require "helper"
require "inspec/input_registry"
require "inspec/secrets"

describe Inspec::InputRegistry do
  let(:registry) { Inspec::InputRegistry }

  def setup
    Inspec::InputRegistry.instance.__reset
  end

  describe "creating a profile input" do
    it "creates an input without options" do
      registry.find_or_register_input("test_input", "dummy_profile")
      # confirm we get the dummy value
      registry.find_or_register_input("test_input", "dummy_profile").value.class.must_equal Inspec::Input::NO_VALUE_SET
    end

    it "creates an input with a value" do
      registry.find_or_register_input("color", "dummy_profile", value: "silver")
      registry.find_or_register_input("color", "dummy_profile").value.must_equal "silver"
    end
  end

  describe "creating a profile with a name alias" do
    it "creates a value input on a profile with an alias" do
      registry.register_profile_alias("old_profile", "new_profile")
      registry.find_or_register_input("color", "new_profile", value: "blue")
      registry.find_or_register_input("color", "new_profile").value.must_equal "blue"
      registry.find_or_register_input("color", "old_profile").value.must_equal "blue"
    end
  end

  describe "creating a profile and select it" do
    it "creates a profile with inputs" do
      registry.find_or_register_input("color", "dummy_profile", value: "silver")
      registry.find_or_register_input("color2", "dummy_profile", value: "blue")
      registry.find_or_register_input("color3", "dummy_profile", value: "green")
      registry.list_inputs_for_profile("dummy_profile").size.must_equal 3
    end
  end

  describe "validate the correct objects are getting created" do
    it "creates a profile with inputs" do
      registry.find_or_register_input("color", "dummy_profile", value: "silver").class.must_equal Inspec::Input
      registry.list_inputs_for_profile("dummy_profile").size.must_equal 1
    end
  end

  describe "validate find_or_register_input method" do
    it "find an input which exist" do
      input = registry.find_or_register_input("color", "dummy_profile")
      input.value = "black"

      registry.find_or_register_input("color", "dummy_profile").value.must_equal "black"
    end
  end

  # =============================================================== #
  #                  Loading inputs from --attrs
  # =============================================================== #
  describe "#bind_profile_inputs" do
    before do
      Inspec::InputRegistry.any_instance.stubs(:validate_inputs_file_readability!)
    end
    let(:seen_inputs) do
      registry.bind_profile_inputs("test_fixture_profile", sources)
      inputs = registry.list_inputs_for_profile("test_fixture_profile")
      # Flatten Input objects down to their values
      inputs.keys.each { |input_name| inputs[input_name] = inputs[input_name].value }
      inputs
    end

    describe "when no CLI --attrs are specified" do
      let(:sources) { { cli_input_files: [] } }
      it "returns an empty hash" do
        seen_inputs.must_equal({})
      end
    end

    describe "when a CLI --attrs option is provided and does not resolve" do
      let(:sources) { { cli_input_files: ["nope.jpg"] } }
      it "raises an exception" do
        Inspec::SecretsBackend.expects(:resolve).with("nope.jpg").returns(nil)
        proc { seen_inputs }.must_raise Inspec::Exceptions::SecretsBackendNotFound
      end
    end

    describe "when a CLI --attrs option is provided and has no inputs" do
      let(:sources) { { cli_input_files: ["empty.yaml"] } }
      it "returns an empty hash" do
        secrets = mock
        secrets.stubs(:inputs).returns(nil)
        Inspec::SecretsBackend.expects(:resolve).with("empty.yaml").returns(secrets)

        seen_inputs.must_equal({})
      end
    end

    describe "when a CLI --attrs file is provided and has inputs" do
      let(:sources) { { cli_input_files: ["file1.yaml"] } }
      it "returns a hash containing the inputs" do
        fixture_inputs = { foo: "bar" }
        secrets = mock
        secrets.stubs(:inputs).returns(fixture_inputs)
        Inspec::SecretsBackend.expects(:resolve).with("file1.yaml").returns(secrets)

        seen_inputs.must_equal(fixture_inputs)
      end
    end

    describe "when multiple CLI --attrs option args are provided and one fails" do
      let(:sources) { { cli_input_files: ["file1.yaml", "file2.yaml"] } }
      it "raises an exception" do
        secrets = mock
        secrets.stubs(:inputs).returns(nil)
        Inspec::SecretsBackend.expects(:resolve).with("file1.yaml").returns(secrets)
        Inspec::SecretsBackend.expects(:resolve).with("file2.yaml").returns(nil)
        proc { seen_inputs }.must_raise Inspec::Exceptions::SecretsBackendNotFound
      end
    end

    describe "when multiple CLI --attrs option args are provided and one has no inputs" do
      let(:sources) { { cli_input_files: ["file1.yaml", "file2.yaml"] } }

      it "returns a hash containing the inputs from the valid files" do
        inputs = { foo: "bar" }
        secrets1 = mock
        secrets1.stubs(:inputs).returns(nil)
        secrets2 = mock
        secrets2.stubs(:inputs).returns(inputs)
        Inspec::SecretsBackend.expects(:resolve).with("file1.yaml").returns(secrets1)
        Inspec::SecretsBackend.expects(:resolve).with("file2.yaml").returns(secrets2)
        seen_inputs.must_equal(inputs)
      end
    end

    describe "when multiple CLI --attrs option args are provided and all have inputs" do
      let(:sources) { { cli_input_files: ["file1.yaml", "file2.yaml"] } }
      it "returns a hash containing all the inputs" do
        secrets1 = mock
        secrets1.stubs(:inputs).returns({ key1: "value1" })
        secrets2 = mock
        secrets2.stubs(:inputs).returns({ key2: "value2" })
        Inspec::SecretsBackend.expects(:resolve).with("file1.yaml").returns(secrets1)
        Inspec::SecretsBackend.expects(:resolve).with("file2.yaml").returns(secrets2)
        seen_inputs.must_equal({ key1: "value1", key2: "value2" })
      end
    end
  end
end