require_dependency "almanac/application_controller"

module Almanac
  class PostsController < ApplicationController
    load_and_authorize_resource class: Almanac::Post
    respond_to :html
    before_filter :only => [:edit, :update, :delete] do |controller|
      @post = Post.find(params[:id])
    end

    def index
      @posts = (@blog.nil?) ? [] : Post.recent(params)
      @drafts = (@blog.nil? or current_user.nil?) ? [] : Post.drafts(params)

      respond_with(@posts) do |format|
        if @blog.nil?
          unless current_user.nil?
            format.html { redirect_to new_blog_path }
          end
        else
          format.html
          format.rss { render :layout => false }
        end
      end
    end

    def tag
      @posts = (@blog.nil?) ? [] : Post.tagged(params)
      @tag = params[:tag_name]

      respond_with(@posts) do |format|
        if @blog.nil?
          unless current_user.nil?
            format.html { redirect_to new_path }
          end
        else
          format.html
          format.rss { render :layout => false }
        end
      end
    end

    def show
      @post = Post.find_by_slug(params[:slug])
      if @post.nil? and not params[:slug].empty?
        redirect_to edit_post_path(params[:slug]), :notice => "Your post has to have a slug."
        return
      end

      if @post.published
        @comments = @post.comments.where(:spam => false)
      end

      respond_with(@post) do |format|
        format.html
      end
    end

    def draft
      @post = Post.find(params[:id])

      respond_with(@post) do |format|
        format.html
      end
    end

    def new
      @post = Post.new
      @post.id = 0
      @images = @post.images

      respond_with(@post) do |format|
        format.html
      end
    end

    def create
      @post = Post.new(params[:post])
      @post.blog = Almanac::Blog.first
      @post.author_id = current_user.id

      respond_with(@post) do |format|
        if @post.save
          format.html { redirect_to :root, :notice => 'Post was successfully created.' }
        else
          @post.id = 0
          format.html { render :action => "new", :alert => 'Something went wrong, try again.' }
        end
      end
    end

    def edit
      respond_to do |format|
        format.html
      end
    end

    def update
      @post.blog = Almanac::Blog.first

      respond_with(@post) do |format|
        if @post.update_attributes(params[:post])
          format.html { redirect_to :root, :notice => 'Post was successfully updated.' }
        else
          format.html { render :action => "edit" }
        end
      end
    end

    def destroy
      post_id = @post.id
      respond_to do |format|
        if @post.destroy
          format.html { redirect_to :root, :notice => 'Post was successfully deleted.' }
          format.js { render :nothing => true }
        else
          format.html { redirect_to post_path(@post), :alert => 'Something went wrong, try again.' }
        end
      end
    end
  end
end