(local peg
 (if (pick-values 1 (pcall require :lpeg))
   (require :lpeg)
   (require :lpeglj)))
(local parser (require :parser.parser))
(local number (require :lib.number))
(local fetcher (require :fetcher))

(fn format-url [path page]
  (.. "https://yoceramics.ru/product-category/" path
      (if (= 1 page) "" (.. "/page/" page)) "/?per_page=36"))

(local product-peg
  (*
   (parser.anywhere "class=\"product-image-link\"")
   (parser.anywhere (* "src=\"" (peg.Cg (parser.till "\"") :image) "\""))
   (parser.anywhere
    (parser.tag :h3 {:class "wd-entities-title"}
     (parser.tag :a {:href (peg.Cg (parser.till "\"") :url)}
      (peg.Cg (parser.till "</a>") :title))))
   (parser.anywhere
    (parser.tag :span {:class "woocommerce-Price-amount amount"}
     (parser.tag :bdi {}
      (*
        (peg.Cg (parser.till "&nbsp;") :price)
        (parser.till "</bdi>")))))
   (parser.anywhere
    (parser.tag :div {:class "hover-content-inner wd-more-desc-inner"}
     (*
       (parser.maybe parser.pegs.spaces)
       (peg.Cg (parser.till "</div>") :description))))
   (parser.anywhere (parser.tag :span {} "В корзину"))))

(fn normalize [product]
  {:site "yoceramics"
   :title product.title
   :url product.url
   :description product.description
   :image product.image
   :year nil
   :price (number.string->number product.price)
   :weight nil
   :volume (parser.guess-volume product.description)
   :price-per nil})

(fn products []
  (fetcher.from-html
    [{:path "gajvani" :tags ["Посуда" "Керамика" "Гайвань"]}
     {:path "vazy" :tags ["Посуда" "Керамика" "Ваза"]}
     {:path "kensuj" :tags ["Посуда" "Керамика" "Кенсуй"]}
     {:path "pialy-i-chashi" :tags ["Посуда" "Керамика" "Пиала"]}
     {:path "tyavany" :tags ["Посуда" "Керамика" "Тяван"]}
     {:path "chajniki" :tags ["Посуда" "Керамика" "Чайник"]}
     {:path "chahai" :tags ["Посуда" "Керамика" "Чахай"]}
     {:path "chajnye-prudiki" :tags ["Посуда" "Керамика" "Чайный пруд"]}
     {:path "chahe" :tags ["Посуда" "Керамика" "Чахэ"]}]
    format-url
    product-peg
    normalize))

{:products products :title "yo_ceramics" :url "https://www.yoceramics.ru"}