#The MIT License (MIT)
#
#Copyright (c) 2016 - 2026 rick barrette
#
#Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
#
#The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
class InvoiceController < ApplicationController
  
  include AuthHelper
  require 'combine_pdf'

  before_action :require_user, unless: proc {|c| session[:token].nil? }
  skip_before_action :verify_authenticity_token, :check_if_login_required, unless: proc {|c| session[:token].nil? }
  
  #
  # Downloads and forwards the invoice pdf
  #
  def show
    logger.info("Processing request for URL: #{request.original_url}") 
    begin
      qbo = Qbo.first
        qbo.perform_authenticated_request do |access_token|
        service = Quickbooks::Service::Invoice.new(company_id: qbo.realm_id, access_token: access_token)
        
        # If multiple id's then pull each pdf & combine them
        if params[:invoice_ids]
          logger.info("Grabbing pdfs for " + params[:invoice_ids].join(', '))
          ref = ""
          params[:invoice_ids].each do |i|
            logger.info("processing " + i)
            invoice = service.fetch_by_id(i)
            ref += " #{invoice.doc_number}"
            @pdf << CombinePDF.parse(service.pdf(invoice)) unless @pdf.nil?
            if @pdf.nil?
              @pdf = CombinePDF.parse(service.pdf(invoice))
            end
          end
          @pdf = @pdf.to_pdf
        else
          invoice = service.fetch_by_id(params[:id])
          @pdf = service.pdf(invoice)
          ref = invoice.doc_number
        end

        send_data @pdf, filename: "invoice #{ref}.pdf", disposition: :inline, type: "application/pdf"
      end
    rescue
      redirect_to :back, flash: { error: I18n.t(:notice_invoice_not_found) }
    end
  end
end
