defmodule PinchflatWeb.Api.V1.ApiSettingController do
  @moduledoc """
  JSON API controller for Settings.
  """

  use PinchflatWeb, :controller

  alias Pinchflat.Settings

  def show(conn, _params) do
    setting = Settings.record()
    safe_data = setting_to_map(setting)
    json(conn, %{data: safe_data})
  end

  def update(conn, %{"setting" => params}) do
    setting = Settings.record()

    case Settings.update_setting(setting, params) do
      {:ok, setting} ->
        safe_data = setting_to_map(setting)
        json(conn, %{data: safe_data})

      {:error, %Ecto.Changeset{} = changeset} ->
        conn
        |> put_status(:unprocessable_entity)
        |> json(%{errors: format_changeset_errors(changeset)})
    end
  end

  def app_info(conn, _params) do
    info = %{
      version: Application.spec(:pinchflat, :vsn) |> to_string(),
      environment: Application.get_env(:pinchflat, :env),
      yt_dlp_version: Settings.get!(:yt_dlp_version),
      apprise_version: Settings.get!(:apprise_version),
      onboarding: Settings.get!(:onboarding)
    }

    json(conn, %{data: info})
  end

  defp setting_to_map(setting) do
    setting
    |> Map.from_struct()
    |> Map.drop([:route_token, :__meta__, :__struct__])
  end

  defp format_changeset_errors(changeset) do
    Ecto.Changeset.traverse_errors(changeset, fn {msg, opts} ->
      Enum.reduce(opts, msg, fn {key, value}, acc ->
        String.replace(acc, "%{#{key}}", to_string(value))
      end)
    end)
  end
end