/*
 * Copyright (C) 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.server.healthconnect.logging;

import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__API_METHOD__INSERT_DATA;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__API_STATUS__ERROR;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__API_STATUS__SUCCESS;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__BACKGROUND;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__FOREGROUND;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__UNSPECIFIED;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__RATE_LIMIT__NOT_USED;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_BACKGROUND_15_MIN_ABOVE_3000;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_BACKGROUND_24_HRS_BW_3000_TO_4000;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_FOREGROUND_15_MIN_BW_3000_TO_4000;
import static android.health.HealthFitnessStatsLog.HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_FOREGROUND_24_HRS_BW_3000_TO_4000;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_READS_PER_15M_BACKGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_READS_PER_15M_FOREGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_READS_PER_24H_BACKGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_READS_PER_24H_FOREGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_WRITES_PER_15M_BACKGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_WRITES_PER_15M_FOREGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_WRITES_PER_24H_BACKGROUND;
import static android.health.connect.ratelimiter.RateLimiter.QuotaBucket.QUOTA_BUCKET_WRITES_PER_24H_FOREGROUND;

import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.anyInt;
import static org.mockito.Mockito.anyLong;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import android.health.HealthFitnessStatsLog;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import com.android.server.healthconnect.common.logging.HealthConnectServiceLogger;
import com.android.server.healthconnect.common.logging.HealthConnectServiceLogger.ApiMethods;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;

@RunWith(AndroidJUnit4.class)
public class HealthConnectServiceLoggerTest {

    private static final int CALLER_FOREGROUND_STATE_UNSPECIFIED =
            HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__UNSPECIFIED;
    private static final int CALLER_FOREGROUND_STATE_FOREGROUND =
            HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__FOREGROUND;
    private static final int CALLER_FOREGROUND_STATE_BACKGROUND =
            HEALTH_CONNECT_API_CALLED__CALLER_FOREGROUND_STATE__BACKGROUND;
    private static final String TEST_APP_PACKAGE_NAME = "com.test.app";

    @Rule public final MockitoRule mMockitoRule = MockitoJUnit.rule();

    @Mock private HealthFitnessStatsLog mHealthFitnessStatsLog;

    @Test
    public void testDoNotLog_HoldsDataManagementPermission() {

        new HealthConnectServiceLogger.Builder(true, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(0))
                .write(
                        anyInt(),
                        anyInt(),
                        anyInt(),
                        anyInt(),
                        anyLong(),
                        anyInt(),
                        anyInt(),
                        anyInt(),
                        anyString());
    }

    @Test
    public void testLogs_notHoldsDataManagementPermission() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_foreground15MinRead() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_READS_PER_15M_FOREGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.FOREGROUND_15_MIN_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_background15MinRead() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_READS_PER_15M_BACKGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.BACKGROUND_15_MIN_ABOVE_3000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_background24hourRead() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_READS_PER_24H_BACKGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.BACKGROUND_24_HRS_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_foreground24hourRead() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_READS_PER_24H_FOREGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.FOREGROUND_24_HRS_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_foreground15MinWrite() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_15M_FOREGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.FOREGROUND_15_MIN_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_background15MinWrite() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_15M_BACKGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.BACKGROUND_15_MIN_ABOVE_3000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_background24hourWrite() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_24H_BACKGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.BACKGROUND_24_HRS_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testRateLimiter_foreground24hourWrite() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_24H_FOREGROUND, 3000)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.FOREGROUND_24_HRS_BW_3000_TO_4000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testApiSuccessLogs() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthDataServiceApiStatusSuccess()
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__SUCCESS),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testApiErrorLogs() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthDataServiceApiStatusError(2)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__ERROR),
                        eq(2),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testSetNumberOfRecords() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setNumberOfRecords(10)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(10),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testAllFields_successStatus() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.INSERT_DATA)
                .setHealthDataServiceApiStatusSuccess()
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_15M_BACKGROUND, 3000)
                .setNumberOfRecords(10)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__INSERT_DATA),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__SUCCESS),
                        eq(0),
                        anyLong(),
                        eq(10),
                        eq(RateLimitingRanges.BACKGROUND_15_MIN_ABOVE_3000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testAllFields_errorStatus() {

        new HealthConnectServiceLogger.Builder(false, ApiMethods.INSERT_DATA)
                .setHealthDataServiceApiStatusError(1)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .setRateLimit(QUOTA_BUCKET_WRITES_PER_15M_BACKGROUND, 3000)
                .setNumberOfRecords(10)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__INSERT_DATA),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__ERROR),
                        eq(1),
                        anyLong(),
                        eq(10),
                        eq(RateLimitingRanges.BACKGROUND_15_MIN_ABOVE_3000),
                        eq(CALLER_FOREGROUND_STATE_UNSPECIFIED),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testCallerForegroundState() {
        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .setCallerForegroundState(true)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog, times(1))
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_FOREGROUND),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    @Test
    public void testCallerBackgroundState() {
        new HealthConnectServiceLogger.Builder(false, ApiMethods.API_METHOD_UNKNOWN)
                .setHealthFitnessStatsLog(mHealthFitnessStatsLog)
                .setCallerForegroundState(false)
                .setPackageName(TEST_APP_PACKAGE_NAME)
                .build()
                .log();

        // then
        verify(mHealthFitnessStatsLog)
                .write(
                        eq(HEALTH_CONNECT_API_CALLED),
                        eq(HEALTH_CONNECT_API_CALLED__API_METHOD__API_METHOD_UNKNOWN),
                        eq(HEALTH_CONNECT_API_CALLED__API_STATUS__STATUS_UNKNOWN),
                        eq(0),
                        anyLong(),
                        eq(0),
                        eq(RateLimitingRanges.NOT_USED),
                        eq(CALLER_FOREGROUND_STATE_BACKGROUND),
                        eq(TEST_APP_PACKAGE_NAME));
    }

    private static final class RateLimitingRanges {

        private static final int NOT_USED = HEALTH_CONNECT_API_CALLED__RATE_LIMIT__NOT_USED;
        private static final int FOREGROUND_15_MIN_BW_3000_TO_4000 =
                HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_FOREGROUND_15_MIN_BW_3000_TO_4000;
        private static final int BACKGROUND_15_MIN_ABOVE_3000 =
                HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_BACKGROUND_15_MIN_ABOVE_3000;
        private static final int FOREGROUND_24_HRS_BW_3000_TO_4000 =
                HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_FOREGROUND_24_HRS_BW_3000_TO_4000;
        private static final int BACKGROUND_24_HRS_BW_3000_TO_4000 =
                HEALTH_CONNECT_API_CALLED__RATE_LIMIT__RATE_LIMIT_BACKGROUND_24_HRS_BW_3000_TO_4000;
    }
}