import requests

def print_tree(node, prefix="", visited=None, root_id="Healthcare"):
    """Recursive function to print all relationships in a hierarchical tree format."""
    if visited is None:
        visited = set()

    node_id = node.get("node_id")
    if not node_id:
        print(f"{prefix}(unknown node)")
        return

    if node_id in visited or (node_id == root_id and prefix != ""):
        print(f"{prefix}(already listed) {node_id}")
        return
    visited.add(node_id)

    relationship_label = f"({node.get('relationship', '')})" if node.get("relationship") else ""
    print(f"{prefix}{node_id} {relationship_label}")

    # Check if there are descendants to traverse
    descendants = node.get("descendants", [])
    if not descendants:
        print(f"{prefix}(no further descendants)")
    else:
        for i, child in enumerate(descendants):
            new_prefix = f"{prefix}├── " if i < len(descendants) - 1 else f"{prefix}└── "
            print_tree(child, new_prefix, visited, root_id)

def inspect_and_print_relationships(node_id):
    """Inspect and display relationships for a specified node in a tree format."""
    response = requests.get(f"{base_url}/inspect_relationships?node_id={node_id}")
    traversal_hierarchy = response.json()

    print(f"\nTraversal Response for {node_id}:", traversal_hierarchy)  # Debugging line
    # Ensure the root node structure matches expectations
    if "node_id" not in traversal_hierarchy:
        traversal_hierarchy = {
            "node_id": node_id,
            "descendants": traversal_hierarchy.get("child_relations", [])
        }

    print(f"\nInspect Relationships for {node_id} (Full Hierarchy):")
    print_tree(traversal_hierarchy)

# Base URL for API
base_url = "http://localhost:5000"

# Step 1: Load Graph (Specify the graph to load, e.g., PHSA/340B section)
print("\n--- Testing Graph Loading ---")
graph_data = {"graph_file": "graphs/PHSA/phsa_sec_340b.json"}
response = requests.post(f"{base_url}/load_graph", json=graph_data)
print("Load Graph Response:", response.json())

# Step 2: Create a Test Node
print("\n--- Testing Node Creation ---")
create_data = {
    "node_id": "patient_123",
    "data": {"name": "John Doe", "age": 45, "medical_conditions": ["hypertension", "diabetes"]},
    "domain": "Healthcare",
    "type": "Patient"
}
response = requests.post(f"{base_url}/create_node", json=create_data)
print("Create Node Response:", response.json())

# Step 3: Inspect Relationships for Node (Healthcare) - Full hierarchical tree
print("\n--- Testing Inspect Relationships for Node (Healthcare) ---")
inspect_and_print_relationships("Healthcare")

# Step 4: Inspect Relationships for Specific Node (Section 340B)
print("\n--- Testing Inspect Relationships for Node (Section 340B) ---")
inspect_and_print_relationships("Section 340B")