module Admin::ConfigurationHelper

def definition_for(key)
  if setting = setting_for(key)
    setting.definition
  end
end

def edit_config(key, options={})
  setting = setting_for(key)
  domkey = key.gsub(/\W/, '_')
  name = "trusty_config[#{key}]"
  title = t("trusty_config.#{key}").titlecase
  title << content_tag(:span, " (#{t("units.#{setting.units}")})", :class => 'units') if setting.units
  value = params[key.to_sym].nil? ? setting.value : params[key.to_sym]
  html = ""
  if setting.boolean?
    html << hidden_field_tag(name, 0)
    html << check_box_tag(name, 1, value, :class => 'setting', :id => domkey)
    html << content_tag(:label, title.html_safe, :class => 'checkbox', :for => domkey)
  elsif setting.selector?
    html << content_tag(:label, title.html_safe, :for => domkey)
    html << select_tag(name, options_for_select(setting.definition.selection, value), :class => 'setting', :id => domkey)
  else
    html << content_tag(:label, title.html_safe, :for => domkey)
    html << text_field_tag(name, value, :class => 'textbox', :id => domkey)
  end
  if setting.errors[:value].present?
    html << content_tag(:span, [setting.errors[:value]].flatten.first, :class => 'error')
    html = content_tag(:span, html.html_safe, :class => "error-with-field")
  end
  html.html_safe
end

def setting_for(key)
  @trusty_config ||= {}    # normally initialized in Admin::ConfigurationController
  @trusty_config[key] ||= TrustyCms.config.find_or_initialize_by(key: key)
end

def show_config(key, options={})
  setting = setting_for(key)
  setting.valid?
  domkey = key.gsub(/\W/, '_')
  html = ""
  html << content_tag(:label, t("trusty_config.#{key}").titlecase, :for => domkey)
  if setting.boolean?
    value = setting.checked? ? t('yes') : t('no')
    html << content_tag(:span, value, :id => domkey, :class => "#{value} #{options[:class]}")
  else
    value = setting.selected_value || setting.value
    html << content_tag(:span, value, :id => domkey, :class => options[:class])
  end
  html << content_tag(:span, " #{t("units.#{setting.units}")}", :class => 'units') if setting.units
  html << content_tag(:span, " #{t('warning')}: #{[setting.errors[:value]].flatten.first}", :class => 'warning') if setting.errors.messages[:value].present?
  Rails.logger.error(html)
  html.html_safe
end