.row
  .col-md-8
    %h2 Bulk Email
    %p Send customized emails to registered users based on their registration status.

    = form_tag send_bulk_admin_conference_emails_path(@conference.short_title), method: :post, class: 'form-horizontal' do
      .form-group
        = label_tag :subject, 'Subject', class: 'col-sm-2 control-label'
        .col-sm-10
          = text_field_tag :subject, params[:subject], class: 'form-control', required: true

      .form-group
        = label_tag :body, 'Body', class: 'col-sm-2 control-label'
        .col-sm-10
          = text_area_tag :body, params[:body], rows: 10, class: 'form-control', required: true
          %p.help-block You can use the following variables in your email: {name}, {conference}, {registrationlink}

      .form-group
        = label_tag :filter_type, 'Send to', class: 'col-sm-2 control-label'
        .col-sm-10
          = select_tag :filter_type, options_for_select([
            ['All registered users', 'all_registered'],
            ['Users who haven\'t answered any questions', 'no_questions_answered'],
            ['Users who answered some but not all questions', 'some_questions_answered'],
            ['Users who answered all questions', 'all_questions_answered']
          ], params[:filter_type]), { class: 'form-control', required: true }

      - if @questions.any?
        .form-group
          .col-sm-offset-2.col-sm-10
            %h4 Registration Questions
            %ul
              - @questions.each do |question|
                %li= question.title

      .form-group
        .col-sm-offset-2.col-sm-10
          = submit_tag 'Send Bulk Email', class: 'btn btn-primary', data: { confirm: 'Are you sure you want to send this email to all selected recipients?' }
          = link_to 'Cancel', admin_conference_emails_path(@conference.short_title), class: 'btn btn-default'

  .col-md-4
    .panel.panel-default
      .panel-heading
        %h4 Recipient Preview
      .panel-body
        %p
          %strong All registered users:
          = @conference.registrations.count
        - if @questions.any?
          %p
            %strong No questions answered:
            = @registrations.select { |r| r.qanswers.empty? }.count
          %p
            %strong Some questions answered:
            = @registrations.select { |r| r.qanswers.any? && r.qanswers.count < @questions.count }.count
          %p
            %strong All questions answered:
            = @registrations.select { |r| r.qanswers.count >= @questions.count }.count
        - else
          %p
            %em No registration questions configured for this conference.