<%= f.fields_for :value do |ff| %>
<%= ff.hidden_field :service, value: 'aws_s3' %>
<%= ff.fields_for :configs, configs do |fff| %>
<%= fff.label :access_key_id, 'Access key ID', class: 'label' %>
<%= fff.text_field :access_key_id, value: configs['access_key_id'], required: true, class: 'base-input' %>
<%= fff.label :secret_access_key, class: 'label' %>
<%= fff.password_field :secret_access_key, value: configs['secret_access_key'], required: true, class: 'base-input' %>
<%= fff.label :region, class: 'label' %>
<%= fff.text_field :region, value: configs['region'], required: true, class: 'base-input' %>
<%= fff.label :bucket, class: 'label' %>
<%= fff.text_field :bucket, value: value['service'] == 'aws_s3' ? configs['bucket'] : '', required: true, class: 'base-input' %>
<%= fff.label :endpoint, class: 'label' %>
<%= fff.text_field :endpoint, value: configs['endpoint'], type: :url, class: 'base-input' %>
<% end %>
<% end %>