class Muck::FriendsController < ApplicationController
  unloadable

  before_filter :login_required, :except => [:index]
  before_filter :get_user_and_target, :except => [:index]
  
  def index
    @user = User.find(params[:user_id]) rescue current_user
    respond_to do |format|
      format.html { render :template => 'friends/index' }
    end
  end
  
  def create
    respond_to do |format|
      if Friend.make_friends(@user, @target)
        friend = current_user.reload.friend_of?(@target)
        format.html do
          if GlobalConfig.enable_following
            flash[:notice] = t('muck.friends.you_are_now_following', :user => @target.display_name)
          else
            flash[:notice] = t('muck.friends.friend_request_sent')
          end             
          redirect_to profile_path(@target)
        end
        format.js { render(:update) {|page| page.replace make_id(@user, @target), friend_link(@user, @target)}}
      else
        if GlobalConfig.enable_following
          message = t('muck.friends.problem_adding_follow', :user => @target.display_name)
        else
          message = t('muck.friends.problem_sending_friend_request', :user  => @target.display_name)
        end
        format.html do
          flash[:notice] = message
          redirect_to profile_path(@target)
        end
        format.js {render(:update){|page| page.alert message}}
      end
    end
  end

  def destroy
    success = @user.drop_friend(@target)
    if GlobalConfig.enable_friending 
      if success
        message = t('muck.friends.removed_friendship', :user => @target.display_name)
      else
        message = t('muck.friends.removed_friendship_error', :user => @target.display_name)
      end
    elsif GlobalConfig.enable_following
      if success
        message = t('muck.friends.stopped_following', :user => @target.display_name)
      else
        message = t('muck.friends.removed_following_error', :user => @target.display_name)
      end
    end
    respond_to do |format|
      format.html do
        flash[:notice] = message
        redirect_to profile_path(@target)
      end
      format.js do
        if success
          render(:update){|page| page.replace make_id(@user, @target), friend_link(@user, @target)}
        else
          format.js {render(:update){|page| page.alert message}}
        end
      end
    end
  end
  
  protected
  
  def make_id(user, target)
    user.dom_id(target.dom_id + '_friendship_')
  end
  
  def get_user_and_target
    if admin? && params[:user_id]
      @user = User.find(params[:user_id]) rescue current_user
    else
      @user = current_user
    end
    @target = User.find(params[:id])
  end
  
end