from anytree import Node, RenderTree
from anytree.exporter import JsonExporter


def print_ingredients():
    for i, node in ingredients.items():
        print(f"   {i}.) {node.result}")


ingredients = {}
i = 0
node = "start"
while node:
    print_ingredients()

    node = input("Add node: ")

    if node:
        needs = input("List needs (comma-separated): ")
        description = input("Detailed description: ")

        if needs:
            result = input("Result of node (e.g. chopped carrots): ")
            new_node = Node(node, description=description, result=result)

            for e in [int(key.strip()) for key in needs.split(",")]:
                ingredients.pop(e).parent = new_node
        else:
            new_node = Node(node, description=description, result=node)

        ingredients[i] = new_node
        i += 1

for pre, _, node in RenderTree(new_node):
    print(f"{pre}{node.name}")

name = input("Recipe name: ")

if name:
    name = name.replace(" ", "_")

    with open(f"{name}.json", 'w') as f:
        JsonExporter(indent=2).write(new_node, f)