using System.Collections.Generic;
using System.Linq;
using LCU.API.Collections.RepoApi.Domain.FloorPricing;
using LCU.API.Collections.RepoApi.Domain.FloorPricing.Strategies;
using LCU.API.Collections.RepoApi.Services;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.WebServices.NADA;
using Moq;
using Xunit;

namespace LCU.API.Collections.RepoApiTests.Services
{
    public class FloorPricingServiceTest
    {
        private readonly Mock<IVehicleFloorPricingParametersService> mockFloorPriceService;
        private readonly Mock<ICollateralValueService> mockCollateralValueService;
        private readonly Mock<IImsAutoFileDataService> mockImsAutoFileDataService;
        private readonly Mock<IFloorPricingStrategyFactory> mockStrategyFactory;

        private readonly FloorPricingService service;

        public FloorPricingServiceTest()
        {
            mockFloorPriceService = new Mock<IVehicleFloorPricingParametersService>();
            mockCollateralValueService = new Mock<ICollateralValueService>();
            mockImsAutoFileDataService = new Mock<IImsAutoFileDataService>();
            mockStrategyFactory = new Mock<IFloorPricingStrategyFactory>();
            service = new FloorPricingService(
                mockStrategyFactory.Object, 
                mockFloorPriceService.Object,
                mockImsAutoFileDataService.Object, 
                mockCollateralValueService.Object);
        }

        [Fact]
        public void Full_Calculate_Floor_Price_OK()
        {
            // arrange
            var strategies = new List<IFloorPricingStrategy>()
            {
                new AutoImsSuggestedValue(),
                new NadaMmrConditionValue()
            };
            FloorPriceCalculationParams fpcParams = new FloorPriceCalculationParams();
            mockStrategyFactory.Setup(x => x.GetFloorPricingStrategies()).Returns(strategies);

            // act
            var results = service.GetCalculatedFloorPrices(fpcParams);

            // Assert
            Assert.NotNull(results);
            Assert.True(results.Any());
        }

        [Fact]
        public void Select_Floor_Price_OK()
        {
            // arrange
            List<FloorPriceCalculationResult> results = new List<FloorPriceCalculationResult>()
            {
                new FloorPriceCalculationResult()
                {
                    Success = true,
                    FloorPrice = 1000,
                    StrategyName = "a",
                    ResultWeight = 100
                },
                new FloorPriceCalculationResult()
                {
                    Success = false,
                    FloorPrice = 0,
                    StrategyName = "b",
                    ResultWeight = 1001
                },
                new FloorPriceCalculationResult()
                {
                    Success = true,
                    FloorPrice = 0,
                    StrategyName = "c",
                    ResultWeight = -1
                },
                new FloorPriceCalculationResult()
                {
                    Success = true,
                    FloorPrice = 1200,
                    StrategyName = "d",
                    ResultWeight = 101
                }
            };
            var strategies = new List<IFloorPricingStrategy>()
            {
                new AutoImsSuggestedValue(),
                new NadaMmrConditionValue()
            };

            mockStrategyFactory.Setup(x => x.GetFloorPricingStrategies()).Returns(strategies);

            // act
            var result = service.SelectBestFloorPrice(results);

            // Assert
            Assert.NotNull(result);
            Assert.Equal(1200, result.FloorPrice);
        }

        [Fact]
        public void Failed_NADA_Soap_Request_CollateralValuation_Not_Null()
        {
            mockCollateralValueService.Setup(x => x.GetCollateralValue("", 0, 0)).Throws<System.ServiceModel.FaultException>();
            var results = service.GetCollateralValuation("",0,0);
            Assert.NotNull(results);
        }
    }
}