defmodule Fake.Router do
  @moduledoc "Application router for the `Fake` server"

  use Plug.Router
  require Logger

  plug Plug.Logger
  plug :fetch_query_params
  plug Plug.Parsers,
    parsers: [:urlencoded, :multipart, :json],
    pass: ["*/*"],
    json_decoder: Poison

  plug :match
  plug :dispatch

  @doc false
  def init(options), do: options


  def read_file(file) do
    File.read!(file) 
      |> String.replace(~r/\n/m, "")
  end

  match "/" do
    send_resp(conn, 200, "received #{inspect(conn.params)}")
  end

  get "/v1/documents" do

    file = read_file("test/fixtures/all_documents.json")

    conn |> send_resp(200, file)
    # if !is_nil(conn.params["service"]) do
      # conn |> send_resp(200, "sss")
    # else
      # conn |> send_resp(404, "ticket not found")
    # end
  end

  post "/v1/documents" do
    IO.inspect conn
    # IO.inspect conn.body_params
    conn |> send_resp(200, "sss")


    # if !is_nil(conn.params["service"]) do
    #   conn |> send_resp(200, Fake.valid_st)
    # else
    #   conn |> send_resp(404, "ticket not found")
    # end
  end

  post "/v1/tickets/:_tgt" do
    conn |> send_resp(404, "ticket not found")
  end

  post "/v1/tickets" do
    if {conn.params["username"], conn.params["password"]} == {Fake.valid_username, Fake.valid_password} do
      conn
      |> put_resp_header("location", "#{url(conn)}/#{Fake.valid_tgt}")
      |> send_resp(201, Fake.valid_tgt)
    else
      conn
      |> send_resp(400, "bad credentials")
    end
  end

  post "/serviceValidate" do
    if conn.params["ticket"] == Fake.valid_st && conn.params["service"] do
      conn |> send_resp(200, Fake.Responses.success)
    else
      conn |> send_resp(200, Fake.Responses.failure)
    end
  end

  match _ do
    send_resp(conn, 404, "oops")
  end

  @spec url(Plug.Conn.t) :: Plug.Conn.t
  @doc false
  def url(conn) do
    query_string =
      conn.query_params
      |> URI.encode_query

    ["#{conn.scheme}://#{conn.host}:#{conn.port}#{conn.request_path}", query_string]
    |> Enum.reject(fn(v) -> is_nil(v) || v == "" end)
    |> Enum.join("?")
  end
end