class ChefCLI::Policyfile::LocalCookbook

def assert_required_keys_valid!(lock_data)
  super
  source = lock_data["source"]
  if source.nil?
    raise InvalidLockfile, "Lockfile cookbook_lock for #{name} is invalid. Lock data for a local cookbook must have a `source' attribute"
  end
  unless source.is_a?(String)
    raise InvalidLockfile, "Lockfile cookbook_lock for #{name} is invalid: `source' attribute must be a String (got: #{source.inspect})"
  end
end

def build_from_lock_data(lock_data)
  assert_required_keys_valid!(lock_data)
  @version = lock_data["version"]
  @identifier = lock_data["identifier"]
  @dotted_decimal_identifier = lock_data["dotted_decimal_identifier"]
  @source = lock_data["source"]
  @source_options = symbolize_source_options_keys(lock_data["source_options"])
  @scm_info = lock_data["scm_info"]
end

def cookbook_in_git_repo?
  return @cookbook_in_git_repo unless @cookbook_in_git_repo.nil?
  @cookbook_in_git_repo = false
  dot_git = Pathname.new(".git")
  Pathname.new(cookbook_path).ascend do |parent_dir|
    possbile_git_dir = parent_dir + dot_git
    if possbile_git_dir.exist?
      @cookbook_in_git_repo = true
      break
    end
  end
  @cookbook_in_git_repo
end

def cookbook_path
  File.expand_path(source, relative_paths_root)
end

def identifier_updated?
  @identifier_updated
end

def initialize(name, storage_config)
  @name = name
  @identifier = nil
  @storage_config = storage_config
  @identifier_updated = false
  @version_updated = false
  @cookbook_in_git_repo = nil
  @scm_info = nil
end

def lock_data
  {
    "version" => version,
    "identifier" => identifier,
    "dotted_decimal_identifier" => dotted_decimal_identifier,
    "source" => source,
    "cache_key" => nil,
    "scm_info" => scm_info,
    "source_options" => source_options,
  }
end

def refresh!
  old_identifier, old_version = @identifier, @version
  @identifier, @dotted_decimal_identifier, @version = nil, nil, nil
  gather_profile_data
  if @identifier != old_identifier
    @identifier_updated = true
  end
  if @version != old_version
    @version_updated = true
  end
  self
end

def refresh_scm_info
  @scm_info = scm_profiler.profile_data
end

def scm_info
  @scm_info
end

def scm_profiler
  if cookbook_in_git_repo?
    CookbookProfiler::Git.new(cookbook_path)
  else
    CookbookProfiler::NullSCM.new(cookbook_path)
  end
end

def to_lock
  refresh_scm_info
  super
end

def updated?
  @identifier_updated || @version_updated
end

def validate!
  if source.nil?
    raise LocalCookbookNotFound, "Cookbook `#{name}' does not have a `source` set, cannot locate cookbook"
  end
  unless File.exist?(cookbook_path)
    raise LocalCookbookNotFound, "Cookbook `#{name}' not found at path source `#{source}` (full path: `#{cookbook_path}')"
  end
  unless cookbook_version.name.to_s == name
    msg = "The cookbook at path source `#{source}' is expected to be named `#{name}', but is now named `#{cookbook_version.name}' (full path: #{cookbook_path})"
    raise MalformedCookbook, msg
  end
end

def version_updated?
  @version_updated
end