buckybox/webstore

# frozen_string_literal: true

class AuthenticationController < CheckoutController
  def authentication
    render "authentication", locals: {
      order: current_order,
      authentication: Authentication.new(cart: current_cart),
    }
  end

  def save_authentication
    args = { cart: current_cart }.merge(params[:authentication])
    return if cart_expired?(args)
    authentication = Authentication.new(args)
    authentication.sign_in_attempt? ? try_sign_in(authentication) : save_credentials(authentication)
  end

private

  def try_sign_in(authentication)
    customers = API.authenticate_customer(
      email: authentication.email, password: authentication.password,
    )

    session[:current_customers] = customers.to_json
    customer = customers.find { |c| c.webstore_id == current_webstore_id }

    if customer
      current_webstore_customer.associate_real_customer(customer.id)
      save_credentials(authentication)
    else
      failed_authentication(authentication)
    end
  end

  def save_credentials(authentication)
    authentication.save ? successful_authentication : failed_authentication(authentication)
  end

  def successful_authentication
    redirect_to next_step
  end

  def failed_authentication(authentication)
    flash.now[:alert] = t("authentication.bad_email_password")
    render "authentication", locals: {
      order: current_order,
      authentication: authentication,
    }
  end

  def next_step
    delivery_options_path
  end
end