cmake_minimum_required(VERSION 3.10)
project(orbital_simulator)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Enable testing
enable_testing()
include(CTest)

# Find required packages
find_package(Boost REQUIRED COMPONENTS program_options)
find_package(nlohmann_json REQUIRED)
find_package(GTest REQUIRED)

# Add source files
set(SOURCES
    src/main.cpp
    src/body.cpp
    src/calc.cpp
    src/simulator.cpp
)

# Add source files for tests (excluding main.cpp)
set(TEST_SOURCES
    src/body.cpp
    src/calc.cpp
    src/simulator.cpp
)

# Add header files
set(HEADERS
    src/body.hpp
    src/calc.hpp
    src/simulator.hpp
    src/units.hpp
)

# Create main executable
add_executable(orbital_simulator ${SOURCES} ${HEADERS})

# Create test executable
add_executable(orbital_simulator_tests
    tests/body_test.cpp
    tests/calc_test.cpp
    tests/simulator_test.cpp
    ${TEST_SOURCES}  # Use test sources instead of all sources
)

# Link libraries for main executable
target_link_libraries(orbital_simulator
    PRIVATE
    Boost::program_options
    nlohmann_json::nlohmann_json
)

# Link libraries for test executable
target_link_libraries(orbital_simulator_tests
    PRIVATE
    GTest::GTest
    GTest::Main
)

# Include directories
target_include_directories(orbital_simulator
    PRIVATE
    ${CMAKE_SOURCE_DIR}/src
)

target_include_directories(orbital_simulator_tests
    PRIVATE
    ${CMAKE_SOURCE_DIR}/src
    ${CMAKE_SOURCE_DIR}/tests
)

# Add tests to CTest
add_test(NAME orbital_simulator_tests COMMAND orbital_simulator_tests)

# Optional: Enable ncurses for terminal plotting
option(ENABLE_NCURSES "Enable terminal plotting with ncurses" OFF)
if(ENABLE_NCURSES)
    find_package(Curses REQUIRED)
    target_compile_definitions(orbital_simulator PRIVATE NCURSES_ENABLED)
    target_link_libraries(orbital_simulator PRIVATE ${CURSES_LIBRARIES})
endif()