using System;
using System.Linq;
using LCU.Library.Internal.MemberPreferencesApiModels.Entities;
using LCU.Library.Internal.MemberPreferencesApiModels.Enums;
using NUnit.Framework;

namespace LCU.API.Internal.MemberPreferencesApi.UnitTests
{
    public class XdiBatchTest
    {
        private XdiBatchItem _item;

        [SetUp]
        public void Setup()
        {
            _item = new XdiBatchItem()
            {
                Created = DateTime.Now,
                BatchState = BatchState.New,
                LastUpdated = DateTime.Now,
                UserId = "99"
            };
        }

        [Test]
        public void TestEmptyBatch()
        {
            var batch = new Models.XdiBatch();
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.False(files.Any());
        }

        [Test]
        public void Test_Enrollment_UpdateToPrint()
        {
            var batch = new Models.XdiBatch();
            var settings = new MemberOptInSettings()
            {
                Id = 1000,
                UniversalOptIn = DeliveryPreference.Paper,
                ENotifications = DeliveryPreference.Electronic,
                EStatements = DeliveryPreference.Electronic,
                UnifiedOptInEmail = "test@test.com",
                ENotificationsEmail = "test@test.com",
                EStatementsEmail = "test@test.com",
                LastUpdated = DateTime.Now,
                LegalDate = DateTime.Now,
                LegalVersion = "1.2.3",
                UserId = "99",
                CreatedByType = UserType.Associate,
                LastUpdatedByType = UserType.System,
                CreatedBy = "test",
                Created = DateTime.Now,
                LastUpdatedBy = "test"
            };

            var result = batch.ProcessItem(_item, settings);
            Assert.True(result);
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.AreEqual(1, files.Count);
            Assert.AreEqual(XdiFileType.UpdateMemberToPrint, files.First().Type);
        }

        [Test]
        public void Test_DoNothing()
        {
            var batch = new Models.XdiBatch();
            var settings = new MemberOptInSettings()
            {
                Id = 1000,
                UniversalOptIn = DeliveryPreference.Paper,
                ENotifications = null,
                EStatements = DeliveryPreference.Electronic,
                UnifiedOptInEmail = "test@test.com",
                ENotificationsEmail = null,
                EStatementsEmail = "test@test.com",
                UserId = "99"
            };

            var result = batch.ProcessItem(_item, settings);

            Assert.False(result);
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.False(files.Any());
        }

        [Test]
        public void Test_Enrollment_UpdateToElectronic()
        {
            var batch = new Models.XdiBatch();
            var settings = new MemberOptInSettings()
            {
                Id = 1000,
                UniversalOptIn = DeliveryPreference.Electronic,
                ENotifications = DeliveryPreference.Paper,
                EStatements = DeliveryPreference.Paper,
                UnifiedOptInEmail = "test@test.com",
                ENotificationsEmail = "test@test.com",
                EStatementsEmail = "test@test.com",
                UserId = "99"
            };

            var result = batch.ProcessItem(_item, settings);

            Assert.True(result);
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.AreEqual(1, files.Count);
            Assert.AreEqual(XdiFileType.UpdateMemberToElectronic, files.First().Type);
        }

        [Test]
        public void Test_Enrollment_AddElectronic()
        {
            var batch = new Models.XdiBatch();
            var settings = new MemberOptInSettings()
            {
                Id = 1000,
                UniversalOptIn = DeliveryPreference.Electronic,
                ENotifications = null,
                EStatements = DeliveryPreference.Paper,
                UnifiedOptInEmail = "test@test.com",
                ENotificationsEmail = null,
                EStatementsEmail = null,
                UserId = "99"
            };

            var result = batch.ProcessItem(_item, settings);

            Assert.True(result);
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.AreEqual(1, files.Count);
            Assert.AreEqual(XdiFileType.AddMemberElectronic, files.First().Type);
        }

        [Test]
        public void Test_Enrollment_UpdateEmail()
        {
            var batch = new Models.XdiBatch();
            var settings = new MemberOptInSettings()
            {
                Id = 1000,
                UniversalOptIn = DeliveryPreference.Electronic,
                ENotifications = DeliveryPreference.Electronic,
                EStatements = DeliveryPreference.Electronic,
                UnifiedOptInEmail = "updated_email@test.com",
                ENotificationsEmail = "test@test.com",
                EStatementsEmail = "test@test.com",
                UserId = "99"
            };

            var result = batch.ProcessItem(_item, settings);

            Assert.True(result);
            var files = batch.GetNonEmptyFiles();
            Assert.NotNull(files);
            Assert.AreEqual(1, files.Count);
            Assert.AreEqual(XdiFileType.UpdateMemberEmail, files.First().Type);
        }
    }
}