# MIT License
#
# Copyright (c) 2023-25 Advanced Micro Devices, Inc. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
#

# Test dependencies
#==================================================================================================
include(FetchContent)

set(ROCM_WARN_TOOLCHAIN_VAR OFF CACHE BOOL "")

# Find or download/install rocm-cmake project
#==================================================================================================
find_package(ROCmCMakeBuildTools 0.11.0 CONFIG QUIET PATHS "${ROCM_PATH}")
if((NOT ROCmCMakeBuildTools_FOUND) OR INSTALL_DEPENDENCIES)
    message(STATUS "ROCmCMakeBuildTools not found. Checking for ROCM (deprecated)")
    find_package(ROCM 0.7.3 CONFIG QUIET PATHS "${ROCM_PATH}") # deprecated fallback
    if((NOT ROCM_FOUND) OR INSTALL_DEPENDENCIES)
        message(STATUS "ROCM (deprecated) not found. Downloading and building ROCmCMakeBuildTools")
        set(PROJECT_EXTERN_DIR ${CMAKE_CURRENT_BINARY_DIR}/extern)
        set(rocm_cmake_tag "rocm-6.4.0" CACHE STRING "rocm-cmake tag to download")
        FetchContent_Declare(
            rocm-cmake
            GIT_REPOSITORY https://github.com/ROCm/rocm-cmake.git
            GIT_TAG ${rocm_cmake_tag}
            SOURCE_SUBDIR "DISABLE ADDING TO BUILD"
        )
        FetchContent_MakeAvailable(rocm-cmake)
        message(STATUS "rocm-cmake_SOURCE_DIR: ${rocm-cmake_SOURCE_DIR}")
        find_package(ROCmCMakeBuildTools CONFIG REQUIRED NO_DEFAULT_PATH PATHS "${rocm-cmake_SOURCE_DIR}")
        message(STATUS "Found ROCmCmakeBuildTools version: ${ROCmCMakeBuildTools_VERSION}")
    endif()
elseif(ROCmCMakeBuildTools_FOUND)
    message(STATUS "Found ROCmCmakeBuildTools version: ${ROCmCMakeBuildTools_VERSION}")
endif()


# Find available local ROCM targets
# NOTE: This will eventually be part of ROCm-CMake and should be removed at that time
#==================================================================================================
function(rocm_local_targets VARIABLE)
    set(${VARIABLE} "NOTFOUND" PARENT_SCOPE)
    find_program(_rocm_agent_enumerator rocm_agent_enumerator HINTS /opt/rocm/bin ENV ROCM_PATH)
    if(NOT _rocm_agent_enumerator STREQUAL "_rocm_agent_enumerator-NOTFOUND")
        execute_process(
            COMMAND "${_rocm_agent_enumerator}"
            RESULT_VARIABLE _found_agents
            OUTPUT_VARIABLE _rocm_agents
            ERROR_QUIET
        )
        if (_found_agents EQUAL 0)
            string(REPLACE "\n" ";" _rocm_agents "${_rocm_agents}")
            unset(result)
            foreach (agent IN LISTS _rocm_agents)
                if (NOT agent STREQUAL "gfx000")
                    list(APPEND result "${agent}")
                endif()
            endforeach()
            if(result)
                list(REMOVE_DUPLICATES result)
                set(${VARIABLE} "${result}" PARENT_SCOPE)
            endif()
        endif()
    endif()
endfunction()

include(ROCMSetupVersion)
include(ROCMCreatePackage)
include(ROCMInstallTargets)
include(ROCMPackageConfigHelpers)
include(ROCMInstallSymlinks)
include(ROCMCheckTargetIds)
include(ROCMClients)
include(ROCMHeaderWrapper)