events.js

const fs = require("fs");
const moment = require("moment");
const JSDOM = require("jsdom").JSDOM;
const nodefetch = require("node-fetch");
const parseInfo = require("infobox-parser");

const HEADERS = {
  "user-agent":
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36",
  accept:
    "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3",
  cookie: "VEE=wikitext",
};

const SUBTITLE_REGEX = /(?:\s)*<br ?\/?>''(.*)(?:'')?/;
const LINK_REGEX2 = /\[\[([^|\n]+)\]\](.*)/g;
const LINK_REGEX = /\[\[([^|]+)\|([^|\]]+)\]\](.*)\n(.+)\n(.+)\n(.+)\n(.+)/g;
const LINK_REPLC = "[[$2$3]]\n$4\n$5\n$6\n$7\n| $1";

async function refreshEvents() {
  let infobox = await title("Events", "./web/events.info");
  infobox = infobox
    .replace(LINK_REGEX2, "[[$1|$1]]$2")
    .replace(LINK_REGEX, LINK_REPLC)
    .replace(
      '! style="width:21%" class="unsortable" |Notes',
      '! style="width:21%" class="unsortable" |Notes\n! style="width:21%" class="unsortable" |Link'
    )
    .replace(`! style="width:25%"|Event Name<br />''EN Name''`, `! style="width:25%"|name`);
  fs.writeFileSync("./web/events.format.info", infobox);
  const info = parseInfo(infobox);
  // console.log(info.tables[0]);
  let eventNames = info.tables[0].map((eventInfo) => {
    let title = eventInfo["link"] || eventInfo["name"];
    if (SUBTITLE_REGEX.test(title)) title = title.replace(SUBTITLE_REGEX, "");
    return title;
  });

  const EVENTS = [];
  for (let eventName of eventNames) {
    let eventbox = await title(eventName, "./web/events/" + eventName + ".info");
    if (eventbox.trim().length <= 0) continue;
    EVENTS.push(parseEventBox(eventName, eventbox));
  }
  fs.writeFileSync("./events.json", JSON.stringify(EVENTS, null, "\t"));
}

const NEW_SHIP_REGEX =
  /{{ShipDisplay\|(?<rarity>\d+)\|(?<name>[^{}|\n]+)\|(?<type>[^{}|\n]+)\|(?<idk>[^{}|\n]*)\|(?:(?:'*(?<time>[\d:]+)'*\|'*(?<chance>[\d.%]+)'*)|(?:'*Construction\s*(?:\((?<chance2>[\d.%]+)\))?'*(?:<br>)?\|?(?<time2>[\d:]+)))}}/g;
const NEW_SHIP_SKIN_REGEX =
  /{{ShipDisplay\|(?<rarity>\d+)\|(?<name>[^{}|\n]+)\|(?<type>[^{}|\n]+)\|(?<series>[^{}|\n]*)\|(?<skin_name>[^{}|\n]*)\|{{(?<currency>[^{}[\]\n]+)}}\s?(?<price>\d+)(?:(?:<br>\(not discounted\))?\|*(?<L2D>L2D)?}}|\|\d+\|(?:BG)?)\|(?<bgID>\d+)?\|(?<idk>[^|{}]*)}}/g;
const NEW_SHIP_OTHER_REGEX =
  /{{ShipDisplay\|(?<rarity>\d+)\|(?<name>[^{}|\n]+)\|(?<type>[^{}|\n]+)\|(?<idk>[^{}|\n]*)\|'*\[\[(?<rewardName>[^[\]|}{]+)\|(?<rewardType>[^[\]|}{]+)\]\]'*}}/g;

function parseEventBox(eventName, info) {
  let event = {
    name: eventName,
    new_ships_construction: [],
    new_ships_skins: [],
    new_ships_others: [],
  };
  let match = null;
  while ((match = NEW_SHIP_REGEX.exec(info))) {
    match.groups.chance = match.groups.chance || match.groups.chance2;
    match.groups.time = match.groups.time || match.groups.time2;
    event.new_ships_construction.push({
      name: match.groups.name,
      rarity: SHIP_RARITY[match.groups.rarity],
      type: match.groups.type,
      construction_time: match.groups.time,
      construction_chance: match.groups.chance,
    });
  }
  while ((match = NEW_SHIP_SKIN_REGEX.exec(info))) {
    event.new_ships_skins.push({
      name: match.groups.name,
      rarity: SHIP_RARITY[match.groups.rarity],
      type: match.groups.type,
      series: match.groups.series,
      skin_name: match.groups.skin_name,
      currency: match.groups.currency,
      price: match.groups.price,
      L2D: !!match.groups.L2D,
      bgID: match.groups.bgID,
    });
    if (match.groups.idk && match.groups.idk !== "y") {
      console.log(eventName, match.groups.name);
    }
  }
  while ((match = NEW_SHIP_OTHER_REGEX.exec(info))) {
    event.new_ships_construction.push({
      name: match.groups.name,
      rarity: SHIP_RARITY[match.groups.rarity],
      type: match.groups.type,
      from: match.groups.rewardType,
    });
  }
  return event;
}

function title(title, localPath) {
  return fetch(
    "https://azurlane.koumakan.jp/w/index.php?title=" + encodeURIComponent(title) + "&action=raw",
    localPath
  );
}

function fetch(url, localPath) {
  return new Promise((resolve, reject) => {
    if (fs.existsSync(localPath)) resolve(fs.readFileSync(localPath, "utf8"));
    else
      nodefetch(url, {
        headers: HEADERS,
      })
        .then((res) => res.text())
        .then((text) => {
          fs.writeFileSync(localPath, text);
          resolve(text);
        })
        .catch(reject);
  });
}

refreshEvents();

const SHIP_RARITY = {
  1: "Unreleased",
  2: "Normal",
  3: "Rare",
  4: "Elite",
  5: "Super Rare",
};