#

# Author:: Tyler Cloke (<tyler@chef.io>)

# Copyright:: Copyright (c) Chef Software Inc.

# License:: Apache License, Version 2.0

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#


require "chef/key" unless defined?(Chef::Key)
require "chef/json_compat" unless defined?(Chef::JSONCompat)
require "chef/exceptions" unless defined?(Chef::Exceptions)

class Chef
  class Knife
    # Service class for UserKeyList and ClientKeyList, used to list keys.

    # Implements common functionality of knife [user | org client] key list.

    #

    # @author Tyler Cloke

    #

    # @attr_accessor [Hash] cli input, see UserKeyList and ClientKeyList for what could populate it

    class KeyList

      attr_accessor :config

      def initialize(actor, list_method, ui, config)
        @actor = actor
        @list_method = list_method
        @ui = ui
        @config = config
      end

      def expired_and_non_expired_msg
        <<~EOS

          You cannot pass both --only-expired and --only-non-expired.
          Please pass one or none.
        EOS

      end

      def display_info(string)
        @ui.output(string)
      end

      def colorize(string)
        @ui.color(string, :cyan)
      end

      def run
        if @config[:only_expired] && @config[:only_non_expired]
          raise Chef::Exceptions::KeyCommandInputError, expired_and_non_expired_msg
        end

        # call proper list function

        keys = Chef::Key.send(@list_method, @actor)
        if @config[:with_details]
          max_length = 0
          keys.each do |key|
            key["name"] = key["name"] + ":"
            max_length = key["name"].length if key["name"].length > max_length
          end
          keys.each do |key|
            next if !key["expired"] && @config[:only_expired]
            next if key["expired"] && @config[:only_non_expired]

            display = "#{colorize(key["name"].ljust(max_length))} #{key["uri"]}"
            display = "#{display} (expired)" if key["expired"]
            display_info(display)
          end
        else
          keys.each do |key|
            next if !key["expired"] && @config[:only_expired]
            next if key["expired"] && @config[:only_non_expired]

            display_info(key["name"])
          end
        end
      end

    end
  end
end