DiscoBot/Commands/Help.cs


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using System.Linq;

namespace DiscoBot.Commands
{
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Threading.Tasks;

    using DiscoBot.Auxiliary;

    using Discord.Commands;

    using Newtonsoft.Json;

    using CommandInfo = DiscoBot.Auxiliary.CommandInfo;

    public class Help : ModuleBase
    {
        static Help()
        {
            TextReader stream = new StreamReader(@"..\..\Help.json"); // Load command-description file
            var reader = new JsonTextReader(stream); // create stream reader

            reader.Read(); // step into structure, until the array starts
            reader.Read();
            reader.Read();
            var test = new JsonSerializer().Deserialize<List<CommandInfo>>(reader); // Deserialize Data and create CommandInfo Struct
            Commands.AddRange(test); // Add new CommandInfos to List
        }

        public static List<CommandInfo> Commands { get; } = new List<CommandInfo>();

        [Command("help"), Summary("prints the help menu.")]
        public async Task ShowHelpAsync(string command = "")
        {
            if (command.Equals(string.Empty)) // return generic Help
            {
                await this.ReplyAsync("```\n[hilfreiche Erklärungen]\nAuflistung aller Commands mit !list commands\n```");
                return;
            }

            // return command specific help
            var com = Commands.OrderBy(x => SpellCorrect.CompareEasy(x.Name, command)).First(); // get best fit command

            await this.ReplyAsync("```\n" + com.Name + "\n" + com.Description + "\n```");
        }
    }
}