defmodule Mobilizon.Repo.Migrations.MoveParticipantRoleToEnum do
  use Ecto.Migration
  alias Mobilizon.Events.ParticipantRoleEnum

  def up do
    ParticipantRoleEnum.create_type()

    alter table(:participants) do
      add(:role_tmp, ParticipantRoleEnum.type(), default: "participant")
    end

    execute "UPDATE participants set role_tmp = 'not_approved' where role = 0"
    execute "UPDATE participants set role_tmp = 'participant' where role = 1"
    execute "UPDATE participants set role_tmp = 'moderator' where role = 2"
    execute "UPDATE participants set role_tmp = 'administrator' where role = 3"
    execute "UPDATE participants set role_tmp = 'creator' where role = 4"

    alter table(:participants) do
      remove(:role)
    end
    rename table(:participants), :role_tmp, to: :role
  end

  def down do
    alter table(:participants) do
      add(:role_tmp, :integer, default: 1)
    end

    execute "UPDATE participants set role_tmp = 0 where role = 'not_approved'"
    execute "UPDATE participants set role_tmp = 1 where role = 'participant'"
    execute "UPDATE participants set role_tmp = 2 where role = 'moderator'"
    execute "UPDATE participants set role_tmp = 3 where role = 'administrator'"
    execute "UPDATE participants set role_tmp = 4 where role = 'creator'"

    alter table(:participants) do
      remove(:role)
    end
    ParticipantRoleEnum.drop_type()

    rename table(:participants), :role_tmp, to: :role
  end
end