import json

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


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


nodes = {}
i = 0
node = "start"
while node:
    print_nodes()

    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(",")]:
                nodes.pop(e).parent = new_node
        else:
            new_node = Node(node, description=description, result=node)

        nodes[i] = new_node
        i += 1

root_keys = nodes.keys()

for key in root_keys:
    for pre, _, node in RenderTree(nodes[key]):
        print(f"{pre}{node.name}")

name = input("Recipe name: ")
description = input("Recipe description: ")
if name:
    sub_recipes = []
    exporter = DictExporter()
    for key in root_keys:
        sub_recipes.append(exporter.export(nodes[key]))

    recipe = {"name": name, "description": description, "sub_recipes": sub_recipes}

    filename = name.replace(" ", "_").lower()

    with open(f"{filename}.json", 'w') as f:
        f.write(json.dumps(recipe, indent=2))