require_dependency "pages_cms/application_controller"

module PagesCms
  class Admin::ImagesController < ApplicationController
    before_action :logged_in_admin
    before_action :selected_account

    def index
      @images = current_account.images
      @image  = current_account.images.build
    end

    def create
      if params[:image][:is_url]
        image = current_account.images.build(image_params)
        if image.save
          flash[:success] = 'Successfully uploaded file.'
          redirect_to admin_images_path
        else
          flash[:danger] = 'Failed to create file'
          redirect_to admin_images_path
        end
      else
        validate_image = Image.new(image_params)
        if validate_image.validate_file_type(params[:image][:file])
          user_named = params[:image][:name]
          uploaded_io = params[:image][:file]
          extension = uploaded_io.original_filename.split('.')[1]
          name = "#{Time.now.to_i}_#{user_named}.#{extension}"
          @image = current_account.images.build(file: "/images/#{name}", name: user_named)
          if @image.save
            File.open(Rails.root.join('public', 'images', name), 'wb') do |file|
              file.write(uploaded_io.read)
            end
            if File.exists?(Rails.root.join('public', 'images', name))
              flash[:success] = 'Successfully uploaded file.'
              redirect_to admin_images_path
            else
              @image.destroy
              flash[:danger] = 'Failed to create file'
              redirect_to admin_images_path
            end
          else
            flash[:danger] = "Error: #{@image.errors.full_messages.to_sentence}"
            redirect_to admin_images_path
          end
        else
          flash[:danger] = "Error #{validate_image.errors.full_messages.to_sentence}"
          redirect_to admin_images_path
        end
      end
    end

    def destroy
      image = Image.find(params[:id])
      image.destroy
      FileUtils.rm(Rails.root.join('public', 'images', image.file))
      flash[:success] = 'Image deleted'
      redirect_to admin_images_path
    end

    private
      def image_params
        params.require(:image).permit(:file, :name)
      end

  end
end