import csv
import json
import os
import pprint
import re
import sys
from collections import defaultdict
from datetime import timedelta
from pathlib import Path

from tqdm import tqdm

from config import *
from lib import read_recipes


# TODO read from csv
wanted_servings = {
    "Aufstrich Zwiebel & Kümmel": 100,
    "Cashew-Streichkäse": 100,
    "GPN-Tomatenbutter": 100,
    "Granatapfelcreme": 100,
    "Gulaschmarmelade": 100,
    "Hummus": 100,
    "Matelade Apfel": 100,
    "Mungobohnenhummus mit Jalapenos und Zatar": 100,
    "Rauchige Schwarze Bohnencreme": 100,
}


# XXX move to lib
def grams(ingredient):
    conversion = None
    for c in ingredient["conversions"]:
        if c["unit"] in ["g / Gramm", "g"]:
            conversion = c
    if conversion:
        return conversion.get("amount")


def main():

    recipes = read_recipes(keyword="Frühstück")

    inventory = {}

    for recipe in recipes:
        scale_factor = wanted_servings[recipe["name"]] / recipe["servings"]
        r_name = recipe["name"]
        for step in recipe["steps"]:
            for ingredient in step["ingredients"]:
                if not ingredient.get("food"):
                    raise ValueError("No food in ingredient")
                    continue
                i_grams = scale_factor * (grams(ingredient) or 0)
                i_name = ingredient["food"]["name"]
                i_description = ingredient["food"][
                    "description"
                ]  # XXX probably not what i wanted

                inventory.setdefault(i_name, []).append((i_grams, r_name))

    print("!!! alert")
    print("automatisch erstellt, nicht editieren...")
    print("!!!")

    for ingredient, entries in inventory.items():
        total = sum(amount for amount, _ in entries)

        print(f"## {ingredient}")

        print(f"- **{total:.1f}g** **Total**")
        for i_grams, r_name in entries:
            print(f"- {i_grams:.1f}g {r_name}")


if __name__ == "__main__":
    main()