wb = xlsx_package.workbook

header = wb.styles.add_style :b => true, :bg_color => Stylesheet.primary.upcase.gsub('#', 'FF'), :fg_color => 'FFFFFFFF'
date = wb.styles.add_style :format_code => Rails.application.secrets.excel_date_format

wb.add_worksheet(name: t('export_members.members')) do |sheet|

  ## data table
  # heading labels
  columns = [t('export_members.id'),
             t('export_members.surname'),
             t('export_members.first_name'),
             t('export_members.email'),
             t('export_members.newsletter'),
             t('export_members.gender'),
             t('export_members.age'),
             t('export_members.address'),
             t('export_members.phone'),
             t('export_members.website'),
             t('export_members.job'),
             t('export_members.interests'),
             t('export_members.cad_software_mastered'),
             t('export_members.group'),
             t('export_members.subscription'),
             t('export_members.subscription_end_date'),
             t('export_members.validated_trainings'),
             t('export_members.tags'),
             t('export_members.number_of_invoices'),
             t('export_members.projects'),
             t('export_members.facebook'),
             t('export_members.twitter'),
             t('export_members.echo_sciences'),
             t('export_members.organization'),
             t('export_members.organization_address')]
  sheet.add_row columns, :style => header

  # data rows
  @members.each do |member|
    data = [
        member.id,
        member.profile.last_name,
        member.profile.first_name,
        member.email,
        member.is_allow_newsletter,
        member.profile.gender ? t('export_members.man') : t('export_members.woman'),
        member.profile.age,
        member.profile.address ? member.profile.address.address : '',
        member.profile.phone,
        member.profile.website,
        member.profile.job,
        member.profile.interest,
        member.profile.software_mastered,
        member.group.name,
        (member.subscription and member.subscription.expired_at > Time.now) ? member.subscription.plan.name : t('export_members.without_subscriptions'),
        (member.subscription and member.subscription.expired_at > Time.now) ? member.subscription.expired_at.to_date : nil,
        member.trainings.map(&:name).join("\n"),
        member.tags.map(&:name).join("\n"),
        member.invoices.size,
        member.projects.map(&:name).join("\n"),
        member.profile.facebook || '',
        member.profile.twitter || '',
        member.profile.echosciences || '',
        member.profile.organization ? member.profile.organization.name : '',
        member.profile.organization ? member.profile.organization.address.address : ''
    ]
    styles = [nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, date, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil]

    types = [:integer, :string, :string, :string, :boolean, :string, :integer, :string, :string, :string, :string, :string,
             :string, :string, :string, :date, :string, :string, :integer, :boolean, :string, :string, :string, :string, :string, :string]

    sheet.add_row data, :style =>  styles, :types => types
  end
end