defmodule Petshopcloud.RegistrationController do
  use Petshopcloud.Web, :controller
  import Petshopcloud.Cadastrable.Person

  def create(conn, %{"data" => %{"type" => "users",
    "attributes" => %{"name" => name,
      "email" => email,
      "password" => password,
      "password-confirmation" => password_confirmation}}}) do

    changeset = User.changeset %User{}, %{name: name, email: email,
      password_confirmation: password_confirmation,
      password: password}

    case Repo.transaction fn ->
      # adiciona o usuário
      user = changeset
        |> Repo.insert!

      # adiciona o petshop com o usuário criado
      petshop = build_assoc(user, :owned_petshop, %{})
        |> Repo.insert!

      # adiciona admin aos membros
      build_assoc(petshop, :petshop_members, %{user_id: user.id, petshop_id: petshop.id})
        |> Repo.insert!

      # cria company padrão para o petshop
      company = build_assoc(petshop, :companies, %{empresa_padrao: true})
        |> Repo.insert!

      # adiciona company às empresas membros
      build_assoc(company, :company_members, %{user_id: user.id, company_id: company.id})
        |> Repo.insert!

      # cria uma sub empresa para a empresa
      sub_company = build_assoc(company, :sub_companies, %{matriz: true, person: person_map})
        |> Repo.insert!

      user
        |> Ecto.Changeset.change(signed_in_company: company.id)
        |> Repo.update!
    end do
      {:ok, user} ->
        conn
          |> put_status(:created)
          |> render(Petshopcloud.RegistrationView, "index.json-api", data: user)
      {:error, changeset} ->
        conn
          |> put_status(:unprocessable_entity)
          |> render(Petshopcloud.ChangesetView, "error.json", changeset: changeset)
    end
  end

  defp person_map do
    %Petshopcloud.Cadastrable.Person{
      nome_razao: "Empresa padrão",
      fornecedor: false,
      cliente: false,
      funcionario: false,
      transportadora: false,
      empresa: true,
      legal_entity: %Petshopcloud.Cadastrable.LegalEntity{}
    }
  end
end