# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Nostr::KeyPair do
  let(:keypair) do
    described_class.new(
      private_key: Nostr::PrivateKey.new('893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900'),
      public_key: Nostr::PublicKey.new('2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558')
    )
  end

  describe '.new' do
    context 'when private_key is not an instance of PrivateKey' do
      it 'raises an error' do
        expect do
          described_class.new(
            private_key: '893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900',
            public_key: Nostr::PublicKey.new('2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558')
          )
        end.to raise_error(ArgumentError, 'private_key is not an instance of PrivateKey')
      end
    end

    context 'when public_key is not an instance of PublicKey' do
      it 'raises an error' do
        expect do
          described_class.new(
            private_key: Nostr::PrivateKey.new('893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900'),
            public_key: '2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558'
          )
        end.to raise_error(ArgumentError, 'public_key is not an instance of PublicKey')
      end
    end

    context 'when private_key is an instance of PrivateKey and public_key is an instance of PublicKey' do
      it 'creates an instance of a key pair' do
        keypair = described_class.new(
          private_key: Nostr::PrivateKey.new('893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900'),
          public_key: Nostr::PublicKey.new('2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558')
        )

        expect(keypair).to be_an_instance_of(described_class)
      end
    end
  end

  describe '#private_key' do
    it 'exposes the private key' do
      expect(keypair.private_key).to eq('893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900')
    end
  end

  describe '#public_key' do
    it 'exposes the public key' do
      expect(keypair.public_key).to eq('2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558')
    end
  end

  describe '#to_ary' do
    it 'converts the key pair to an array' do
      expect(keypair.to_ary).to eq(
        [
          Nostr::PrivateKey.new('893c4cc8088924796b41dc788f7e2f746734497010b1a9f005c1faad7074b900'),
          Nostr::PublicKey.new('2d7661527d573cc8e84f665fa971dd969ba51e2526df00c149ff8e40a58f9558')
        ]
      )
    end
  end
end