class Riffer::Messages::User::FilePart

# File lib/riffer/messages/user/file_part.rb, line 63
def self.from_hash(file)
  return file if file.is_a?(Riffer::Messages::User::FilePart)

  url = file[:url]
  data = file[:data]
  media_type = file[:media_type]
  filename = file[:filename]
  sha256 = file[:sha256]

  if url
    new(url: url, data: data, media_type: media_type || detect_media_type(url), filename: filename, sha256: sha256)
  elsif data && media_type
    new(data: data, media_type: media_type, filename: filename, sha256: sha256)
  else
    raise Riffer::ArgumentError, "File hash must include :url or :data with :media_type"
  end
end

# File lib/riffer/messages/user/file_part.rb, line 57
def self.from_url(url, media_type: nil, filename: nil, sha256: nil)
  new(url: url, media_type: media_type || detect_media_type(url), filename: filename, sha256: sha256)
end

# File lib/riffer/messages/user/file_part.rb, line 37
def initialize(media_type:, data: nil, filename: nil, url: nil, sha256: nil)
  raise Riffer::ArgumentError, "Either data or url must be provided" if data.nil? && url.nil?
  unless SUPPORTED_MEDIA_TYPES.include?(media_type)
    raise Riffer::ArgumentError,
          "Unsupported media type: #{media_type}"
  end
  unless sha256.nil? || (sha256.is_a?(String) && sha256.match?(SHA256_PATTERN))
    raise Riffer::ArgumentError,
          "Invalid sha256: #{sha256}"
  end

  @sha256 = sha256&.downcase
  @data = data
  @media_type = media_type
  @filename = filename
  @url_string = url
end

# File lib/riffer/messages/user/file_part.rb, line 108
def cache_data_bytes(bytes)
  @data_bytes = bytes
end

# File lib/riffer/messages/user/file_part.rb, line 119
def cache_downloaded_data(data)
  @downloaded_data = data
end

# File lib/riffer/messages/user/file_part.rb, line 91
def data
  @data || @downloaded_data
end

# File lib/riffer/messages/user/file_part.rb, line 96
def data_bytes
  return @data_bytes if @data_bytes

  encoded = data
  return nil unless encoded

  @data_bytes = Base64.strict_decode64(encoded.gsub(/\s/, ""))
rescue ArgumentError
  raise Riffer::FileEncodingError, "Invalid base64 data"
end

# File lib/riffer/messages/user/file_part.rb, line 143
def document?
  !image?
end

# File lib/riffer/messages/user/file_part.rb, line 137
def image?
  media_type.start_with?("image/")
end

# File lib/riffer/messages/user/file_part.rb, line 113
def inline_data?
  !@data.nil?
end

# File lib/riffer/messages/user/file_part.rb, line 149
def to_h
  hash = { media_type: media_type } #: Hash[Symbol, untyped]
  # Downloaded data is left out so persisted history stays free of megabytes
  # of base64; the in-memory cache still spares refetching on every turn.
  hash[:data] = @data if @data
  hash[:url] = @url_string if @url_string
  hash[:filename] = filename if filename
  hash[:sha256] = sha256 if sha256
  hash
end

# File lib/riffer/messages/user/file_part.rb, line 125
def url
  @url_string
end

# File lib/riffer/messages/user/file_part.rb, line 131
def url?
  !@url_string.nil?
end