# frozen_string_literal: true

describe QA::Runtime::Env do
  include Support::StubENV

  shared_examples 'boolean method' do |method, env_key, default|
    context 'when there is an env variable set' do
      it 'returns false when falsey values specified' do
        stub_env(env_key, 'false')
        expect(described_class.public_send(method)).to be_falsey

        stub_env(env_key, 'no')
        expect(described_class.public_send(method)).to be_falsey

        stub_env(env_key, '0')
        expect(described_class.public_send(method)).to be_falsey
      end

      it 'returns true when anything else specified' do
        stub_env(env_key, 'true')
        expect(described_class.public_send(method)).to be_truthy

        stub_env(env_key, '1')
        expect(described_class.public_send(method)).to be_truthy

        stub_env(env_key, 'anything')
        expect(described_class.public_send(method)).to be_truthy
      end
    end

    context 'when there is no env variable set' do
      it "returns the default, #{default}" do
        stub_env(env_key, nil)
        expect(described_class.public_send(method)).to be(default)
      end
    end
  end

  describe '.signup_disabled?' do
    it_behaves_like 'boolean method', :signup_disabled?, 'SIGNUP_DISABLED', false
  end

  describe '.debug?' do
    it_behaves_like 'boolean method', :debug?, 'QA_DEBUG', false
  end

  describe '.chrome_headless?' do
    it_behaves_like 'boolean method', :chrome_headless?, 'CHROME_HEADLESS', true
  end

  describe '.running_in_ci?' do
    context 'when there is an env variable set' do
      it 'returns true if CI' do
        stub_env('CI', 'anything')
        expect(described_class.running_in_ci?).to be_truthy
      end

      it 'returns true if CI_SERVER' do
        stub_env('CI_SERVER', 'anything')
        expect(described_class.running_in_ci?).to be_truthy
      end
    end

    context 'when there is no env variable set' do
      it 'returns true' do
        stub_env('CI', nil)
        stub_env('CI_SERVER', nil)
        expect(described_class.running_in_ci?).to be_falsey
      end
    end
  end

  describe '.personal_access_token' do
    around do |example|
      described_class.instance_variable_set(:@personal_access_token, nil)
      example.run
      described_class.instance_variable_set(:@personal_access_token, nil)
    end

    context 'when PERSONAL_ACCESS_TOKEN is set' do
      before do
        stub_env('PERSONAL_ACCESS_TOKEN', 'a_token')
      end

      it 'returns specified token from env' do
        expect(described_class.personal_access_token).to eq 'a_token'
      end
    end

    context 'when @personal_access_token is set' do
      before do
        described_class.personal_access_token = 'another_token'
      end

      it 'returns the instance variable value' do
        expect(described_class.personal_access_token).to eq 'another_token'
      end
    end
  end

  describe '.personal_access_token=' do
    around do |example|
      described_class.instance_variable_set(:@personal_access_token, nil)
      example.run
      described_class.instance_variable_set(:@personal_access_token, nil)
    end

    it 'saves the token' do
      described_class.personal_access_token = 'a_token'

      expect(described_class.personal_access_token).to eq 'a_token'
    end
  end

  describe '.forker?' do
    before do
      stub_env('GITLAB_FORKER_USERNAME', nil)
      stub_env('GITLAB_FORKER_PASSWORD', nil)
    end

    it 'returns false if no forker credentials are defined' do
      expect(described_class).not_to be_forker
    end

    it 'returns false if only forker username is defined' do
      stub_env('GITLAB_FORKER_USERNAME', 'foo')

      expect(described_class).not_to be_forker
    end

    it 'returns false if only forker password is defined' do
      stub_env('GITLAB_FORKER_PASSWORD', 'bar')

      expect(described_class).not_to be_forker
    end

    it 'returns true if forker username and password are defined' do
      stub_env('GITLAB_FORKER_USERNAME', 'foo')
      stub_env('GITLAB_FORKER_PASSWORD', 'bar')

      expect(described_class).to be_forker
    end
  end

  describe '.github_access_token' do
    it 'returns "" if GITHUB_ACCESS_TOKEN is not defined' do
      stub_env('GITHUB_ACCESS_TOKEN', nil)

      expect(described_class.github_access_token).to eq('')
    end

    it 'returns stripped string if GITHUB_ACCESS_TOKEN is defined' do
      stub_env('GITHUB_ACCESS_TOKEN', ' abc123 ')
      expect(described_class.github_access_token).to eq('abc123')
    end
  end

  describe '.require_github_access_token!' do
    it 'raises ArgumentError if GITHUB_ACCESS_TOKEN is not defined' do
      stub_env('GITHUB_ACCESS_TOKEN', nil)

      expect { described_class.require_github_access_token! }.to raise_error(ArgumentError)
    end

    it 'does not raise if GITHUB_ACCESS_TOKEN is defined' do
      stub_env('GITHUB_ACCESS_TOKEN', ' abc123 ')

      expect { described_class.require_github_access_token! }.not_to raise_error
    end
  end

  describe '.log_destination' do
    it 'returns $stdout if QA_LOG_PATH is not defined' do
      stub_env('QA_LOG_PATH', nil)

      expect(described_class.log_destination).to eq($stdout)
    end

    it 'returns the path if QA_LOG_PATH is defined' do
      stub_env('QA_LOG_PATH', 'path/to_file')

      expect(described_class.log_destination).to eq('path/to_file')
    end
  end
end