using System;
using System.Collections.Generic;
using Castle.DynamicProxy.Generators;
using LCU.API.Collections.CollectionsApiLib.Models;
using LCU.API.Collections.RepoApi.Domain;
using LCU.API.Collections.RepoApi.Services;
using LCU.Shared.Collections.RepoApiLib.Models;
using Xunit;

namespace LCU.API.Collections.RepoApiTests
{
    public class RedemptionExpiredDateCalculatorTest
    {
     private readonly RedemptionExpiredDateCalculator _calculator;

        public RedemptionExpiredDateCalculatorTest()
        {
            _calculator = new RedemptionExpiredDateCalculator();
            
        }

        [Fact]
        public void Calculate_NoRepoLetters_NoDates_ReturnsNull()
        {
          
            // act
            var result = _calculator.CalculateAsync( new TemenosCase(), new List<RepoLetter>());

            // assert
            Assert.Null(result);
        }
        
        [Fact]
        public void Calculate_Null_ReturnsNull()
        {
          
            // act
            var result = _calculator.CalculateAsync( new TemenosCase(), null);

            // assert
            Assert.Null(result);
        }

        [Fact]
        public void Calculate_OK_WI()
        {
            TemenosAccount temenosAccount = new TemenosAccount
            {
            };

            TemenosCase temenosCase = new TemenosCase
            {
                RedemptionExpiredDateWi = DateTime.Parse("11/5/2018 12:00:00 AM")
            };

            // act
            var result = _calculator.CalculateAsync( temenosCase, new List<RepoLetter>()
            {
                new RepoLetter()
                {
                    ActionCode = "LTR34"
                }
            });

            //assert
            Assert.NotNull(result);
            Assert.Equal(result, DateTime.Parse("11/5/2018 12:00:00 AM"));
        } 
        
        [Fact]
        public void Calculate_OK_IL()
        {
            TemenosAccount temenosAccount = new TemenosAccount
            {
            };

            TemenosCase temenosCase = new TemenosCase
            {
                RedemptionExpiredDateIl = DateTime.Parse("11/5/2018 12:00:00 AM")
            };

            // act
            var result = _calculator.CalculateAsync( temenosCase, new List<RepoLetter>()
            {
                new RepoLetter()
                {
                    ActionCode = "LTR34"
                }
            });

            //assert
            Assert.NotNull(result);
            Assert.Equal(result, DateTime.Parse("11/5/2018 12:00:00 AM"));
        } 
        
        [Fact]
        public void Calculate_OK_BOTH_USE_WI()
        {
            TemenosAccount temenosAccount = new TemenosAccount
            {
            };

            TemenosCase temenosCase = new TemenosCase
            {
                RedemptionExpiredDateWi = DateTime.Parse("11/6/2018 12:00:00 AM"),
                RedemptionExpiredDateIl = DateTime.Parse("11/5/2018 12:00:00 AM")
            };

            // act
            var result = _calculator.CalculateAsync( temenosCase, new List<RepoLetter>()
            {
                new RepoLetter()
                {
                    ActionCode = "LTR34"
                }
            });

            //assert
            Assert.NotNull(result);
            Assert.Equal(result, DateTime.Parse("11/6/2018 12:00:00 AM"));
        }
    }
}