import { encode } from "html-entities";

function execute(client, event, args) {
  var name = args.toLowerCase();

  var command = client.commands.filter(c=>(c.name.toLowerCase()==name || c.command.toLowerCase()==name))[0];
  var module = client.modules.filter(m=>m.name.toLowerCase()==name)[0];
  var specific = command ?? module ?? false;

  var config = client.cache.get(event.sender.roomId) ?? {};

  if(args != "") {
    if(!module) {
      client.reply(event, `Module "${args}" not found.\nRun "${process.env.PREFIX}help" for a list of commands and modules.`);
      return;
    }

    if(config[module.name] !== undefined)
      config[module.name] = !config[module.name];
    else
      config[module.name] = false;

    var state = (config[module.name] ? "En" : "Dis") + "abled";

    var reply = state + " " + module.name;
    var replyHTML = `<b>${state}</b> <code>${encode(module.name)}</code>`;

    client.cache.set(event.sender.roomId, config);
    client.reply(event, reply, replyHTML);
    return;
  }

  var modules = client.modules.map(m=>m.name);
  var enabled = modules.filter(m=>config[m]!==false);

  var reply = `enabled modules:\n${enabled.join(", ")}`;
  var replyHTML = `enabled modules:<br><code>${enabled.join("</code>, <code>")}</code>`;

  reply += `\navailable modules:\n${modules.join(", ")}`;
  replyHTML += `<br>available modules:<br><code>${modules.join("</code>, <code>")}</code>`;

  client.reply(event, reply, replyHTML);
}

export default {
  command: "toggle",
  name: "toggle",
  usage: "<module>",
  admin: true,
  desc: "toggle a module on or off in current channel",
  execute
}