# frozen_string_literal: true

module Services
  # The service responsible for JWT generation.
  class TokenGenerationService
    def initialize(params)
      @email = params[:email]
      @role = params[:role]
      @session_key = params[:session_key]
    end

    def call(expiration)
      JWT.encode(payload.merge({ exp: expiration.to_i }), ENV['HMAC_SECRET_KEY'], 'HS512')
    end

    private

    def payload
      { data: @email, aud: @role, jti: @session_key }
    end
  end
end