Add nick command

ChaosBot/Discord/Modules/LodestoneCommands.cs

@@ -5,8 +5,10 @@ using Discord.Commands;
 using System.Threading.Tasks;
 using System.Collections.Generic;
 using System.Linq;
+using ChaosBot.Database;
 using ChaosBot.Lodestone;
 using ChaosBot.Services;
+using Discord.Net;
 using Microsoft.Extensions.Configuration;
 using NLog;
 
@@ -106,6 +108,95 @@ namespace ChaosBot.Discord.Modules
             }
         }
 
+        [Command("nick set")]
+        [Alias("lodestone nick set")]
+        [RequireBotPermission(GuildPermission.ManageNicknames)]
+        public async Task SetNickname(string server, params string[] name)
+        {
+            await Context.Channel.TriggerTypingAsync();
+            CharacterDetailed character = LodestoneManager.GetCharacter(server, string.Join(" ", name));
+            await NickNameBuilder(character);
+        }
+
+        [Command("nick set")]
+        [Alias("lodestone nick set")]
+        [RequireBotPermission(GuildPermission.ManageNicknames)]
+        public async Task SetNickname(long id)
+        {
+            await Context.Channel.TriggerTypingAsync();
+            CharacterDetailed character = LodestoneManager.GetCharacter(id);
+            await NickNameBuilder(character);
+        }
+
+        private async Task NickNameBuilder(CharacterDetailed character)
+        {
+            try
+            {
+                IUserMessage message =
+                    await ReplyAsync(
+                        $"Found character {character.Character.Name} on server {character.Character.Server}. Is this correct?");
+                List<(Emoji emoji, bool state)> reactions = new List<(Emoji emoji, bool state)>
+                {
+                    (emoji: new Emoji("✅"), state: true),
+                    (emoji: new Emoji("❎"), state: false)
+                };
+
+                foreach ((Emoji emoji, bool state) reaction in reactions)
+                    await message.AddReactionAsync(reaction.emoji);
+
+                int timerWaitId = -1,
+                    timerCancelWaitId = -1;
+
+                async void WaitForReaction()
+                {
+                    foreach ((Emoji emoji, bool state) reaction in reactions)
+                    {
+                        IReadOnlyCollection<IUser> users = (await message.GetReactionUsersAsync(reaction.emoji, 50, null).ToArrayAsync()).First();
+                        if (users.Any(u => u.Id == Context.User.Id))
+                        {
+                            bool state = reaction.state;
+
+                            Timer.CancelTimer(timerWaitId);
+                            Timer.CancelTimer(timerCancelWaitId);
+                            await message.DeleteAsync();
+
+                            if (state)
+                            {
+                                await ReplyAsync("Confirmed your username!");
+                                IGuildUser user = await Context.Guild.GetUserAsync(Context.User.Id);
+                                try
+                                {
+                                    await user.ModifyAsync(x => { x.Nickname = character.Character.Name; });
+                                }
+                                catch (HttpException ex)
+                                {
+                                    await ReplyAsync("Cannot update your role. Is your role above mine?");
+                                    _logger.Warn($"LodestoneCommands.NickNameBuilder.WaitForReaction: Exception [{ex}] thrown, <[{ex.Message}]>.");
+                                }
+
+                                return;
+                            }
+                        }
+                    }
+                }
+
+                async void StopWaitingForReaction()
+                {
+                    await message.DeleteAsync();
+                    await ReplyAsync("Timed out. Please try again.");
+
+                    Timer.CancelTimer(timerWaitId);
+                }
+
+                timerWaitId = Timer.RunTimer(WaitForReaction, new TimeSpan(TimeSpan.TicksPerSecond));
+                timerCancelWaitId = Timer.RunIn(StopWaitingForReaction, new TimeSpan(TimeSpan.TicksPerSecond)*20.5);
+            }
+            catch (Exception ex)
+            {
+                _logger.Error($"LodestoneCommands.NickNameBuilder: Exception [{ex}] thrown, <[{ex.Message}]>.");
+            }
+        }
+
         private static EmbedBuilder BuildEmbedFromFreeCompany(FreeCompanyDetailed freeCompany)
         {
             var sb = new StringBuilder();