import requests
import hashlib
import hmac
import json
import uuid

# nTransit Shared Secret Key
# secret_key = b'IU9BRsR7WTDWdDooX4w9DFLqweAZreLwaDDaLnVRkHZeubcSdA'

# Spark Shared Secret Key
secret_key = b'DK9BRsR7WTDWdDooX4w9DFLnqjAZreLwaFFaLnVRkHZeubcKdR'

prod_url = "https://walmart.northpass.io/helpMenu"
driver_auth = "https://walmart.northpass.io/driver/authenticate"
stage_url = "https://walmart.np-mt-dev.net/helpMenu"
random_uuid = uuid.uuid4()

msg_body = {
  "sessionExpiryTimeInSeconds": 3600,
  "messageExpirationTimestamp": 1758722640,
  "driver": {
    "uuid": str(random_uuid),
    "accessLevel": "BEGINNER"
  },
  "subCategory": "REWARDS",
  "appContext": "contextAwareHelp"
}

msg_body_json = json.dumps(msg_body, sort_keys=True)
body_signature = hmac.new(secret_key, msg_body_json.encode('utf-8'), hashlib.sha256).hexdigest()

# "accept": "application/json",
# "X-Api-Key": "6hUfJdAartHTHhHc0WIRZYPWe",
header = {
    "X-Hmac-SHA256": 'fec9bb0355b2b599d6cfc22c73b5e8df3159d0b8b275af5229c900e29e3081c8'
}

# canonical_headers = '\n'.join(f'{k.lower()}:{v.strip()}' for k, v in sorted(headers.items()))
# header_signature = hmac.new(secret_key, canonical_headers.encode('utf-8'), hashlib.sha256).hexdigest()
headers = { 'Content-Type': 'application/json','X-Hmac-SHA256': body_signature }

# prod = requests.post(prod_url, headers=headers, json=msg_body)
prod = requests.post(prod_url, headers=headers, json=msg_body)
print(f"Status Code: {prod.status_code}")
print(f"Response: {prod.json()}")
print(f"Body Signature: {body_signature}")
# print(f"Header Signature: {header_signature}")

"""
This is a valid curl request for nTransit:

curl -X POST --location "https://ntransit.northpass.io/driver/authenticate" \
    -H "X-Hmac-SHA256: SECRET" \
    -H "Content-Type: application/json" \
    -d '{
          "sessionExpiryTimeInSeconds": 3600,
          "messageExpirationTimestamp": 1758722640,
          "driver": {
            "uuid": "3949c78e-9a9c-43d6-92f0-8c474c0e1d1e",
            "zone": "Zone 1"
          }
        }'

Testing the same curl respone for Spark:
curl -X POST --location "https://walmart.northpass.io/helpMenu" \
-H "X-Hmac-SHA256: fec9bb0355b2b599d6cfc22c73b5e8df3159d0b8b275af5229c900e29e3081c8" \
-H "Content-Type: application/json" \
-d '{
    "sessionExpiryTimeInSeconds": 3600,
    "messageExpirationTimestamp": 1758722640,
    "driver": {
        "uuid": "3949c78e-9a9c-43d6-92f0-8c474c0e1d1e",
        "accessLevel": "BEGINNER"
  },
        "subCategory": "REWARDS",
        "appContext": "contextAwareHelp"
 }'

    """