using System;
using System.Collections.Generic;
using LCU.API.Collections.RepoApi.Domain.AlertChecker;
using LCU.API.Collections.RepoApi.Domain.Processing;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Models.Consumer;
using Xunit;

namespace LCU.API.Collections.RepoApiTests.AlertCheckers
{
    public class CreditAdjustmentCheckerTest
    {
        private readonly CreditAdjustmentChecker _creditAdjustmentChecker;
        private readonly List<CoreTransaction> _transactions;

        public CreditAdjustmentCheckerTest()
        {
            _transactions = new List<CoreTransaction>()
            {
                new CoreTransaction()
                {
                    postingDate = DateTime.Now.AddDays(-2),
                    transactionTypeCode = "PDSB",
                    amount = 500,
                    runningBalance = 2000,
                    transactionTypeDescription = "Test"
                }
            };
            _creditAdjustmentChecker = new CreditAdjustmentChecker();
        }

        [Fact]
        public void Creates_Alert_With_Recent_Transactions_Present_And_O4R_Status()
        {
            var slip = new RepoAccountProcessingSlip()
            {
                TransactionHistory = _transactions,
                ExistingRepoAccount = new RepoAccount(),
                UpdatedRepoAccount = new RepoAccount { Status = "O4R" }
            };

            var result = _creditAdjustmentChecker.CheckForAlert(slip);

            Assert.NotNull(result);
            Assert.Equal("Credit Adjustment Received", result[0].Message);
        }

        [Fact]
        public void Creates_Alert_With_Recent_Transactions_Present_And_REPO_Status()
        {
            var slip = new RepoAccountProcessingSlip()
            {
                TransactionHistory = _transactions,
                ExistingRepoAccount = new RepoAccount(),
                UpdatedRepoAccount = new RepoAccount { Status = "REPO" }
            };

            var result = _creditAdjustmentChecker.CheckForAlert(slip);

            Assert.NotNull(result);
            Assert.Equal("Credit Adjustment Received", result[0].Message);
        }

        [Fact]
        public void Creates_Alert_With_Recent_Transactions_Present_And_SOLD_Status()
        {
            var slip = new RepoAccountProcessingSlip()
            {
                TransactionHistory = _transactions,
                ExistingRepoAccount = new RepoAccount(),
                UpdatedRepoAccount = new RepoAccount { Status = "SOLD" }
            };

            var result = _creditAdjustmentChecker.CheckForAlert(slip);

            Assert.NotNull(result);
            Assert.Equal("Credit Adjustment Received", result[0].Message);
        }

        [Fact]
        public void Does_Not_Create_Alert_For_Unwatched_Statuses()
        {
            var slip = new RepoAccountProcessingSlip()
            {
                TransactionHistory = _transactions,
                ExistingRepoAccount = new RepoAccount(),
                UpdatedRepoAccount = new RepoAccount { Status = "RECA" }
            };

            var result = _creditAdjustmentChecker.CheckForAlert(slip);

            Assert.Null(result);
        }
    }
}