)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)

# Include directories
include_directories(
    ${CMAKE_SOURCE_DIR}/include
)

# Source files
set(SOURCES
    src/se050_i2c_hal.c
    src/se050_session.c
    src/se050_keystore.c
    src/se050_rng.c
    src/se050_x25519.c
    src/se050_x25519_sw.c
    src/se050_chacha20_poly1305.c
    src/se050_blake2s.c
    src/se050_hmac_blake2s.c
    src/se050_hkdf_blake2s.c
    src/se050_tai64n.c
    src/se050_scp03.c
    src/se050_scp03_keys.c
    src/se050_wireguard_proto.c
    src/se050_tai64n_hw.c
    src/se050_wireguard.c
    src/se050_wireguard_se050_rng.c
)

# Create library
add_library(se050_wireguard STATIC ${SOURCES})

# Linux-specific flags
if(UNIX AND NOT APPLE)
    # OpenSSL for SCP03 encryption
    find_package(OpenSSL REQUIRED)
    target_link_libraries(se050_wireguard OpenSSL::SSL OpenSSL::Crypto)
endif()

# Enable testing
option(BUILD_TESTS "Build test suite" ON)
if(BUILD_TESTS)
    enable_testing()
    
    # SCP03 tests
    add_executable(test_scp03 tests/test_scp03.c)
    target_link_libraries(test_scp03 se050_wireguard)
    
    if(UNIX AND NOT APPLE)
        target_link_libraries(test_scp03 OpenSSL::SSL OpenSSL::Crypto)
    endif()
    
    add_test(NAME SCP03Tests COMMAND test_scp03)
    
    # SCP03 Hardware tests with AN12436 default keys
    add_executable(test_scp03_hardware tests/test_scp03_hardware.c)
    target_link_libraries(test_scp03_hardware se050_wireguard)
    
    if(UNIX AND NOT APPLE)
        target_link_libraries(test_scp03_hardware OpenSSL::SSL OpenSSL::Crypto)
    endif()
    
    add_test(NAME SCP03HardwareTests COMMAND test_scp03_hardware)
endif()

# Install headers
install(FILES include/se050_wireguard.h
        DESTINATION include)

# Install library
install(TARGETS se050_wireguard
        ARCHIVE DESTINATION lib)