class PostsController < ApplicationController
  before_action :user_is_employee?, except: [:blog, :show]
  before_action :set_post, only: [:edit, :update, :destroy]
  layout "admin", except: [:blog, :show]

  def index
    @posts = Post.all
  end

  def blog
    @posts = Post.all.order(created_at: :asc)
  end

  def show
    @post = Post.find_by_slug(params[:id])
    if @post
      @category = @post.category
      @related = Post.where(category: @category).shuffle.take(2)
    else
      record_not_found
    end
  end

  def new
    @post = Post.new
  end

  def edit
  end

  def create
    @post = Post.new(post_params)

    respond_to do |format|
      if @post.save
        format.html { redirect_to "/blog/#{@post.slug}" }
        format.json { render :show, status: :created, location: @post }
      else
        format.html { render :new }
        format.json { render json: @post.errors, status: :unprocessable_entity }
      end
    end
  end

  def update
    respond_to do |format|
      if @post.update(post_params)
        format.html { redirect_to "/blog/#{@post.slug}" }
        format.json { render :show, status: :ok, location: @post }
      else
        format.html { render :edit }
        format.json { render json: @post.errors, status: :unprocessable_entity }
      end
    end
  end

  def destroy
    @post.destroy
    respond_to do |format|
      format.html { redirect_to posts_url }
      format.json { head :no_content }
    end
  end

  private
    def set_post
      @post = Post.find(params[:id])
    end

    def post_params
      params.require(:post).permit(:title, :description, :cover, :category, :body)
    end

    def record_not_found
      render :file => 'public/404.html', :status => :not_found, :layout => false
    end
end