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import os

import pytest

from tvm import rpc


def remote():
    required_env = ("TVM_TRACKER_HOST", "TVM_TRACKER_PORT", "RPC_DEVICE_KEY")
    missing = [name for name in required_env if name not in os.environ]
    if missing:
        pytest.skip(f"NNAPI remote environment unavailable: {', '.join(missing)} not set")
    rpc_tracker_host = os.environ["TVM_TRACKER_HOST"]
    rpc_tracker_port = int(os.environ["TVM_TRACKER_PORT"])
    rpc_device_key = os.environ["RPC_DEVICE_KEY"]
    tracker = rpc.connect_tracker(rpc_tracker_host, rpc_tracker_port)
    remote = tracker.request(rpc_device_key, priority=0, session_timeout=600)
    return remote, tracker
