module BootstrapForm::Components::Labels

def generate_label(id, name, options, custom_label_col, group_layout)
  return if options.blank?
  # id is the caller's options[:id] at the only place this method is called.
  # The options argument is a small subset of the options that might have
  # been passed to generate_label's caller, and definitely doesn't include
  # :id.
  options[:for] = id if acts_like_form_tag
  options[:class] = label_classes(name, options, custom_label_col, group_layout)
  options.delete(:class) if options[:class].none?
  label(name, label_text(name, options), options.except(:text))
end

def label_classes(name, options, custom_label_col, group_layout)
  classes = ["form-label", options[:class], label_layout_classes(custom_label_col, group_layout)]
  classes << "required" if required_field_options(options, name)[:required]
  options.delete(:required)
  classes << "text-danger" if label_errors && error?(name)
  classes.flatten.compact
end

def label_layout_classes(custom_label_col, group_layout)
  if layout_horizontal?(group_layout)
    ["col-form-label", (custom_label_col || label_col)]
  elsif layout_inline?(group_layout)
    ["mr-sm-2"]
  end
end

def label_text(name, options)
  if label_errors && error?(name)
    (options[:text] || object.class.human_attribute_name(name)).to_s + " #{get_error_messages(name)}"
  else
    options[:text] || object&.class.try(:human_attribute_name, name)
  end
end