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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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"""Utilities for thrust"""

import logging

from tvm_ffi import get_global_func


def maybe_warn(target, func_name):
    if (
        "thrust" in list(target.attrs.get("libs", []))
        and get_global_func(func_name, allow_missing=True) is None
    ):
        logging.warning("thrust is requested but TVM is not built with thrust.")


def can_use_thrust(target, func_name):
    maybe_warn(target, func_name)
    return (
        target.kind.name in ["cuda", "nvptx"]
        and "thrust" in list(target.attrs.get("libs", []))
        and get_global_func(func_name, allow_missing=True)
    )


def can_use_rocthrust(target, func_name):
    maybe_warn(target, func_name)
    return (
        target.kind.name == "rocm"
        and "thrust" in list(target.attrs.get("libs", []))
        and get_global_func(func_name, allow_missing=True)
    )
