"""Checks against the real (private, untracked) workbook. Skipped when it isn't there."""

import io
import json
import os
import zipfile

import pytest
from PIL import Image

from cookit_import.bundle import MAX_PHOTO_EDGE, write_bundle
from cookit_import.recipe import build_recipe, is_recipe_sheet, real_photos, template_photo_hashes
from cookit_import.workbook import read_sheets

WORKBOOK = os.environ.get("COOKIT_WORKBOOK", os.path.join(os.path.dirname(__file__), "..", "..", "..", "Wochenspeiseplan.xlsm"))

pytestmark = pytest.mark.skipif(not os.path.exists(WORKBOOK), reason="Wochenspeiseplan.xlsm not available")


@pytest.fixture(scope="module")
def recipes():
    all_sheets = read_sheets(WORKBOOK)
    placeholders = template_photo_hashes(all_sheets)
    return {s.title: (build_recipe(s), real_photos(s, placeholders)) for s in all_sheets if is_recipe_sheet(s)}


def test_all_recipe_sheets_found(recipes):
    assert len(recipes) == 214
    assert "Leeres Rezept" not in recipes and "Spinat-Feta-Pizza" not in recipes


def test_focaccia(recipes):
    r, photos = recipes["Focaccia"]
    assert [s["title"] for s in r["stepSections"]][:2] == ["Vorteig", "Teig"]
    assert len(r["ingredientGroups"]) == 3
    assert len(r["sources"]) == 2
    assert r["notes"] == "22x22 cm eckige Form"
    assert photos == []  # only the template's stock picture was on the sheet


def test_template_stock_photo_is_dropped_but_real_photos_kept(recipes):
    without = [title for title, (_, photos) in recipes.items() if not photos]
    assert 25 <= len(without) <= 35
    assert len(recipes["Melonen-Minze-Shake"][1]) == 3


def test_rinderrouladen_groups_from_comments(recipes):
    r, _ = recipes["Klassische Rinderrouladen"]
    assert [g["name"] for g in r["ingredientGroups"]] == ["Rouladen", "Sauce", "Zusätzliche Zutaten"]


def test_bundle_round_trip(recipes, tmp_path):
    subset = [recipes[t] for t in ("Focaccia", "Melonen-Minze-Shake", "Hähnchen")]
    out = tmp_path / "bundle.zip"
    write_bundle(str(out), [(dict(r), photos) for r, photos in subset])
    with zipfile.ZipFile(out) as z:
        manifest = json.loads(z.read("bundle.json"))
        assert manifest["format"] == "cookit.recipe-bundle" and manifest["version"] == 1
        shake = next(r for r in manifest["recipes"] if r["name"] == "Melonen-Minze-Shake")
        assert len(shake["photos"]) == 3
        for name in shake["photos"]:
            img = Image.open(io.BytesIO(z.read(name)))
            assert img.format == "JPEG" and max(img.size) <= MAX_PHOTO_EDGE