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;

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

    if(module) {
      var reply = module.name + "\n";
      reply += module.desc;

      var replyHTML = `<b>${encode(module.name)}</b><br>` +
      `<i>${encode(module.desc)}</i>`;

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

    var reply = command.name + "\n" +
    command.desc + "\n\n" +
    command.usage;

    var replyHTML = `<b>${encode(command.name)}</b><br>` +
    `<i>${encode(command.desc)}</i>` +
    `<br><code>${encode(command.usage)}</code>`;

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

  var reply = `commands: ${client.commands.map(m => m.name).join(", ")}\n` +
  `modules: ${client.modules.map(m => m.name).join(", ")}\n` +
  `run ${process.env.PREFIX}help <module/command> for more information.`;

  var replyHTML = `commands: <code>${client.commands.map(m => encode(m.name)).join("</code>, <code>")}</code><br>` +
  `modules: <code>${client.modules.map(m => encode(m.name)).join("</code>, <code>")}</code><br>` +
  encode(`run ${process.env.PREFIX}help <module/command> for more information.`);

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

export default {
  command: "help",
  name: "help",
  desc: "show list of commands and modules",
  execute
}