memory.js

exports.parseMemory = parseMemory;

function parseMemory(doc, name, icon, url) {
  return fuse(
    {
      names: parseNames(
        doc.querySelector("div[title='Chinese Story']"),
        doc.querySelector("div[title='Japanese Story']"),
        doc.querySelector("div[title='English Story']")
      ),
      thumbnail: icon,
      wikiUrl: url,
      cn: parseStory(doc.querySelector("div[title='Chinese Story']")),
      jp: parseStory(doc.querySelector("div[title='Japanese Story']")),
      en: parseStory(doc.querySelector("div[title='English Story']")),
    },
    name
  );
}

function fuse(obj, name) {
  let { cn, jp, en } = obj;
  let chapters = [];
  for (let i = 0; i < Math.max(cn.length, jp.length, en.length); i++) {
    // Looping through chapters
    let length = Math.max(
      cn[i] ? cn[i].lines.length : 0,
      jp[i] ? jp[i].lines.length : 0,
      en[i] ? en[i].lines.length : 0
    );
    let names = {};
    let lines = [];
    if (cn[i]) names.cn = cn[i].name;
    if (jp[i]) names.jp = jp[i].name;
    if (en[i]) names.en = en[i].name;
    for (let j = 0; j < length; j++) {
      lines.push({
        names: {
          cn: cn[i] && cn[i].lines[j] ? cn[i].lines[j].name : null,
          jp: jp[i] && jp[i].lines[j] ? jp[i].lines[j].name : null,
          en: en[i] && en[i].lines[j] ? en[i].lines[j].name : null,
        },
        bannerSrc:
          (cn[i] && cn[i].lines[j] ? cn[i].lines[j].bannerSrc : null) ||
          (jp[i] && jp[i].lines[j] ? jp[i].lines[j].bannerSrc : null) ||
          (en[i] && en[i].lines[j] ? en[i].lines[j].bannerSrc : null),
        bgm:
          (cn[i] && cn[i].lines[j] ? cn[i].lines[j].bgm : null) ||
          (jp[i] && jp[i].lines[j] ? jp[i].lines[j].bgm : null) ||
          (en[i] && en[i].lines[j] ? en[i].lines[j].bgm : null),
        background:
          (cn[i] && cn[i].lines[j] ? cn[i].lines[j].background : null) ||
          (jp[i] && jp[i].lines[j] ? jp[i].lines[j].background : null) ||
          (en[i] && en[i].lines[j] ? en[i].lines[j].background : null),
        content: {
          cn: cn[i] && cn[i].lines[j] ? cn[i].lines[j].content : null,
          jp: jp[i] && jp[i].lines[j] ? jp[i].lines[j].content : null,
          en: en[i] && en[i].lines[j] ? en[i].lines[j].content : null,
        },
      });
    }
    chapters.push({
      names: names,
      lines: lines,
    });
  }
  return {
    names: {
      cn: obj.names.cn,
      jp: obj.names.jp,
      en: obj.names.en || name,
    },
    thumbnail: obj.thumbnail,
    wikiUrl: obj.wikiUrl,
    chapters: chapters,
  };
}

function parseStory(div) {
  let chapters = [];
  if (!div) return [];
  for (let i = 1; div.querySelector("div[title='Chapter " + i + "']"); i++) {
    chapters.push(parseChapter(div.querySelector("div[title='Chapter " + i + "']")));
  }
  return chapters;
}

function parseChapter(div) {
  let rows = div.querySelectorAll("table tbody tr");
  let chapterName = rows[0].firstElementChild.firstChild.textContent;
  let lines = [];
  for (let i = 2; i < rows.length; i++) {
    let row = rows[i];
    let line = {};
    line.bannerSrc =
      "https://azurlane.koumakan.jp" +
      (row.firstElementChild.firstElementChild &&
      row.firstElementChild.firstElementChild.tagName === "IMG"
        ? galleryThumbnailUrlToActualUrl(row.firstElementChild.firstElementChild.src)
        : null);
    line.name = row.firstElementChild ? row.firstElementChild.textContent.trim() : null;
    if (row.children[1]) line.content = row.children[1].textContent;
    else console.log(row.textContent);
    if (row.lastElementChild && row.lastElementChild.childNodes.length > 0) {
      // Notes
      if (row.lastElementChild.querySelector("img"))
        line.background =
          "https://azurlane.koumakan.jp" +
          galleryThumbnailUrlToActualUrl(row.lastElementChild.querySelector("img").src);
      else line.bgm = row.lastElementChild.textContent;
      if (row.lastElementChild.childNodes.length > 1)
        line.bgm = row.lastElementChild.childNodes[1].textContent.replace("BGM:", "").trim();
    }
    lines.push(line);
  }
  return {
    name: chapterName,
    lines: lines,
  };
}

function parseNames(cn, jp, en) {
  return {
    cn:
      cn && cn.querySelector(".mw-headline") ? cn.querySelector(".mw-headline").textContent : null,
    jp:
      jp && jp.querySelector(".mw-headline") ? jp.querySelector(".mw-headline").textContent : null,
    en:
      en && en.querySelector(".mw-headline") ? en.querySelector(".mw-headline").textContent : null,
  };
}

// Its only a prediction
function galleryThumbnailUrlToActualUrl(tdir) {
  return tdir.replace(/\/w\/images\/thumb\/(.\/..)\/([^\/]+)\/.+/g, "/w/images/$1/$2");
}