# ESP-IDF CMake component for i2cdev library
if(${IDF_VERSION_MAJOR} STREQUAL 5 AND ${IDF_VERSION_MINOR} LESS 3)
    # Use driver component as esp_driver_gpio is not available before 5.3
    set(req driver freertos log esp_timer)
else()
    set(req esp_driver_gpio esp_driver_i2c freertos esp_idf_lib_helpers)
endif()

# ESP-IDF version detection for automatic driver selection
# Check for manual override via Kconfig
if(CONFIG_I2CDEV_USE_LEGACY_DRIVER)
    set(USE_LEGACY_DRIVER TRUE)
    message(STATUS "i2cdev: Manual override - using legacy driver (CONFIG_I2CDEV_USE_LEGACY_DRIVER=y)")
elseif(NOT DEFINED IDF_VERSION_MAJOR)
    # In case older ESP-IDF versions that don't define IDF_VERSION_MAJOR
    set(USE_LEGACY_DRIVER TRUE)
    message(STATUS "i2cdev: IDF_VERSION_MAJOR not defined, using legacy driver")
elseif(IDF_VERSION_MAJOR LESS 5)
    set(USE_LEGACY_DRIVER TRUE)
    message(STATUS "i2cdev: ESP-IDF v${IDF_VERSION_MAJOR}.x detected, using legacy driver")
elseif(IDF_VERSION_MAJOR EQUAL 5 AND IDF_VERSION_MINOR LESS 3)
    set(USE_LEGACY_DRIVER TRUE)
    message(STATUS "i2cdev: ESP-IDF v${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR} detected, using legacy driver")
else()
    set(USE_LEGACY_DRIVER FALSE)
    message(STATUS "i2cdev: ESP-IDF v${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR} detected, using new i2c_master driver")
endif()

# Conditionally set the source file based on version detection or Kconfig override
if(USE_LEGACY_DRIVER)
    set(SRCS "i2cdev_legacy.c")
    message(STATUS "i2cdev: Compiling with legacy I2C driver (i2cdev_legacy.c)")
else()
    set(SRCS "i2cdev.c")
    message(STATUS "i2cdev: Compiling with new I2C master driver (i2cdev.c)")
endif()

# Register the component
idf_component_register(SRCS ${SRCS}
                       INCLUDE_DIRS "."
                       REQUIRES ${req})


# include common cmake file for components
set(ESP_IDF_LIB_CMAKE ${CMAKE_CURRENT_LIST_DIR}/common/cmake/esp-idf-lib.cmake)
if(EXISTS ${ESP_IDF_LIB_CMAKE})
    include(${ESP_IDF_LIB_CMAKE})
else()
    message(WARNING "${ESP_IDF_LIB_CMAKE} not found")
endif()