#!/usr/bin/env python3

import satisfactory

import os

from typing import Iterable


def graph(cookbook: satisfactory.Cookbook, targets: Iterable[str]):
    print("digraph G {")

    seen = set()
    remain = set(targets)

    while remain:
        output = remain.pop()

        for need in cookbook.recipes(output)[0]['input']:
            print(f"{need} -> {output}")
            if need not in seen:
                remain.add(need)

        seen.add(output)
    print("}")


def graph_all(recipes: dict) -> None:
    graph(recipes, recipes.all())


def graph_one(recipes: dict, target: str) -> None:
    graph(recipes, [target])


if __name__ == '__main__':
    def main():
        import argparse

        root = os.path.dirname(__file__)
        recipe_root = os.path.join(root, 'data', 'recipes')

        parser = argparse.ArgumentParser()
        parser.add_argument('--data', type=str, default=recipe_root)
        parser.add_argument('--target', type=str, required=False)

        args = parser.parse_args()

        recipes = satisfactory.Cookbook(args.data)

        if args.target:
            graph_one(recipes, args.target)
        else:
            graph(recipes, recipes.components())

    main()