using System;
using System.Collections.Generic;
using System.Xml.Linq;
using Xunit;
using CRIF.ACTion.Decisioning;
using Landmark.OLA.Models.Decisioning;
using Landmark.OLA.Models.Decisioning.Enums;

namespace CRIF.ACTion.Tests.Decisioning
{
    public class GetApplicationProductsResponseParserTest
    {
        private const string LoanApplicationId = "1200217";

        [Fact]
        public void DecisionStatus_Review()
        {
            GetDecisionStatusParserResponse("CashBackCC_Under-Review.xml",
                new DecisioningDetails([85,])
                {
                    DecisioningState = DecisioningState.Ready,
                    DecisioningResult = DecisioningResult.DecisionStatus_Review,
                });
        }

        [Fact]
        public void InvalidApplication()
        {
            /*
            This situation would likely not occur with our use cases, but if an application has more than one
            AppDetail section, the client will need to ask for a specific result.
            */
            Assert.Throws<ArgumentException>(() =>
                GetDecisionStatusParserResponse("Multiple-AppDetails.xml", null));
        }

        [Fact]
        public void InvalidApplicationIdInResponse()
        {
            Assert.Throws<InvalidOperationException>(() =>
                GetDecisionStatusParserResponse("InvalidApplicationId.xml", null));
        }


        private static void GetDecisionStatusParserResponse(string fileName, DecisioningDetails expectedResult)
        {
            string successResponsePath = "ExampleXML" + System.IO.Path.DirectorySeparatorChar + "GetApplicationsProductsParser" + System.IO.Path.DirectorySeparatorChar + fileName;

            var decisionResponse = (XElement)XDocument.Load(successResponsePath).FirstNode;

            var parser = new GetApplicationProductsResponseParser();

            parser.SetLoanId(LoanApplicationId);

            var result = parser.Parse(decisionResponse);

            Assert.Equal(expectedResult, result);
        }
    }
}