defmodule MicrowavepropWeb.Endpoint do
  use Phoenix.Endpoint, otp_app: :microwaveprop

  # The session will be stored in the cookie and signed,
  # this means its contents can be read but not tampered with.
  # Set :encryption_salt if you would also like to encrypt it.
  @session_options [
    store: :cookie,
    key: "_microwaveprop_key",
    signing_salt: "FBet7+Mi",
    encryption_salt: "fPEhSH1PIkX0MJMU1WL3",
    same_site: "Lax"
  ]

  socket "/live", Phoenix.LiveView.Socket,
    websocket: [connect_info: [session: @session_options]],
    longpoll: [connect_info: [session: @session_options]]

  # Serve at "/" the static files from "priv/static" directory.
  #
  # When code reloading is disabled (e.g., in production),
  # the `gzip` option is enabled to serve compressed
  # static files generated by running `phx.digest`.
  plug Plug.Static,
    at: "/",
    from: :microwaveprop,
    gzip: not code_reloading?,
    only: MicrowavepropWeb.static_paths(),
    raise_on_missing_only: code_reloading?

  if code_reloading? do
    plug Tidewave
  end

  # Code reloading can be explicitly enabled under the
  # :code_reloader configuration of your endpoint.
  if code_reloading? do
    socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
    plug Phoenix.LiveReloader
    plug Phoenix.CodeReloader
    plug Phoenix.Ecto.CheckRepoStatus, otp_app: :microwaveprop
  end

  plug Phoenix.LiveDashboard.RequestLogger,
    param_key: "request_logger",
    cookie_key: "request_logger"

  plug Plug.RequestId
  plug MicrowavepropWeb.Plugs.RemoteIp
  # Plug.Head (below) rewrites method=HEAD to "GET" before
  # Plug.Telemetry's register_before_send callback fires, so a
  # `log_level(%{method: "HEAD"})` clause never matches. Capture
  # the original method in private here so the log filter can still
  # see HEAD requests and suppress them.
  plug :stash_request_method
  plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint], log: {__MODULE__, :log_level, []}

  plug Plug.Parsers,
    parsers: [:urlencoded, :multipart, :json],
    pass: ["*/*"],
    json_decoder: Phoenix.json_library()

  plug Plug.MethodOverride
  plug Plug.Head
  plug Plug.Session, @session_options
  plug MicrowavepropWeb.Router

  @doc false
  # Match on `request_path` rather than `path_info` because `Plug.forward/4`
  # (used by `forward "/metrics", MetricsPlug` in the router) rewrites
  # `path_info` to the unmatched remainder before dispatching to the
  # forwarded plug. `MetricsPlug` calls `send_resp/2` inside that
  # dispatch, so `Plug.Telemetry`'s `register_before_send` callback sees
  # `path_info: []` / `script_name: ["metrics"]` and a clause keyed on
  # `path_info` never matches. `request_path` is set once by the adapter
  # and is stable across forward, so it's the reliable discriminator.
  @spec log_level(Plug.Conn.t()) :: false | :info
  def log_level(%{request_path: "/health"}), do: false
  def log_level(%{request_path: "/live"}), do: false
  def log_level(%{request_path: "/metrics"}), do: false
  def log_level(%{request_path: "/metrics/" <> _}), do: false
  def log_level(%{private: %{original_method: "HEAD"}}), do: false
  def log_level(_conn), do: :info

  defp stash_request_method(conn, _opts) do
    Plug.Conn.put_private(conn, :original_method, conn.method)
  end
end