(import-macros {: map} :lib.macro)

(local parser (require :parser.parser))
(local array (require :lib.array))
(local http (require :lib.http))
(local number (require :lib.number))
(local fetcher (require :fetcher))
(local json (require :vendor.json))

(fn format-url [path page]
  (.. "https://store.tildaapi.com/api/getproductslist/"
      "?storepartuid=" path
      "&slice=" page
      "&recid=995758736"
      "&c=1748185006948"
      "&getparts=true"
      "&getoptions=true"
      "&size=36"))

(fn destruct-response [response]
  {:items (. (json.decode response) :products)})

(fn normalize [product]
  (local gallery (json.decode product.gallery))
  (local weight (or (parser.guess-weight (. product.editions 1 :Вес) ["г"])
                    (number.string->number (. product.editions 1 :Вес))))
  (local price (number.string->number (. product.editions 1 :price)))
  (var volume (parser.guess-volume product.title))

  {:site "batatcha"
   :url product.url
   :title product.title
   :description product.descr
   :image (if (< 0 (# gallery)) (. gallery 1 :img) "")
   :weight weight
   :volume volume
   :price price
   :price-per (if (and price weight (< 0 weight))
                (/ (math.ceil (* (/ price weight) 10)) 10)
                nil)
   :characteristics product.characteristics})

(fn products []
  (fetcher.from-json
    [{:path "252209460212" :tags ["Посуда"]}
     {:path "547479831241" :tags ["Шу пуэр"]}
     {:path "826048744931" :tags ["Улун"]}
     {:path "979435309971" :tags ["Красный чай"]}
     {:path "770446922881" :tags ["Зеленый чай"]}
     {:path "770679255051" :tags ["Белый чай"]}
     {:path "596866221302" :tags ["Тизан"]}]
    format-url
    destruct-response
    normalize))

{:products products :title "батат абрикос земля мята" :url "https://batatcha.com"}