foodie-server/ruoyi-admin/src/test/java/com/ruoyi/app/order/FoodDeliveryPromotionQuoteServiceTest.java

package com.ruoyi.app.order;

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.eq;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockStatic;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

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

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.MockedStatic;

import com.ruoyi.app.order.dto.FoodDeliveryPromotionQuoteRequest;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.system.domain.FoodSpecRelation;
import com.ruoyi.system.domain.FoodSpecs;
import com.ruoyi.system.domain.FoodSpecsValue;
import com.ruoyi.system.domain.InfoAddress;
import com.ruoyi.system.domain.PosFood;
import com.ruoyi.system.domain.PosFreight;
import com.ruoyi.system.domain.PosStore;
import com.ruoyi.system.dto.PromotionCalcRequest;
import com.ruoyi.system.dto.PromotionCalcResponse;
import com.ruoyi.system.dto.PromotionDeliveryContext;
import com.ruoyi.system.mapper.FoodSpecRelationMapper;
import com.ruoyi.system.mapper.FoodSpecsMapper;
import com.ruoyi.system.mapper.FoodSpecsValueMapper;
import com.ruoyi.system.mapper.InfoAddressMapper;
import com.ruoyi.system.mapper.PosFoodMapper;
import com.ruoyi.system.mapper.PosFreightMapper;
import com.ruoyi.system.mapper.PosStoreMapper;
import com.ruoyi.system.service.IPromotionCalcService;

/**
 * T075 满额免运完整配送报价：地址归属/跨店规格/服务端规格加价、路线与运价不可用、
 * 运费跳表边界（3km/3.49km/3.5km/4.25km/千元舍入）与仅平台骑手外送的范围限制。
 */
class FoodDeliveryPromotionQuoteServiceTest
{
    private static final Long USER_ID = 9L;
    private static final Long STORE_ID = 1L;
    private static final Long ADDRESS_ID = 8L;
    private static final Long FOOD_ID = 10L;
    private static final Long SPEC_VALUE_ID = 301L;

    private MockedStatic<MessageUtils> messages;

    private final PosStoreMapper stores = mock(PosStoreMapper.class);
    private final InfoAddressMapper addresses = mock(InfoAddressMapper.class);
    private final PosFoodMapper foods = mock(PosFoodMapper.class);
    private final FoodSpecRelationMapper relations = mock(FoodSpecRelationMapper.class);
    private final FoodSpecsMapper specs = mock(FoodSpecsMapper.class);
    private final FoodSpecsValueMapper values = mock(FoodSpecsValueMapper.class);
    private final PosFreightMapper freight = mock(PosFreightMapper.class);
    private final SelfDeliveryService selfDelivery = mock(SelfDeliveryService.class);
    private final IPromotionCalcService promotions = mock(IPromotionCalcService.class);

    private FoodDeliveryPromotionQuoteService service;

    @BeforeEach
    void setUp()
    {
        messages = mockStatic(MessageUtils.class);
        messages.when(() -> MessageUtils.message(any(String.class)))
                .thenAnswer(invocation -> invocation.getArgument(0));

        when(stores.selectById(STORE_ID)).thenReturn(store());
        when(addresses.selectById(ADDRESS_ID)).thenReturn(address(USER_ID));
        when(selfDelivery.isSelfDelivery(any(), any())).thenReturn(false);
        when(foods.selectById(FOOD_ID)).thenReturn(food(STORE_ID, "50"));
        stubSpecGroup(STORE_ID);
        when(freight.getyunjia()).thenReturn(List.of(fare(20L, 3L, 10L, 1L)));
        when(promotions.calculate(any(), eq(USER_ID), any())).thenReturn(new PromotionCalcResponse());
        service = subject();
    }

    @AfterEach
    void closeMessages()
    {
        messages.close();
    }

    private FoodDeliveryPromotionQuoteService subject()
    {
        return new FoodDeliveryPromotionQuoteService(stores, addresses, foods, relations, specs,
                values, freight, selfDelivery, promotions);
    }

    // ==================== 归属与输入校验 ====================

    @Test
    void quote_shouldRejectForeignAddressAndCrossStoreSpec()
    {
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));

        when(addresses.selectById(ADDRESS_ID)).thenReturn(address(77L));
        ServiceException foreignAddress = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.invalidAddress", foreignAddress.getMessage());

        when(addresses.selectById(ADDRESS_ID)).thenReturn(address(USER_ID));
        stubSpecGroup(2L);
        ServiceException crossStoreSpec = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.invalidSpec", crossStoreSpec.getMessage());
    }

    @Test
    void quote_shouldRejectInvalidProductOrQuantity()
    {
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));

        when(foods.selectById(FOOD_ID)).thenReturn(food(2L, "50"));
        ServiceException otherStore = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.invalidProduct", otherStore.getMessage());

        when(foods.selectById(FOOD_ID)).thenReturn(food(STORE_ID, "50"));
        FoodDeliveryPromotionQuoteRequest zero = request();
        zero.getItems().get(0).setQuantity(0);
        ServiceException badQuantity = assertThrows(ServiceException.class,
                () -> spy.quote(zero, USER_ID));
        assertEquals("promotion.freeDelivery.invalidProduct", badQuantity.getMessage());
    }

    @Test
    void quote_shouldRejectUnapprovedFood()
    {
        // to_examine='0' 为待审核（菜单口径 '1' 才可售），必须拒绝
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));
        PosFood pending = food(STORE_ID, "50");
        pending.setToExamine("0");
        when(foods.selectById(FOOD_ID)).thenReturn(pending);

        ServiceException rejected = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.invalidProduct", rejected.getMessage());
    }

    @Test
    void quote_shouldRejectUnknownOrderTypeOrMissingStore()
    {
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));

        FoodDeliveryPromotionQuoteRequest unknown = request();
        unknown.setOrderType(3);
        ServiceException badType = assertThrows(ServiceException.class,
                () -> spy.quote(unknown, USER_ID));
        assertEquals("promotion.freeDelivery.unsupportedOrder", badType.getMessage());

        FoodDeliveryPromotionQuoteRequest nullType = request();
        nullType.setOrderType(null);
        ServiceException missingType = assertThrows(ServiceException.class,
                () -> spy.quote(nullType, USER_ID));
        assertEquals("promotion.freeDelivery.unsupportedOrder", missingType.getMessage());

        when(stores.selectById(STORE_ID)).thenReturn(null);
        ServiceException missingStore = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.unsupportedOrder", missingStore.getMessage());
    }

    @Test
    void quote_shouldSupportPickupAndDineInWithoutAddress()
    {
        // T079 报价入口统一：自取/堂食免地址、无运费无免运，A=G
        int call = 0;
        for (Integer orderType : new Integer[] { 1, 2 })
        {
            call++;
            FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));
            FoodDeliveryPromotionQuoteRequest pickup = request();
            pickup.setOrderType(orderType);
            pickup.setAddressId(null);

            spy.quote(pickup, USER_ID);

            ArgumentCaptor<PromotionDeliveryContext> contextCaptor = ArgumentCaptor.forClass(PromotionDeliveryContext.class);
            verify(promotions, org.mockito.Mockito.times(call)).calculate(any(), eq(USER_ID), contextCaptor.capture());
            PromotionDeliveryContext context = contextCaptor.getAllValues().get(call - 1);
            assertEquals(0, BigDecimal.ZERO.compareTo(context.getDeliveryFee()));
            assertEquals(false, context.isEligible());
        }
        verify(addresses, org.mockito.Mockito.never()).selectById(any());
    }

    @Test
    void quote_shouldQuoteSelfDeliveryWithoutFreeDelivery()
    {
        // T079：自配送不再拒绝——运费照算（同跳表），免运不评估（eligible=false）
        when(selfDelivery.isSelfDelivery(any(), any())).thenReturn(true);
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3500));

        spy.quote(request(), USER_ID);

        ArgumentCaptor<PromotionDeliveryContext> contextCaptor = ArgumentCaptor.forClass(PromotionDeliveryContext.class);
        verify(promotions).calculate(any(), eq(USER_ID), contextCaptor.capture());
        assertEquals(0, new BigDecimal("30").compareTo(contextCaptor.getValue().getDeliveryFee()));
        assertEquals(false, contextCaptor.getValue().isEligible());
    }

    @Test
    void quote_shouldFailOnMissingRouteOrFare()
    {
        FoodDeliveryPromotionQuoteService spy = org.mockito.Mockito.spy(subject());
        doThrow(new ServiceException("promotion.freeDelivery.freightUnavailable")).when(spy).routeDistanceMeters(any(), any());

        ServiceException noRoute = assertThrows(ServiceException.class,
                () -> spy.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.freightUnavailable", noRoute.getMessage());

        when(freight.getyunjia()).thenReturn(Collections.emptyList());
        when(freight.getmiuyunjia()).thenReturn(Collections.emptyList());
        FoodDeliveryPromotionQuoteService withRoute = spyWithRoute(BigDecimal.valueOf(3000));
        ServiceException noFare = assertThrows(ServiceException.class,
                () -> withRoute.quote(request(), USER_ID));
        assertEquals("promotion.freeDelivery.freightUnavailable", noFare.getMessage());
    }

    // ==================== 规格加价与运费边界 ====================

    @Test
    void quote_shouldIgnoreClientSpecPrice()
    {
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3500));

        PromotionCalcResponse response = spy.quote(request(), USER_ID);

        // 规格加价由服务端按数据库规格值计算（10元），商品原价取数据库价；客户端无报价字段可传
        ArgumentCaptor<PromotionCalcRequest> captor = ArgumentCaptor.forClass(PromotionCalcRequest.class);
        ArgumentCaptor<PromotionDeliveryContext> contextCaptor = ArgumentCaptor.forClass(PromotionDeliveryContext.class);
        verify(promotions).calculate(captor.capture(), eq(USER_ID), contextCaptor.capture());
        assertEquals(1, captor.getValue().getItems().size());
        assertEquals(FOOD_ID, captor.getValue().getItems().get(0).getProductId());
        assertEquals(0, new BigDecimal("10").compareTo(captor.getValue().getItems().get(0).getSpecPrice()));
        assertTrue(contextCaptor.getValue().isEligible());
        // 3.5km：超起步3km半公里门槛按1km计，单价10 → 20+10=30
        assertEquals(0, new BigDecimal("30").compareTo(contextCaptor.getValue().getDeliveryFee()));
        assertTrue(response != null);
    }

    @Test
    void fare_shouldFollowLegacyJumpTableBoundaries()
    {
        assertFreight(1, "3000", "20");
        assertFreight(2, "3490", "20");
        assertFreight(3, "3500", "30");
        assertFreight(4, "4250", "32");
    }

    @Test
    void fare_shouldRoundThousandAndUp()
    {
        // 起步1500：≥1000 按 HALF_UP 舍到千位 → 2000
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(BigDecimal.valueOf(3000));
        when(freight.getyunjia()).thenReturn(List.of(fare(1500L, 3L, 10L, 1L)));
        PromotionCalcResponse response = spy.quote(request(), USER_ID);
        ArgumentCaptor<PromotionDeliveryContext> contextCaptor = ArgumentCaptor.forClass(PromotionDeliveryContext.class);
        verify(promotions).calculate(any(), eq(USER_ID), contextCaptor.capture());
        assertEquals(0, new BigDecimal("2000").compareTo(contextCaptor.getValue().getDeliveryFee()));
    }

    // ==================== 辅助构造 ====================

    private void assertFreight(int callIndex, String meters, String expectedFee)
    {
        FoodDeliveryPromotionQuoteService spy = spyWithRoute(new BigDecimal(meters));
        spy.quote(request(), USER_ID);
        ArgumentCaptor<PromotionDeliveryContext> contextCaptor = ArgumentCaptor.forClass(PromotionDeliveryContext.class);
        verify(promotions, org.mockito.Mockito.times(callIndex)).calculate(any(), eq(USER_ID), contextCaptor.capture());
        PromotionDeliveryContext context = contextCaptor.getAllValues().get(callIndex - 1);
        assertEquals(0, new BigDecimal(expectedFee).compareTo(context.getDeliveryFee()),
                meters + "m should be " + expectedFee);
    }

    private FoodDeliveryPromotionQuoteService spyWithRoute(BigDecimal meters)
    {
        FoodDeliveryPromotionQuoteService spy = org.mockito.Mockito.spy(subject());
        doReturn(meters).when(spy).routeDistanceMeters(any(), any());
        return spy;
    }

    private FoodDeliveryPromotionQuoteRequest request()
    {
        FoodDeliveryPromotionQuoteRequest request = new FoodDeliveryPromotionQuoteRequest();
        request.setStoreId(STORE_ID);
        request.setOrderType(0);
        request.setAddressId(ADDRESS_ID);
        FoodDeliveryPromotionQuoteRequest.Item item = new FoodDeliveryPromotionQuoteRequest.Item();
        item.setProductId(FOOD_ID);
        item.setQuantity(2);
        item.setSpecValueIds(List.of(SPEC_VALUE_ID));
        request.setItems(new java.util.ArrayList<>(List.of(item)));
        return request;
    }

    private PosStore store()
    {
        PosStore store = new PosStore();
        store.setId(STORE_ID.intValue());
        store.setUserId(5L);
        store.setLatitude(new BigDecimal("25.0330"));
        store.setLongitude(new BigDecimal("121.5654"));
        return store;
    }

    private InfoAddress address(Long userId)
    {
        InfoAddress address = new InfoAddress();
        address.setId(ADDRESS_ID);
        address.setUserId(userId);
        address.setLatitude(new BigDecimal("25.0400"));
        address.setLongitude(new BigDecimal("121.5700"));
        return address;
    }

    private PosFood food(Long mdId, String price)
    {
        PosFood food = new PosFood();
        food.setId(FOOD_ID);
        food.setMdid(mdId);
        food.setPrice(new BigDecimal(price));
        food.setName("测试商品");
        food.setStackingUp("0");
        food.setToExamine("1");
        return food;
    }

    private PosFreight fare(Long startingFare, Long startingDistance, Long freightPerUnit, Long distanceUnit)
    {
        PosFreight row = new PosFreight();
        row.setStartingFare(startingFare);
        row.setStartingDistance(startingDistance);
        row.setFreight(freightPerUnit);
        row.setDistance(distanceUnit);
        return row;
    }

    /** 规格组300（mdId 指定门店，必选/多选）+ 规格值301（加价10），经 foodId=10 关联 */
    private void stubSpecGroup(Long mdId)
    {
        FoodSpecRelation relation = new FoodSpecRelation();
        relation.setFoodId(FOOD_ID);
        relation.setSpecsId(300L);
        when(relations.selectFoodSpecRelationList(any())).thenReturn(List.of(relation));
        FoodSpecs group = new FoodSpecs();
        group.setId(300L);
        group.setMdId(mdId);
        group.setIsOpen(true);
        group.setIsDelete(false);
        group.setState("1");
        group.setType("0");
        when(specs.selectById(300L)).thenReturn(group);
        FoodSpecsValue value = new FoodSpecsValue();
        value.setId(SPEC_VALUE_ID);
        value.setParentId(300L);
        value.setPrice(new BigDecimal("10"));
        value.setIsOpen(true);
        when(values.selectById(SPEC_VALUE_ID)).thenReturn(value);
    }
}