import json
import sys
from pathlib import Path
from datetime import timedelta
import re
import os
from tqdm import tqdm

from config import *




def allergens_for_step_ingredients(step):
    l = []
    for ingredient in step["ingredients"]:
        if not ingredient.get("food"):
            raise ValueError("No food in ingredient")
            continue
        i_name = ingredient["food"]["name"]
        i_description = ingredient["food"]["description"]

        if match := re.search(r"^Allergene: (.*)$", i_description, re.MULTILINE):
            i_allergens = match.group(1)
        else:
            i_allergens = "❗ keine Allergene hinterlegt"

        l.append((i_name, i_allergens))

    return l


def allergens_for_recipe(recipe):
    l = []
    for step in recipe["steps"]:
        l += allergens_for_step_ingredients(step)
    return l


def link(recipe):
    return f"{TANDOOR_URL + "/view/recipe/" + str(recipe["id"])}"

def wiki_link(recipe):
    wiki_slug = recipe["name"]
    wiki_slug = re.sub(" ", "_", wiki_slug)
    return f"{WIKI_URL + WIKI_ARTICLE_PREFIX + wiki_slug}"


def decruft_ingredient(i_name: str):
    i_name = i_name.replace(" (trocken)", "")
    i_name = i_name.replace(" (frisch)", "")
    i_name = i_name.replace(" (TK)", "")
    i_name = i_name.replace(" (Dose)", "")
    i_name = i_name.replace(" (getrocknet)", "")
    return i_name

def main():

    Path("report_allergene_korrektur.csv").unlink(missing_ok=True)
    Path("report_allergene.md").unlink(missing_ok=True)

    recipes = []
    for json_file in os.listdir(OUTDIR_JSON):
        with open(os.path.join(OUTDIR_JSON, json_file), "r", encoding="utf-8") as f:
            data = json.load(f)
        recipes.append(data)

    for recipe in recipes:
        with open("report_allergene_korrektur.csv", "a") as f:
            f.write(recipe["name"] + "\n")
            f.write(link(recipe) + "\n")
            f.write(wiki_link(recipe) + "\n")
            for i_name, i_allergens in allergens_for_recipe(recipe):
                f.write(f"{i_name};{i_allergens}\n")
            f.write("\n")

    for recipe in recipes:
        with open("report_allergene.md", "a") as f:
            f.write(recipe["name"] + "\n\n")
            f.write(wiki_link(recipe) + "\n\n")

            zutaten = ""
            for i_name, i_allergens in allergens_for_recipe(recipe):
                if zutaten:
                    zutaten += ", "
                zutaten += decruft_ingredient(i_name)
                if i_allergens != "(keine)":
                    zutaten += f" (**{i_allergens}**)"
            f.write(zutaten + "\n")
            f.write("\n\n\n")

if __name__ == "__main__":
    main()