if DependencyHelper.capistrano2_present?
  require "capistrano"
  require "capistrano/configuration"
  require "appsignal/capistrano"

  describe "Capistrano 2 integration" do
    let(:out_stream) { std_stream }
    let(:output) { out_stream.read }
    let(:config) { build_config }
    let(:capistrano_config) do
      Capistrano::Configuration.new.tap do |c|
        c.set(:rails_env, "production")
        c.set(:repository, "main")
        c.set(:deploy_to, "/home/username/app")
        c.set(:current_release, "")
        c.set(:current_revision, "503ce0923ed177a3ce000005")
        c.dry_run = false
      end
    end
    before { Appsignal::Integrations::Capistrano.tasks(capistrano_config) }

    def run
      capture_stdout(out_stream) do
        capistrano_config.find_and_execute_task("appsignal:deploy")
      end
    end

    it "has a deploy task" do
      expect(capistrano_config.find_task("appsignal:deploy")).to_not be_nil
    end

    describe "appsignal:deploy task" do
      before do
        ENV["USER"] = "batman"
        ENV["PWD"] = project_fixture_path
      end

      context "config" do
        before do
          capistrano_config.dry_run = true
        end

        context "when appsignal_config is available" do
          before do
            capistrano_config.set(
              :appsignal_config,
              :name => "AppName",
              :active => true,
              :push_api_key => "abc"
            )
          end

          it "overrides the default config with the custom appsignal_config" do
            original_new = Appsignal::Marker.method(:new)

            expect(Appsignal::Marker).to receive(:new) do |data, given_config|
              expect(given_config[:name]).to eq("AppName")
              original_new.call(data, given_config)
            end

            run
          end

          context "when rack_env is used instead of rails_env" do
            before do
              capistrano_config.unset(:rails_env)
              capistrano_config.set(:rack_env, "rack_production")
            end

            it "uses the rack_env as the env" do
              original_new = Appsignal::Marker.method(:new)

              expect(Appsignal::Marker).to receive(:new) do |data, given_config|
                expect(given_config.env).to eq("rack_production")
                original_new.call(data, given_config)
              end

              run
            end
          end

          context "when stage is used instead of rack_env / rails_env" do
            before do
              capistrano_config.unset(:rails_env)
              capistrano_config.set(:stage, "stage_production")
            end

            it "uses the stage as the env" do
              original_new = Appsignal::Marker.method(:new)

              expect(Appsignal::Marker).to receive(:new) do |data, given_config|
                expect(given_config.env).to eq("stage_production")
                original_new.call(data, given_config)
              end

              run
            end
          end

          context "when appsignal_env is set" do
            before do
              capistrano_config.set(:rack_env, "rack_production")
              capistrano_config.set(:stage, "stage_production")
              capistrano_config.set(:appsignal_env, "appsignal_production")
            end

            it "uses the appsignal_env as the env" do
              original_new = Appsignal::Marker.method(:new)

              expect(Appsignal::Marker).to receive(:new) do |data, given_config|
                expect(given_config.env).to eq("appsignal_production")
                original_new.call(data, given_config)
              end

              run
            end
          end

          context "with invalid config" do
            before do
              capistrano_config.set(:appsignal_config, :push_api_key => nil)
            end

            it "does not continue with invalid config" do
              run
              expect(output).to include \
                "Not notifying of deploy, config is not active for environment: production"
            end
          end
        end
      end

      describe "markers" do
        def stub_marker_request(data = {})
          stub_api_request config, "markers", marker_data.merge(data)
        end

        let(:marker_data) do
          {
            :revision => "503ce0923ed177a3ce000005",
            :user => "batman"
          }
        end

        context "when active for this environment" do
          it "transmits marker" do
            stub_marker_request.to_return(:status => 200)
            run

            expect(output).to include \
              "Notifying AppSignal of deploy with: revision: 503ce0923ed177a3ce000005," \
                " user: batman",
              "AppSignal has been notified of this deploy!"
          end

          context "with overridden revision" do
            before do
              capistrano_config.set(:appsignal_revision, "abc123")
              stub_marker_request(:revision => "abc123").to_return(:status => 200)
              run
            end

            it "transmits the overridden revision" do
              expect(output).to include \
                "Notifying AppSignal of deploy with: revision: abc123, user: batman",
                "AppSignal has been notified of this deploy!"
            end
          end

          context "with overridden deploy user" do
            before do
              capistrano_config.set(:appsignal_user, "robin")
              stub_marker_request(:user => "robin").to_return(:status => 200)
              run
            end

            it "transmits the overridden deploy user" do
              expect(output).to include \
                "Notifying AppSignal of deploy with: revision: 503ce0923ed177a3ce000005," \
                  " user: robin",
                "AppSignal has been notified of this deploy!"
            end
          end

          context "with failed request" do
            before do
              stub_marker_request.to_return(:status => 500)
              run
            end

            it "does not transmit marker" do
              expect(output).to include \
                "Notifying AppSignal of deploy with: revision: 503ce0923ed177a3ce000005," \
                  " user: batman",
                "Something went wrong while trying to notify AppSignal:"
              expect(output).to_not include "AppSignal has been notified of this deploy!"
            end
          end

          context "when dry run" do
            before do
              capistrano_config.dry_run = true
              run
            end

            it "does not transmit marker" do
              expect(output).to include \
                "Dry run: AppSignal deploy marker not actually sent."
            end
          end
        end

        context "when not active for this environment" do
          before do
            capistrano_config.set(:rails_env, "nonsense")
            run
          end

          it "does not transmit marker" do
            expect(output).to include \
              "Not notifying of deploy, config is not active for environment: nonsense"
          end
        end
      end
    end
  end
end