defmodule Meta.SupportRequest do
  use Ecto.Schema
  import Ecto.Changeset
  import Bamboo.Email

  alias Meta.SupportRequest
  alias Meta.Mailer
  alias Meta.Captcha

  embedded_schema do
    field :name, :string
    field :email, :string
    field :message, :string
    field :captcha, :integer

    timestamps()
  end

  def changeset(key, attrs) do
    expected_captcha_result = attrs |> Map.get("expected_captcha")

    key
    |> cast(attrs, [:name, :email, :message, :captcha])
    |> validate_required([:name, :email, :message, :captcha])
    |> Captcha.validate(expected_captcha_result)
  end

  def send(%SupportRequest{} = request) do
    admin_email = Application.get_env(:meta, :admin_email)
    host = Application.get_env(:meta, MetaWeb.Endpoint)
           |> Keyword.get(:url, [])
           |> Keyword.get(:host, "localhost")

    body = """
    A new request has been received on #{host}:

    From: #{request.name} // #{request.email}
    ~~~
    #{request.message}
    """

    Mailer.template()
    |> to(request.email)
    |> bcc(admin_email)
    |> put_header("Reply-To", request.email)
    |> subject("Recycled Cloud Support Request")
    |> text_body(body)
    |> Mailer.deliver_now()
  end
end