# Copyright (c) 2026 Dominic Masters
#
# This software is released under the MIT License.
# https://opensource.org/licenses/MIT

# Handler that copies an asset into the built assets directory as is. Every
# handler has the signature (SOURCE RELATIVE OUT_VAR) and must set OUT_VAR, in
# the caller's scope, to the file it produces.
function(dusk_asset_copy ASSET_SOURCE ASSET_RELATIVE OUT_VAR)
  set(ASSET_OUTPUT "${DUSK_BUILT_ASSETS_DIR}/${ASSET_RELATIVE}")

  add_custom_command(
    OUTPUT "${ASSET_OUTPUT}"
    COMMAND ${CMAKE_COMMAND} -E copy_if_different
      "${ASSET_SOURCE}" "${ASSET_OUTPUT}"
    DEPENDS "${ASSET_SOURCE}"
    COMMENT "Copying asset ${ASSET_RELATIVE}"
    VERBATIM
  )

  set(${OUT_VAR} "${ASSET_OUTPUT}" PARENT_SCOPE)
endfunction()