module Devops
  module Version2_0
    module Routes
      module ScriptRoutes

        def self.registered(app)
          app.before "/script/:script_name" do
            check_headers :accept
            check_privileges("script", "w")
            file_name = params[:script_name]
            @file = File.join(DevopsService.config[:scripts_dir], check_filename(file_name, "Parameter 'script_name' must be a not empty string"))
            if request.put?
              halt_response("File '#{file_name}' already exist") if File.exists?(@file)
            elsif request.delete?
              halt_response("File '#{file_name}' does not exist", 404) unless File.exists?(@file)
            end
          end

          app.after %r{\A/script/((command|run)/)?[\w]+\z} do
            statistic
          end

          # Get scripts names
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   [
          #     "script_1"
          #   ]
          app.before "/scripts" do
            check_headers :accept
            check_privileges("script", "r")
          end
          app.get "/scripts", &Devops::Version2_0::Handler::Script.get_scripts

          # Run command on node :node_name
          #
          # * *Request*
          #   - method : POST
          #   - body :
          #     command to run
          #
          # * *Returns* : text stream
          app.before "/script/command/:node_name" do
            check_privileges("script", "x")
          end
          app.post "/script/command/:node_name", &Devops::Version2_0::Handler::Script.execute_command

          # Run script :script_name on nodes
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "nodes": [], -> array of nodes names
          #       "params": [] -> array of script arguments
          #     }
          #
          # * *Returns* : text stream
          app.before "/script/run/:script_name" do
            check_headers :content_type
            check_privileges("script", "x")
          end
          app.post "/script/run/:script_name", &Devops::Version2_0::Handler::Script.run_script

          # Create script :script_name
          #
          # * *Request*
          #   - method : PUT
          #   - headers :
          #     - Accept: application/json
          #   - body : script content
          #
          # * *Returns* :
          #   201 - Created
          app.put "/script/:script_name", &Devops::Version2_0::Handler::Script.create_script

          # Delete script :script_name
          #
          # * *Request*
          #   - method : Delete
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   200 - Deleted
          app.delete "/script/:script_name", &Devops::Version2_0::Handler::Script.delete_script

          puts "Script routes initialized"
        end

      end
    end
  end
end