// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/glic/public/glic_enabling.h"
#include "chrome/common/chrome_features.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace glic {

TEST(GlicProfileEnablementTest,
     RecordProfileIneligibilityMetricsAtStartup_FeatureDisabled) {
  content::BrowserTaskEnvironment task_environment;
  base::HistogramTester histograms;
  TestingProfile profile;

  base::test::ScopedFeatureList feature_list;
  feature_list.InitAndDisableFeature(features::kGlic);

  GlicEnabling::RecordProfileIneligibilityMetricsAtStartup(&profile);

  histograms.ExpectUniqueSample("Glic.ProfileEnablement.IsEnabled.Startup",
                                false, 1);
  histograms.ExpectBucketCount(
      "Glic.ProfileEnablement.DisabledReason.Startup",
      GlicEnabling::ProfileEnablement::DisabledReason::kFeatureDisabled, 1);
}

TEST(GlicProfileEnablementTest,
     RecordProfileIneligibilityMetricsAtStartup_NotRegularProfile) {
  content::BrowserTaskEnvironment task_environment;
  base::HistogramTester histograms;

  TestingProfile::Builder builder;
  builder.SetGuestSession();
  std::unique_ptr<TestingProfile> profile = builder.Build();

  GlicEnabling::RecordProfileIneligibilityMetricsAtStartup(profile.get());

  histograms.ExpectUniqueSample("Glic.ProfileEnablement.IsEnabled.Startup",
                                false, 1);
  histograms.ExpectBucketCount(
      "Glic.ProfileEnablement.DisabledReason.Startup",
      GlicEnabling::ProfileEnablement::DisabledReason::kNotRegularProfile, 1);
}

TEST(GlicProfileEnablementTest, RecordMetrics) {
  base::HistogramTester histograms;
  GlicEnabling::ProfileEnablement enablement;

  enablement.RecordStartupMetrics();

  histograms.ExpectUniqueSample("Glic.ProfileEnablement.IsEnabled.Startup",
                                true, 1);
  histograms.ExpectUniqueSample("Glic.ProfileEnablement.IsConsented.Startup",
                                true, 1);
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.EligibleForLive.Startup", true, 1);
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.IsPrimaryAccountFullySignedIn.Startup", true, 1);
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.IsPrimaryAccountNeedsSignedIn.Startup", false, 1);
  histograms.ExpectTotalCount("Glic.ProfileEnablement.DisabledReason.Startup",
                              0);

  // Set some reasons for disablement
  enablement.feature_enabled = false;
  enablement.is_rolled_out = false;
  enablement.fre_is_consented = false;
  enablement.live_allowed = false;
  enablement.primary_account_is_fully_signed_in = false;
  enablement.primary_account_needs_signed_in = true;

  enablement.RecordSteadyStateMetrics();

  histograms.ExpectUniqueSample("Glic.ProfileEnablement.IsEnabled.SteadyState",
                                false, 1);
  histograms.ExpectBucketCount(
      "Glic.ProfileEnablement.DisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::DisabledReason::kFeatureDisabled, 1);
  histograms.ExpectBucketCount(
      "Glic.ProfileEnablement.DisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::DisabledReason::kNotRolledOut, 1);
  histograms.ExpectTotalCount(
      "Glic.ProfileEnablement.DisabledReason.SteadyState", 2);

  // Sub-features
  histograms.ExpectTotalCount("Glic.ProfileEnablement.IsConsented.SteadyState",
                              0);
  // EligibleForLive is false because feature_disabled is true
  // (IsProfileEligible() is false)
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.EligibleForLive.SteadyState", false, 1);
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.IsPrimaryAccountFullySignedIn.SteadyState", false,
      1);
  histograms.ExpectUniqueSample(
      "Glic.ProfileEnablement.IsPrimaryAccountNeedsSignedIn.SteadyState", true,
      1);
}

TEST(GlicProfileEnablementTest, RecordFeatureDisabledReason) {
  base::HistogramTester histograms;
  GlicEnabling::ProfileEnablement enablement;

  enablement.feature_enabled = false;
  enablement.feature_flag_enabled = false;
  enablement.allowed_by_country_filter = false;
  enablement.allowed_by_locale_filter = false;
  enablement.system_requirement_met = false;

  enablement.RecordStartupMetrics();

  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.Startup",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::
          kFeatureFlagDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.Startup",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::kCountryDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.Startup",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::kLocaleDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.Startup",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::
          kSystemRequirementNotMet,
      1);
  histograms.ExpectTotalCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.Startup", 4);

  enablement.RecordSteadyStateMetrics();

  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::
          kFeatureFlagDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::kCountryDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::kLocaleDisabled,
      1);
  histograms.ExpectBucketCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.SteadyState",
      GlicEnabling::ProfileEnablement::FeatureDisabledReason::
          kSystemRequirementNotMet,
      1);
  histograms.ExpectTotalCount(
      "Glic.GlobalEnabling.FeatureDisabledReason.SteadyState", 4);
}

}  // namespace glic