using DocumentFormat.OpenXml.Drawing;
using DocumentFormat.OpenXml.Wordprocessing;
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 SchoolAgainStudyDataModels.Models;
using StudentWebClient.Models;
using System.Collections;
using System.Diagnostics;
using System.Linq.Expressions;

namespace StudentWebClient.Controllers
{
    public class HomeController : Controller
    {
        private readonly ILogger<HomeController> _logger;
        private readonly ITaskLogic _task;
        private readonly IDiyLogic _diy;
        private readonly IProductLogic _product;
        private readonly IInterestLogic _interest;
        private readonly IStudentLogic _student;
        private readonly IReportLogic _report;
        private readonly IChartLogic _chart;
        private readonly AbstractMailWorker mailSender;
        public HomeController(ILogger<HomeController> logger, IDiyLogic diy, 
            IProductLogic product , ITaskLogic task , IInterestLogic interest,
            IStudentLogic student, IReportLogic report, AbstractMailWorker abstractMailWorker, IChartLogic chartLogic)
        {
            _logger = logger;
            _diy = diy;
            _product = product;
            _task = task;
            _interest = interest;
            _student = student;
            _report = report;
            _chart = chartLogic;

            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");
            }
        }

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

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

        [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 email,string login, string password, int scClass)
        {
            if (APIClient.Student == 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) || scClass<=0 || scClass > 11)
            {
                throw new Exception("Введите данные");
            }
            _student.Update( new StudentBindingModel
            {
                Id = APIClient.Student.Id,
                Name = name,
                Email = email,
                Password = password,
                Login = login,
                Class = scClass
            });

            APIClient.Student.Name = name;
            APIClient.Student.Email = email;
            APIClient.Student.Password = password;
            APIClient.Student.Login = login;
            APIClient.Student.Class = scClass;
            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.Student = _student.ReadElement(new StudentSearchModel { Login = login, Password = password });
            if (APIClient.Student == null)
            {
                throw new Exception("Неверный логин/пароль");
            }
            Response.Redirect("Index");
        }
        [HttpGet]
        public IActionResult Register()
        {
            return View();
        }

        [HttpPost]
        public void Register(string name, string email, string login, string password, int scClass)
        {
            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(name) || string.IsNullOrEmpty(email) || scClass <= 0 || scClass > 11)
            {
                    throw new Exception("Введите логин, пароль и ФИО, класс, почту");
            }
            _student.Create( new StudentBindingModel
            {
                Name = name,
                Email = email,
                Password = password,
                Login = login,
                Class = scClass
            });
            Response.Redirect("Enter");
            return;
        }
        [HttpGet]
        public IActionResult Interests()
        {
            if (APIClient.Student == null)
            {
                return Redirect("~/Home/Enter");
            }
            return View(_interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id}));
        }
        [HttpGet]
        public IActionResult CreateInterest()
        {
            
            return View();
        }
        [HttpPost]
        public void CreateInterest(string title,string description)
        {
            if (APIClient.Student == null)
            {
                throw new Exception("Вы как суда попали? Суда вход только авторизованным");
            }
            if (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(description))
            {
                throw new Exception("Введите название и описане");
            }
            _interest.Create( new InterestBindingModel
            {
                StudentId = APIClient.Student.Id,
                Title = title,
                Description = description
            });
            Response.Redirect("Interests");
        }
        [HttpGet]
        public IActionResult InterestSetting(int id)
        {
            return View(_interest.ReadElement(new InterestSearchModel { Id = id}));
        }
        [HttpPost]
        public void UpdateInterest(int id,string name, string desc)
        {
            
            
            if (string.IsNullOrEmpty(name))
            {
                throw new Exception("Нет названия");
            }
            if (string.IsNullOrEmpty(desc))
            {
                throw new Exception("Нет описания");
            }
           
            _interest.Update( new InterestBindingModel
            {
                Id = id,
                Title = name,
                Description = desc,
                StudentId = APIClient.Student.Id,

            });
            Response.Redirect("/Home/Interests");
        }
        
        public void DeleteInterest(int id)
        {

           _interest.Delete(new InterestBindingModel
            {
                Id = id,
            });
            Response.Redirect("/Home/Interests");
        }

        [HttpGet]
        public IActionResult Diyes()
        {
            if (APIClient.Student == null)
            {
                return Redirect("~/Home/Enter");
            }
            return View(_diy.ReadList(new DiySearchModel { StudentId = APIClient.Student.Id}));
        }
        [HttpGet]
        public IActionResult CreateDiy()
        {
            ViewBag.Tasks = _task.ReadList(null);
            var list = _interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id});
            var simpInterest = list.Select(x => new { InterestId = x.Id, InterestName = x.Title });
            ViewBag.Interests = new MultiSelectList(simpInterest, "InterestId", "InterestName");
            return View();
        }
        [HttpPost]
        public void CreateDiy(string title, string description, string dateCreate, int task, int[] interests )
        {
            if (APIClient.Student == null)
            {
                throw new Exception("Вы как суда попали? Суда вход только авторизованным");
            }
            if (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(description) || string.IsNullOrEmpty(dateCreate) || task <=0 )
            {
                throw new Exception("Введите название и описане");
            }
            Dictionary<int, IInterest> diyInterests = new Dictionary<int, IInterest>();
            foreach(int id in interests)
            {
                diyInterests.Add(id,_interest.ReadElement(new InterestSearchModel { Id = id}));
            }
            _diy.Create(new DiyBindingModel
            {
                StudentId = APIClient.Student.Id,
                StudentName = APIClient.Student.Name,
                Title = title,
                Description = description,
                DateCreate = DateTime.SpecifyKind(DateTime.Parse(dateCreate), DateTimeKind.Utc),
                TaskId = task,
                TaskName = _task.ReadElement(new TaskSearchModel { Id = task }).Title,
                DiyInterests = diyInterests
                
            }) ;
            Response.Redirect("Diyes");
        }
        [HttpGet]
        public IActionResult DiySetting(int id)
        {
            var diy = _diy.ReadElement(new DiySearchModel { Id = id });
            var interests = _interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id}).Select(x => new {InterestId = x.Id, InterestName = x.Title}).ToList();
            var selectedInterests = diy.DiyInterests.Select(x => x.Key).ToArray();
            ViewBag.Interests = new MultiSelectList(interests, "InterestId", "InterestName", selectedInterests);
            ViewBag.Tasks = _task.ReadList(null);
            return View(diy);
        }
        [HttpPost]
        public void UpdateDiy(int idDiy,string title, string description, string dateCreate, int task, int[] interests)
        {


            if (string.IsNullOrEmpty(title))
            {
                throw new Exception("Нет названия");
            }
            if (string.IsNullOrEmpty(description))
            {
                throw new Exception("Нет описания");
            }
            if (string.IsNullOrEmpty(dateCreate))
            {
                throw new Exception("Нет даты");
            }
            if (task <= 0)
            {
                throw new Exception("Нет задания");
            }
            

            Dictionary<int, IInterest> diyInterests = new Dictionary<int, IInterest>();
            foreach (int id in interests)
            {
                diyInterests.Add(id, _interest.ReadElement(new InterestSearchModel { Id = id }));
            }
            _diy.Update(new DiyBindingModel
            {
                Id = idDiy,
                StudentId = APIClient.Student.Id,
                StudentName = APIClient.Student.Name,
                Title = title,
                Description = description,
                DateCreate = DateTime.SpecifyKind(DateTime.Parse(dateCreate), DateTimeKind.Utc),
                TaskId = task,
                TaskName = _task.ReadElement(new TaskSearchModel { Id = task }).Title,
                DiyInterests = diyInterests

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

        public void DeleteDiy(int id)
        {

            _diy.Delete( new DiyBindingModel
            {
                Id = id,
            });
            Response.Redirect("/Home/Diyes");
        }
        [HttpGet]
        public IActionResult Products()
        {
            if (APIClient.Student == null)
            {
                return Redirect("~/Home/Enter");
            }
            return View(_product.ReadList(new ProductSearchModel { StudentId = APIClient.Student.Id }));
        }
        [HttpGet]
        public IActionResult CreateProduct()
        {
            var list = _interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id });
            var simpInterest = list.Select(x => new { InterestId = x.Id, InterestName = x.Title });
            ViewBag.Interests = new MultiSelectList(simpInterest, "InterestId", "InterestName");
            return View();
        }
        [HttpPost]
        public void CreateProduct(string title, string description, string dateCreate, int[] interests)
        {
            if (APIClient.Student == null)
            {
                throw new Exception("Вы как суда попали? Суда вход только авторизованным");
            }
            if (string.IsNullOrEmpty(title) && string.IsNullOrEmpty(description) || string.IsNullOrEmpty(dateCreate))
            {
                throw new Exception("Введите название и описане");
            }
            Dictionary<int, IInterest> productInterests = new Dictionary<int, IInterest>();
            foreach (int id in interests)
            {
                productInterests.Add(id, _interest.ReadElement(new InterestSearchModel { Id = id }));
            }
            _product.Create(new ProductBindingModel
            {
                StudentId = APIClient.Student.Id,
                StudentName = APIClient.Student.Name,
                Title = title,
                Description = description,
                DateCreate = DateTime.SpecifyKind(DateTime.Parse(dateCreate), DateTimeKind.Utc),
                ProductInterests = productInterests

            });
            Response.Redirect("Products");
        }
        [HttpGet]
        public IActionResult ProductSetting(int id)
        {
            var product = _product.ReadElement(new ProductSearchModel { Id = id });
            var interests = _interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id }).Select(x => new { InterestId = x.Id, InterestName = x.Title }).ToList();
            var selectedInterests = product.ProductInterests.Select(x => x.Key).ToArray();
            ViewBag.Interests = new MultiSelectList(interests, "InterestId", "InterestName", selectedInterests);
            return View(product);
        }
        [HttpPost]
        public void UpdateProduct(int idDiy, string title, string description, string dateCreate, int[] interests)
        {


            if (string.IsNullOrEmpty(title))
            {
                throw new Exception("Нет названия");
            }
            if (string.IsNullOrEmpty(description))
            {
                throw new Exception("Нет описания");
            }
            if (string.IsNullOrEmpty(dateCreate))
            {
                throw new Exception("Нет даты");
            }
            

            Dictionary<int, IInterest> productInterests = new Dictionary<int, IInterest>();
            foreach (int id in interests)
            {
                productInterests.Add(id, _interest.ReadElement(new InterestSearchModel { Id = id }));
            }
            _product.Update(new ProductBindingModel
            {
                Id = idDiy,
                StudentId = APIClient.Student.Id,
                StudentName = APIClient.Student.Name,
                Title = title,
                Description = description,
                DateCreate = DateTime.SpecifyKind(DateTime.Parse(dateCreate), DateTimeKind.Utc),
                ProductInterests = productInterests

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

        public void DeleteProduct(int id)
        {

            _product.Delete(new ProductBindingModel
            {
                Id = id,
            });
            Response.Redirect("/Home/Products");
        }
        public IActionResult Reports()
        {
            var list = _interest.ReadList(new InterestSearchModel { StudentId = APIClient.Student.Id });
            var simpInterest = list.Select(x => new { InterestId = x.Id, InterestName = x.Title });
            ViewBag.Interests = new MultiSelectList(simpInterest, "InterestId", "InterestName");
            return View();
        }
       
        public IActionResult GetPartial(int[] interests, string mode)
        {
            var list = interests.Select(x => _interest.ReadElement(new InterestSearchModel { Id = x })).ToList();
            if (mode.Equals("Excel"))
            {
                _report.SaveInterestLessonToExcelFile
                 (new ReportBindingModel { FileName = $"C:\\Users\\Вова\\Documents\\Учеба\\Reports\\{APIClient.Student.Name}-{DateTime.Now.ToString("dd/MM/yyyy")}.xlsx", Interests = list, StudentId = APIClient.Student.Id });

            }
            else
            {
                _report.SaveInterestLessonToWordFile
                (new ReportBindingModel { FileName = $"C:\\Users\\Вова\\Documents\\Учеба\\Reports\\{APIClient.Student.Name}-{DateTime.Now.ToString("dd/MM/yyyy")}.docx", Interests = list, StudentId = APIClient.Student.Id });

            }
            var items = _report.GetInterestLesson(new ReportBindingModel { Interests = list, StudentId = APIClient.Student.Id});
            return PartialView("_LessonListPartial", 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("Не верные даты");
            }
            string path = $"C:\\Users\\Вова\\Documents\\Учеба\\Reports\\{APIClient.Student.Name} от {_dateFrom.ToString("dd/MM/yyyy")}.pdf";
            _report.SaveInterestsToPdfFile
                (new ReportBindingModel { FileName =  path,
                DateFrom = _dateFrom, DateTo = _dateTo, StudentId = APIClient.Student.Id});

            var items = _report.GetInterests(new ReportBindingModel { DateFrom = _dateFrom, DateTo = _dateTo, StudentId = APIClient.Student.Id });
            mailSender.MailSendAsync(new MailSendInfoBindingModel
            {
                MailAddress = APIClient.Student.Email,
                Subject = $"Отчет от {dateFrom} по {dateTo}",
                Path = path
            });
            return PartialView("_InterestListPartial", items);
        }
        [HttpGet]
        public IActionResult WorksCharts()
        {
            if (APIClient.Student == null)
            {
                return Redirect("~/Home/Enter");
            }
            return View(_chart.GetDifferenceInCount(APIClient.Student.Id));
        }
        [HttpGet]
        public IActionResult ActivityCharts()
        {
            if (APIClient.Student == null)
            {
                return Redirect("~/Home/Enter");
            }
            ViewBag.DataPoints = JsonConvert.SerializeObject(_chart.GetActivitys(APIClient.Student.Id),
                new JsonSerializerSettings() {
                NullValueHandling = NullValueHandling.Ignore});
            return View();
        }


    }
}