import requests

base_url = "http://localhost:8000"

# Authenticate
auth_response = requests.post(
    f"{base_url}/api/v1/auth/login",
    json={"username": "admin", "password": "admin123"}
)
token = auth_response.json().get("access_token")
headers = {
    "Content-Type": "application/json",
    "Authorization": f"Bearer {token}"
}

# Get full config
config_response = requests.get(
    f"{base_url}/api/v1/configuration/export",
    headers=headers
)

if config_response.status_code == 200:
    data = config_response.json()

    # Get the last node
    nodes = data.get("nodes", [])
    if nodes:
        last_node = nodes[-1]
        print(f"Last node in configuration:")
        print(f"  Type: {last_node.get('node_type')}")
        print(f"  Name: {last_node.get('name', 'N/A')}")
        print(f"  Value: {last_node.get('value', 'N/A')}")
        print(f"  Offset: {last_node.get('start_offset')} - {last_node.get('end_offset')}")
        print(f"  File size: {data.get('file_size')} bytes")
        print(f"\n  Gap between last node end and file end: {data.get('file_size') - last_node.get('end_offset')} bytes")

        # Look at the last few nodes to understand structure
        print(f"\nLast 5 nodes:")
        for node in nodes[-5:]:
            print(f"  [{node.get('start_offset'):6d}-{node.get('end_offset'):6d}] {node.get('node_type'):10s} {node.get('name', '')[:50]}")
else:
    print(f"Error: {config_response.status_code}")