#!/usr/bin/env python3

import json
import typing
import os


if __name__ == '__main__':
    root = os.path.dirname(__file__)
    recipe_root = os.path.join(root, 'data', 'recipes')

    recipes = dict()

    for dirname, dirs, files in os.walk(recipe_root):
        for f in files:
            path = os.path.join(dirname, f)
            name, _ = os.path.splitext(f)
            with open(path, 'r') as src:
                variations = json.load(src)

            recipes[name] = variations


    resources = set()

    for output, variations in recipes.items():
        for option in variations:
            if len(option['input']) == 0:
                resources.add(output)

    print("Resources:", resources)