module Railsstrap
  module ModalHelper

    def default_options
      return {:id => 'modal', :size => '', :show_close => true, :dismiss => true}
    end

    #modals have a header, a body, a footer for options.
    def modal_dialog(options = {}, &block)
      opts = default_options.merge(options)
      content_tag :div, :id => options[:id], :class => "railsstrap-modal modal fade" do
        content_tag :div, :class => "modal-dialog #{opts['size']}" do
          content_tag :div, :class => "modal-content" do
            modal_header(options[:header], &block) +
            modal_body(options[:body], &block) +
            modal_footer(options[:footer], &block)
          end
        end
      end
    end

    def modal_header(options, &block)
      content_tag :div, :class => 'modal-header' do
        if options[:show_close]
          close_button(options[:dismiss]) +
          content_tag(:h4, options[:title], :class => 'modal-title', &block)
        else
          content_tag(:h4, options[:title], :class => 'modal-title', &block)
        end
      end
    end

    def modal_body(options, &block)
      content_tag :div, options[:content], :class => 'modal-body', :style => options[:style], &block
    end

    def modal_footer(options, &block)
      content_tag :div, options[:content], :class => 'modal-footer', &block
    end

    def close_button(dismiss)
      #It doesn't seem to like content_tag, so we do this instead.
      raw("<button class=\"close\" data-dismiss=\"#{dismiss}\" aria-hidden=\"true\">&times;</button>")
    end

    def modal_toggle(content_or_options = nil, options, &block)
      if block_given?
        options = content_or_options if content_or_options.is_a?(Hash)
        default_options = { :class => 'btn btn-default', "data-toggle" => "modal", "href" => options[:dialog] }.merge(options)

        content_tag :a, nil, default_options, true, &block
      else
        default_options = { :class => 'btn btn-default', "data-toggle" => "modal", "href" => options[:dialog] }.merge(options)
        content_tag :a, content_or_options, default_options, true
      end
    end

    def modal_cancel_button(content, options)
      default_opts = { :class => "btn railsstrap-modal-cancel-button" }

      content_tag_string "a", content, default_opts.merge(options)
    end

  end
end