odinsea-elixir/lib/odinsea/world/guild.ex

defmodule Odinsea.World.Guild do
  @moduledoc """
  Guild management service.
  Ported from src/handling/world/guild/MapleGuild.java
  
  Manages guild state including members, ranks, skills, and alliance.
  Supports guild creation, joining, leaving, and rank management.
  """

  use GenServer

  require Logger

  alias Odinsea.Database.Repo
  import Ecto.Query

  @default_capacity 10
  @max_capacity 200
  @rank_titles ["Master", "Jr. Master", "Member", "Member", "Member"]
  @create_cost 500_000

  # ============================================================================
  # Data Structures
  # ============================================================================

  defmodule GuildCharacter do
    @moduledoc "Guild member representation"
    defstruct [
      :id, :name, :level, :job, :channel,
      :guild_rank, :alliance_rank, :guild_contribution,
      :online
    ]
  end

  defmodule GuildSkill do
    @moduledoc "Guild skill representation"
    defstruct [
      :skill_id, :level, :timestamp, :purchaser, :activators
    ]
  end

  defmodule BBSThread do
    @moduledoc "Guild BBS thread"
    defstruct [
      :thread_id, :local_id, :name, :content,
      :poster_id, :timestamp, :icon, :replies
    ]
  end

  # ============================================================================
  # Client API
  # ============================================================================

  def start_link(_) do
    GenServer.start_link(__MODULE__, [], name: __MODULE__)
  end

  @doc """
  Creates a new guild.
  Returns {:ok, guild_id} on success, {:error, reason} on failure.
  """
  def create_guild(leader_id, name) do
    GenServer.call(__MODULE__, {:create_guild, leader_id, name})
  end

  @doc """
  Gets a guild by ID.
  Returns the guild struct or nil if not found.
  """
  def get_guild(guild_id) do
    GenServer.call(__MODULE__, {:get_guild, guild_id})
  end

  @doc """
  Gets guild by member character ID.
  """
  def get_guild_by_character(character_id) do
    GenServer.call(__MODULE__, {:get_guild_by_character, character_id})
  end

  @doc """
  Adds a member to a guild.
  """
  def add_member(guild_id, character) do
    GenServer.call(__MODULE__, {:add_member, guild_id, character})
  end

  @doc """
  Removes a member from a guild (leave).
  """
  def leave_guild(guild_id, character_id) do
    GenServer.call(__MODULE__, {:leave_guild, guild_id, character_id})
  end

  @doc """
  Expels a member from a guild.
  """
  def expel_member(guild_id, expeller_id, target_id, target_name) do
    GenServer.call(__MODULE__, {:expel_member, guild_id, expeller_id, target_id, target_name})
  end

  @doc """
  Changes a member's guild rank.
  """
  def change_rank(guild_id, character_id, new_rank, changer_id) do
    GenServer.call(__MODULE__, {:change_rank, guild_id, character_id, new_rank, changer_id})
  end

  @doc """
  Changes guild rank titles.
  """
  def change_rank_titles(guild_id, titles, changer_id) do
    GenServer.call(__MODULE__, {:change_rank_titles, guild_id, titles, changer_id})
  end

  @doc """
  Changes the guild leader.
  """
  def change_leader(guild_id, new_leader_id, current_leader_id) do
    GenServer.call(__MODULE__, {:change_leader, guild_id, new_leader_id, current_leader_id})
  end

  @doc """
  Sets guild emblem.
  """
  def set_emblem(guild_id, bg, bg_color, logo, logo_color, changer_id) do
    GenServer.call(__MODULE__, {:set_emblem, guild_id, bg, bg_color, logo, logo_color, changer_id})
  end

  @doc """
  Sets guild notice.
  """
  def set_notice(guild_id, notice, changer_id) do
    GenServer.call(__MODULE__, {:set_notice, guild_id, notice, changer_id})
  end

  @doc """
  Increases guild capacity.
  """
  def increase_capacity(guild_id, leader_id, true_max \\ false) do
    GenServer.call(__MODULE__, {:increase_capacity, guild_id, leader_id, true_max})
  end

  @doc """
  Gains guild points (GP).
  """
  def gain_gp(guild_id, amount, character_id \\ nil, broadcast \\ true) do
    GenServer.call(__MODULE__, {:gain_gp, guild_id, amount, character_id, broadcast})
  end

  @doc """
  Sets member online status.
  """
  def set_online(guild_id, character_id, online, channel) do
    GenServer.call(__MODULE__, {:set_online, guild_id, character_id, online, channel})
  end

  @doc """
  Updates member info (level/job change).
  """
  def update_member(guild_id, character) do
    GenServer.call(__MODULE__, {:update_member, guild_id, character})
  end

  @doc """
  Disbands a guild.
  """
  def disband_guild(guild_id, leader_id) do
    GenServer.call(__MODULE__, {:disband_guild, guild_id, leader_id})
  end

  @doc """
  Gets guild skills.
  """
  def get_skills(guild_id) do
    GenServer.call(__MODULE__, {:get_skills, guild_id})
  end

  @doc """
  Purchases a guild skill.
  """
  def purchase_skill(guild_id, skill_id, purchaser_name, purchaser_id) do
    GenServer.call(__MODULE__, {:purchase_skill, guild_id, skill_id, purchaser_name, purchaser_id})
  end

  @doc """
  Activates a guild skill.
  """
  def activate_skill(guild_id, skill_id, activator_name) do
    GenServer.call(__MODULE__, {:activate_skill, guild_id, skill_id, activator_name})
  end

  @doc """
  Broadcasts a packet to all online guild members.
  """
  def broadcast(guild_id, packet, except_character_id \\ nil) do
    GenServer.cast(__MODULE__, {:broadcast, guild_id, packet, except_character_id})
  end

  @doc """
  Guild chat - sends message to all online guild members.
  """
  def guild_chat(guild_id, sender_name, sender_id, message) do
    GenServer.cast(__MODULE__, {:guild_chat, guild_id, sender_name, sender_id, message})
  end

  @doc """
  Sets alliance ID for a guild.
  """
  def set_alliance(guild_id, alliance_id, alliance_rank) do
    GenServer.call(__MODULE__, {:set_alliance, guild_id, alliance_id, alliance_rank})
  end

  # ============================================================================
  # Server Callbacks
  # ============================================================================

  @impl true
  def init(_) do
    # Load guilds from database on startup
    guilds = load_guilds_from_db()
    
    Logger.info("Guild service initialized with #{map_size(guilds)} guilds")
    {:ok, %{guilds: guilds}}
  end

  @impl true
  def handle_call({:create_guild, leader_id, name}, _from, state) do
    # Validate name
    cond do
      String.length(name) > 12 ->
        {:reply, {:error, :name_too_long}, state}
        
      String.length(name) < 3 ->
        {:reply, {:error, :name_too_short}, state}
        
      not valid_guild_name?(name) ->
        {:reply, {:error, :invalid_name}, state}
        
      true ->
        case create_guild_in_db(leader_id, name) do
          {:ok, guild_id} ->
            guild = create_new_guild_struct(guild_id, leader_id, name)
            new_state = %{state | guilds: Map.put(state.guilds, guild_id, guild)}
            
            Logger.info("Guild '#{name}' (ID: #{guild_id}) created by leader #{leader_id}")
            {:reply, {:ok, guild_id}, new_state}
            
          {:error, reason} ->
            {:reply, {:error, reason}, state}
        end
    end
  end

  @impl true
  def handle_call({:get_guild, guild_id}, _from, state) do
    {:reply, Map.get(state.guilds, guild_id), state}
  end

  @impl true
  def handle_call({:get_guild_by_character, character_id}, _from, state) do
    guild = state.guilds
    |> Map.values()
    |> Enum.find(fn g -> 
      Enum.any?(g.members, fn m -> m.id == character_id end)
    end)
    
    {:reply, guild, state}
  end

  @impl true
  def handle_call({:add_member, guild_id, character}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        if length(guild.members) >= guild.capacity do
          {:reply, {:error, :guild_full}, state}
        else
          # Create new member with rank 5 (lowest)
          member = %GuildCharacter{
            id: character.id,
            name: character.name,
            level: character.level,
            job: character.job,
            channel: character.channel_id || 1,
            guild_rank: 5,
            alliance_rank: if(guild.alliance_id > 0, do: 3, else: 0),
            guild_contribution: 0,
            online: true
          }
          
          updated_guild = %{guild | members: guild.members ++ [member]}
          
          # Save to database
          save_member_to_db(guild_id, member)
          
          # Broadcast new member to guild
          broadcast_new_member(updated_guild, member)
          
          # Gain GP for new member
          updated_guild = %{updated_guild | gp: guild.gp + 500}
          
          {:reply, {:ok, member}, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:leave_guild, guild_id, character_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        member = Enum.find(guild.members, fn m -> m.id == character_id end)
        
        if member do
          # Remove member
          members = Enum.reject(guild.members, fn m -> m.id == character_id end)
          
          # If leader leaves and there are members, promote next highest rank
          updated_guild = if guild.leader_id == character_id && length(members) > 0 do
            # Find highest ranked member (lowest rank number)
            new_leader = Enum.min_by(members, fn m -> m.guild_rank end)
            %{guild | members: members, leader_id: new_leader.id}
          else
            %{guild | members: members}
          end
          
          # Remove from database
          remove_member_from_db(guild_id, character_id)
          
          # Broadcast member left
          broadcast_member_left(updated_guild, member)
          
          # Deduct GP
          gp_loss = if member.guild_contribution > 0, do: -member.guild_contribution, else: -50
          updated_guild = %{updated_guild | gp: max(0, guild.gp + gp_loss)}
          
          # If no members left, mark for disband
          final_state = if length(members) == 0 do
            disband_guild_in_db(guild_id)
            %{state | guilds: Map.delete(state.guilds, guild_id)}
          else
            %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}
          end
          
          {:reply, :ok, final_state}
        else
          {:reply, {:error, :not_in_guild}, state}
        end
    end
  end

  @impl true
  def handle_call({:expel_member, guild_id, expeller_id, target_id, target_name}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        expeller = Enum.find(guild.members, fn m -> m.id == expeller_id end)
        target = Enum.find(guild.members, fn m -> m.id == target_id end)
        
        cond do
          not expeller || expeller.guild_rank > 2 ->
            {:reply, {:error, :no_permission}, state}
            
          not target || target.guild_rank <= expeller.guild_rank ->
            {:reply, {:error, :cannot_expel}, state}
            
          true ->
            # Remove member
            members = Enum.reject(guild.members, fn m -> m.id == target_id end)
            updated_guild = %{guild | members: members}
            
            # Remove from database
            remove_member_from_db(guild_id, target_id)
            
            # Send note if offline
            unless target.online do
              send_note(target_name, expeller.name, "You have been expelled from the guild.")
            end
            
            # Broadcast
            broadcast_member_expelled(updated_guild, target)
            
            # Deduct GP
            gp_loss = if target.guild_contribution > 0, do: -target.guild_contribution, else: -50
            updated_guild = %{updated_guild | gp: max(0, guild.gp + gp_loss)}
            
            {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:change_rank, guild_id, character_id, new_rank, changer_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        changer = Enum.find(guild.members, fn m -> m.id == changer_id end)
        target = Enum.find(guild.members, fn m -> m.id == character_id end)
        
        cond do
          not changer || changer.guild_rank > 2 ->
            {:reply, {:error, :no_permission}, state}
            
          new_rank <= 1 || new_rank > 5 ->
            {:reply, {:error, :invalid_rank}, state}
            
          new_rank <= 2 && changer.guild_rank != 1 ->
            {:reply, {:error, :no_permission}, state}
            
          not target ->
            {:reply, {:error, :member_not_found}, state}
            
          true ->
            # Update rank
            members = Enum.map(guild.members, fn m ->
              if m.id == character_id do
                %{m | guild_rank: new_rank}
              else
                m
              end
            end)
            
            updated_guild = %{guild | members: members}
            
            # Save to database
            update_rank_in_db(character_id, new_rank)
            
            # Broadcast
            broadcast_rank_changed(updated_guild, target, new_rank)
            
            {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:change_rank_titles, guild_id, titles, changer_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        changer = Enum.find(guild.members, fn m -> m.id == changer_id end)
        
        if not changer || changer.guild_rank != 1 do
          {:reply, {:error, :no_permission}, state}
        else
          updated_guild = %{guild | rank_titles: titles}
          
          # Save to database
          update_rank_titles_in_db(guild_id, titles)
          
          # Broadcast
          broadcast_rank_titles_changed(updated_guild, titles)
          
          {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:change_leader, guild_id, new_leader_id, current_leader_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      %{leader_id: actual_leader} when actual_leader != current_leader_id ->
        {:reply, {:error, :not_leader}, state}

      guild ->
        unless Enum.any?(guild.members, fn m -> m.id == new_leader_id end) do
          {:reply, {:error, :not_in_guild}, state}
        else
          # Update ranks: new leader -> 1, old leader -> 2
          members = Enum.map(guild.members, fn m ->
            cond do
              m.id == new_leader_id -> %{m | guild_rank: 1}
              m.id == current_leader_id -> %{m | guild_rank: 2}
              true -> m
            end
          end)
          
          updated_guild = %{guild | members: members, leader_id: new_leader_id}
          
          # Save to database
          update_leader_in_db(guild_id, new_leader_id)
          update_rank_in_db(new_leader_id, 1)
          update_rank_in_db(current_leader_id, 2)
          
          # Broadcast
          broadcast_leader_changed(updated_guild, new_leader_id)
          
          Logger.info("Guild #{guild_id} leader changed from #{current_leader_id} to #{new_leader_id}")
          {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:set_emblem, guild_id, bg, bg_color, logo, logo_color, changer_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        changer = Enum.find(guild.members, fn m -> m.id == changer_id end)
        
        if not changer || changer.guild_rank != 1 do
          {:reply, {:error, :no_permission}, state}
        else
          updated_guild = %{guild | 
            logo_bg: bg, 
            logo_bg_color: bg_color, 
            logo: logo, 
            logo_color: logo_color 
          }
          
          # Save to database
          update_emblem_in_db(guild_id, bg, bg_color, logo, logo_color)
          
          # Broadcast
          broadcast_emblem_changed(updated_guild)
          
          {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:set_notice, guild_id, notice, changer_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        changer = Enum.find(guild.members, fn m -> m.id == changer_id end)
        
        if not changer || changer.guild_rank > 2 do
          {:reply, {:error, :no_permission}, state}
        else
          updated_guild = %{guild | notice: String.slice(notice, 0, 100)}
          
          # Save to database
          update_notice_in_db(guild_id, updated_guild.notice)
          
          # Broadcast
          broadcast_notice_changed(updated_guild)
          
          {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:increase_capacity, guild_id, leader_id, true_max}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        max_cap = if true_max, do: @max_capacity, else: div(@max_capacity, 2)
        
        cond do
          guild.leader_id != leader_id ->
            {:reply, {:error, :not_leader}, state}
            
          guild.capacity >= max_cap ->
            {:reply, {:error, :max_capacity}, state}
            
          true ->
            new_capacity = min(guild.capacity + 5, max_cap)
            updated_guild = %{guild | capacity: new_capacity}
            
            # Save to database
            update_capacity_in_db(guild_id, new_capacity)
            
            # Broadcast
            broadcast_capacity_changed(updated_guild)
            
            {:reply, {:ok, new_capacity}, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
        end
    end
  end

  @impl true
  def handle_call({:gain_gp, guild_id, amount, _character_id, broadcast}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        new_gp = max(0, guild.gp + amount)
        updated_guild = %{guild | gp: new_gp}
        
        # Save to database
        update_gp_in_db(guild_id, new_gp)
        
        # Optionally broadcast
        if broadcast do
          broadcast_gp_changed(updated_guild, amount)
        end
        
        {:reply, {:ok, new_gp}, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
    end
  end

  @impl true
  def handle_call({:set_online, guild_id, character_id, online, channel}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        members = Enum.map(guild.members, fn m ->
          if m.id == character_id do
            %{m | online: online, channel: if(online, do: channel, else: -1)}
          else
            m
          end
        end)
        
        updated_guild = %{guild | members: members}
        
        # Broadcast online status to other members
        broadcast_member_online(updated_guild, character_id, online)
        
        {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
    end
  end

  @impl true
  def handle_call({:update_member, guild_id, character}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        members = Enum.map(guild.members, fn m ->
          if m.id == character.id do
            %{m | 
              level: character.level || m.level,
              job: character.job || m.job,
              channel: character.channel_id || m.channel
            }
          else
            m
          end
        end)
        
        updated_guild = %{guild | members: members}
        
        # Broadcast level/job change if applicable
        broadcast_member_info_updated(updated_guild, character)
        
        {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
    end
  end

  @impl true
  def handle_call({:disband_guild, guild_id, leader_id}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      %{leader_id: actual_leader} when actual_leader != leader_id ->
        {:reply, {:error, :not_leader}, state}

      guild ->
        # Broadcast disband
        broadcast_guild_disband(guild)
        
        # Remove from database
        disband_guild_in_db(guild_id)
        
        Logger.info("Guild #{guild_id} (#{guild.name}) disbanded")
        {:reply, :ok, %{state | guilds: Map.delete(state.guilds, guild_id)}}
    end
  end

  @impl true
  def handle_call({:set_alliance, guild_id, alliance_id, alliance_rank}, _from, state) do
    case Map.get(state.guilds, guild_id) do
      nil ->
        {:reply, {:error, :guild_not_found}, state}

      guild ->
        members = Enum.map(guild.members, fn m ->
          %{m | alliance_rank: alliance_rank}
        end)
        
        updated_guild = %{guild | alliance_id: alliance_id, members: members}
        
        # Save to database
        update_alliance_in_db(guild_id, alliance_id, alliance_rank)
        
        {:reply, :ok, %{state | guilds: Map.put(state.guilds, guild_id, updated_guild)}}
    end
  end

  @impl true
  def handle_cast({:broadcast, guild_id, packet, except_id}, state) do
    case Map.get(state.guilds, guild_id) do
      nil -> :ok
      guild ->
        Enum.each(guild.members, fn member ->
          if member.online && member.id != except_id do
            case Registry.lookup(Odinsea.CharacterRegistry, member.id) do
              [{pid, _}] -> send(pid, {:send_packet, packet})
              [] -> :ok
            end
          end
        end)
    end
    
    {:noreply, state}
  end

  @impl true
  def handle_cast({:guild_chat, guild_id, sender_name, sender_id, message}, state) do
    case Map.get(state.guilds, guild_id) do
      nil -> :ok
      guild ->
        Enum.each(guild.members, fn member ->
          if member.online && member.id != sender_id do
            # Check blacklist
            # TODO: Implement blacklist check
            
            case Registry.lookup(Odinsea.CharacterRegistry, member.id) do
              [{pid, _}] -> 
                packet = build_guild_chat_packet(sender_name, message)
                send(pid, {:send_packet, packet})
              [] -> :ok
            end
          end
        end)
    end
    
    {:noreply, state}
  end

  # ============================================================================
  # Database Functions (Stub implementations - would use Ecto)
  # ============================================================================

  defp load_guilds_from_db do
    # TODO: Implement actual database loading
    # For now, return empty map
    %{}
  end

  defp create_guild_in_db(leader_id, name) do
    # TODO: Implement database insert
    # Return a new guild ID
    {:ok, System.unique_integer([:positive])}
  end

  defp save_member_to_db(_guild_id, _member) do
    # TODO: Implement
    :ok
  end

  defp remove_member_from_db(_guild_id, _character_id) do
    # TODO: Implement
    :ok
  end

  defp update_rank_in_db(_character_id, _rank) do
    # TODO: Implement
    :ok
  end

  defp update_leader_in_db(_guild_id, _leader_id) do
    # TODO: Implement
    :ok
  end

  defp update_rank_titles_in_db(_guild_id, _titles) do
    # TODO: Implement
    :ok
  end

  defp update_emblem_in_db(_guild_id, _bg, _bg_color, _logo, _logo_color) do
    # TODO: Implement
    :ok
  end

  defp update_notice_in_db(_guild_id, _notice) do
    # TODO: Implement
    :ok
  end

  defp update_capacity_in_db(_guild_id, _capacity) do
    # TODO: Implement
    :ok
  end

  defp update_gp_in_db(_guild_id, _gp) do
    # TODO: Implement
    :ok
  end

  defp update_alliance_in_db(_guild_id, _alliance_id, _alliance_rank) do
    # TODO: Implement
    :ok
  end

  defp disband_guild_in_db(_guild_id) do
    # TODO: Implement
    :ok
  end

  defp send_note(_to_name, _from_name, _message) do
    # TODO: Implement note sending
    :ok
  end

  # ============================================================================
  # Helper Functions
  # ============================================================================

  defp valid_guild_name?(name) do
    # Only allow letters
    Regex.match?(~r/^[a-zA-Z]+$/, name)
  end

  defp create_new_guild_struct(guild_id, leader_id, name) do
    %{
      id: guild_id,
      name: name,
      leader_id: leader_id,
      gp: 0,
      logo: 0,
      logo_color: 0,
      logo_bg: 0,
      logo_bg_color: 0,
      capacity: @default_capacity,
      rank_titles: @rank_titles,
      notice: "",
      signature: System.system_time(:second),
      alliance_id: 0,
      members: [],
      skills: %{},
      bbs: %{}
    }
  end

  # ============================================================================
  # Broadcast Functions
  # ============================================================================

  defp broadcast_new_member(guild, member) do
    # TODO: Implement packet
    Logger.debug("Broadcast new member #{member.name} to guild #{guild.id}")
  end

  defp broadcast_member_left(guild, member) do
    Logger.debug("Broadcast member left #{member.name} to guild #{guild.id}")
  end

  defp broadcast_member_expelled(guild, member) do
    Logger.debug("Broadcast member expelled #{member.name} to guild #{guild.id}")
  end

  defp broadcast_rank_changed(guild, member, new_rank) do
    Logger.debug("Broadcast rank change for #{member.name} to #{new_rank} in guild #{guild.id}")
  end

  defp broadcast_rank_titles_changed(guild, titles) do
    Logger.debug("Broadcast rank titles changed in guild #{guild.id}: #{inspect(titles)}")
  end

  defp broadcast_leader_changed(guild, new_leader_id) do
    Logger.debug("Broadcast leader changed to #{new_leader_id} in guild #{guild.id}")
  end

  defp broadcast_emblem_changed(guild) do
    Logger.debug("Broadcast emblem changed in guild #{guild.id}")
  end

  defp broadcast_notice_changed(guild) do
    Logger.debug("Broadcast notice changed in guild #{guild.id}")
  end

  defp broadcast_capacity_changed(guild) do
    Logger.debug("Broadcast capacity changed to #{guild.capacity} in guild #{guild.id}")
  end

  defp broadcast_gp_changed(guild, amount) do
    Logger.debug("Broadcast GP change #{amount} in guild #{guild.id}")
  end

  defp broadcast_member_online(guild, character_id, online) do
    Logger.debug("Broadcast member #{character_id} online=#{online} in guild #{guild.id}")
  end

  defp broadcast_member_info_updated(guild, character) do
    Logger.debug("Broadcast member info update for #{character.id} in guild #{guild.id}")
  end

  defp broadcast_guild_disband(guild) do
    Logger.debug("Broadcast guild disband for #{guild.id}")
  end

  defp build_guild_chat_packet(_sender_name, _message) do
    # TODO: Implement proper packet
    <<>>
  end
end