defmodule Guildhall.OpsDb.Guild do
  use Ecto.Schema
  import Ecto.Changeset

  @type t :: %__MODULE__{}

  @min_guild_id 0x010
  @max_guild_id 0x3FF

  schema "guilds" do
    field :guild_id, :integer
    field :name, :string
    field :slug, :string
    field :guild_type, :string
    field :description, :string
    field :trust_domain, :string
    field :contact_did, :string
    field :registrant_did, :string
    field :registration_ceremony_id, :string
    field :status, :string, default: "pending_approval"
    field :enrollment_accord_ref, :string
    field :metadata, :map, default: %{}

    has_many :guild_schematics, Guildhall.OpsDb.GuildSchematic
    has_many :guild_memberships, Guildhall.OpsDb.GuildMembership

    timestamps(type: :utc_datetime_usec)
  end

  def changeset(guild, attrs) do
    guild
    |> cast(attrs, [
      :guild_id,
      :name,
      :slug,
      :guild_type,
      :description,
      :trust_domain,
      :contact_did,
      :registrant_did,
      :registration_ceremony_id,
      :status,
      :enrollment_accord_ref,
      :metadata
    ])
    |> validate_required([:guild_id, :name, :slug, :guild_type, :contact_did, :registrant_did])
    |> validate_inclusion(:guild_type, ~w(msp isv nsp))
    |> validate_inclusion(:status, ~w(pending_approval approved denied active suspended))
    |> validate_number(:guild_id,
      greater_than_or_equal_to: @min_guild_id,
      less_than_or_equal_to: @max_guild_id
    )
    |> unique_constraint(:guild_id)
    |> unique_constraint(:slug)
    |> unique_constraint(:name)
  end
end