defmodule Asciinema.Router do
  use Asciinema.Web, :router

  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
    plug :put_secure_browser_headers
    plug Asciinema.Auth
  end

  pipeline :asciicast_file do
    plug :accepts, ["json"]
  end

  scope "/", Asciinema do
    pipe_through :asciicast_file

    # rewritten by TrailingFormat from /a/123.json to /a/123/json
    get "/a/:id/json", AsciicastFileController, :show
  end

  pipeline :asciicast_image do
    plug :accepts, ["png"]
  end

  scope "/", Asciinema do
    pipe_through :asciicast_image

    # rewritten by TrailingFormat from /a/123.png to /a/123/png
    get "/a/:id/png", AsciicastImageController, :show
  end

  pipeline :asciicast_animation do
    plug :accepts, ["html"]
  end

  scope "/", Asciinema do
    pipe_through :asciicast_animation

    # rewritten by TrailingFormat from /a/123.gif to /a/123/gif
    get "/a/:id/gif", AsciicastAnimationController, :show
  end

  scope "/", Asciinema do
    pipe_through :browser # Use the default browser stack

    get "/a/:id", AsciicastController, :show

    get "/docs", DocController, :index
    get "/docs/:topic", DocController, :show
  end

  scope "/api", Asciinema.Api, as: :api do
    post "/asciicasts", AsciicastController, :create
  end

  # Other scopes may use custom stacks.
  # scope "/api", Asciinema do
  #   pipe_through :api
  # end
end

defmodule Asciinema.Router.Helpers.Extra do
  alias Asciinema.Router.Helpers, as: H

  def asciicast_file_download_path(conn, asciicast) do
    H.asciicast_file_path(conn, :show, asciicast)
    |> String.replace_suffix("/json", ".json")
  end

  def asciicast_file_download_url(conn, asciicast) do
    H.asciicast_file_url(conn, :show, asciicast)
    |> String.replace_suffix("/json", ".json")
  end

  def asciicast_image_download_path(conn, asciicast) do
    H.asciicast_image_path(conn, :show, asciicast)
    |> String.replace_suffix("/png", ".png")
  end

  def asciicast_animation_download_path(conn, asciicast) do
    H.asciicast_animation_path(conn, :show, asciicast)
    |> String.replace_suffix("/gif", ".gif")
  end
end