cmake_minimum_required(VERSION 3.13 FATAL_ERROR)

project(<% name %> VERSION "1.0.0" LANGUAGES CXX)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Options >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #
option(BUILD_SHARED_LIBS "Build shared libraries" ON)
option(BUILD_UNIT_TESTS "Build unit tests" OFF)
option(ENABLE_UNIT_TESTS "Enable unit tests" OFF)
option(ENABLE_RTTI "Enable Run-Time Type Information" ON)
option(MINIMIZE_SIZE "Minimize binary size (may affect performance)" OFF)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< C++ Standard >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #
if(NOT CMAKE_CXX_STANDARD)
    set(CMAKE_CXX_STANDARD 11)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Platform Setup >>>>>>>>>>>>>>>>>>>>>>>>>>>> #
if(MSVC)
  # Standardize MSVC runtime (MD/MDd for shared, MT/MTd for static)
  add_definitions(-D_CRT_SECURE_NO_WARNINGS -DNOMINMAX)
  add_compile_options(/W4 /WX /Zc:__cplusplus /utf-8)
  
  # Runtime library selection
  if(BUILD_SHARED_LIBS)
    # Use dynamic runtime for shared libraries
    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
  else()
    # Use static runtime for static libraries
    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
  endif()
else()
  # Base warning flags (apply to all targets including dependencies)
  add_compile_options(-Wall -Wextra -Wpedantic)
  # Enable additional deprecation warnings for better C++ compliance
  add_compile_options(-Wdeprecated -Wdeprecated-copy)
  
  # RTTI control for GCC/Clang
  if(NOT ENABLE_RTTI)
    add_compile_options(-fno-rtti)
  endif()
  
  # Size optimization
  if(MINIMIZE_SIZE)
    add_compile_options(-Os -ffunction-sections -fdata-sections)
    if(NOT APPLE)
      set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
    endif()
  endif()
endif()

# For static builds, prefer static OpenSSL but use dynamic curl
# Note: Static libcurl on Ubuntu has too many transitive dependencies (nghttp2, ssh, psl, 
# gssapi, rtmp, idn2, unistring, etc.) that make full static linking impractical.
# If you need fully static builds, compile a minimal libcurl yourself or use vcpkg.
if(NOT BUILD_SHARED_LIBS)
  set(OPENSSL_USE_STATIC_LIBS ON)
  # Don't set CURL_STATICLIB or CMAKE_FIND_LIBRARY_SUFFIXES - use dynamic libcurl
endif()

# Position Independent Code - Required for static libraries that may be linked into shared libraries
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Dependencies >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #
find_package(OpenSSL REQUIRED)
find_package(CURL REQUIRED)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Target Setup >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #
set(SOURCE_FILES
    <% source %>
)

# Create library target
add_library(${PROJECT_NAME} ${SOURCE_FILES})

# Add external dependencies (darabonba-core, credentials)
add_subdirectory(external)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Include & Link >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #

target_include_directories(${PROJECT_NAME}
    PUBLIC
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)

target_link_libraries(${PROJECT_NAME}
    PUBLIC
        CURL::libcurl
        OpenSSL::SSL
        OpenSSL::Crypto
        darabonba_core
<% LIBS %>
)

# Windows compatibility
if(WIN32)
  target_link_libraries(${PROJECT_NAME} PUBLIC Crypt32 Rpcrt4 Ws2_32)
  set_target_properties(${PROJECT_NAME} PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
  
  # Suppress LNK4197 warning: vtable exported multiple times
  # This is safe when building DLLs with multiple translation units
  if(MSVC AND BUILD_SHARED_LIBS)
    target_link_options(${PROJECT_NAME} PRIVATE /ignore:4197)
  endif()
endif()

# Set target properties
set_target_properties(${PROJECT_NAME} PROPERTIES
    SOVERSION ${PROJECT_VERSION_MAJOR}
    VERSION ${PROJECT_VERSION}
    OUTPUT_NAME "${PROJECT_NAME}"
    DEBUG_POSTFIX "_d"
    MACOSX_RPATH ON
)

# Strict warning treatment for our own code only
if(NOT MSVC)
  target_compile_options(${PROJECT_NAME} PRIVATE -Werror)
else()
  target_compile_options(${PROJECT_NAME} PRIVATE /WX)
endif()

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Installation >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)

set(INSTALL_CMAKEDIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})

# Install library and headers
install(TARGETS ${PROJECT_NAME}
    EXPORT ${PROJECT_NAME}Targets
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)

install(DIRECTORY include/
    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)

# Export targets
install(EXPORT ${PROJECT_NAME}Targets
    NAMESPACE ${PROJECT_NAME}::
    DESTINATION ${INSTALL_CMAKEDIR}
)

# Generate version file
write_basic_package_version_file(
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
    VERSION ${PROJECT_VERSION}
    COMPATIBILITY SameMajorVersion
)

# Configure Config file from template
configure_package_config_file(
    "${PROJECT_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
    INSTALL_DESTINATION ${INSTALL_CMAKEDIR}
)

# Install config files
install(FILES
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
    DESTINATION ${INSTALL_CMAKEDIR}
)