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 = {}

ingredient = "start"
i = 0
while ingredient:
    print_ingredients()

    ingredient = input("Add ingredient: ")

    if ingredient:
        ingredients[i] = Node(ingredient, result=ingredient)
        i += 1

task = "start"
while task:
    print_ingredients()

    task = input("Add task: ")

    if task:
        needs = input("List needs (comma-separated): ")
        description = input("Detailed description: ")
        result = input("Result of task (e.g. chopped carrots): ")
        
        new_task = Node(task, description=description, result=result)

        ingredients[i] = new_task
        i += 1

        for e in [int(key.strip()) for key in needs.split(",")]:
            ingredients.pop(e).parent = new_task

for pre, _, node in RenderTree(new_task):
    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_task, f)