defmodule MTProto.DC do
  alias MTProto.{Registry, DC}

  @moduledoc false

  #  Define a datacenter. Note that all the possible values (indexed in the
  #  registry) are hardcoded in `MTProto.DC.register/0`.

  #  * `:id` - id  of the dc
  #  * `:address` - address of the dc
  #  * `:port` - port of the dc, default to `443`
  #  * `:auth_key` - authorization key, default to `<<0::8*8>>`
  #  * `server_salt` - default to `0`
  defstruct id: nil,
            address: nil,
            port: 443,
            auth_key: <<0::8*8>>,
            server_salt: 0

  # Register all five DCs in the registry. Values are hardcoded.
  def register do
    Registry.set :dc, 1, %DC{id: 1, address: "149.154.175.50"}
    Registry.set :dc, 2, %DC{id: 2, address: "149.154.167.51"}
    Registry.set :dc, 3, %DC{id: 3, address: "149.154.175.100"}
    Registry.set :dc, 4, %DC{id: 4, address: "149.154.167.91"}
    Registry.set :dc, 5, %DC{id: 5, address: "149.154.171.5"}
  end
end