cmake_minimum_required(VERSION 3.15)
project(libnextcloud VERSION 0.1.0 LANGUAGES CXX)

# C++17 required
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

# Options
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(BUILD_TESTING "Build tests" ON)
option(BUILD_EXAMPLES "Build examples" OFF)

# Library sources (currently empty, will be populated as we implement components)
set(NEXTCLOUD_SOURCES
    # src/webdav_client.cpp      # Will be added in future
    # src/auth.cpp               # Will be added in future
    # src/upload_manager.cpp     # Will be added in future
    # src/folder_manager.cpp     # Will be added in future
    # src/config.cpp             # Will be added in future
)

# Create library target
# For now, it's header-only (version.hpp and types.hpp)
# We'll add sources when we implement components
add_library(nextcloud INTERFACE)

# Include directories
target_include_directories(nextcloud
    INTERFACE
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)

# Require C++17 for consumers
target_compile_features(nextcloud INTERFACE cxx_std_17)

# Dependencies (will be uncommented as we add implementation)
# find_package(CURL REQUIRED)
# find_package(MbedTLS REQUIRED)
# find_package(tinyxml2 REQUIRED)

# Link libraries (commented out until we have actual implementation)
# target_link_libraries(nextcloud
#     PUBLIC
#         CURL::libcurl
#         MbedTLS::mbedtls
#         tinyxml2::tinyxml2
# )

# Compiler warnings
if(MSVC)
    target_compile_options(nextcloud INTERFACE /W4)
else()
    target_compile_options(nextcloud INTERFACE -Wall -Wextra -Wpedantic)
endif()

# Testing
if(BUILD_TESTING)
    enable_testing()
    add_subdirectory(tests)
endif()

# Examples
if(BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

# Install rules
install(TARGETS nextcloud
    EXPORT nextcloudTargets
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
    RUNTIME DESTINATION bin
    INCLUDES DESTINATION include
)

install(DIRECTORY include/
    DESTINATION include
    FILES_MATCHING PATTERN "*.hpp"
)

# Generate and install CMake config files
include(CMakePackageConfigHelpers)

write_basic_package_version_file(
    "${CMAKE_CURRENT_BINARY_DIR}/nextcloudConfigVersion.cmake"
    VERSION ${PROJECT_VERSION}
    COMPATIBILITY AnyNewerVersion
)

configure_package_config_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/nextcloudConfig.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/nextcloudConfig.cmake"
    INSTALL_DESTINATION lib/cmake/nextcloud
)

install(FILES
    "${CMAKE_CURRENT_BINARY_DIR}/nextcloudConfig.cmake"
    "${CMAKE_CURRENT_BINARY_DIR}/nextcloudConfigVersion.cmake"
    DESTINATION lib/cmake/nextcloud
)

install(EXPORT nextcloudTargets
    FILE nextcloudTargets.cmake
    NAMESPACE nextcloud::
    DESTINATION lib/cmake/nextcloud
)

# pkg-config file
configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/libnextcloud.pc.in"
    "${CMAKE_CURRENT_BINARY_DIR}/libnextcloud.pc"
    @ONLY
)

install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libnextcloud.pc"
    DESTINATION lib/pkgconfig
)

# Print configuration summary
message(STATUS "")
message(STATUS "libnextcloud Configuration Summary:")
message(STATUS "  Version:           ${PROJECT_VERSION}")
message(STATUS "  Build type:        ${CMAKE_BUILD_TYPE}")
message(STATUS "  C++ standard:      C++${CMAKE_CXX_STANDARD}")
message(STATUS "  Shared libraries:  ${BUILD_SHARED_LIBS}")
message(STATUS "  Build tests:       ${BUILD_TESTING}")
message(STATUS "  Build examples:    ${BUILD_EXAMPLES}")
message(STATUS "  Install prefix:    ${CMAKE_INSTALL_PREFIX}")
message(STATUS "")