from bleak import BleakScanner, BleakClient
import asyncio

async def get_services(mac_address: str):
    async with BleakClient(mac_address) as client:
        svcs = client.services
        return svcs

async def find_and_get_services(device_name: str):
    # 发现所有设备
    devices = await BleakScanner.discover()

    # 遍历设备列表，查找目标设备
    for device in devices:
        if device.name == device_name:
            print(f"Found device: {device.name}, MAC Address: {device.address}")
            
            # 获取服务
            services = await get_services(device.address)
            if services:
                last_service = services.services[40]
                return {
                    "device_name": device.name,
                    "mac_address": device.address,
                    "last_service_uuid": last_service.uuid,
                }
            else:
                print("No services found for the device.")
                return None
    
    # 如果没有找到设备
    print(f"Device with name '{device_name}' not found.")
    return None

# 设备名称
device_name = "scent08d1f90efa9a"

# 调用函数并获取返回值
result = asyncio.run(find_and_get_services(device_name))
print(result)