package jnpf.dmsService;

import jnpf.base.UserInfo;
import jnpf.dmsEntity.permission.entity.DmsDocumentEntity;
import jnpf.dmsEntity.permission.entity.DmsFileVersionEntity;
import jnpf.dmsEntity.permission.enums.DmsPermissionAction;
import jnpf.dmsEntity.permission.enums.DmsResourceType;
import jnpf.dmsEntity.preview.model.DmsFilePreviewTicket;
import jnpf.dmsEntity.preview.model.DmsWatermarkSnapshot;
import jnpf.dmsEntity.print.form.DmsFilePrintTicketRequest;
import jnpf.dmsEntity.print.form.DmsPrintOperationCreateForm;
import jnpf.dmsEntity.print.vo.DmsFilePrintTicketVO;
import jnpf.dmsEntity.storage.entity.DmsFileObjectEntity;
import jnpf.dmsEntity.watermark.DmsWatermarkParameters;
import jnpf.dmsMapper.DmsDocumentMapper;
import jnpf.dmsMapper.DmsFileObjectMapper;
import jnpf.dmsMapper.DmsFileVersionMapper;
import jnpf.dmsPermission.DmsCurrentIdentity;
import jnpf.dmsPermission.DmsPermissionError;
import jnpf.dmsPermission.DmsPermissionException;
import jnpf.dmsPermission.DmsPermissionExecutionContext;
import jnpf.dmsPermission.DmsPermissionGuard;
import jnpf.dmsPermission.DmsPermissionOperation;
import jnpf.dmsService.pdf.DmsPdfGenerationTaskService;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;

import java.util.Collections;
import java.util.List;
import java.util.UUID;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyLong;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

class DmsFilePrintServiceTest {
    private final DmsCurrentIdentity currentIdentity = mock(DmsCurrentIdentity.class);
    private final DmsPermissionGuard permissionGuard = mock(DmsPermissionGuard.class);
    private final DmsFileVersionMapper versionMapper = mock(DmsFileVersionMapper.class);
    private final DmsFileObjectMapper objectMapper = mock(DmsFileObjectMapper.class);
    private final DmsDocumentMapper documentMapper = mock(DmsDocumentMapper.class);
    private final DmsFilePreviewTicketIssuer ticketIssuer = mock(DmsFilePreviewTicketIssuer.class);
    private final DmsPrintOperationLogService logService = mock(DmsPrintOperationLogService.class);
    private final DmsWatermarkPreviewResolver watermarkResolver = mock(DmsWatermarkPreviewResolver.class);
    private final DmsPdfGenerationTaskService pdfGenerationTaskService = mock(DmsPdfGenerationTaskService.class);
    private final DmsFilePrintService service = new DmsFilePrintService(currentIdentity,
            permissionGuard, versionMapper, objectMapper, documentMapper, ticketIssuer,
            logService, watermarkResolver, pdfGenerationTaskService);
    private final UUID documentId = UUID.fromString("018f0000-0000-7000-8000-000000000821");
    private final UUID versionId = UUID.fromString("018f0000-0000-7000-8000-000000000822");
    private final UUID operationId = UUID.fromString("018f0000-0000-7000-8000-000000000823");

    @BeforeEach
    void setUp() {
        UserInfo user = new UserInfo();
        user.setTenantId("tenant-1");
        user.setUserId("user-1");
        when(currentIdentity.requireUser()).thenReturn(user);
        when(currentIdentity.tenantId(user)).thenReturn("tenant-1");
        when(permissionGuard.execute(any(), any())).thenAnswer(invocation -> {
            DmsPermissionOperation<?> operation = invocation.getArgument(1);
            return operation.execute();
        });
        when(ticketIssuer.issue(any(), org.mockito.ArgumentMatchers.eq(
                DmsFilePrintService.TICKET_TTL_SECONDS))).thenReturn("print-ticket");
        when(watermarkResolver.resolvePrint(any(), any(), any(), any())).thenReturn(Collections.emptyList());
    }

    @Test
    void issuesPrintScopedTicketAfterPrintPermissionAndRecordsInitiation() {
        DmsFileVersionEntity version = version();
        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version);
        when(objectMapper.selectByTenantAndFileVersionId("tenant-1", versionId)).thenReturn(object());
        when(documentMapper.selectByTenantAndId("tenant-1", documentId)).thenReturn(document());

        DmsFilePrintTicketVO result = service.createTicket(request());

        assertEquals("print-ticket", result.getAccessTicket());
        assertEquals(2, result.getCopies());
        assertEquals("1-3", result.getPrintPages());

        ArgumentCaptor<DmsPermissionExecutionContext> context =
                ArgumentCaptor.forClass(DmsPermissionExecutionContext.class);
        verify(permissionGuard).execute(context.capture(), any());
        assertEquals(DmsPermissionAction.PRINT, context.getValue().getActionCode());
        assertEquals(DmsResourceType.FILE_VERSION, context.getValue().getResourceType());
        assertEquals(versionId, context.getValue().getResourceId());
        assertEquals(operationId, context.getValue().getOperationId());
        assertNull(context.getValue().getSessionExpiresAt());

        ArgumentCaptor<DmsFilePreviewTicket> ticket = ArgumentCaptor.forClass(DmsFilePreviewTicket.class);
        verify(ticketIssuer).issue(ticket.capture(), org.mockito.ArgumentMatchers.eq(
                DmsFilePrintService.TICKET_TTL_SECONDS));
        assertEquals(DmsFilePreviewTicket.PRINT_SCOPE, ticket.getValue().getScope());

        ArgumentCaptor<DmsPrintOperationCreateForm> log =
                ArgumentCaptor.forClass(DmsPrintOperationCreateForm.class);
        verify(logService).create(log.capture());
        assertEquals(operationId.toString(), log.getValue().getClientEventId());
        assertEquals("CONTROLLED_DOCUMENT", log.getValue().getPrintType());
        assertEquals("FILE_PREVIEW", log.getValue().getSourceType());
        assertEquals("打印页码：1-3", log.getValue().getTargets().get(0).getRemark());
        verify(pdfGenerationTaskService).enqueueMissingEligible("tenant-1", versionId,
                "quality-manual.docx", "a".repeat(64));
    }

    @Test
    void managedPrintCannotIssueTicketWithoutSerialWatermark() {
        var request = request(); request.setRequireSerialWatermark(true);
        var barcode = new DmsWatermarkParameters.CustomBarcode();
        barcode.setBarValue("unique-1"); barcode.setBarText("打印流水号 unique-1 计数流水号 20260001");
        request.setCustomBarcode(List.of(barcode));
        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version());
        when(objectMapper.selectByTenantAndFileVersionId("tenant-1", versionId)).thenReturn(object());
        when(documentMapper.selectByTenantAndId("tenant-1", documentId)).thenReturn(document());
        assertThrows(jnpf.exception.DataException.class, () -> service.createTicket(request));
        verify(ticketIssuer, never()).issue(any(), anyLong());
    }

    @Test
    void requiredSerialAcceptsMatchingExistingCustomBarcodeSnapshot() {
        var request = request();
        request.setRequireSerialWatermark(true);
        var barcode = new DmsWatermarkParameters.CustomBarcode();
        barcode.setBarValue("20261003000001");
        barcode.setBarText("打印流水号: 20261003000001  计数流水号: 20260001");
        request.setCustomBarcode(List.of(barcode));
        var snapshot = new DmsWatermarkSnapshot();
        snapshot.setWatermarkType("BARCODE");
        snapshot.setCustomBarcode(true);
        snapshot.setContent(barcode.getBarValue());
        snapshot.setBarcodeText(barcode.getBarText());
        snapshot.setPositions(List.of(new jnpf.dmsEntity.preview.model.DmsWatermarkPositionSnapshot()));
        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version());
        when(objectMapper.selectByTenantAndFileVersionId("tenant-1", versionId)).thenReturn(object());
        when(documentMapper.selectByTenantAndId("tenant-1", documentId)).thenReturn(document());
        when(watermarkResolver.resolvePrint(any(), org.mockito.ArgumentMatchers.eq("tenant-1"),
                any(), org.mockito.ArgumentMatchers.eq(request))).thenReturn(List.of(snapshot));

        service.createTicket(request);

        ArgumentCaptor<DmsFilePreviewTicket> ticket = ArgumentCaptor.forClass(DmsFilePreviewTicket.class);
        verify(ticketIssuer).issue(ticket.capture(), org.mockito.ArgumentMatchers.eq(
                DmsFilePrintService.TICKET_TTL_SECONDS));
        assertEquals(List.of(snapshot), ticket.getValue().getWatermarks());
    }

    @Test
    void resolvesRuntimeParametersAgainstPrintConfigurationIntoTicketSnapshot() {
        DmsFileVersionEntity version = version();
        DmsFilePrintTicketRequest request = request();
        DmsWatermarkParameters.CustomBarcode barcode = new DmsWatermarkParameters.CustomBarcode();
        barcode.setPage(2);
        barcode.setBarValue("COPY-002");
        barcode.setBarText("第二份");
        request.setCustomBarcode(List.of(barcode));

        DmsWatermarkSnapshot snapshot = new DmsWatermarkSnapshot();
        snapshot.setWatermarkType("BARCODE");
        snapshot.setContent("COPY-002");
        snapshot.setBarcodeText("第二份");
        snapshot.setRenderPages(List.of(2));

        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version);
        when(objectMapper.selectByTenantAndFileVersionId("tenant-1", versionId)).thenReturn(object());
        when(documentMapper.selectByTenantAndId("tenant-1", documentId)).thenReturn(document());
        when(watermarkResolver.resolvePrint(any(), org.mockito.ArgumentMatchers.eq("tenant-1"),
                org.mockito.ArgumentMatchers.eq(version), org.mockito.ArgumentMatchers.eq(request)))
                .thenReturn(List.of(snapshot));

        service.createTicket(request);

        verify(watermarkResolver).resolvePrint(any(), org.mockito.ArgumentMatchers.eq("tenant-1"),
                org.mockito.ArgumentMatchers.eq(version), org.mockito.ArgumentMatchers.eq(request));
        ArgumentCaptor<DmsFilePreviewTicket> ticket = ArgumentCaptor.forClass(DmsFilePreviewTicket.class);
        verify(ticketIssuer).issue(ticket.capture(), org.mockito.ArgumentMatchers.eq(
                DmsFilePrintService.TICKET_TTL_SECONDS));
        assertEquals(List.of(snapshot), ticket.getValue().getWatermarks());
        assertEquals("1-3", ticket.getValue().getPrintPages());
    }

    @Test
    void uncontrolledVersionSkipsPrintPermissionButKeepsPrintPipeline() {
        DmsFileVersionEntity version = version();
        version.setShifouShoukong("no");
        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version);
        when(objectMapper.selectByTenantAndFileVersionId("tenant-1", versionId)).thenReturn(object());
        when(documentMapper.selectByTenantAndId("tenant-1", documentId)).thenReturn(document());
        doThrow(DmsPermissionException.of(DmsPermissionError.PERMISSION_DENIED,
                "no print permission")).when(permissionGuard).execute(any(), any());

        DmsFilePrintTicketVO result = service.createTicket(request());

        assertEquals("print-ticket", result.getAccessTicket());
        verify(permissionGuard, never()).execute(any(), any());
        verify(watermarkResolver).resolvePrint(any(), org.mockito.ArgumentMatchers.eq("tenant-1"),
                org.mockito.ArgumentMatchers.eq(version), any());
        verify(logService).create(any());
    }

    @Test
    void controlledVersionWithoutPrintPermissionIsRejected() {
        DmsFileVersionEntity version = version();
        when(versionMapper.selectReadableByTenantAndId("tenant-1", versionId)).thenReturn(version);
        doThrow(DmsPermissionException.of(DmsPermissionError.PERMISSION_DENIED,
                "no print permission")).when(permissionGuard).execute(any(), any());

        DmsPermissionException error = assertThrows(
                DmsPermissionException.class,
                () -> service.createTicket(request()));

        assertEquals(DmsPermissionError.PERMISSION_DENIED, error.getError());
        verify(ticketIssuer, never()).issue(any(), anyLong());
    }

    private DmsFilePrintTicketRequest request() {
        DmsFilePrintTicketRequest request = new DmsFilePrintTicketRequest();
        request.setResourceType(DmsResourceType.FILE_VERSION);
        request.setResourceId(versionId);
        request.setOperationId(operationId);
        request.setCopies(2);
        request.setPrintPages("1-3");
        return request;
    }

    private DmsFileVersionEntity version() {
        DmsFileVersionEntity version = new DmsFileVersionEntity();
        version.setId(versionId);
        version.setDocumentId(documentId);
        version.setVersionLabel("V1.0");
        version.setFileName("quality-manual.docx");
        version.setSizeBytes(2048L);
        version.setChecksumSha256("a".repeat(64));
        version.setShifouShoukong("yes");
        return version;
    }

    private DmsFileObjectEntity object() {
        DmsFileObjectEntity object = new DmsFileObjectEntity();
        object.setStoragePlatform("seaweedfs-1");
        object.setBucketName("jnpf-dms");
        object.setObjectPath("2026/09/document/");
        object.setObjectName("manual-v1.docx");
        return object;
    }

    private DmsDocumentEntity document() {
        DmsDocumentEntity document = new DmsDocumentEntity();
        document.setId(documentId);
        document.setDocumentNo("QM-001");
        document.setName("质量手册");
        return document;
    }
}