const Command = require("../lib/command.js");
const CATEGORY = "misc";

const fetch = require("node-fetch");
const {safeString, parseHtmlEntities} = require("../lib/utils.js");

const yt = new Command("youtube");
yt.addAlias("yt");
yt.category = CATEGORY;
yt.helpText = "Search YouTube";
yt.usage = "[search term]";
yt.callback = async function (msg, line) {
  if (!line) return "Arguments are required.";

  const req = await fetch(
    `https://www.googleapis.com/youtube/v3/search?key=${
      hf.apikeys.google
    }&maxResults=5&part=snippet&type=video&q=${encodeURIComponent(line)}`
  ).then((x) => x.json());

  const topVid = req.items[0];

  let out = `**${safeString(
    parseHtmlEntities(topVid.snippet.title)
  )}** | \`${safeString(
    parseHtmlEntities(topVid.snippet.channelTitle)
  )}\`\nhttps://youtu.be/${topVid.id.videoId}\n\n**__See Also:__**\n`;

  for (let i = 1; i < req.items.length; i++) {
    const vid = req.items[i];
    out += `- **${safeString(
      parseHtmlEntities(vid.snippet.title)
    )}** | By: \`${safeString(
      parseHtmlEntities(vid.snippet.channelTitle)
    )}\` | <https://youtu.be/${vid.id.videoId}>\n`;
  }

  return out;
};
hf.registerCommand(yt);

const fyt = new Command("fyt");
fyt.category = CATEGORY;
fyt.helpText = "Search YouTube and take the first result.";
fyt.usage = "[search term]";
fyt.callback = async function (msg, line) {
  if (!line) return "Arguments are required.";

  const req = await fetch(
    `https://www.googleapis.com/youtube/v3/search?key=${
      hf.apikeys.google
    }&maxResults=2&part=snippet&type=video&q=${encodeURIComponent(line)}`
  ).then((x) => x.json());

  const vid = req.items[0];

  return `**${safeString(
    parseHtmlEntities(vid.snippet.title)
  )}** | \`${safeString(
    parseHtmlEntities(vid.snippet.channelTitle)
  )}\`\nhttps://youtu.be/${vid.id.videoId}`;
};
hf.registerCommand(fyt);

const WA_NO_ANSWER = "<:ms_cross:503341994974773250> No answer.";

const wolfram = new Command("wolfram");
wolfram.category = CATEGORY;
wolfram.helpText = "Search YouTube and take the first result.";
wolfram.usage = "<-v> [query]";
wolfram.addAlias("wa");
wolfram.callback = async function (msg, line, verboseFlag, _query) {
  let verbose = false;

  let query = _query;

  if (verboseFlag == "-v" && _query) {
    verbose = true;
  }

  if (!_query) {
    query = verboseFlag;
  }

  const req = await fetch(
    `http://api.wolframalpha.com/v2/query?input=${encodeURIComponent(
      query
    )}&appid=LH2K8H-T3QKETAGT3&output=json`
  ).then((x) => x.json());

  const data = req.queryresult.pods;

  if (!data) return WA_NO_ANSWER;

  // fake no answer
  if (data[0].subpods[0].plaintext.includes("geoIP")) return WA_NO_ANSWER;

  if (verbose) {
    const embed = {
      title: `Result for: \`${safeString(query)}\``,
      fields: [],
      footer: {
        icon_url: "http://www.wolframalpha.com/share.png",
        text: "Powered by Wolfram Alpha",
      },
      image: {
        url: data[1].subpods[0].img.src,
      },
    };

    const extra = data.slice(1, 6);
    for (const x in extra) {
      embed.fields.push({
        name: extra[x].title,
        value: `[${
          extra[x].subpods[0].plaintext.length > 0
            ? extra[x].subpods[0].plaintext
            : "<click for image>"
        }](${extra[x].subpods[0].img.src})`,
        inline: true,
      });
    }

    return {embed};
  } else {
    return `\`${safeString(query)}\` -> ${
      data[1].subpods[0].plaintext.length > 0
        ? safeString(data[1].subpods[0].plaintext)
        : data[1].subpods[0].img.src
    }`;
  }
};
hf.registerCommand(wolfram);