// api-less instagram feed

// Visitor network maybe temporary banned by Instagram because of too many requests from external websites
// so it isn't very stable implementation. You should have something for the fall-back.

import Events from "../_events";
import Consts from "../_consts";
import InstagramFeed from "@jsanahuja/instagramfeed/src/InstagramFeed";

export default ((window) => {
  const NAME = "js-instagramfeed";
  const BODY = document.body;

  const ig_media_preview = (base64data) => {
    const jpegtpl =
        "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",
      t = atob(base64data),
      p = t.slice(3).split(""),
      o = t
        .substring(0, 3)
        .split("")
        .map((e) => {
          return e.charCodeAt(0);
        }),
      c = atob(jpegtpl).split("");
    c[162] = String.fromCharCode(o[1]);
    c[160] = String.fromCharCode(o[2]);
    return base64data
      ? `data:image/jpeg;base64,${btoa(c.concat(p).join(""))}`
      : null;
  };

  const loadFeed = () => {
    console.log(`${NAME}: loading`);

    document.querySelectorAll(`.${NAME}`).forEach((el, i) => {
      const ID = `InstagramFeed${i}`;
      const dataset = el.dataset;

      el.classList.add(`${NAME}-loading`);
      el.classList.remove(`${NAME}-loaded`, `${NAME}-error`);

      new InstagramFeed({
        username: dataset["username"],
        tag: dataset["tag"] || null,
        display_profile: dataset["display-profile"],
        display_biography: dataset["display-biography"],
        display_gallery: dataset["display-gallery"],
        display_captions: dataset["display-captions"],
        cache_time: dataset["cache_time"] || 360,
        items: dataset["items"] || 12,
        styling: false,
        lazy_load: true,
        callback: (data) => {
          console.log(`${NAME}: data response received`);

          const list = document.createElement("div");
          list.classList.add(`${NAME}-list`, "row");
          el.appendChild(list);

          data["edge_owner_to_timeline_media"]["edges"].forEach((el, i) => {
            const item = el["node"];
            const preview = ig_media_preview(item["media_preview"]);

            list.innerHTML +=
              `<div class="a col ${NAME}-item"` +
              ` data-gallery="${NAME}-${ID}" data-href="${item["display_url"]}" data-toggle="lightbox" data-force="image">` +
              `<img id="${NAME}-${ID}-${item["id"]}" src="${item["display_url"]}" alt="${item["accessibility_caption"]}"` +
              `style="background:url(${preview})" />` +
              "</div>";
          });

          el.classList.remove(`${NAME}-loading`);
          el.classList.add(`${NAME}-loaded`);

          window.dispatchEvent(new Event("MetaWindowindow.initLinks"));
          window.dispatchEvent(new Event(`${NAME}.loaded`));
        },
        on_error: (e) => {
          console.error(`${NAME}: ${e}`);

          el.classList.remove(`${NAME}-loading`);
          el.classList.add(`${NAME}-error`);

          window.dispatchEvent(new Event(`${NAME}.error`));
        },
      });
    });
  };

  window.addEventListener(`${Events.LODEDANDREADY}`, loadFeed);
  window.addEventListener(`${Events.AJAX}`, loadFeed);
})(window);