module EasyAdminUi
  module ViewHelpers
    def wpaginate(collection)
      will_paginate(collection, :previous_label => t('will_paginate.previous'), :next_label => t('will_paginate.next'))
    end

    def table(items, columns, actions, options = {}, &block)
      html = ''.html_safe
      html << table_head(columns, actions, options)
      html << render(items)
      html << my_table_end
      html
    end

    def table_head(columns, actions, options = {})
      options[:class] ||= 'easy'
      html = ''.html_safe
      html << "<table class='#{options[:class]}' id='#{options[:id]}'>".html_safe
      html <<
        content_tag(:thead,
          content_tag(:tr, (
              columns.map do |title, th_class|
                th_class ||= []
                content_tag(:th,
                  [
                    if th_class.include?('sortable')
                      content_tag(:div,
                        link_to('', '#', :class => 'sort_up') +
                        link_to('', '#', :class => 'sort_down'),
                        {:class => 'sort'})
                    else
                      nil
                    end,
                    title
                  ].compact.join(''),
                  :class => th_class)
              end
            ).join('').html_safe + (actions ? content_tag(:th, '', :class => 'actions') : '')
          )
        )
      html << options[:body_id] ? "<tbody id=\"#{options[:body_id]}\">" : '<tbody>'
      html
    end

    def table_row(options = {})
      options[:actions] ||= []

      content_tag(:tr,
        [
          # Could pass:
          #
          # [category.created_at, {:class => '', :onmouseover => "javascript: blah"}]
          # [category.created_at, 'my_class_name']
          #
          options[:cells].map do |txt, cell_opts|
            cell_opts = {:class => cell_opts} if cell_opts.is_a?(String)
            cell_opts ||= {}
            content_tag(:td, txt, cell_opts)
          end,
          options[:actions].blank? ? '' : content_tag(:td, options[:actions].join(' ').html_safe, :class => "act")
        ].join(' ').html_safe,
        :id => options[:id], :class => ["#{cyc = cycle("even", "odd")}", options[:class]].join(' ')).html_safe
    end

    def my_table_end
      '</tbody></table>'.html_safe
    end

    def right_align(content)
      [content, 'aright']
    end

    def admin_show_link(item)
      link_to(image_tag("/images/icons/show.png"), :action => 'show', :id => item)
    end

    def admin_new_link
      content_tag(:span, raw(' - ') + link_to('New', :action => 'new'))
    end

    def admin_edit_link(item)
      link_to(image_tag("/images/icons/pencil.png"), :action => 'edit', :id => item)
    end

    # Use if below /admin/.
    def admin_delete_link_with_confirmation(obj, delete_path=nil)
      delete_path ||= eval("admin_#{obj.class.to_s.underscore}_path(obj)")
      delete_link_with_confirmation(obj, delete_path)
    end

    def delete_link_with_confirmation(obj, delete_path=nil)
      delete_path ||= eval("#{obj.class.to_s.underscore.singularize}_path(obj)")
      link_to_function(image_tag('/images/icons/delete.png'), "$('cnf_#{obj.id}').show();") + ' ' +
        raw('<span id="cnf_' + obj.id.to_s + '" class="conf_link" style="display: none;">Are you sure? ') +
        link_to("Yes", delete_path, :method => :delete, :remote => true) + ' ' +
        link_to_function("No", "$('cnf_#{obj.id}').hide();") + raw('</span>')
    end
  end
end