module Devops
  module API2_0
    module Routes
      module ScriptRoutes

        def self.registered(app)
          # Get scripts names
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   [
          #     "script_1"
          #   ]
          app.get_with_headers "/scripts", :headers => [:accept] do
            check_privileges("script", "r")
            json Devops::API2_0::Handler::Script.new(request, params).scripts
          end

          # Run command on node :node_name
          #
          # * *Request*
          #   - method : POST
          #   - body :
          #     command to run
          #
          # * *Returns* : text stream
          app.post_with_statistic "/script/command/:node_name" do |node_name|
            check_privileges("script", "x")
            stream() do |out|
              begin
                Devops::API2_0::Handler::Script.new(request, params).execute_command(out, request.body.read, node_name)
              rescue IOError => e
                logger.error e.message
              end
            end
          end

          # 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.post_with_headers "/script/run/:script_name", :headers => [:content_type] do |script_name|
            check_privileges("script", "x")
            file_name = check_filename(script_name, "Parameter 'script_name' must be a not empty string", false)
            body = create_object_from_json_body
            nodes = check_array(body["nodes"], "Parameter 'nodes' must be a not empty array of strings")
            p = check_array(body["params"], "Parameter 'params' should be a not empty array of strings", String, true)

            stream() do |out|
              begin
                Devops::API2_0::Handler::Script.new(request, params).run_script out, file_name, nodes, p
              rescue IOError => e
                logger.error e.message
              end
            end
          end

          hash = {}
          # Create script :script_name
          #
          # * *Request*
          #   - method : PUT
          #   - headers :
          #     - Accept: application/json
          #   - body : script content
          #
          # * *Returns* :
          #   201 - Created
          hash["PUT"] = lambda {
            check_privileges("script", "w")
            file_name = params[:script_name]
            check_filename(file_name, "Parameter 'script_name' must be a not empty string")
            Devops::API2_0::Handler::Script.new(request, params).create_script(file_name)
            create_response("File '#{file_name}' created", nil, 201)
          }

          # Delete script :script_name
          #
          # * *Request*
          #   - method : Delete
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   200 - Deleted
          hash["DELETE"] = lambda {
            check_privileges("script", "w")
            file_name = params[:script_name]
            check_filename(file_name, "Parameter 'script_name' must be a not empty string")
            Devops::API2_0::Handler::Script.new(request, params).delete_script file_name
            create_response("File '#{file_name}' deleted")
          }
          app.multi_routes "/script/:script_name", {:headers => [:accept]}, hash

          puts "Script routes initialized"
        end

      end
    end
  end
end