package com.battery.business.service.impl;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.math.BigDecimal;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneOffset;
import java.util.Date;
import java.util.HexFormat;
import java.util.List;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.springframework.boot.test.system.CapturedOutput;
import org.springframework.boot.test.system.OutputCaptureExtension;
import com.battery.device.api.TestDataObservationAdapter;
import com.battery.device.api.model.ChannelIdentity;
import com.battery.device.api.TestDataObservationAdapter.CycleRecord;
import com.battery.device.api.TestDataObservationAdapter.StepRecord;
import com.battery.device.api.TestDataObservationAdapter.CabinetRealtime;
import com.battery.device.api.TestDataObservationAdapter.CollectorMeasurement;
import com.battery.device.api.TestDataObservationAdapter.CollectorRealtime;
import com.battery.business.domain.TTest;
import com.battery.business.domain.TTestBattery;
import com.battery.business.domain.TTestChannelBinding;
import com.battery.business.domain.TTestCollectorChannel;
import com.battery.business.domain.TTestCycleRecord;
import com.battery.business.domain.TTestRealtimeRecord;
import com.battery.business.domain.TTestStepRecord;
import com.battery.business.mapper.TTestMapper;
import com.battery.business.service.ITTestService;

/** Ticket08 通过接收入口验证三类持久化事实。 */
@ExtendWith(OutputCaptureExtension.class)
class TestDataReceptionServiceImplTest
{
    private static final Instant CAPTURED_AT = Instant.parse("2026-09-02T04:01:00Z");
    private static final Clock CLOCK = Clock.fixed(CAPTURED_AT, ZoneOffset.UTC);

    @Test
    void detectsRealtimeTemperatureExceededBetweenPersistenceSlots()
    {
        Fixture fixture = fixture();
        var threshold = new com.battery.business.domain.TTestWarningThreshold();
        threshold.setThresholdId(11L); threshold.setMetricCode("TEMPERATURE");
        threshold.setMinValue(new BigDecimal("8")); threshold.setMaxValue(new BigDecimal("33"));
        threshold.setUnit("℃"); threshold.setSeverity("WARNING");
        fixture.tests.selectTestById(1L).setThresholds(List.of(threshold));
        Clock clock = mock(Clock.class);
        when(clock.instant()).thenReturn(CAPTURED_AT);
        var service = new TestDataReceptionServiceImpl(fixture.mapper, fixture.tests, fixture.simulator, clock);
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(true,
                List.of(collector("S-01", 10L, "temperature", "25.1", "℃"))));
        when(fixture.mapper.insertRealtimeRecord(any())).thenReturn(1);
        service.captureReceivedData();

        when(clock.instant()).thenReturn(CAPTURED_AT.plusSeconds(5));
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(true,
                List.of(collector("S-01", 11L, "temperature", "38", "℃"))));
        service.captureReceivedData();

        verify(fixture.mapper).upsertWarningException(eq(1L), eq(11L), eq("COLLECTOR"), any(),
                eq("temperature"), eq(new BigDecimal("38")), eq("℃"), any(), eq("WARNING"), any(Date.class));
        verify(fixture.mapper, times(1)).insertRealtimeRecord(any());
    }

    @Test
    void primaryOvertemperatureIsNotOverwrittenByNormalSecondaryTemperature()
    {
        Fixture fixture = fixture();
        var threshold = new com.battery.business.domain.TTestWarningThreshold();
        threshold.setThresholdId(11L); threshold.setMetricCode("TEMPERATURE");
        threshold.setMinValue(new BigDecimal("8")); threshold.setMaxValue(new BigDecimal("33"));
        threshold.setUnit("℃"); threshold.setSeverity("WARNING");
        var test = fixture.tests.selectTestById(1L);
        test.setThresholds(List.of(threshold));
        test.getBatteries().get(0).setCollectorChannels(List.of(
                mapping("PRIMARY_TEMPERATURE", "S-01"), mapping("SECONDARY_TEMPERATURE_2", "S-03"),
                mapping("SECONDARY_TEMPERATURE_3", "S-05")));
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(true, List.of(
                collector("S-01", 10L, "temperature", "38", "℃"),
                collector("S-03", 10L, "temperature", "25.3", "℃"),
                collector("S-05", 10L, "temperature", "25.5", "℃"))));
        when(fixture.mapper.insertRealtimeRecord(any())).thenReturn(1);

        fixture.service().captureReceivedData();

        verify(fixture.mapper).upsertWarningException(eq(1L), eq(11L), eq("COLLECTOR"), any(),
                eq("temperature"), eq(new BigDecimal("38")), eq("℃"), any(), eq("WARNING"), any(Date.class));
        var row = ArgumentCaptor.forClass(TTestRealtimeRecord.class);
        verify(fixture.mapper).insertRealtimeRecord(row.capture());
        assertEquals(new BigDecimal("38"), row.getValue().getTemperature());
        assertTrue(row.getValue().getExtensionMeasurementsJson().contains("SECONDARY_TEMPERATURE_3"));
    }

    @Test
    void recordsOfflineSourcesInBackgroundEvenWithoutSuccessfulSamples() {
        Fixture fixture = fixture();
        when(fixture.mapper.selectOfflineTestSources(1L)).thenReturn(List.of(
                new com.battery.business.domain.vo.OfflineTestSource("COLLECTOR", "9")));
        var service = fixture.service();

        service.captureReceivedData();
        service.captureReceivedData();

        verify(fixture.mapper).upsertOfflineException(1L, "COLLECTOR", "9", Date.from(CAPTURED_AT));
        verify(fixture.mapper, never()).insertRealtimeRecord(any());
        when(fixture.mapper.selectTestByIdForUpdate(1L)).thenReturn(null);
        service.captureReceivedData();
        verify(fixture.mapper, times(1)).selectOfflineTestSources(1L);
    }

    @Test
    void savesOneCombinedRealtimeRowForOneBatteryPollingSlot()
    {
        Fixture fixture = fixture();
        when(fixture.simulator.latestCabinet(any(ChannelIdentity.class))).thenReturn(cabinetRecord());
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(true, List.of(
                collector("S-01", 10L, "TEMPERATURE", "25.100", "℃"),
                collector("S-02", 10L, "POSITIVE_POTENTIAL", "1.620", "V"),
                collector("S-03", 10L, "NEGATIVE_POTENTIAL", "1.610", "V"),
                collector("S-04", 10L, "AMBIENT_TEMPERATURE", "23.400", "℃"))));
        when(fixture.mapper.insertRealtimeRecord(any())).thenReturn(1);

        fixture.service().captureReceivedData();

        ArgumentCaptor<TTestRealtimeRecord> saved = ArgumentCaptor.forClass(TTestRealtimeRecord.class);
        verify(fixture.mapper).insertRealtimeRecord(saved.capture());
        TTestRealtimeRecord row = saved.getValue();
        assertEquals("2026-09-02 12:00:40.000", row.getCollectorDeviceTimeRaw());
        assertEquals("2026-09-02 12:00:30.000", row.getCabinetDeviceTimeRaw());
        assertEquals(1L, row.getTestId());
        assertEquals(4L, row.getTestBatteryId());
        assertEquals(2L, row.getBindingId());
        assertEquals("dev-sim:22:1:1:1", row.getSourceIdentity());
        assertEquals("cabinet:7:collector:10", row.getSourceRecordId());
        assertEquals(Date.from(Instant.parse("2026-09-02T04:00:30Z")), row.getCabinetDeviceTimeUtc());
        assertEquals(Date.from(Instant.parse("2026-09-02T04:00:40Z")), row.getCollectorDeviceTimeUtc());
        assertEquals(new BigDecimal("25.100"), row.getTemperature());
        assertEquals(new BigDecimal("1.620"), row.getPositivePotential());
        assertEquals(new BigDecimal("1.610"), row.getNegativePotential());
        assertTrue(row.getExtensionMeasurementsJson().contains("AMBIENT_TEMPERATURE"));
        assertTrue(!row.getExtensionMeasurementsJson().contains("POSITIVE_POTENTIAL"));
    }

    @Test
    void savesCollectorFieldsWhenCabinetSourceFails()
    {
        Fixture fixture = fixture();
        when(fixture.simulator.latestCabinet(any(ChannelIdentity.class))).thenThrow(new IllegalArgumentException("offline"));
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(true,
                List.of(collector("S-01", 11L, "TEMPERATURE", "26.2", "℃"))));
        when(fixture.mapper.insertRealtimeRecord(any())).thenReturn(1);

        fixture.service().captureReceivedData();

        ArgumentCaptor<TTestRealtimeRecord> saved = ArgumentCaptor.forClass(TTestRealtimeRecord.class);
        verify(fixture.mapper).insertRealtimeRecord(saved.capture());
        assertNull(saved.getValue().getCabinetSequenceId());
        assertNull(saved.getValue().getCabinetDevtype());
        assertNull(saved.getValue().getCabinetAdapterTimezoneId());
        assertNull(saved.getValue().getVoltageV());
        assertEquals(11L, saved.getValue().getCollectorSequenceId());
        assertEquals("collector:11", saved.getValue().getSourceRecordId());
        assertEquals(new BigDecimal("26.2"), saved.getValue().getTemperature());
        assertNull(saved.getValue().getPositivePotential());
    }

    @Test
    void savesOnlyDeviceReturnedStepAndCycleRecords()
    {
        Fixture fixture = fixture();
        Instant started = Instant.parse("2026-09-02T04:00:10Z");
        Instant ended = Instant.parse("2026-09-02T04:00:50Z");
        when(fixture.simulator.stepRecords(any(ChannelIdentity.class))).thenReturn(List.of(new StepRecord(
                "STEP-1", 1, 2, "恒流充电", "cc", started, ended, 3.4, 2.5, 8.4, ended.toString(), "UTC", ended, java.util.Map.of())));
        when(fixture.simulator.cycleRecords(any(ChannelIdentity.class))).thenReturn(List.of(new CycleRecord(
                "CYCLE-1-1-1", 1, started, ended, 2.5, 2.4, 8.4, 8.0, 96, ended.toString(), "UTC", ended)));
        when(fixture.mapper.insertStepRecord(any())).thenReturn(1);
        when(fixture.mapper.insertCycleRecord(any())).thenReturn(1);

        fixture.service().captureReceivedData();

        ArgumentCaptor<TTestStepRecord> step = ArgumentCaptor.forClass(TTestStepRecord.class);
        ArgumentCaptor<TTestCycleRecord> cycle = ArgumentCaptor.forClass(TTestCycleRecord.class);
        verify(fixture.mapper).insertStepRecord(step.capture());
        verify(fixture.mapper).insertCycleRecord(cycle.capture());
        assertEquals("record:STEP-1", step.getValue().getDedupeKey());
        assertEquals("CYCLE-1-1-1", cycle.getValue().getSourceRecordId());
        assertEquals("record:CYCLE-1-1-1", cycle.getValue().getDedupeKey());
        assertEquals(Date.from(ended), step.getValue().getServerReceivedAtUtc());
        assertEquals(Date.from(ended), cycle.getValue().getServerReceivedAtUtc());
    }

    @Test
    void ignoresSameRealtimeContentOnRepeatedReception()
    {
        Fixture fixture = fixture();
        when(fixture.simulator.latestCabinet(any(ChannelIdentity.class))).thenReturn(cabinetRecord());
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(false, List.of()));
        when(fixture.mapper.insertRealtimeRecord(any())).thenReturn(1);

        fixture.service().captureReceivedData();
        ArgumentCaptor<TTestRealtimeRecord> saved = ArgumentCaptor.forClass(TTestRealtimeRecord.class);
        verify(fixture.mapper).insertRealtimeRecord(saved.capture());
        when(fixture.mapper.selectRealtimeRecordContentHash(eq(1L), eq(4L), any(Date.class)))
                .thenReturn(HexFormat.of().formatHex(saved.getValue().getContentSha256()));

        fixture.service().captureReceivedData();

        verify(fixture.mapper, times(1)).insertRealtimeRecord(any());
    }

    @Test
    void rejectsConflictingRealtimeContentAndWritesApplicationLog(CapturedOutput output)
    {
        Fixture fixture = fixture();
        when(fixture.simulator.latestCabinet(any(ChannelIdentity.class))).thenReturn(cabinetRecord());
        when(fixture.simulator.latestCollector("collector-9")).thenReturn(collectorSnapshot(false, List.of()));
        when(fixture.mapper.selectRealtimeRecordContentHash(eq(1L), eq(4L), any(Date.class)))
                .thenReturn("different-content");

        fixture.service().captureReceivedData();

        verify(fixture.mapper, never()).insertRealtimeRecord(any());
        assertTrue(output.getOut().contains("实时采样内容冲突"));
    }

    @Test void resumedReceptionExcludesAggregatesObservedDuringPause()
    {
        Fixture fixture = fixture();
        fixture.tests.selectTestById(1L).setReceptionBoundaryAtUtc(Date.from(CAPTURED_AT));
        Instant pausedAt = CAPTURED_AT.minusSeconds(10);
        when(fixture.simulator.stepRecords(any())).thenReturn(List.of(new StepRecord("paused", 1, 1, "工步", "cc",
                pausedAt.minusSeconds(20), pausedAt, 3, 1, 2, pausedAt.toString(), "UTC", pausedAt, java.util.Map.of())));
        when(fixture.simulator.cycleRecords(any())).thenReturn(List.of(new CycleRecord("paused", 1,
                pausedAt.minusSeconds(20), pausedAt, 1, 1, 2, 2, 100, pausedAt.toString(), "UTC", pausedAt)));
        fixture.service().captureReceivedData();
        verify(fixture.mapper, never()).insertStepRecord(any());
        verify(fixture.mapper, never()).insertCycleRecord(any());
    }

    @Test void deletedAggregateDoesNotReturnOnRepeatedObservation()
    {
        Fixture fixture = fixture();
        when(fixture.simulator.stepRecords(any())).thenReturn(List.of(new StepRecord("deleted", 1, 1, "工步", "cc",
                CAPTURED_AT.minusSeconds(10), CAPTURED_AT, 3, 1, 2, CAPTURED_AT.toString(), "UTC", CAPTURED_AT, java.util.Map.of())));
        when(fixture.mapper.wasAggregateDeleted(1L, "STEP", 4L, "dev-sim:22:1:1:1", "record:deleted")).thenReturn(true);
        fixture.service().captureReceivedData();
        verify(fixture.mapper, never()).insertStepRecord(any());
    }

    @Test void deletedRealtimeSlotDoesNotReturnAfterServiceRestart()
    {
        Fixture fixture = fixture();
        when(fixture.simulator.latestCabinet(any())).thenReturn(cabinetRecord());
        when(fixture.mapper.wasRealtimeSlotDeleted(1L, 4L, CAPTURED_AT.toEpochMilli())).thenReturn(true);
        fixture.service().captureReceivedData();
        fixture.service().captureReceivedData();
        verify(fixture.mapper, never()).insertRealtimeRecord(any());
    }

    private static Fixture fixture()
    {
        TTestMapper mapper = mock(TTestMapper.class);
        ITTestService tests = mock(ITTestService.class);
        TestDataObservationAdapter simulator = mock(TestDataObservationAdapter.class);
        TTest test = receivingTest();
        when(mapper.selectCollectorCode(9L)).thenReturn("collector-9");
        when(mapper.selectReceivingTestIds()).thenReturn(List.of(1L));
        when(mapper.selectTestByIdForUpdate(1L)).thenReturn(test);
        when(tests.selectTestById(1L)).thenReturn(test);
        when(simulator.persistenceIntervalMillis(any(ChannelIdentity.class))).thenReturn(60000L);
        return new Fixture(mapper, tests, simulator);
    }

    private static TTest receivingTest()
    {
        TTestChannelBinding binding = new TTestChannelBinding();
        binding.setBindingId(2L);
        binding.setChannelId(3L);
        binding.setAdapterCode("dev-sim");
        binding.setAdapterTimezoneId("Asia/Hong_Kong");
        binding.setDevtype(22);
        binding.setDevid(1);
        binding.setSubdevid(1);
        binding.setChlid(1);
        TTestBattery battery = new TTestBattery();
        battery.setTestBatteryId(4L);
        battery.setCollectorId(9L);
        battery.setBinding(binding);
        battery.setCollectorChannels(List.of(
                mapping("TEMPERATURE", "S-01"), mapping("POSITIVE_POTENTIAL", "S-02"),
                mapping("NEGATIVE_POTENTIAL", "S-03"), mapping("AMBIENT_TEMPERATURE", "S-04")));
        TTest test = new TTest();
        test.setTestId(1L);
        test.setTestStatus("RUNNING");
        test.setReceptionStatus("RECEIVING");
        test.setStartedAtUtc(Date.from(Instant.parse("2026-09-02T04:00:00Z")));
        test.setReceptionBoundaryAtUtc(Date.from(Instant.parse("2026-09-02T04:00:00Z")));
        test.setBatteries(List.of(battery));
        return test;
    }

    private static TTestCollectorChannel mapping(String metric, String channel)
    {
        TTestCollectorChannel mapping = new TTestCollectorChannel();
        mapping.setMeasurementCode(metric);
        mapping.setChannelCode(channel);
        return mapping;
    }

    private static CabinetRealtime cabinetRecord()
    {
        Instant deviceTime = Instant.parse("2026-09-02T04:00:30Z");
        return new CabinetRealtime(7L, deviceTime, 1, 3.2, 2.5, 8.4,
                1, 2, "恒流充电", "cc", Instant.parse("2026-09-02T04:00:35Z"), "2026-09-02 12:00:30.000", "Asia/Hong_Kong");
    }

    private static CollectorMeasurement collector(String channel, long sequenceId, String metric,
            String value, String unit)
    {
        return new CollectorMeasurement(channel, sequenceId,
                Instant.parse("2026-09-02T04:00:40Z"), "2026-09-02 12:00:40.000",
                Instant.parse("2026-09-02T04:00:50Z"), metric, new BigDecimal(value), unit);
    }

    private static CollectorRealtime collectorSnapshot(boolean online,
            List<CollectorMeasurement> measurements)
    {
        return new CollectorRealtime("collector-9", online, 1000, measurements, "Asia/Hong_Kong");
    }

    private record Fixture(TTestMapper mapper, ITTestService tests, TestDataObservationAdapter simulator)
    {
        TestDataReceptionServiceImpl service()
        {
            return new TestDataReceptionServiceImpl(mapper, tests, simulator, CLOCK);
        }
    }
}