#
# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright 2013-2016, Opscode, 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/chef_fs/file_system/repository/chef_repository_file_system_entry"
require "chef/chef_fs/file_system/repository/chef_repository_file_system_cookbooks_dir"
require "chef/chef_fs/file_system/not_found_error"

class Chef
  module ChefFS
    module FileSystem
      module Repository
        class ChefRepositoryFileSystemCookbookEntry < ChefRepositoryFileSystemEntry
          def initialize(name, parent, file_path = nil, ruby_only = false, recursive = false)
            super(name, parent, file_path)
            @ruby_only = ruby_only
            @recursive = recursive
          end

          attr_reader :ruby_only
          attr_reader :recursive

          def children
            super.select { |entry| !(entry.dir? && entry.children.size == 0 ) }
          end

          def can_have_child?(name, is_dir)
            if is_dir
              return recursive && name != "." && name != ".."
            elsif ruby_only
              return false if name[-3..-1] != ".rb"
            end

            # Check chefignore
            ignorer = parent
            loop do
              if ignorer.is_a?(ChefRepositoryFileSystemCookbooksDir)
                # Grab the path from entry to child
                path_to_child = name
                child = self
                while child.parent != ignorer
                  path_to_child = PathUtils.join(child.name, path_to_child)
                  child = child.parent
                end
                # Check whether that relative path is ignored
                return !ignorer.chefignore || !ignorer.chefignore.ignored?(path_to_child)
              end
              ignorer = ignorer.parent
              break unless ignorer
            end

            true
          end

          def write_pretty_json
            false
          end

          protected

          def make_child_entry(child_name)
            ChefRepositoryFileSystemCookbookEntry.new(child_name, self, nil, ruby_only, recursive)
          end
        end
      end
    end
  end
end