# frozen_string_literal: true

require 'travis'
require 'travis/tools/system'
require 'travis/tools/assets'
require 'cgi'

module Travis
  module Tools
    module Notification
      module_function

      DEFAULT = %i[osx growl libnotify].freeze
      ICON    = Assets['notifications/icon.png']

      def new(*list)
        list.concat(DEFAULT) if list.empty?
        notification = list.map { |n| get(n) }.detect { |n| n.available? }
        raise ArgumentError, "no notification system found (looked for #{list.join(', ')})" unless notification

        notification
      end

      def get(name)
        const = constants.detect { |c| c.to_s[/[^:]+$/].downcase == name.to_s }
        raise ArgumentError, 'unknown notifications type %p' % name unless const

        const_get(const).new
      end

      class Dummy
        def notify(title, body); end

        def available?
          true
        end
      end

      class OSX
        BIN_PATH = Assets['notifications/Travis CI.app/Contents/MacOS/Travis CI']

        def notify(title, body)
          system BIN_PATH, '-message', body.to_s, '-title', title.to_s, '-sender', 'org.travis-ci.Travis-CI'
        end

        def available?
          System.mac? and System.recent_version?(System.os_version.to_s,
                                                 '10.8') and System.running? 'NotificationCenter'
        end
      end

      class Growl
        def notify(title, body)
          system 'growlnotify', '-n', 'Travis', '--image', ICON, '-m', body, title
        end

        def available?
          System.has? 'growlnotify' and System.running? 'Growl'
        end
      end

      class LibNotify
        def notify(title, body)
          system 'notify-send', '--expire-time=10000', '-h', 'int:transient:1', '-i', ICON, title, CGI.escapeHTML(body)
        end

        def available?
          System.has? 'notify-send'
        end
      end
    end
  end
end
