# frozen_string_literal: true

RSpec.describe MagentaSSO do
  it "has a version number" do
    expect(MagentaSSO::VERSION).not_to be nil
  end

  describe "#encode_and_sign" do
    it "encodes the payload JSON" do
      payload, = MagentaSSO.encode_and_sign({ "test" => true }, MagentaSSO::TEST_SECRET)
      decoded_payload = JSON.parse(Base64.urlsafe_decode64(payload))

      expect(decoded_payload).to eq({ "test" => true })
    end

    it "signs the payload" do
      _, signature = MagentaSSO.encode_and_sign({ "test" => true }, MagentaSSO::TEST_SECRET)
      expect(signature).to eq "AHlrP-r0AtZ_zK-uQTUqdBPH85q-Ezu3mDUdlSnndMQ"
    end
  end

  describe "#verify_and_decode" do
    it "verifies the signature and returns the decoded payload" do
      payload = MagentaSSO.verify_and_decode(
        "eyJ0ZXN0Ijp0cnVlfQ",
        "AHlrP-r0AtZ_zK-uQTUqdBPH85q-Ezu3mDUdlSnndMQ",
        MagentaSSO::TEST_SECRET
      )

      expect(payload).to eq({ "test" => true })
    end
  end
end