class Inspec::Resources::PodmanImage

def exist?
  ! image_info.empty?
end

def get_image_info
  current_image = opts[:id] || opts[:image] || opts[:repo] + ":" + opts[:tag]
  json_key_label = generate_go_template(LABELS)
  podman_inspect_cmd = inspec.command("podman image inspect #{current_image} --format '{#{json_key_label}}'")
  if podman_inspect_cmd.exit_status == 0
    parse_command_output(podman_inspect_cmd.stdout)
  elsif podman_inspect_cmd.stderr =~ /failed to find image/
    {}
  else
    raise Inspec::Exceptions::ResourceFailed, "Unable to retrieve podman image information for #{current_image}.\nError message: #{podman_inspect_cmd.stderr}"
  end
end

def initialize(opts)
  skip_resource "The `podman_image` resource is not yet available on your OS." unless inspec.os.unix?
  opts = { image: opts } if opts.is_a?(String)
  @opts = sanitize_options(opts)
  raise Inspec::Exceptions::ResourceFailed, "Podman is not running. Please make sure it is installed and running." unless podman_running?
  @image_info = get_image_info
end

def resource_id
  opts[:id] || opts[:image] || ""
end

def sanitize_options(opts)
  opts.merge!(parse_components_from_image(opts[:image]))
  # assume a "latest" tag if we don't have one
  opts[:tag] ||= "latest"
  # Assemble/reassemble the image from the repo and tag
  opts[:image] = "#{opts[:repo]}:#{opts[:tag]}" unless opts[:repo].nil?
  opts
end

def to_s
  "podman_image #{resource_id}"
end