require "cgi"

# Devise calls these methods with (record, token, options). Using a regular
# ActionMailer class keeps the API independent from Devise's controller/route
# mapping, which is not present in an API-only application.
class UserMailer < ApplicationMailer
  def confirmation_instructions(record, token, opts = {})
    @resource = record
    @token = token
    @confirmation_url = "#{frontend_url}/confirm-email?token=#{CGI.escape(token)}"

    mail(
      to: record.email,
      subject: opts[:subject].presence || "E-Mail-Adresse bestätigen",
      template_path: "devise/mailer",
      template_name: "confirmation_instructions"
    )
  end

  def reset_password_instructions(record, token, opts = {})
    @resource = record
    @token = token
    @reset_password_url = "#{frontend_url}/reset-password?token=#{CGI.escape(token)}"

    mail(
      to: record.email,
      subject: opts[:subject].presence || "Passwort zurücksetzen",
      template_path: "devise/mailer",
      template_name: "reset_password_instructions"
    )
  end

  private

  def frontend_url
    ENV.fetch("FRONTEND_URL", "http://localhost:13131").delete_suffix("/")
  end
end