package com.linhelp.delivery;

import com.linhelp.common.enums.DeliveryMethod;
import com.linhelp.common.enums.DeliveryTaskStatus;
import com.linhelp.common.enums.GoodsOrderStatus;
import com.linhelp.order.CreateGoodsOrderItemRequest;
import com.linhelp.order.CreateGoodsOrderRequest;
import com.linhelp.order.GoodsOrderResponse;
import com.linhelp.order.GoodsOrderService;
import com.linhelp.product.ProductService;
import com.linhelp.product.ProductSkuResponse;
import org.junit.jupiter.api.Test;

import java.util.Collections;

import static org.assertj.core.api.Assertions.assertThat;

class RiderTaskServiceTests {
    @Test
    void riderOnlySeesOwnTasks() {
        TestFixture fixture = new TestFixture();
        GoodsOrderResponse order = fixture.preparedDeliveryOrder();
        DeliveryUserResponse firstRider = fixture.rider(3L, "骑手一号");
        DeliveryUserResponse secondRider = fixture.rider(4L, "骑手二号");

        fixture.assignmentService.assignGoodsOrder(order.getId(), firstRider.getId());

        assertThat(fixture.riderTaskService.listTasks(firstRider.getId())).hasSize(1);
        assertThat(fixture.riderTaskService.listTasks(secondRider.getId())).isEmpty();
    }

    @Test
    void startingGoodsOrderTaskMovesGoodsOrderToDelivering() {
        TestFixture fixture = new TestFixture();
        GoodsOrderResponse order = fixture.preparedDeliveryOrder();
        DeliveryUserResponse rider = fixture.rider(3L, "骑手一号");
        DeliveryOrderResponse task = fixture.assignmentService.assignGoodsOrder(order.getId(), rider.getId());

        DeliveryOrderResponse started = fixture.riderTaskService.start(rider.getId(), task.getId());

        assertThat(started.getStatus()).isEqualTo(DeliveryTaskStatus.DELIVERING);
        assertThat(fixture.goodsOrderService.detail(order.getId()).getStatus()).isEqualTo(GoodsOrderStatus.DELIVERING);
    }

    @Test
    void deliveredTaskStoresPhotoUrl() {
        TestFixture fixture = new TestFixture();
        GoodsOrderResponse order = fixture.preparedDeliveryOrder();
        DeliveryUserResponse rider = fixture.rider(3L, "骑手一号");
        DeliveryOrderResponse task = fixture.assignmentService.assignGoodsOrder(order.getId(), rider.getId());
        fixture.riderTaskService.start(rider.getId(), task.getId());

        DeliveryOrderResponse delivered = fixture.riderTaskService.delivered(rider.getId(), task.getId(), "https://img.test/done.jpg");

        assertThat(delivered.getStatus()).isEqualTo(DeliveryTaskStatus.DELIVERED);
        assertThat(delivered.getDeliveredPhotoUrl()).isEqualTo("https://img.test/done.jpg");
    }

    private static class TestFixture {
        private final ProductService productService = new ProductService();
        private final GoodsOrderService goodsOrderService = new GoodsOrderService(productService);
        private final DeliveryUserService deliveryUserService = new DeliveryUserService();
        private final DeliveryAssignmentService assignmentService =
                new DeliveryAssignmentService(deliveryUserService, goodsOrderService, null);
        private final RiderTaskService riderTaskService =
                new RiderTaskService(assignmentService, goodsOrderService, null);

        private GoodsOrderResponse preparedDeliveryOrder() {
            ProductSkuResponse sku = productService.createDemoSku(1L, 1L, 1L, "500g", 990, 5);
            CreateGoodsOrderRequest request = new CreateGoodsOrderRequest();
            request.setTenantId(1L);
            request.setCommunityId(1L);
            request.setMerchantId(1L);
            request.setAddressId(1L);
            request.setDeliveryMethod(DeliveryMethod.IMMEDIATE);
            request.setItems(Collections.singletonList(new CreateGoodsOrderItemRequest(1L, sku.getId(), 1)));
            GoodsOrderResponse order = goodsOrderService.create(1L, request);
            goodsOrderService.confirm(order.getId());
            return goodsOrderService.markPrepared(order.getId());
        }

        private DeliveryUserResponse rider(Long userId, String name) {
            DeliveryUserRequest request = new DeliveryUserRequest();
            request.setTenantId(1L);
            request.setCommunityId(1L);
            request.setUserId(userId);
            request.setName(name);
            request.setPhone("13900000000");
            return deliveryUserService.create(request);
        }
    }
}