from azure.iot.hub import IoTHubRegistryManager
from azure.iot.hub.models import Twin, TwinProperties
from dotenv import load_dotenv
import pandas as pd

import os
import json

load_dotenv()

INPUT_FILE = "cottonwood_devices.xlsx"  # Path to your Excel file
SITE_NAME = "COTTONWOOD"  # Parameterized site name
VERSION = "1.5.0"  # Parameterized version

# 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)


df = pd.read_excel(INPUT_FILE, header=None)

registry_manager = IoTHubRegistryManager.from_connection_string(CONNECTION_STRING)

def create_device(device_name, number):
    try:
        # Create the device
        device = registry_manager.create_device_with_sas(
            device_name,
            primary_key="", secondary_key="",
            status="enabled",
            iot_edge=True
        )
        print(f"Created IoT Edge-enabled device: {device_name}")
        
        # Set tags
        twin = registry_manager.get_twin(device_name)
        twin_patch = Twin(properties=TwinProperties(desired={}), tags={
            "site": SITE_NAME,
            "number": number,
            "version": VERSION
        })
        registry_manager.update_twin(device_name, twin_patch, twin.etag)
        print(f"Updated tags for {device_name}")
    except Exception as e:
        print(f"Error processing {device_name}: {e}")

# Loop through the Excel file and process each device
for index, row in df.iterrows():
    device_name = str(row[0]).strip()
    if device_name:
        create_device(device_name, index + 1)

print("Device provisioning completed.")