using LCU.Api.Internal.Dispatcher.Configurations;
using LCU.Api.Internal.Dispatcher.Services.DispatcherOperationServices;
using LCU.Api.Internal.Dispatcher.Services;
using System.Collections.Generic;
using LCU.Library.Internal.DispatcherModels.Enums;
using LCU.Library.Internal.DispatcherModels.Models.Requests;

namespace LCU.Api.Internal.DispatcherTests.ServiceTests
{
    public class SendErroredJobAlertServiceTests
    {
        private readonly Mock<INotificationService> _mockNotificationService;
        private readonly ApiConfiguration _apiConfigiguration;
        private readonly SendErroredJobAlertService _sendErroredJobAlertService;

        public SendErroredJobAlertServiceTests()
        {
            _mockNotificationService = new Mock<INotificationService>();
            _apiConfigiguration = new ApiConfiguration
            {
                DefaultErrorRecipient = "testertest@landmarkcu.com",
                BatchErroredJobsTemplate = "./TemplatesTest/Test_BatchErroredJobsTemplate.html",
                ErrorRowTemplate = "./TemplatesTest/Test_ErrorRowTemplate.html"
            };
            _sendErroredJobAlertService = new SendErroredJobAlertService(_apiConfigiguration, _mockNotificationService.Object);
        }

        [Fact]
        public void GroupJobsByRecipients_Returns_OnlyDefault()
        {
            var job = new Job()
            {
                JobId = 1
            };

            var erroredJobAlertRequests = new List<ErroredJobAlertRequest>
            {
                new ErroredJobAlertRequest
                {
                    CurrentJob = job,
                    CurrentWorkItem = new WorkItem()
                }
            };

            var result = _sendErroredJobAlertService.GroupJobsByRecipients(erroredJobAlertRequests);

            Assert.NotNull(result);
            Assert.Single(result);
            var resultErroredJobAlertRequest = result["testertest@landmarkcu.com"].FirstOrDefault();
            Assert.Equal(job, resultErroredJobAlertRequest.CurrentJob);
        }

        [Fact]
        public void GroupJobsByRecipients_Returns_FourRecipients_And_Default()
        {
            var job1 = new Job()
            {
                JobId = 1
            };

            var job2 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_1",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    }
                }
            };

            var job3 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_3",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_4",
                    }
                }
            };

            var erroredJobAlertRequests = new List<ErroredJobAlertRequest>
            {
                new ErroredJobAlertRequest
                {
                    CurrentJob = job1,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job2,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job3,
                    CurrentWorkItem = new WorkItem()
                }
            };

            var result = _sendErroredJobAlertService.GroupJobsByRecipients(erroredJobAlertRequests);

            Assert.NotNull(result);
            Assert.Equal(job1, result["testertest@landmarkcu.com"].FirstOrDefault().CurrentJob);
            Assert.Equal(job2, result["test_recipient_1"].FirstOrDefault().CurrentJob);
            Assert.Equal(job3, result["test_recipient_4"].FirstOrDefault().CurrentJob);
        }

        [Fact]
        public void GroupJobsByRecipients_Returns_FourRecipients_And_DefaultAsTwoJobs()
        {
            var job1 = new Job()
            {
                JobId = 1
            };

            var job2 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "TesterTest@landmarkcu.com",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_1",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    }
                }
            };

            var job3 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_3",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_4",
                    }
                }
            };

            var erroredJobAlertRequests = new List<ErroredJobAlertRequest>
            {
                new ErroredJobAlertRequest
                {
                    CurrentJob = job1,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job2,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job3,
                    CurrentWorkItem = new WorkItem()
                }
            };

            var result = _sendErroredJobAlertService.GroupJobsByRecipients(erroredJobAlertRequests);

            Assert.NotNull(result);
            Assert.Equal(2, result["testertest@landmarkcu.com"].Count);
            Assert.Equal(job2, result["test_recipient_1"].FirstOrDefault().CurrentJob);
            Assert.Equal(job3, result["test_recipient_4"].FirstOrDefault().CurrentJob);
        }

        [Fact]
        public void GroupJobsByRecipients_Returns_FourRecipients_And_DefaultWithLower_DefaultAsTwoJobs()
        {
            var job1 = new Job()
            {
                JobId = 1
            };

            var job2 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "TesterTest@landmarkcu.com",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_1",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    }
                }
            };

            var job3 = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_3",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_4",
                    }
                }
            };


            var erroredJobAlertRequests = new List<ErroredJobAlertRequest>
            {
                new ErroredJobAlertRequest
                {
                    CurrentJob = job1,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job2,
                    CurrentWorkItem = new WorkItem()
                },
                new ErroredJobAlertRequest
                {
                    CurrentJob = job3,
                    CurrentWorkItem = new WorkItem()
                }
            };
            var result = _sendErroredJobAlertService.GroupJobsByRecipients(erroredJobAlertRequests);

            Assert.NotNull(result);
            Assert.Equal(2, result["testertest@landmarkcu.com"].Count);
            Assert.Equal(job2, result["test_recipient_1"].FirstOrDefault().CurrentJob);
            Assert.Equal(job3, result["test_recipient_4"].FirstOrDefault().CurrentJob);
        }

        [Fact]
        public void AddRecipients_Returns_AddsThree_Groups()
        {
            var job = new Job()
            {
                JobErrorRecipients = new List<JobErrorRecipient>()
                {
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_2",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_3",
                    },
                    new JobErrorRecipient()
                    {
                        Recipient = "Test_Recipient_4",
                    }
                }
            };

            var groupedRecipients = new Dictionary<string, List<ErroredJobAlertRequest>>();

            var erroredJobAlertRequest = new ErroredJobAlertRequest
            {
                CurrentJob = job,
                CurrentWorkItem = new WorkItem()
            };

            _sendErroredJobAlertService.AddRecipients(erroredJobAlertRequest, groupedRecipients);

            Assert.NotNull(groupedRecipients);
            Assert.Equal(3, groupedRecipients.Count);
            Assert.NotNull(groupedRecipients["test_recipient_2"]);
            Assert.NotNull(groupedRecipients["test_recipient_3"]);
            Assert.NotNull(groupedRecipients["test_recipient_4"]);
        }

        [Fact]
        public void SetUpJobErrorDetails_NoWorkItem_ErroredOrProcessing_Throws()
        {
            var erroredJobAlertRequest = new ErroredJobAlertRequest
            {
                CurrentJob = new Job()
            };

            Assert.ThrowsAsync<ArgumentNullException>(async () => _sendErroredJobAlertService.SetUpJobErrorDetails(erroredJobAlertRequest));
        }

        [Fact]
        public void SetUpJobErrorDetails_NoWorkItem_ErroredOrProcessing_Return_JobErrorDetail()
        {
            var workItem = new WorkItem()
            {
                Name = "Test WorkItem",
                WorkItemExecutions = new List<WorkItemExecution>(){
                                         new WorkItemExecution()
                                         {
                                             Status = StatusType.Failed,
                                             StartedTimestamp = Convert.ToDateTime("4/1/2021")
                                         }
                                     }
            };

            var job = new Job()
            {
                Name = "Test Job",
                NextRunTime = DateTime.Now.AddHours(-1),
                WorkItems = new List<WorkItem>() {
                               workItem
                            },
                JobStatus = JobStatus.Failed
            };

            var erroredJobAlertRequest = new ErroredJobAlertRequest
            {
                CurrentJob = job,
                CurrentWorkItem = workItem
            };

            var result = _sendErroredJobAlertService.SetUpJobErrorDetails(erroredJobAlertRequest);

            Assert.NotNull(result);
            Assert.Equal("Test Job", result.JobName);
            Assert.Equal("Test WorkItem", result.WorkItemName);
            Assert.Equal("Failed", result.JobStatus);
            Assert.Equal(Convert.ToDateTime("4/1/2021").ToString(), result.StartTime);
        }

        [Fact]
        public void CreateErrorRow_Return_Filled_Test_ErrorRowTemplate()
        {
            var jobErrorDetails = new JobErrorDetail()
            {
                JobName = "Test Job",
                WorkItemName = "Test WorkItem",
                JobStatus = "Failed",
                StartTime = Convert.ToDateTime("4/1/2021").ToString()
            };

            var result = _sendErroredJobAlertService.CreateErrorRow(jobErrorDetails);

            Assert.Contains("Test Job", result);
            Assert.Contains("Test WorkItem", result);
            Assert.Contains("Failed", result);
            Assert.Contains(Convert.ToDateTime("4/1/2021").ToString(), result);
        }

        [Fact]
        public void CreateBatchErroredJobsEmail_Return_Filled_Test_ErrorRowTemplate()
        {
            var stringHtmlErrors = "<div><div>Test Job</div><div>Test WorkItem</div><div>Failed</div><div>4/1/2021 12:00:00 AM</div></div>";
            var result = _sendErroredJobAlertService.CreateBatchErroredJobsEmail(stringHtmlErrors);

            Assert.Contains("Test Job", result);
            Assert.Contains("Test WorkItem", result);
            Assert.Contains("Failed", result);
            Assert.Contains(Convert.ToDateTime("4/1/2021").ToString(), result);
        }
    }
}