module FosdemRecorder
  # Fosdem Cli - Download and cut streams video
  class EventPage
    def self.get_meta(url)
      puts "Loading data from #{url}".colorize.fore(:yellow)
      mechanize = Mechanize.new

      begin
        page = mechanize.get(url)
      rescue ex : Socket::Addrinfo::Error
        STDERR.puts "ERROR: #{ex.message}"
        exit 1
      end

      # body_class = page.at('body').attr('class')
      # if body_class != 'schedule-event'
      #   STDERR.puts "ERROR: Not an event schedule page!"
      #   exit 1
      # end
      # puts body_class

      title = page.title
      title_sanitized =
        title
        .gsub(/[^a-zA-Z0-9]/, "-")
        .gsub(/--*/, "-")
        .gsub(/-$/, "")
        .gsub(/^-/, "")

      play_start_str =
        page
        .css(".side-box .icon-play").first.parent
        .try &.css(".value-title").first["title"].strip
      play_start_str = "" if play_start_str.nil?

      location = Time::Location.load("Europe/Brussels")
      # play_start = Time.parse(play_start_str, "%H:%S", location)
      play_start = Time.parse_rfc3339(play_start_str) #, location)

      play_stop_str =
        page
        .css(".side-box .icon-stop").first.parent
        .try &.css(".value-title").first["title"].strip
      play_stop_str = "" if play_stop_str.nil?

      # play_stop = Time.parse(play_stop_str, "%H:%S", location)
      play_stop = Time.parse_rfc3339(play_stop_str)


      stream_page =
        page
        .links
        .select { |link| link.href =~ /live.fosdem.org/ }
        .first?
        .try &.href

      stream_url =
        stream_page
        .try &.gsub(%r{.*watch/}, "https://stream.fosdem.org/")
        .gsub(/$/, ".m3u8")


      meta = MetaData.new(
        title: title,
        title_sanitized: title_sanitized,
        stream_url: stream_url,
        event_start: play_start,
        event_stop: play_stop,
      )
    end
  end
end