using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Newtonsoft.Json;
using SchoolAgainStudyBusinessLogic.MailWorker;
using SchoolAgainStudyContracts.BindingModel;
using SchoolAgainStudyContracts.BusinessLogicContracts;
using SchoolAgainStudyContracts.SearchModel;
using SchoolAgainStudyDataBaseImplements.Models;
using SchoolAgainStudyDataModels.Models;
using System.Diagnostics;
using TeacherWebClient.Models;

namespace TeacherWebClient.Controllers
{
	public class HomeController : Controller
	{
		private readonly ILogger<HomeController> _logger;
		private readonly IProductLogic _product;
		private readonly ILessonLogic _lesson;
		private readonly ITaskLogic _task;
		private readonly IMaterialLogic _material;
		private readonly ITeacherLogic _teacher;
		private readonly IReportLogic _report;
		private readonly AbstractMailWorker mailSender;
		private readonly IChartLogic _chart;
		public HomeController(ILogger<HomeController> logger, IProductLogic product, ILessonLogic lesson, ITaskLogic task, IMaterialLogic material, ITeacherLogic teacher, IReportLogic report, AbstractMailWorker abstractMailWorker, IChartLogic chart)
		{
			_logger = logger;
			_product = product;
			_lesson = lesson;
			_task = task;
			_material = material;
			_teacher = teacher;
			_report = report;
			_chart = chart;

			try
			{
				mailSender = abstractMailWorker;
				mailSender?.MailConfig(new MailConfigBindingModel
				{
					MailLogin = System.Configuration.ConfigurationManager.AppSettings["MailLogin"] ?? string.Empty,
					MailPassword = System.Configuration.ConfigurationManager.AppSettings["MailPassword"] ?? string.Empty,
					SmtpClientHost = System.Configuration.ConfigurationManager.AppSettings["SmtpClientHost"] ?? string.Empty,
					SmtpClientPort = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["SmtpClientPort"]),
					PopHost = System.Configuration.ConfigurationManager.AppSettings["PopHost"] ?? string.Empty,
					PopPort = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["PopPort"])
				});

			}
			catch (Exception ex)
			{
				logger?.LogError(ex, "Ошибка работы с почтой");
			}
		}

		[HttpGet]
		public IActionResult Index()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			return View();
		}

		public IActionResult Privacy()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			return View(APIClient.Teacher);
		}

		[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
		public IActionResult Error()
		{
			return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
		}
		[HttpPost]

		public void Privacy(string name, string post, string email, string login, string password)
		{
			if (APIClient.Teacher == null)
			{
				throw new Exception("Вы как суда попали? Суда вход только авторизованным");
			}
			if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(name) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(post))
			{
				throw new Exception("Введите данные");
			}
			_teacher.Update(new TeacherBindingModel
			{
				Id = APIClient.Teacher.Id,
				Name = name,
				Email = email,
				Password = password,
				Login = login,
				Post = post
			});

			APIClient.Teacher.Name = name;
			APIClient.Teacher.Email = email;
			APIClient.Teacher.Password = password;
			APIClient.Teacher.Login = login;
			APIClient.Teacher.Post = post;
			Response.Redirect("Index");
		}
		[HttpGet]
		public IActionResult Enter()
		{
			return View();
		}

		[HttpPost]
		public void Enter(string login, string password)
		{
			if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
			{
				throw new Exception("Введите логин и пароль");
			}
			APIClient.Teacher = _teacher.ReadElement(new TeacherSearchModel { Login = login, Password = password });
			if (APIClient.Teacher == null)
			{
				throw new Exception("Неверный логин/пароль");
			}
			Response.Redirect("Index");
		}
		[HttpGet]
		public IActionResult Register()
		{
			return View();
		}

		[HttpPost]
		public void Register(string name, string post, string email, string login, string password)
		{
			if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(name) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(post))
			{
				throw new Exception("Введите ФИО, должность, почту, логин, пароль");
			}
			_teacher.Create(new TeacherBindingModel
			{
				Name = name,
				Email = email,
				Password = password,
				Login = login,
				Post = post
			});
			Response.Redirect("Enter");
			return;
		}
		[HttpGet]
		public IActionResult Materials()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			return View(_material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id }));
		}
		[HttpGet]
		public IActionResult CreateMaterial()
		{
			return View();
		}
		[HttpPost]
		public void CreateMaterial(string title, string sphereUse)
		{
			if (APIClient.Teacher == null)
			{
				throw new Exception("Вы как суда попали? Суда вход только авторизованным");
			}
			if (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(sphereUse))
			{
				throw new Exception("Введите название и сферу использования");
			}
			_material.Create(new MaterialBindingModel
			{
				TeacherId = APIClient.Teacher.Id,
				Title = title,
				SphereUse = sphereUse
			});
			Response.Redirect("Materials");
		}
		[HttpGet]
		public IActionResult MaterialSetting(int id)
		{
			return View(_material.ReadElement(new MaterialSearchModel { Id = id }));
		}
		[HttpPost]
		public void UpdateMaterial(int id, string name, string sph)
		{


			if (string.IsNullOrEmpty(name))
			{
				throw new Exception("Нет названия");
			}
			if (string.IsNullOrEmpty(sph))
			{
				throw new Exception("Нет сферы применения");
			}

			_material.Update(new MaterialBindingModel
			{
				Id = id,
				Title = name,
				SphereUse = sph,
				TeacherId = APIClient.Teacher.Id,

			});
			Response.Redirect("/Home/Materials");
		}

		public void DeleteMaterial(int id)
		{

			_material.Delete(new MaterialBindingModel
			{
				Id = id,
			});
			Response.Redirect("/Home/Materials");
		}
		[HttpGet]
		public IActionResult Lessons()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			return View(_lesson.ReadList(new LessonSearchModel { TeacherId = APIClient.Teacher.Id }));
		}
		[HttpGet]
		public IActionResult CreateLesson()
		{
			ViewBag.Products = _product.ReadList(null);
			var list = _material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id });
			var simpMaterial = list.Select(x => new { MaterialId = x.Id, MaterialName = x.Title });
			ViewBag.Materials = new MultiSelectList(simpMaterial, "MaterialId", "MaterialName");
			return View();
		}
		[HttpPost]
		public void CreateLesson(string title, string dateEvent, int product, int[] materials)
		{
			if (APIClient.Teacher == null)
			{
				throw new Exception("Вы как суда попали? Суда вход только авторизованным");
			}
			if (string.IsNullOrEmpty(title) || string.IsNullOrEmpty(dateEvent) || product <= 0)
			{
				throw new Exception("Введите название и дату");
			}
            if (materials.Length == 0)
                throw new Exception("Выберите материалы");

            Dictionary<int, IMaterial> lessonMaterials = new Dictionary<int, IMaterial>();
			foreach (int id in materials)
			{
				lessonMaterials.Add(id, _material.ReadElement(new MaterialSearchModel { Id = id }));
			}

			_lesson.Create(new LessonBindingModel
			{
				TeacherId = APIClient.Teacher.Id,
				TeacherName = APIClient.Teacher.Name,
				Title = title,
				DateEvent = DateTime.SpecifyKind(DateTime.Parse(dateEvent), DateTimeKind.Utc),
				ProductId = product,
				ProductName = _product.ReadElement(new ProductSearchModel { Id = product }).Title,
				LessonMaterials = lessonMaterials

			});
			Response.Redirect("Lessons");
		}
		[HttpGet]
		public IActionResult LessonSetting(int id)
		{
			var lesson = _lesson.ReadElement(new LessonSearchModel { Id = id });
			var materials = _material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id }).Select(x => new { MaterialId = x.Id, MaterialName = x.Title }).ToList();
			var selectedMaterials = lesson.LessonMaterials.Select(x => x.Key).ToArray();
			ViewBag.Materials = new MultiSelectList(materials, "MaterialId", "MaterialName", selectedMaterials);
			ViewBag.Products = _product.ReadList(null);
			return View(lesson);
		}
		[HttpPost]
		public void UpdateLesson(int idLesson, string title, string dateEvent, int product, int[] materials)
		{


			if (string.IsNullOrEmpty(title))
			{
				throw new Exception("Нет названия");
			}
			if (string.IsNullOrEmpty(dateEvent))
			{
				throw new Exception("Нет даты");
			}
			if (product <= 0)
			{
				throw new Exception("Нет изделия");
			}
            if (materials.Length == 0)
                throw new Exception("Выберите материалы");

            Dictionary<int, IMaterial> lessonMaterials = new Dictionary<int, IMaterial>();
			foreach (int id in materials)
			{
				lessonMaterials.Add(id, _material.ReadElement(new MaterialSearchModel { Id = id }));
			}
			_lesson.Update(new LessonBindingModel
			{
				Id = idLesson,
				TeacherId = APIClient.Teacher.Id,
				TeacherName = APIClient.Teacher.Name,
				Title = title,
				DateEvent = DateTime.SpecifyKind(DateTime.Parse(dateEvent), DateTimeKind.Utc),
				ProductId = product,
				ProductName = _product.ReadElement(new ProductSearchModel { Id = product }).Title,
				LessonMaterials = lessonMaterials

			});
			Response.Redirect("/Home/Lessons");
		}

		public void DeleteLesson(int id)
		{

			_lesson.Delete(new LessonBindingModel
			{
				Id = id,
			});
			Response.Redirect("/Home/Lessons");
		}
		[HttpGet]
		public IActionResult Tasks()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			return View(_task.ReadList(new TaskSearchModel { TeacherId = APIClient.Teacher.Id }));
		}
		[HttpGet]
		public IActionResult CreateTask()
		{
			var list = _material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id });
			var simpMaterial = list.Select(x => new { MaterialId = x.Id, MaterialName = x.Title });
			ViewBag.Materials = new MultiSelectList(simpMaterial, "MaterialId", "MaterialName");
			return View();
		}
		[HttpPost]
		public void CreateTask(string title, string dateIssue, string dateDelivery, int[] materials)
		{
			if (APIClient.Teacher == null)
			{
				throw new Exception("Вы как суда попали? Суда вход только авторизованным");
			}
			if (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(dateIssue) || string.IsNullOrEmpty(dateDelivery))
			{
				throw new Exception("Введите название и даты");
			}
			if(DateTime.SpecifyKind(DateTime.Parse(dateIssue), DateTimeKind.Utc) >= DateTime.SpecifyKind(DateTime.Parse(dateDelivery), DateTimeKind.Utc))
			{
				throw new Exception("Дата выдачи должна быть раньше срока сдачи");
			}
            if (materials.Length == 0)
                throw new Exception("Выберите материалы");

            Dictionary<int, IMaterial> taskMaterials = new Dictionary<int, IMaterial>();
			foreach (int id in materials)
			{
				taskMaterials.Add(id, _material.ReadElement(new MaterialSearchModel { Id = id }));
			}
			_task.Create(new TaskBindingModel
			{
				TeacherId = APIClient.Teacher.Id,
				TeacherName = APIClient.Teacher.Name,
				Title = title,
				DateIssue = DateTime.SpecifyKind(DateTime.Parse(dateIssue), DateTimeKind.Utc),
				DateDelivery = DateTime.SpecifyKind(DateTime.Parse(dateDelivery), DateTimeKind.Utc),
				TaskMaterials = taskMaterials

			});
			Response.Redirect("Tasks");
		}
		[HttpGet]
		public IActionResult TaskSetting(int id)
		{
			var task = _task.ReadElement(new TaskSearchModel { Id = id });
			var materials = _material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id }).Select(x => new { MaterialId = x.Id, MaterialName = x.Title }).ToList();
			var selectedMaterials = task.TaskMaterials.Select(x => x.Key).ToArray();
			ViewBag.Materials = new MultiSelectList(materials, "MaterialId", "MaterialName", selectedMaterials);
			return View(task);
		}
		[HttpPost]
		public void UpdateTask(int idTask, string title, string dateIssue, string dateDelivery, int[] materials)
		{


			if (string.IsNullOrEmpty(title))
			{
				throw new Exception("Нет названия");
			}
			if (string.IsNullOrEmpty(dateIssue))
			{
				throw new Exception("Нет даты выдачи");
			}
			if (string.IsNullOrEmpty(dateDelivery))
			{
				throw new Exception("Нет срока сдачи");
			}
			if (DateTime.SpecifyKind(DateTime.Parse(dateIssue), DateTimeKind.Utc) >= DateTime.SpecifyKind(DateTime.Parse(dateDelivery), DateTimeKind.Utc))
			{
				throw new Exception("Дата выдачи должна быть раньше срока сдачи");
			}
            if (materials.Length == 0)
                throw new Exception("Выберите материалы");

            Dictionary<int, IMaterial> taskMaterials = new Dictionary<int, IMaterial>();
			foreach (int id in materials)
			{
				taskMaterials.Add(id, _material.ReadElement(new MaterialSearchModel { Id = id }));
			}
			_task.Update(new TaskBindingModel
			{
				Id = idTask,
				TeacherId = APIClient.Teacher.Id,
				TeacherName = APIClient.Teacher.Name,
				Title = title,
				DateIssue = DateTime.SpecifyKind(DateTime.Parse(dateIssue), DateTimeKind.Utc),
				DateDelivery = DateTime.SpecifyKind(DateTime.Parse(dateDelivery), DateTimeKind.Utc),
				TaskMaterials = taskMaterials

			});
			Response.Redirect("/Home/Tasks");
		}

		public void DeleteTask(int id)
		{

			_task.Delete(new TaskBindingModel
			{
				Id = id,
			});
			Response.Redirect("/Home/Tasks");
		}
		public IActionResult Reports()
		{
			var list = _material.ReadList(new MaterialSearchModel { TeacherId = APIClient.Teacher.Id });
			var simpMaterial = list.Select(x => new { MaterialId = x.Id, MaterialName = x.Title });
			ViewBag.Materials = new MultiSelectList(simpMaterial, "MaterialId", "MaterialName");
			return View();
		}

		public IActionResult GetPartial(int[] materials, string mode)
		{
			var list = materials.Select(x => _material.ReadElement(new MaterialSearchModel { Id = x })).ToList();
			if (mode.Equals("Excel"))
			{
				_report.SaveDiyMaterialToExcelFile
				 (new ReportBindingModel { FileName = $"C:\\Университет\\2 курс\\4 семестр\\РПП\\Курсач РПП\\Reports\\{APIClient.Teacher.Name}-{DateTime.Now.ToString("dd/MM/yyyy")}.xlsx", Materials = list, TeacherId = APIClient.Teacher.Id });

			}
			else
			{
				_report.SaveDiyMaterialToWordFile
				(new ReportBindingModel { FileName = $"C:\\Университет\\2 курс\\4 семестр\\РПП\\Курсач РПП\\Reports\\{APIClient.Teacher.Name}-{DateTime.Now.ToString("dd/MM/yyyy")}.docx", Materials = list, TeacherId = APIClient.Teacher.Id });

			}
			var items = _report.GetDiyMaterial(new ReportBindingModel { Materials = list, TeacherId = APIClient.Teacher.Id });
			return PartialView("_DiyListPartial", items);
		}

		public IActionResult SendingEmail()
		{

			return View();
		}

		public IActionResult GetPartialForPDF(string dateFrom, string dateTo)
		{
			var _dateFrom = DateTime.SpecifyKind(DateTime.Parse(dateFrom), DateTimeKind.Utc);
			var _dateTo = DateTime.SpecifyKind(DateTime.Parse(dateTo), DateTimeKind.Utc);
			if (_dateFrom > _dateTo)
			{
				throw new Exception("Неверные даты");
			}
			string path = $"C:\\Университет\\2 курс\\4 семестр\\РПП\\Курсач РПП\\Reports\\{APIClient.Teacher.Name} от {_dateFrom.ToString("dd/MM/yyyy")}.pdf";
			_report.SaveLessonTaskToPdfFile
				(new ReportBindingModel
				{
					FileName = path,
					DateFrom = _dateFrom,
					DateTo = _dateTo,
					TeacherId = APIClient.Teacher.Id
				});

			var items = _report.GetLessonTask(new ReportBindingModel { DateFrom = _dateFrom, DateTo = _dateTo, TeacherId = APIClient.Teacher.Id });
			mailSender.MailSendAsync(new MailSendInfoBindingModel
			{
				MailAddress = APIClient.Teacher.Email,
				Subject = "Отчет",
				Path = path
			});
			return PartialView("_LessonTaskListPartial", items);
		}

		[HttpGet]
		public IActionResult TopMaterials()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			ViewBag.DataPoints = JsonConvert.SerializeObject(_chart.GetTopMaterials(APIClient.Teacher.Id),
				new JsonSerializerSettings()
				{
					NullValueHandling = NullValueHandling.Ignore
				});
			return View();
		}
		[HttpGet]
		public IActionResult TopStudents()
		{
			if (APIClient.Teacher == null)
			{
				return Redirect("~/Home/Enter");
			}
			ViewBag.DataPoints = JsonConvert.SerializeObject(_chart.GetTopStudents(APIClient.Teacher.Id),
				new JsonSerializerSettings()
				{
					NullValueHandling = NullValueHandling.Ignore
				});
			return View();
		}
	}
}