# Copyright (C) 2018-2023 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
#

import openvino as ov
import openvino.properties as props
import openvino.properties.hint as hints
import openvino.properties.device as device

from utils import get_model


def main():
    # [get_available_devices]
    core = ov.Core()
    available_devices = core.available_devices
    # [get_available_devices]

    # [hetero_priorities]
    device_priorites = core.get_property("HETERO", device.priorities())
    # [hetero_priorities]

    # [cpu_device_name]
    cpu_device_name = core.get_property("CPU", device.full_name())
    # [cpu_device_name]

    model = get_model()
    # [compile_model_with_property]
    config = {hints.performance_mode(): hints.PerformanceMode.THROUGHPUT,
            hints.inference_precision(): ov.Type.f32}
    compiled_model = core.compile_model(model, "CPU", config)
    # [compile_model_with_property]

    # [optimal_number_of_infer_requests]
    compiled_model = core.compile_model(model, "CPU")
    nireq = compiled_model.get_property(props.optimal_number_of_infer_requests())
    # [optimal_number_of_infer_requests]


    # [core_set_property_then_compile]
    # latency hint is a default for CPU
    core.set_property("CPU", {hints.performance_mode(): hints.PerformanceMode.LATENCY})
    # compiled with latency configuration hint
    compiled_model_latency = core.compile_model(model, "CPU")
    # compiled with overriden performance hint value
    config = {hints.performance_mode(): hints.PerformanceMode.THROUGHPUT}
    compiled_model_thrp = core.compile_model(model, "CPU", config)
    # [core_set_property_then_compile]


    # [inference_num_threads]
    compiled_model = core.compile_model(model, "CPU")
    nthreads = compiled_model.get_property(props.inference_num_threads())
    # [inference_num_threads]

    if "GPU" not in available_devices:
        return 0

    # [multi_device]
    config = {device.priorities(): "CPU,GPU"}
    compiled_model = core.compile_model(model, "MULTI", config)
    # change the order of priorities
    compiled_model.set_property({device.priorities(): "GPU,CPU"})
    # [multi_device]