class Public::DocumentsController < ApplicationController

  layout "public"

  before_filter :auth_customer
  before_filter :check_enabled
  before_filter :check_owner

  def index

    @documents = @accepted_offer.documents

  end

  def download
    if !params[:admin]
      @document = @accepted_offer.documents.find(params[:id])
    else
      @document = Document.find(params[:id])
    end
    if !params[:admin]
      if @document.state == 'document_available'
        @document.state = :document_downloaded
        @document.save

        admins = Admin.where.not(email: nil)
        admins.each do |admin|
          AdminMailer.customer_download_document(admin,   @document, current_customer).deliver
        end
      end
    end
    if @document.particulars
      @temp_file = "#{Rails.root}/pdf/documents/#{@document.id}_temp.pdf"
      @final_file = "#{Rails.root}/pdf/documents/#{@document.id}.pdf"
      @final_file2 = "#{Rails.root}/pdf/documents/#{@document.id}-2.pdf"
    
    
      view = ActionView::Base.new(Rails.root.join('app/views'))
      view.class.include ApplicationHelper
      view.class.include Rails.application.routes.url_helpers

      pdf = view.render( 
              :pdf => "#{@document.id}",
              :template => "public/documents/particulars.html.haml",  
              
              :locals => {:@document => @document})
                                          
      # then save to a file
      pdf = WickedPdf.new.pdf_from_string(pdf, :margin =>  {   top:               0,                     # default 10 (mm)
                                          bottom:            0,
                                          left:              0,
                                          right:             0 })

      save_path = @temp_file
      File.open(save_path, 'wb') do |file|
      file << pdf
      end
      
      
      
      require 'posix/spawn'
     
      ::POSIX::Spawn::Child.new 'pdftk', @document.document.file.path, 'background',@temp_file , 'output',  @final_file
    
      ::POSIX::Spawn::Child.new 'pdftk', "A="+@document.document.file.path, 'B='+@final_file ,"cat", "B1", "A2-end", 'output',  @final_file2
      
      
      #pdftk A=/Users/nico/Dev/negos_app/pdf_stamp/contrat.pdf B=/Users/nico/Dev/negos_app/pdf/documents/3.pdf cat B1 A2-end output fichier-final.pdf
      
      
      @data_to_send = File.open( @final_file2).read
      
      send_data @data_to_send, :filename =>"negos-document-#{@document.id}.pdf" , :type => 'application/pdf',:disposition => (params[:inline] ? 'inline' : "attachment")
  
      
      
      
      
      #render :inline => "j"
    else
      send_file @document.document.file.path
    end

  end

  def download_returned
    @document = @accepted_offer.documents.find(params[:id])
    send_file @document.returned_document.file.path

  end

  def destroy_returned
    @document = @accepted_offer.documents.find(params[:id])
    if @document.returned_document?
      @document.remove_returned_document!
    end
    @document.state = :document_downloaded
    if @document.save
      flash[:success] = "Document chargé"
    else
      flash[:success] = "Impossible de supprimer le document"
    end
    redirect_to :back

  end


  def upload_returned
    if !params[:returned_document]
      flash[:error] = "Vous devez sélectionner un fichier"
    else

      @document = @accepted_offer.documents.find(params[:id])
      @document.returned_document = params[:returned_document]
      if @document.save
        @document.state = :document_returned
        @document.save
        admins = Admin.where.not(email: nil)
        admins.each do |admin|
          AdminMailer.customer_upload_document(admin,   @document, current_customer).deliver
        end
        flash[:success] = "Document chargé"
      else
        flash[:error] = "Impossible de charger le document"
      end
    end
    redirect_to :back

  end

  def check_owner
    if !params[:admin]
      @accepted_offer = AcceptedOffer.find(params[:accepted_offer_id])

      if @accepted_offer.customer.id != current_customer.id
        flash[:error] = "Vous n'avez pas la permission d'accéder à cette page"
        redirect_back_or_default :root
      end
    end
  end
end