from azure.iot.hub import IoTHubRegistryManager
from azure.iot.hub.protocol.models import QuerySpecification
from azure.iot.hub.models import CloudToDeviceMethod, CloudToDeviceMethodResult
from dotenv import load_dotenv

import json
import os

load_dotenv()

module_id = "thingspro-agent"
method_name = "thingspro-api-v1"
payload = '{"method":"GET", "path":"/device/general"}'

# Install the Azure IoT Hub SDK:
# pip install azure-iot-hub

# Authenticate to your Azure account
CONNECTION_STRING = str(os.getenv("CONNECTION_STRING_SAFT_PROD"))
# CONNECTION_STRING = str(os.getenv("CONNECTION_STRING_INOX_PROD"))
if CONNECTION_STRING == "":
    print("Provide a connection string for the Iot Hub before running the script!")
    exit(13)


registry_manager = IoTHubRegistryManager.from_connection_string(CONNECTION_STRING)
query_spec = QuerySpecification(query="SELECT * FROM devices WHERE IS_DEFINED(tags.site) AND capabilities.iotEdge = true")

query_result = registry_manager.query_iot_hub(query_spec)
devices = []
for item in query_result.items:
    number = int(-1)
    deviceId = "null"
    site = "null"
    if item.tagss['number']:
        number = int(item.tags['number'])
    if item.tags['deviceId']:
        deviceId = item.tags['deviceId']
    if item.tags['site']:
        site = item.tags['site']

    devices.append([int(item.tags['number']), item.tags['deviceId'], item.tags['site']])

ordered_devices = sorted(devices, key = lambda x: (x[2], x[0]))

for i in ordered_devices:
    current_device_modules = registry_manager.get_modules(i[1])
    for module in current_device_modules:
        if module.module_id == module_id:
            thingspro_module = module
    if thingspro_module:
        #print("Found thingspro-agent for " + i[1] + " (" + i[2] + ")")
        try:
            direct_method = CloudToDeviceMethod(method_name=method_name, payload=json.loads(payload))
            response = registry_manager.invoke_device_module_method(device_id=i[1], module_id=module_id, direct_method_request=direct_method)
            #print(response.payload)
            if str(i[1]) == str(response.payload['data']['hostName']):
                print(str(i[2]), str(i[0]), str(i[1]), response.payload['data']['description'], response.payload['data']['firmwareVersion'], sep=";")
            else:
                print(str(i[2]), str(i[0]), str(i[1]), response.payload['data']['description'], response.payload['data']['hostName'], response.payload['data']['firmwareVersion'], sep=";")
        except:
            print(str(i[2]), str(i[0]), str(i[1]), "UNREACHABLE",sep=";")
    else:
        print("No thingspro-agent available for " + i[1] + " (" + i[2] + ")")