from make_website import populate_template_str, datetime, get_json, review_id


PESTO_TYPES = ('Genovese', 'Calabrese', 'Arrabiata', 'Herbal', 'Ricotta', 'Rosso', 'Verde')
CONSISTENCY_TYPES = ("Creamy", "Rustic")


with open('web/templates/table.html', 'r') as f:
    TABLE_TEMPLATE = f.read()


def generate_table_row(review: dict) -> str:
    """
        <th>Brand</th>
        <th>Name</th>
        <th>Type</th>
        <th>Rating</th>
        <th>Taste</th>
        <th>Consistency</th>
        <th>Ingredients</th>
        <th>Weight</th>
        <th>Price</th>
        <th>Servings</th>
        <th>Serving Price</th>
        <th>Value *</th>
        <th>Creamy / Rustic</th>
    """
    return ("<tr>" + ("<td>{}</td>" * 13) + "</tr>").format(
        review['company'],
        make_link(
            review['name'] + (' ({})'.format(review['variant']) if review['variant'] else ''),
            './#' + review_id(review)
        ),
        get_type_from_categories(review),
        review['final_verdict']['string'],
        review['rating_value']['taste'],
        review['rating_value']['consistency'],
        review['rating_value']['ingredients'],
        review['rating_value']['size'],
        review['rating_value']['price'],
        review['rating_value']['servings'],
        price_per_serving(review), 
        taste_grams_per_price(review), 
        ", ".join(cat for cat in review['category'] if cat in CONSISTENCY_TYPES)
    )

def make_link(name, url):
    return '<a href="{}">{}</a>'.format(
        url, name
    )

def get_type_from_categories(review: dict) -> str:
    cats = review['category']
    for name in PESTO_TYPES:
        if name in cats:
            return name

def price_per_serving(review: dict, raw=False):
    servings = review['rating_value'].get('servings_value', None)
    price = review['rating_value'].get('price_value', None)

    if None in (servings, price):
        return "???"
    
    if isinstance(servings, list):
        # average number of servings
        servings = sum(servings) / len(servings)

    if raw:
        return price / servings
    
    return "{:.2f}€".format(price / servings)

def taste_grams_per_price(review):
    price_per_serving_val = price_per_serving(review, True)
    if price_per_serving_val == '???':
        return '???'
    return "{:.1f}".format(
        review['rating_value']['taste_percent']**2 / price_per_serving_val * 10
    )

if __name__ == '__main__':
    reviews = get_json()['reviews']

    html = populate_template_str(
        TABLE_TEMPLATE, 
        {
            'table_rows': "\n".join(generate_table_row(review) for review in reviews),
            'current_year': str(datetime.datetime.now().year)
        }
    )

    with open("web/table.html", 'w') as f:
        f.write(html)