import { Helper, BotManager, Context, User, Message } from "../Core";
import { Bot } from "../Bot";
import { Matcher } from '../Matcher';
const Rx = require("rx").Rx;
const typofix = require("typofix");


export class dym {
    static pluginName: string = "auth";
    static description: string = "Authorization and Role Manager";

    static apply(bot: Bot) {
        bot.miss$
            .do((msg) => {
                var commands = bot.respondsTo();
                typofix.pushNewWords(commands);

                var suggestions = [];
                msg.text.split(' ').forEach(word => {
                    var correction = typofix.suggest(word);
                    if (correction.length > 0) {
                        var newCommand = msg.text.replace(word, correction[0]);
                        var result = Matcher.findMatchFromListOfCommands(commands, msg.user,
                            newCommand,
                            bot._id);
                        if (result.match) {
                            suggestions.push(newCommand);
                        }
                    }
                });

                msg.suggestions = suggestions;
            })
            .where(msg => msg.suggestions.length > 0)
            .reply(msg => 'did you mean `' + msg.suggestions[0] + '`')
            .subscribe();
    }
};