# Copyright 2021-2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import logging
import sys
import os
from bumble.core import AdvertisingData
from bumble.device import Device
from bumble.hci import (
    CodecID,
    CodingFormat,
    OwnAddressType,
    HCI_LE_Set_Extended_Advertising_Parameters_Command,
)
from bumble.profiles.bap import (
    CodecSpecificCapabilities,
    ContextType,
    AudioLocation,
    SupportedSamplingFrequency,
    SupportedFrameDuration,
    PacRecord,
    PublishedAudioCapabilitiesService,
)

from bumble.transport import open_transport_or_link


# -----------------------------------------------------------------------------
async def main() -> None:
    if len(sys.argv) < 3:
        print('Usage: run_cig_setup.py <config-file>' '<transport-spec-for-device>')
        return

    print('<<< connecting to HCI...')
    async with await open_transport_or_link(sys.argv[2]) as hci_transport:
        print('<<< connected')

        device = Device.from_config_file_with_hci(
            sys.argv[1], hci_transport.source, hci_transport.sink
        )
        device.cis_enabled = True

        await device.power_on()

        device.add_service(
            PublishedAudioCapabilitiesService(
                supported_source_context=ContextType.PROHIBITED,
                available_source_context=ContextType.PROHIBITED,
                supported_sink_context=ContextType.MEDIA,
                available_sink_context=ContextType.MEDIA,
                sink_audio_locations=(
                    AudioLocation.FRONT_LEFT | AudioLocation.FRONT_RIGHT
                ),
                sink_pac=[
                    # Codec Capability Setting 16_2
                    PacRecord(
                        coding_format=CodingFormat(CodecID.LC3),
                        codec_specific_capabilities=CodecSpecificCapabilities(
                            supported_sampling_frequencies=(
                                SupportedSamplingFrequency.FREQ_16000
                            ),
                            supported_frame_durations=(
                                SupportedFrameDuration.DURATION_10000_US_SUPPORTED
                            ),
                            supported_audio_channel_counts=[1],
                            min_octets_per_codec_frame=40,
                            max_octets_per_codec_frame=40,
                            supported_max_codec_frames_per_sdu=1,
                        ),
                    ),
                    # Codec Capability Setting 24_2
                    PacRecord(
                        coding_format=CodingFormat(CodecID.LC3),
                        codec_specific_capabilities=CodecSpecificCapabilities(
                            supported_sampling_frequencies=(
                                SupportedSamplingFrequency.FREQ_24000
                            ),
                            supported_frame_durations=(
                                SupportedFrameDuration.DURATION_10000_US_SUPPORTED
                            ),
                            supported_audio_channel_counts=[1],
                            min_octets_per_codec_frame=60,
                            max_octets_per_codec_frame=60,
                            supported_max_codec_frames_per_sdu=1,
                        ),
                    ),
                ],
            )
        )

        advertising_data = bytes(
            AdvertisingData(
                [
                    (
                        AdvertisingData.COMPLETE_LOCAL_NAME,
                        bytes('Bumble LE Audio', 'utf-8'),
                    ),
                    (
                        AdvertisingData.INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS,
                        bytes(PublishedAudioCapabilitiesService.UUID),
                    ),
                ]
            )
        )

        await device.start_extended_advertising(
            advertising_properties=(
                HCI_LE_Set_Extended_Advertising_Parameters_Command.AdvertisingProperties.CONNECTABLE_ADVERTISING
            ),
            own_address_type=OwnAddressType.RANDOM,
            advertising_data=advertising_data,
        )

        await hci_transport.source.terminated


# -----------------------------------------------------------------------------
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
asyncio.run(main())