class CommentsController < ApplicationController
  respond_to :html, :xml, :json
  before_filter :member_only, :only => [:update, :create]

  def index
    if params[:group_by] == "post"
      index_by_post
    else
      index_by_comment
    end
  end
  
  def update
    @comment = Comment.find(params[:id])
    @comment.update_attributes(params[:comment])
    respond_with(@comment)
  end
  
  def create
    @comment = Comment.new(params[:comment])
    @comment.post_id = params[:comment][:post_id]
    @comment.score = 0
    @comment.save
    respond_with(@comment) do |format|
      format.html do
        redirect_to post_path(@comment.post), :notice => "Comment posted"
      end
    end
  end
  
private
  def index_by_post
    @posts = Post.tag_match(params[:tags]).commented_before(params[:before_date] || Time.now).limit(8)
    respond_with(@posts) do |format|
      format.html {render :action => "index_by_post"}
    end
  end
  
  def index_by_comment
    @search = Comment.search(params[:search])
    @comments = @search.paginate(:page => params[:page])
    respond_with(@comments) do |format|
      format.html {render :action => "index_by_comment"}
    end
  end
end