package com.baiyue.lastleg.service;

import com.baiyue.lastleg.dto.LastlegOrderRequests;
import com.baiyue.lastleg.entity.LastlegOrder;
import com.baiyue.lastleg.entity.LastlegOrderDetail;
import com.baiyue.lastleg.entity.LastlegOrderStatusHistory;
import com.baiyue.lastleg.inboundplan.entity.InboundPlanCarton;
import com.baiyue.lastleg.inboundplan.mapper.InboundPlanCartonMapper;
import com.baiyue.lastleg.inventory.command.service.InventoryCommandService;
import com.baiyue.lastleg.mapper.LastlegOrderDetailMapper;
import com.baiyue.lastleg.mapper.LastlegOrderMapper;
import com.baiyue.lastleg.mapper.LastlegOrderStatusHistoryMapper;
import com.baiyue.lastleg.mapper.LastlegOrderFeeMapper;
import com.baiyue.lastleg.mapper.LastlegOrderOperationLogMapper;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.test.util.ReflectionTestUtils;

import java.util.List;
import java.math.BigDecimal;

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

@ExtendWith(MockitoExtension.class)
class LastlegOrderServiceTest {
    @Mock LastlegOrderMapper orders;
    @Mock LastlegOrderDetailMapper details;
    @Mock LastlegOrderStatusHistoryMapper histories;
    @Mock LastlegOrderFeeMapper fees;
    @Mock LastlegOrderOperationLogMapper operations;
    @Mock InboundPlanCartonMapper cartons;
    @Mock InventoryCommandService inventory;
    LastlegOrderService service;

    @BeforeEach
    void setUp() {
        service = new LastlegOrderService();
        ReflectionTestUtils.setField(service, "orderMapper", orders);
        ReflectionTestUtils.setField(service, "detailMapper", details);
        ReflectionTestUtils.setField(service, "historyMapper", histories);
        ReflectionTestUtils.setField(service, "feeMapper", fees);
        ReflectionTestUtils.setField(service, "operationLogMapper", operations);
        ReflectionTestUtils.setField(service, "cartonMapper", cartons);
        ReflectionTestUtils.setField(service, "inventory", inventory);
    }

    @Test
    void detailDoesNotExposeDropshipCartonsOrInternalEventIds() {
        LastlegOrder order = order(11L, "100", "PENDING_ASSIGNMENT", null);
        order.setOrderType("ONE_CLICK_DROPSHIP");
        when(orders.selectOne(any())).thenReturn(order);
        when(details.selectList(any())).thenReturn(List.of());
        when(histories.selectList(any())).thenReturn(List.of());
        when(fees.selectList(any())).thenReturn(List.of());
        when(operations.selectList(any())).thenReturn(List.of());

        var response = service.detail("100", 11L);

        assertEquals(11L, response.order().id());
        assertEquals("100", response.order().customerId());
        assertEquals("ONE_CLICK_DROPSHIP", response.order().orderType());
        assertEquals("一件代发", response.order().orderTypeName());
        assertTrue(java.util.Arrays.stream(response.getClass().getRecordComponents())
            .noneMatch(component -> "dropshipPallets".equals(component.getName())));
        assertTrue(java.util.Arrays.stream(com.baiyue.lastleg.dto.LastlegOrderDetailResponse.History.class.getRecordComponents())
            .noneMatch(component -> "eventId".equals(component.getName())));
    }

    @Test
    void transferUpdatesOrderAndEveryCargoSnapshot() {
        LastlegOrder order = order(11L, "100", "PENDING_ASSIGNMENT", null);
        when(orders.selectList(any())).thenReturn(List.of(order));
        var request = new LastlegOrderRequests.TransferDestination(
            List.of(11L), "wh-2", "LAX-02", "Los Angeles 02", null);

        assertEquals(1, service.transferDestination("100", request));

        assertEquals("wh-2", order.getTransferWarehouseId());
        assertEquals("LAX-02", order.getTransferWarehouseCode());
        assertEquals("DESTINATION_ASSIGNED", order.getCurrentStatus());
        ArgumentCaptor<LastlegOrderDetail> cargo = ArgumentCaptor.forClass(LastlegOrderDetail.class);
        verify(details).update(cargo.capture(), any());
        assertEquals("LAX-02", cargo.getValue().getDestinationWarehouseCode());
        ArgumentCaptor<InboundPlanCarton> carton = ArgumentCaptor.forClass(InboundPlanCarton.class);
        verify(cartons).update(carton.capture(), any());
        assertEquals("wh-2", carton.getValue().getDestinationWarehouseId());
        assertEquals("LAX-02", carton.getValue().getDestinationWarehouseCode());
        ArgumentCaptor<LastlegOrderStatusHistory> history = ArgumentCaptor.forClass(LastlegOrderStatusHistory.class);
        verify(histories).insert(history.capture());
        assertEquals("100", history.getValue().getCustomerId());
        assertEquals("PENDING_ASSIGNMENT", history.getValue().getFromStatus());
        assertEquals("DESTINATION_ASSIGNED", history.getValue().getToStatus());
    }

    @Test
    void createFeePersistsFeeAndOperationForOwnedOrder() {
        when(orders.selectOne(any())).thenReturn(order(11L, "100", "PENDING_ASSIGNMENT", null));
        var request = new LastlegOrderRequests.CreateFee(
            "清关费", "USD", new BigDecimal("420.00"), "PENDING_REVIEW", "报关代理");

        var fee = service.createFee("100", 11L, request, "platform_admin");

        assertEquals("100", fee.getCustomerId());
        assertEquals("清关费", fee.getFeeItem());
        assertEquals(new BigDecimal("420.00"), fee.getAmount());
        verify(fees).insert(any(com.baiyue.lastleg.entity.LastlegOrderFee.class));
        verify(operations).insert(any(com.baiyue.lastleg.entity.LastlegOrderOperationLog.class));
    }

    @Test
    void palletMergeMarkIsPersistedAndAuditedForPdaReminder() {
        LastlegOrder order = order(11L, "100", "INBOUND_PLANNED", "IB-1");
        when(orders.selectOne(any())).thenReturn(order);
        when(orders.lockById("100", 11L)).thenReturn(order);
        when(orders.updatePalletMergeFlag(any(), anyLong(), any(), any())).thenReturn(1);

        service.setPalletMergeRequired("100", 11L,
            new LastlegOrderRequests.SetPalletMergeRequired(true), "platform_admin");

        verify(orders).updatePalletMergeFlag(org.mockito.ArgumentMatchers.eq("100"),
            org.mockito.ArgumentMatchers.eq(11L), org.mockito.ArgumentMatchers.eq("REQUIRED"), any());
        ArgumentCaptor<com.baiyue.lastleg.entity.LastlegOrderOperationLog> operation =
            ArgumentCaptor.forClass(com.baiyue.lastleg.entity.LastlegOrderOperationLog.class);
        verify(operations).insert(operation.capture());
        assertEquals("标记合托", operation.getValue().getOperationNode());
        assertTrue(operation.getValue().getResult().contains("PDA"));
    }

    @Test
    void completedPhysicalMergeCannotBeUnmarked() {
        LastlegOrder order = order(11L, "100", "INBOUND_PLANNED", "IB-1");
        order.setPalletMergeFlag("MERGED");
        when(orders.selectOne(any())).thenReturn(order);
        when(orders.lockById("100", 11L)).thenReturn(order);

        assertThrows(ResponseStatusException.class, () -> service.setPalletMergeRequired("100", 11L,
            new LastlegOrderRequests.SetPalletMergeRequired(false), "platform_admin"));
        verify(orders, never()).updatePalletMergeFlag(any(), anyLong(), any(), any());
    }

    @Test
    void transferRejectsAnOrderAlreadyBoundToInboundPlan() {
        LastlegOrder order = order(11L, "100", "DESTINATION_ASSIGNED", "IB-1");
        when(orders.selectList(any())).thenReturn(List.of(order));
        var request = new LastlegOrderRequests.TransferDestination(
            List.of(11L), "wh-2", "LAX-02", "Los Angeles 02", null);

        assertThrows(ResponseStatusException.class, () -> service.transferDestination("100", request));
        verify(orders, never()).updateById(any(LastlegOrder.class));
        verify(details, never()).update(any(), any());
        verify(cartons, never()).update(any(), any());
    }

    @Test
    void batchRejectsMissingOrCrossCustomerIdsBeforeWriting() {
        when(orders.selectList(any())).thenReturn(List.of(order(11L, "100", "PENDING_ASSIGNMENT", null)));
        var request = new LastlegOrderRequests.TransferDestination(
            List.of(11L, 22L), "wh-2", "LAX-02", "Los Angeles 02", null);

        ResponseStatusException error = assertThrows(ResponseStatusException.class,
            () -> service.transferDestination("100", request));
        assertTrue(error.getStatusCode().is4xxClientError());
        verify(orders, never()).updateById(any(LastlegOrder.class));
    }

    @Test
    void pageUsesPaginationAndPlatformFiltersWithoutCustomerScope() {
        var query = new LastlegOrderRequests.Query(3, 25, "LL-", "FIRST_LEG", "IN-", null,
            "", "PENDING_ASSIGNMENT", null, "LAX", null, null, null, null, null);
        var resultPage = new com.baomidou.mybatisplus.extension.plugins.pagination.Page<LastlegOrder>(3, 25);
        resultPage.setTotal(0);
        when(orders.selectPage(any(), any())).thenReturn(resultPage);

        service.page(null, query);

        ArgumentCaptor<com.baomidou.mybatisplus.extension.plugins.pagination.Page<LastlegOrder>> page =
            ArgumentCaptor.forClass(com.baomidou.mybatisplus.extension.plugins.pagination.Page.class);
        verify(orders).selectPage(page.capture(), any());
        assertEquals(3, page.getValue().getCurrent());
        assertEquals(25, page.getValue().getSize());
    }

    @Test
    void pageReturnsConfirmedPalletMergeRelatedOrderNumbers() {
        LastlegOrder order = order(11L, "100", "INBOUND_COMPLETED", "IB-1");
        order.setPalletMergeFlag("MERGED");
        var resultPage = new com.baomidou.mybatisplus.extension.plugins.pagination.Page<LastlegOrder>(1, 10);
        resultPage.setRecords(List.of(order));
        resultPage.setTotal(1);
        when(orders.selectPage(any(), any())).thenReturn(resultPage);
        when(orders.findPalletMergeRelations(List.of(11L))).thenReturn(List.of(
            new LastlegOrderMapper.PalletMergeRelationRow(11L, "LMO-RELATED-2", "PMG-1"),
            new LastlegOrderMapper.PalletMergeRelationRow(11L, "LMO-RELATED-3", "PMG-1")));
        var query = new LastlegOrderRequests.Query(1, 10, null, null, null, null,
            null, null, null, null, null, null, null, null, null);

        var result = service.page(null, query);

        assertEquals("PMG-1", result.records().get(0).palletMergeBatchId());
        assertEquals(List.of("LMO-RELATED-2", "LMO-RELATED-3"), result.records().get(0).palletMergeOrderNos());
    }

    @Test
    void holdingBeforeInboundPersistsTheOrderMarkerAndOperationRemark() {
        LastlegOrder order = order(11L, "100", "PENDING_INBOUND", null);
        when(orders.selectOne(any())).thenReturn(order);
        when(orders.lockById("100", 11L)).thenReturn(order);

        service.setDetained("100", 11L, new LastlegOrderRequests.SetDetained(true, "等待质检"), "operator");

        assertTrue(order.getDetained());
        verify(orders).updateById(order);
        ArgumentCaptor<com.baiyue.lastleg.entity.LastlegOrderOperationLog> operation =
            ArgumentCaptor.forClass(com.baiyue.lastleg.entity.LastlegOrderOperationLog.class);
        verify(operations).insert(operation.capture());
        assertEquals("暂扣", operation.getValue().getOperationNode());
        assertEquals("等待质检", operation.getValue().getResult());
        verify(inventory, never()).releaseInboundOrderHold(any(), any(), anyLong(), any(), any());
    }

    @Test
    void releasingAfterInboundMovesAllOrderHeldInventoryToAvailable() {
        LastlegOrder order = order(11L, "100", "INBOUND_COMPLETED", "IP-1");
        order.setOrderNo("LM-1");
        order.setDetained(true);
        when(orders.selectOne(any())).thenReturn(order);
        when(orders.lockById("100", 11L)).thenReturn(order);

        service.setDetained("100", 11L, new LastlegOrderRequests.SetDetained(false, "质检通过"), "operator");

        verify(inventory).releaseInboundOrderHold("100", "operator", 11L, "LM-1", "质检通过");
        assertEquals(false, order.getDetained());
    }

    private static LastlegOrder order(long id, String customerId, String status, String inboundOrderNo) {
        LastlegOrder order = new LastlegOrder();
        order.setId(id);
        order.setCustomerId(customerId);
        order.setCurrentStatus(status);
        order.setInboundOrderNo(inboundOrderNo);
        return order;
    }

}