require 'net/http'
module SparkApi
  module Models
    class Video < Base
      extend Subresource
      include Media
      include Concerns::Savable,
              Concerns::Destroyable

      self.element_name = 'videos'

      def branded?
        attributes['Type'] == 'branded'
      end

      def unbranded?
        attributes['Type'] == 'unbranded'
      end

      def url
        attributes['ObjectHtml']
      end

      def description
        attributes['Name']
      end

      # Some youtube URLS are youtu.be instead of youtube
      SUPPORTED_VIDEO_TYPES = %w[vimeo youtu].freeze

      def is_supported_type?
        # Unfortunately there are so many formats of vimeo videos that we canot support all vimeo videos
        # Therefore, we need to do a little more checking here and validate that we can get video codes out of the urls
        (self.ObjectHtml.include?('youtu') && youtube_video_code.present?) || (self.ObjectHtml.include?('vimeo') && vimeo_video_code.present?)
      end

      def is_valid_iframe?
        self.ObjectHtml.include?('<iframe') && self.ObjectHtml.include?('</iframe>')
      end

      # gets the thumbnail to be shown on supported (Vimeo and Youtube) videos
      # YouTube provides a predictable url for each video's images
      # for Vimeo, a get request is necessary
      def display_image
        url = self.video_link
        if url
          if(url.include?('youtube'))
            youtube_thumbnail_url
          else 
            vimeo_thumbnail_url
          end
        end
      end

      def video_link
        return nil unless is_supported_type?

        if self.ObjectHtml.include?('youtu')
            youtube_link
        elsif self.ObjectHtml.include?('vimeo')
            vimeo_link
        end
      end

      private

      def vimeo_video_code
        html = self.ObjectHtml
        if html.match(/(src=)('|")((https:)?\/\/player\.vimeo\.com\/video\/)/)
          new_url = html.split(/(src=')|(src=")/)
          if new_url[2]
            html = new_url[2].split(/("|')/)[0]
          end
        end
        if html.match(/(?:.+?)?(player\.vimeo\.com|vimeo.com\/(?:channels\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|album\/(\d+)\/video\/|)(\d+)(?:$|\/|\?))/)
          code = html.split('/').last.split('?').first
          # Vimeo Ids are always numerical
          code.to_i.to_s === code ? code : nil
        else
          nil
        end
      end

      # This if correctly embedded by the user is an embed
      # If not, it could be pretty much anything
      def youtube_video_code
        html = self.ObjectHtml
        if html.match(/(?:.+?)?(?:\/v\/|watch\/|\?v=|\&v=|youtu\.be\/|\/v=|^youtu\.be\/|embed\/|watch\%3Fv\%3D)([a-zA-Z0-9_-]{11})/) || html.match(/(iframe)(.*)(src=)('|")(https:\/\/www\.youtube\.com\/embed)/)
          html.split(/([a-zA-Z0-9_-]{11})/)[1]
        else
          nil
        end
      end

      def youtube_link
        normalize_youtube_url
        code = youtube_video_code
        code ? "https://www.youtube.com/watch?v=#{code}" : nil
      end

      def vimeo_link
        code = vimeo_video_code
        code ? "https://vimeo.com/#{code}" : nil
      end

      def youtube_thumbnail_url
        code = youtube_video_code
        code ? "https://i1.ytimg.com/vi/#{code}/hqdefault.jpg" : nil
      end

      def vimeo_thumbnail_url
        # due to the rate limiting issue that surfaced shortly before launch,
        # we will temporarily not return vimeo thumbnails until
        # there is bandwidth to implement the solution in FLEX-9959
        return nil
      end

      def normalize_youtube_url
        self.ObjectHtml.sub!('-nocookie', '')
      end
      
    end
  end
end