const fetch = require("node-fetch");
const Command = require("../../classes/command.js");

class XKCDCommand extends Command {
  async run() {
    const url = this.args.length > 0 && this.args[0].match(/^\d+$/) ? `http://xkcd.com/${this.args[0]}/info.0.json` : "http://xkcd.com/info.0.json";
    try {
      const request = await fetch(url);
      const json = await request.json();
      const embed = {
        "embed": {
          "title": json.safe_title,
          "url": `https://xkcd.com/${json.num}`,
          "color": 16711680,
          "description": json.alt,
          "image": {
            "url": json.img
          }
        }
      };
      return embed;
    } catch {
      return "I couldn't get that XKCD!";
    }
  }

  static description = "Gets an XKCD comic";
  static arguments = ["{id}"];
}

module.exports = XKCDCommand;