defmodule Uex do
  @enforce_keys [:source]

  defstruct [:source, :file_path, :file_name, :tag, meta: [], opts: []]

  @type t :: %__MODULE__{
          source: any(),
          opts: keyword(),
          file_path: String.t(),
          file_name: String.t(),
          meta: keyword()
        }

  def new(source, opts \\ [])

  def new(source, opts) do
    name = Keyword.get(opts, :file_name)
    tag = Keyword.get(opts, :tag, :original)
    opts = Keyword.get(opts, :opts, [])

    %__MODULE__{source: source, file_name: name, tag: tag, opts: opts}
  end

  def get_extension(%__MODULE__{meta: meta}) do
    Keyword.get(meta, :extension)
  end

  def set_extension(%__MODULE__{meta: meta} = uex, value) do
    %__MODULE__{uex | meta: Keyword.put(meta, :extension, value)}
  end

  def get_content_type(%__MODULE__{meta: meta}) do
    Keyword.get(meta, :content_type)
  end

  def set_content_type(%__MODULE__{meta: meta} = uex, value) do
    %__MODULE__{uex | meta: Keyword.put(meta, :content_type, value)}
  end

  def get_file_size(%__MODULE__{meta: meta}) do
    Keyword.get(meta, :file_size)
  end

  def set_file_size(%__MODULE__{meta: meta} = uex, value) do
    %__MODULE__{uex | meta: Keyword.put(meta, :file_size, value)}
  end

  def get_upload_directory(%__MODULE__{opts: opts}) do
    Keyword.get(opts, :upload_directory)
  end

  def set_upload_directory(%__MODULE__{opts: opts} = uex, value) do
    %__MODULE__{uex | opts: Keyword.put(opts, :upload_directory, value)}
  end

  def default_opts_keys() do
    [:upload_directory]
  end
end