module FYT

# File lib/fyt.rb, line 95
def self.add
  print 'Please name of the feed e.g. "My Favorite Videos": '
  name = STDIN.gets.rstrip

  print 'Please enter feed url e.g. "https://www.youtube.com/feeds/videos.xml?channel_id=AbCdEf1234567890aBcDeF00": '
  url = STDIN.gets.rstrip

  raise 'No name given' if name.size.zero?
  raise 'No feed url given' if url.size.zero?

  config = FYT::Config.new
  feeds = config[:feeds]
  feeds << { name: name, url: url }
  config[:feeds] = feeds
end

# File lib/fyt.rb, line 79
def self.config
  config = FYT::Config.new

  print "Please enter storage path [#{config[:storage_path]}]: "
  config[:storage_path] = STDIN.gets.rstrip

  print "Please enter server prefix [#{config[:server_prefix]}]: "
  config[:server_prefix] = STDIN.gets.rstrip

  print "Please enter format options [#{config[:format_options]}]: "
  config[:format_options] = STDIN.gets.rstrip

  print "Please enter output_format [#{config[:output_format]}]: "
  config[:output_format] = STDIN.gets.rstrip
end

# File lib/fyt.rb, line 25
def self.lock
  lockfile = ENV['HOME'] + '/.fyt/pid.lock'
  dirname = File.dirname(lockfile)

  FileUtils.mkdir_p(dirname) unless File.directory?(dirname)

  File.open(lockfile, ::File::CREAT | ::File::EXCL | ::File::WRONLY) do |f|
    f.write(Process.pid.to_s)
  end

  at_exit { File.delete(lockfile) if File.exist?(lockfile) }
end

# File lib/fyt.rb, line 38
def self.run
  config = FYT::Config.new
  manager =
    ProxyFetcher::Manager.new(filters: { country: 'DE', maxtime: '500' })

  case config[:storage_type]
  when :local
    storage = FYT::S3Storage.new(
      config[:storage_path],
      config[:format_options],
      config[:output_format],
      manager
    )
  when :aws
    storage = FYT::S3Storage.new(
      config[:tmp_path],
      config[:format_options],
      config[:output_format],
      manager
    )

    Aws.config.update(
      credentials: Aws::Credentials.new(
        config[:aws][:access_key], config[:aws][:secret_key]
      )
    )
  else
    raise 'no storage_type configured'
  end

  config[:feeds].each do |feed_config|
    source_feed = FYT::Parser.new(feed_config[:url], manager).read

    new_feed = FYT::Builder.new(source_feed, storage, config[:server_prefix], manager).build

    storage.add_feed(feed_config[:name], new_feed)
  end

  storage.cleanup!
end