// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/autofill_assistant/browser/metrics.h"

#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "components/ukm/content/source_url_recorder.h"
#include "services/metrics/public/cpp/ukm_builders.h"

namespace autofill_assistant {

namespace {
const char kDropOutEnumName[] = "Android.AutofillAssistant.DropOutReason";
const char kPaymentRequestPrefilledName[] =
    "Android.AutofillAssistant.PaymentRequest.Prefilled";
const char kPaymentRequestAutofillInfoChangedName[] =
    "Android.AutofillAssistant.PaymentRequest.AutofillChanged";
const char kPaymentRequestFirstNameOnly[] =
    "Android.AutofillAssistant.PaymentRequest.FirstNameOnly";
const char kPaymentRequestMandatoryPostalCode[] =
    "Android.AutofillAssistant.PaymentRequest.MandatoryPostalCode";
static bool DROPOUT_RECORDED = false;
}  // namespace

// static
void Metrics::RecordDropOut(DropOutReason reason) {
  DCHECK_LE(reason, DropOutReason::kMaxValue);
  if (DROPOUT_RECORDED) {
    return;
  }
  DVLOG_IF(3, reason != DropOutReason::AA_START)
      << "Drop out with reason: " << reason;
  base::UmaHistogramEnumeration(kDropOutEnumName, reason);
  DROPOUT_RECORDED = true;
}

// static
void Metrics::RecordPaymentRequestPrefilledSuccess(bool initially_complete,
                                                   bool success) {
  if (initially_complete && success) {
    base::UmaHistogramEnumeration(kPaymentRequestPrefilledName,
                                  PaymentRequestPrefilled::PREFILLED_SUCCESS);
  } else if (initially_complete && !success) {
    base::UmaHistogramEnumeration(kPaymentRequestPrefilledName,
                                  PaymentRequestPrefilled::PREFILLED_FAILURE);
  } else if (!initially_complete && success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestPrefilledName,
        PaymentRequestPrefilled::NOTPREFILLED_SUCCESS);
  } else if (!initially_complete && !success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestPrefilledName,
        PaymentRequestPrefilled::NOTPREFILLED_FAILURE);
  }
}

// static
void Metrics::RecordPaymentRequestAutofillChanged(bool changed, bool success) {
  if (changed && success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestAutofillInfoChangedName,
        PaymentRequestAutofillInfoChanged::CHANGED_SUCCESS);
  } else if (changed && !success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestAutofillInfoChangedName,
        PaymentRequestAutofillInfoChanged::CHANGED_FAILURE);
  } else if (!changed && success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestAutofillInfoChangedName,
        PaymentRequestAutofillInfoChanged::NOTCHANGED_SUCCESS);
  } else if (!changed && !success) {
    base::UmaHistogramEnumeration(
        kPaymentRequestAutofillInfoChangedName,
        PaymentRequestAutofillInfoChanged::NOTCHANGED_FAILURE);
  }
}

// static
void Metrics::RecordPaymentRequestFirstNameOnly(bool first_name_only) {
  base::UmaHistogramBoolean(kPaymentRequestFirstNameOnly, first_name_only);
}

// static
void Metrics::RecordPaymentRequestMandatoryPostalCode(bool required,
                                                      bool initially_right,
                                                      bool success) {
  PaymentRequestMandatoryPostalCode mandatory_postal_code;
  if (!required) {
    mandatory_postal_code = PaymentRequestMandatoryPostalCode::NOT_REQUIRED;
  } else if (initially_right && success) {
    mandatory_postal_code =
        PaymentRequestMandatoryPostalCode::REQUIRED_INITIALLY_RIGHT_SUCCESS;
  } else if (initially_right && !success) {
    mandatory_postal_code =
        PaymentRequestMandatoryPostalCode::REQUIRED_INITIALLY_RIGHT_FAILURE;
  } else if (!initially_right && success) {
    mandatory_postal_code =
        PaymentRequestMandatoryPostalCode::REQUIRED_INITIALLY_WRONG_SUCCESS;
  } else if (!initially_right && !success) {
    mandatory_postal_code =
        PaymentRequestMandatoryPostalCode::REQUIRED_INITIALLY_WRONG_FAILURE;
  } else {
    DCHECK(false) << "Not reached";
    return;
  }

  base::UmaHistogramEnumeration(kPaymentRequestMandatoryPostalCode,
                                mandatory_postal_code);
}

// static
void Metrics::RecordLiteScriptFinished(ukm::UkmRecorder* ukm_recorder,
                                       content::WebContents* web_contents,
                                       LiteScriptFinishedState event) {
  ukm::builders::AutofillAssistant_LiteScriptFinished(
      ukm::GetSourceIdForWebContentsDocument(web_contents))
      .SetLiteScriptFinished(static_cast<int64_t>(event))
      .Record(ukm_recorder);
}

// static
void Metrics::RecordLiteScriptShownToUser(ukm::UkmRecorder* ukm_recorder,
                                          content::WebContents* web_contents,
                                          LiteScriptShownToUser event) {
  ukm::builders::AutofillAssistant_LiteScriptShownToUser(
      ukm::GetSourceIdForWebContentsDocument(web_contents))
      .SetLiteScriptShownToUser(static_cast<int64_t>(event))
      .Record(ukm_recorder);
}

// static
void Metrics::RecordLiteScriptOnboarding(ukm::UkmRecorder* ukm_recorder,
                                         content::WebContents* web_contents,
                                         LiteScriptOnboarding event) {
  ukm::builders::AutofillAssistant_LiteScriptOnboarding(
      ukm::GetSourceIdForWebContentsDocument(web_contents))
      .SetLiteScriptOnboarding(static_cast<int64_t>(event))
      .Record(ukm_recorder);
}

}  // namespace autofill_assistant