module ErpApp
  module Extensions
    module Railties
      module ActionView
        module Helpers
          module IncludeHelper

            def static_javascript_include_tag(*srcs)
              raw srcs.flatten.map { |src| "<script type=\"text/javascript\" src=\"/javascripts/#{src.include?('.js') ? src : "#{src}.js"}\"></script>" }.join("")
            end

            def static_stylesheet_link_tag(*srcs)
              raw srcs.flatten.map { |src| "<link rel=\"stylesheet\" type=\"text/css\" href=\"/stylesheets/#{src.include?('.css') ? src : "#{src}.css"}\" />" }.join("")
            end

            def include_extjs(opt={})
              resources = ''

              if opt[:debug]
                resources << static_javascript_include_tag("extjs/ext-all-debug.js")
              else
                resources << static_javascript_include_tag("extjs/ext-all.js")
              end

              resources << static_javascript_include_tag("extjs/helpQtip.js")
              resources << static_javascript_include_tag("extjs/ext_ux_tab_close_menu.js")
              resources << static_javascript_include_tag("extjs/Ext.ux.form.MultiSelect.js")
              resources << static_javascript_include_tag("extjs/Ext.ux.CheckColumn.js")

              if opt[:theme] === false
                #do nothing not theme loaded.
              elsif opt[:theme]
                theme = opt[:theme].split(':')[0]
                sub_theme = opt[:theme].split(':')[1]
                resources << static_stylesheet_link_tag("#{theme}/resources/css/#{sub_theme}.css")
              else
                #this file will effectively be used as the default stylesheet if no theme is selected
                resources << static_stylesheet_link_tag("clifton/resources/css/clifton.css")
              end

              resources << add_authenticity_token_to_extjs

              # this requirement is new in ExtJS 4.1
              resources << "<script type=\"text/javascript\">Ext.Loader.setConfig({ enabled: true, disableCaching: false });</script>"

              raw resources
            end

            def include_sencha_touch(opt={})
              resources = ''

              if (opt[:debug])
                resources << static_javascript_include_tag("sencha_touch/sencha-touch-all-debug.js")
              else
                resources << static_javascript_include_tag("sencha_touch/sencha-touch-all.js")
              end

              if opt[:theme] === false
                #do nothing not theme loaded.
              elsif opt[:theme]
                resources << static_stylesheet_link_tag("sencha_touch/resources/css/#{opt[:theme]}")
              else
                resources << static_stylesheet_link_tag("sencha_touch/resources/css/sencha-touch.css")
                resources << static_stylesheet_link_tag("sencha_touch/resources/css/apple.css")
              end

              raw resources
            end

            def include_highslide(options = {})
              raw case options[:version].to_s.downcase
                    when 'full'
                      static_javascript_include_tag("erp_app/highslide/highslide/highslide-full.js")
                    when 'gallery'
                      static_javascript_include_tag("erp_app/highslide/highslide/highslide-with-gallery.js")
                    when 'html'
                      static_javascript_include_tag("erp_app/highslide/highslide/highslide-with-html.js")
                    else
                      static_javascript_include_tag("erp_app/highslide/highslide/highslide.js")
                  end
            end

            def setup_js_authentication(user, app_container)
              current_user = {
                  :username => user.username,
                  :lastloginAt => user.last_login_at,
                  :lastActivityAt => user.last_activity_at,
                  :failedLoginCount => user.failed_logins_count,
                  :email => user.email,
                  :roles => user.all_roles.collect { |role| role.internal_identifier },
                  :capabilities => user.class_capabilities_to_hash,
                  :id => user.id,
                  :description => user.party.to_s
              }
              js_string = static_javascript_include_tag('erp_app/authentication/compass_user.js')
              js_string << (raw "<script type='text/javascript'>var currentUser = new ErpApp.CompassAccessNegotiator.CompassUser(#{current_user.to_json});</script>")
              js_string
            end

            def include_code_mirror_library
              resources = static_javascript_include_tag("erp_app/codemirror/lib/codemirror.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/htmlmixed/htmlmixed.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/xml/xml.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/css/css.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/javascript/javascript.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/ruby/ruby.js")
              resources << static_javascript_include_tag("erp_app/codemirror/mode/yaml/yaml.js")
              resources << static_javascript_include_tag("erp_app/codemirror/lib/util/runmode.js")
              resources << static_javascript_include_tag("erp_app/codemirror_highlight.js")
              resources << (raw "<link rel=\"stylesheet\" type=\"text/css\" href=\"/javascripts/erp_app/codemirror/lib/codemirror.css\" />")
              resources
            end

            def include_compass_ae_instance_about
              compass_ae_instance = CompassAeInstance.find_by_internal_identifier('base')
              json_hash = {
                  :version => compass_ae_instance.version,
                  :installedAt => compass_ae_instance.created_at.strftime("%B %d, %Y at %I:%M%p"),
                  :lastUpdateAt => compass_ae_instance.updated_at.strftime("%B %d, %Y at %I:%M%p"),
                  :installedEngines => compass_ae_instance.installed_engines,
                  :guid => compass_ae_instance.guid
              }
              raw "<script type=\"text/javascript\">compassAeInstance = #{json_hash.to_json};</script>"
            end

            def add_authenticity_token_to_extjs
              raw "<script type='text/javascript'>Ext.ns('Compass.ErpApp'); Ext.Ajax.extraParams = { authenticity_token: '#{form_authenticity_token}' }; Compass.ErpApp.AuthentictyToken = '#{form_authenticity_token}';</script>"
            end

            def create_authenticity_token_sencha_touch_field
              raw "<script type='text/javascript'>Compass.ErpApp.Mobile.AuthentictyTokenField = {xtype:'hiddenfield', name:'authenticity_token', value:'#{form_authenticity_token}'}; </script>"
            end

            def setSessionTimeout(warn_milli_seconds=((ErpApp::Config.session_warn_after*60)*1000),
                redirect_milli_seconds=((ErpApp::Config.session_redirect_after*60)*1000),
                redirect_to='/session/sign_out')
              raw "<script type='text/javascript'>Compass.ErpApp.Utility.SessionTimeout.setupSessionTimeout(#{warn_milli_seconds}, #{redirect_milli_seconds}, '#{redirect_to}') </script>" if current_user
            end

            #need to remove camel case not rubyish
            alias_method :set_session_timeout, :setSessionTimeout

            def load_shared_application_resources(resource_type)
              resource_type = resource_type.to_sym
              case resource_type
                when :javascripts
                  raw static_javascript_include_tag(ErpApp::ApplicationResourceLoader::SharedLoader.new.locate_shared_files(resource_type))
                when :stylesheets
                  raw static_stylesheet_link_tag(ErpApp::ApplicationResourceLoader::SharedLoader.new.locate_shared_files(resource_type))
              end
            end

          end #IncludeHelper
        end #Helpers
      end #ActionView
    end #Railties
  end #Extensions
end #ErpApp