cmake_minimum_required(VERSION 3.15)

# Project definition
project(PokemonBattleSimulator
    VERSION 0.1.0
    DESCRIPTION "High-performance Pokemon battle simulator for Generation 1"
    LANGUAGES CXX
)

# Set C++ standard
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

# Add custom CMake modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")

# Build options
option(BUILD_TESTS "Build unit tests" ON)
option(BUILD_BENCHMARKS "Build performance benchmarks" OFF)
option(BUILD_EXAMPLES "Build example programs" ON)
option(ENABLE_SANITIZERS "Enable runtime sanitizers" OFF)
option(ENABLE_STATIC_ANALYSIS "Run static analysis tools" OFF)
option(ENABLE_COVERAGE "Generate code coverage reports" OFF)

# Include custom CMake modules
include(CompilerWarnings)
include(StaticAnalysis)

# Set default build type
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE Release)
endif()

# Configure compiler warnings
set_project_warnings()

# Enable static analysis if requested
if(ENABLE_STATIC_ANALYSIS)
    enable_static_analysis()
endif()

# Find dependencies
find_package(Threads REQUIRED)

# Configure RapidJSON (header-only library)
set(RAPIDJSON_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/thirdParty/rapidjson")
if(NOT EXISTS "${RAPIDJSON_INCLUDE_DIR}/rapidjson.h")
    message(FATAL_ERROR "RapidJSON not found at ${RAPIDJSON_INCLUDE_DIR}. Please ensure rapidjson is properly installed in the thirdParty directory.")
endif()

# Add subdirectories
add_subdirectory(src)

# Conditionally build tests
if(BUILD_TESTS)
    enable_testing()
    add_subdirectory(tests)
endif()

# Conditionally build benchmarks
if(BUILD_BENCHMARKS)
    add_subdirectory(benchmarks)
endif()

# Conditionally build examples
if(BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

# Installation configuration
include(GNUInstallDirs)

# Install headers
install(DIRECTORY include/
    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
    FILES_MATCHING PATTERN "*.h" PATTERN "*.hpp"
)

# Export targets
install(EXPORT PokEngTargets
    FILE PokEngTargets.cmake
    NAMESPACE PokEng::
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/PokEng
)

# Generate and install config files
include(CMakePackageConfigHelpers)

write_basic_package_version_file(
    PokEngConfigVersion.cmake
    VERSION ${PROJECT_VERSION}
    COMPATIBILITY SameMajorVersion
)

configure_package_config_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/PokEngConfig.cmake.in
    ${CMAKE_CURRENT_BINARY_DIR}/PokEngConfig.cmake
    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/PokEng
)

install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/PokEngConfig.cmake
    ${CMAKE_CURRENT_BINARY_DIR}/PokEngConfigVersion.cmake
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/PokEng
)

# CPack configuration for packaging
include(cmake/packaging/DEB.cmake)
include(cmake/packaging/RPM.cmake)

set(CPACK_PACKAGE_NAME "pokemon-battle-simulator")
set(CPACK_PACKAGE_VENDOR "Pokemon Sim Team")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "High-performance Pokemon battle simulator")
set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")

include(CPack)