package com.baiyue.lastleg.service;

import com.baiyue.lastleg.dto.LastlegOrderRequests;
import com.baiyue.lastleg.dto.ContainerPlanProgressDetail;
import com.baiyue.lastleg.dto.ContainerPlanProgressSummary;
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.mapper.LastlegOrderDetailMapper;
import com.baiyue.lastleg.mapper.LastlegOrderMapper;
import com.baiyue.lastleg.mapper.LastlegOrderStatusHistoryMapper;
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.time.LocalDateTime;

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.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.Mockito.lenient;

@ExtendWith(MockitoExtension.class)
class LastlegOrderServiceTest {
    // Service tests keep remote master-data validation and persistence independently observable here.
    @Mock LastlegOrderMapper orders;
    @Mock LastlegOrderDetailMapper details;
    @Mock LastlegOrderStatusHistoryMapper histories;
    @Mock InboundPlanCartonMapper cartons;
    @Mock FbaWarehouseValidator fbaWarehouses;
    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, "cartonMapper", cartons);
        ReflectionTestUtils.setField(service, "fbaWarehouseValidator", fbaWarehouses);
        lenient().when(fbaWarehouses.required(any(), any(), any())).thenAnswer(invocation ->
            new FbaWarehouseValidator.VerifiedFbaWarehouse(
                Long.parseLong(invocation.getArgument(0)), invocation.getArgument(1), invocation.getArgument(2),
                "US", "CA"));
    }

    @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());

        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), "193000000000000002", "LAX-02", "Los Angeles 02", null);

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

        assertEquals("193000000000000002", 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("193000000000000002", 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 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), "193000000000000002", "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), "193000000000000002", "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 forgedFbaSelectionIsRejectedBeforeLockingOrWritingOrders() {
        var request = new LastlegOrderRequests.TransferDestination(
            List.of(11L), "193000000000000002", "FAKE", "伪造仓库", null);
        when(fbaWarehouses.required("193000000000000002", "FAKE", "伪造仓库"))
            .thenThrow(new ResponseStatusException(org.springframework.http.HttpStatus.BAD_REQUEST,
                "所选FBA仓不存在或已停用"));

        ResponseStatusException error = assertThrows(ResponseStatusException.class,
            () -> service.transferDestination("100", request));

        assertTrue(error.getMessage().contains("所选FBA仓不存在或已停用"));
        verify(orders, never()).selectList(any());
        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 containerProgressPageUsesServerSideAggregatePagination() {
        var query = new LastlegOrderRequests.ContainerProgressQuery(2, 10, "CONT-", null, null);
        var row = summary(false, 3, "存在3票尚未生成有效入库计划");
        when(orders.countContainerProgress(query)).thenReturn(11L);
        when(orders.pageContainerProgress(query, 10, 10)).thenReturn(List.of(row));

        var result = service.containerProgressPage(query);

        assertEquals(2, result.page());
        assertEquals(10, result.size());
        assertEquals(11, result.total());
        assertEquals(2, result.pages());
        assertEquals(List.of(row), result.records());
    }

    @Test
    void containerProgressPageRejectsReversedDateRangeBeforeQuerying() {
        var query = new LastlegOrderRequests.ContainerProgressQuery(1, 20, null,
            LocalDateTime.of(2026, 8, 20, 0, 0), LocalDateTime.of(2026, 8, 19, 0, 0));

        assertThrows(ResponseStatusException.class, () -> service.containerProgressPage(query));

        verify(orders, never()).countContainerProgress(any());
    }

    @Test
    void containerProgressDetailReturnsEveryOrderWithoutPagination() {
        var summary = summary(true, 0, null);
        var items = List.of(
            new ContainerPlanProgressDetail.Item(1L, "100", "LMO-1", "RK-1", "INBOUND_PLANNED",
                101L, "LIP-1", "PENDING_ASSIGNMENT", true, LocalDateTime.of(2026, 10, 3, 9, 0)),
            new ContainerPlanProgressDetail.Item(2L, "200", "LMO-1", "RK-2", "INBOUND_PLANNED",
                102L, "LIP-2", "PDA_PENDING", true, LocalDateTime.of(2026, 10, 3, 9, 0)));
        when(orders.findContainerProgress("BOOKING-1")).thenReturn(summary);
        when(orders.findContainerProgressItems("BOOKING-1")).thenReturn(items);

        var result = service.containerProgressDetail(" BOOKING-1 ");

        assertEquals(summary, result.summary());
        assertEquals(items, result.orders());
        verify(orders).findContainerProgressItems("BOOKING-1");
    }

    private static ContainerPlanProgressSummary summary(boolean ready, long pending, String reason) {
        return new ContainerPlanProgressSummary("BOOKING-1", "CONT-1", 15, 15, 0,
            15 - pending, 15 - pending, pending, LocalDateTime.of(2026, 10, 3, 9, 0), ready, reason);
    }

    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;
    }

}