require 'zip'
require 'stringio'


class FileProcessorJob
  include Sidekiq::Job

  def perform(inn, output_path)
    Rails.logger.info "=== Начало загрузки для ИНН: #{inn} ==="
    download_inn(inn, output_path)
    Rails.logger.info "=== Завершено для ИНН: #{inn} ==="
  rescue => e
    Rails.logger.error "=== ОШИБКА: #{e.message} ==="
    Rails.logger.error e.backtrace.first(5).join("\n")
    raise
  end

  private

  def get_content(url, json_need = false)
    headers = {
      'User-Agent' => "Mozilla/5.0 (Windows NT 10.0; Win64; x64)",
      'Accept-Language' => 'en-US,en;q=0.9',
      'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
    }
    content = HTTParty.get(url, headers: headers).body
    json_need ? JSON.parse(content) : content
  end

  def download_inn(inn, output)
    url = "https://bo.nalog.gov.ru/advanced-search/organizations/search?query=#{inn}&page=0&size=20"
    content = get_content(url, true)
    id = content['content'][0]['id']

    url = "https://bo.nalog.gov.ru/nbo/organizations/#{id}/bfo/"
    content = get_content(url, true)
    periods_and_details_ids = content.map { |item| [item['period'], item['typeCorrections'][0]['correction']['id']] }

    periods_and_details_ids.each do |period, details_id|
      url = "https://bo.nalog.gov.ru/download/bfo/#{id}?auditReport=false&balance=true"\
            "&capitalChange=true&clarification=false&targetedFundsUsing=false&detailsId=#{details_id}"\
            "&financialResult=true&fundsMovement=true&type=XLS&period=#{period}"
      content = get_content(url)

      zip_file = Zip::File.open_buffer(StringIO.new(content))
      zip_file.each do |entry|
        output_file = File.join(output, entry.name)
        FileUtils.mkdir_p(File.dirname(output_file))
        zip_file.extract(entry, output_file) { true } # перезаписывать если существует
      end
    end
  end
end