using Microsoft.AspNetCore.Mvc;
using PolyclinicBusinessLogic.BusinessLogics;
using PolyclinicContracts.BindingModels;
using PolyclinicContracts.BusinessLogicsContracts;
using PolyclinicContracts.SearchModels;
using PolyclinicContracts.ViewModels;
using PolyclinicDataModels.Models;
using PolyclinicWebAppSuretor.Models;
using System.Diagnostics;

namespace PolyclinicWebAppSuretor.Controllers
{
    public class HomeController : Controller
    {
        private readonly ILogger<HomeController> _logger;
        private readonly IProcedureLogic _procedureLogic;
        private readonly IMedicamentLogic _medicamentLogic;
        private readonly IRecipeLogic _recipeLogic;
        private readonly ISymptomLogic _symptomLogic;
        private readonly ICourseLogic _courseLogic;

        public HomeController(ILogger<HomeController> logger,
            IProcedureLogic procedureLogic,
            IMedicamentLogic medicamentLogic,
            IRecipeLogic recipeLogic,
            ISymptomLogic symptomLogic,
            ICourseLogic courseLogic)
        {
            _logger = logger;
            _procedureLogic = procedureLogic;
            _medicamentLogic = medicamentLogic;
            _recipeLogic = recipeLogic;
            _symptomLogic = symptomLogic;
            _courseLogic = courseLogic;
        }

        public IActionResult Index()
        {
            return View();
        }

        public IActionResult Privacy()
        {
            return View();
        }

        public IActionResult Recipes()
        {
            List<RecipeViewModel> recipes = _recipeLogic.ReadList(null);
            if (recipes == null)
            {
                recipes = new();
            }
            return View(recipes);
        }

        [HttpGet]
        [HttpPost]
        public IActionResult CreateRecipe(RecipeModel model, int[] selectedProcedures)
        {
            ViewBag.Courses = _courseLogic.ReadList(null);
            if (HttpContext.Request.Method == "GET")
            {
                ViewData["Title"] = "Новый рецепт";
                model = new()
                {
                    Procedures = _procedureLogic.ReadList(null).Select(x => (x, false)).ToList()
                };
                return View("CreateRecipe", model);
            }
            else
            {
                var allProcedures = _procedureLogic.ReadList(null);

                RecipeBindingModel recipe = new RecipeBindingModel
                {
                   ProceduresCount = model.RecipeViewModel.ProceduresCount,
                   Comment = model.RecipeViewModel.Comment,
                   RecipeProcedures = selectedProcedures
                        .ToDictionary(
                            x => x,
                            x => allProcedures.Where(y => y.Id == x) as IProcedureModel
                        )
                };
                _recipeLogic.Create(recipe);
                return RedirectToAction("Recipes");
            }
        }
        [HttpGet]
        [HttpPost]
        public IActionResult EditRecipe(int id, RecipeModel model, int[] selectedProcedures)
        {
            if (HttpContext.Request.Method == "GET")
            {
                var obj = _recipeLogic.ReadElement(new RecipeSearchModel { Id = id });
                model = new()
                {
                    RecipeViewModel = obj,
                    Procedures = _procedureLogic.ReadList(null).Select(x => (x, obj.RecipeProcedures.ContainsKey(x.Id))).ToList()
                };
                ViewData["Title"] = "Редактировать симптом";
                return View("CreateRecipe", model);
            }
            else
            {
                var allProcedures = _procedureLogic.ReadList(null);

                RecipeBindingModel recipe = new RecipeBindingModel
                {
                    Id = id,
                    ProceduresCount = model.RecipeViewModel.ProceduresCount,
                    Comment = model.RecipeViewModel.Comment,
                    RecipeProcedures = selectedProcedures
                        .ToDictionary(
                            x => x,
                            x => allProcedures.Where(y => y.Id == x) as IProcedureModel
                        )
                };
                _recipeLogic.Update(recipe);
                return RedirectToAction("Recipes");
            }
        }
        [HttpPost]
        public IActionResult DeleteRecipe(int id)
        {
            var obj = _recipeLogic.ReadElement(new RecipeSearchModel { Id = id });
            if (obj != null)
            {
                _recipeLogic.Delete(new RecipeBindingModel { Id = obj.Id });
            }
            return RedirectToAction("Recipes");
        }

        public IActionResult Medicaments()
        {
            List<MedicamentViewModel> medicaments = _medicamentLogic.ReadList(null);
            if (medicaments == null)
            {
                medicaments = new();
            }
            return View(medicaments);
        }

        [HttpGet]
        [HttpPost]
        public IActionResult CreateMedicament(MedicamentViewModel model)
        {
            ViewBag.Procedures = _procedureLogic.ReadList(null);
            ViewBag.Symptomes = _symptomLogic.ReadList(null);
            if (HttpContext.Request.Method == "GET")
            {
                ViewData["Title"] = "Новый препарат";
                return View();
            }
            else
            {
                // TODO прописать UserId
                MedicamentBindingModel medicament = new MedicamentBindingModel
                {
                    Name = model.Name,
                    Comment = model.Comment ?? string.Empty,
                    SymptomId = model.SymptomId,
                    ProcedureId = model.ProcedureId,
                };
                _medicamentLogic.Create(medicament);
                return RedirectToAction("Medicaments");
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult EditMedicament(MedicamentViewModel model)
        {
            if (HttpContext.Request.Method == "GET")
            {
                var obj = _medicamentLogic.ReadElement(new MedicamentSearchModel { Id = model.Id });
                ViewData["Title"] = "Редактировать препарат";
                return View("CreateMedicament", obj);
            }
            else
            {
                MedicamentBindingModel medicament = new MedicamentBindingModel
                {
                    Id = model.Id,
                    Name = model.Name,
                    Comment = model.Comment ?? string.Empty,
                    SymptomId = model.SymptomId,
                    ProcedureId = model.ProcedureId,
                };
                _medicamentLogic.Update(medicament);
                return RedirectToAction("Medicaments");
            }
        }

        [HttpPost]
        public IActionResult DeleteMedicament(int id)
        {
            var obj = _medicamentLogic.ReadElement(new MedicamentSearchModel { Id = id });
            if (obj != null)
            {
                _medicamentLogic.Delete(new MedicamentBindingModel { Id = obj.Id });
            }
            return RedirectToAction("Medicaments");
        }


        public IActionResult Procedures()
        {
            List<ProcedureViewModel> procedure = _procedureLogic.ReadList(null);
            if (procedure == null)
            {
                procedure = new();
            }
            return View(procedure);
        }

        [HttpGet]
        [HttpPost]
        public IActionResult CreateProcedure(ProcedureViewModel model)
        {
            if (HttpContext.Request.Method == "GET")
            {
                ViewData["Title"] = "Новая процедура";
                return View();
            }
            else
            {
                // TODO прописать UserId
                ProcedureBindingModel procedure = new ProcedureBindingModel
                {
                    Name = model.Name,
                    Comment = model.Comment ?? string.Empty,
                    DateStartProcedure = model.DateStartProcedure,
                    DateStopProcedure = model.DateStopProcedure
                };
                _procedureLogic.Create(procedure);
                return RedirectToAction("Procedures");
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult EditProcedure(ProcedureViewModel model)
        {
            if (HttpContext.Request.Method == "GET")
            {
                var obj = _procedureLogic.ReadElement(new ProcedureSearchModel { Id = model.Id });
                ViewData["Title"] = "Редактировать процедуру";
                return View("CreateProcedure", obj);
            }
            else
            {
                ProcedureBindingModel procedure = new ProcedureBindingModel
                {
                    Id = model.Id,
                    Name = model.Name,
                    Comment = model.Comment,
                    DateStartProcedure = model.DateStartProcedure,
                    DateStopProcedure = model.DateStopProcedure
                };
                _procedureLogic.Update(procedure);
                return RedirectToAction("Procedures");
            }
        }

        [HttpPost]
        public IActionResult DeleteProcedure(int id)
        {
            var obj = _procedureLogic.ReadElement(new ProcedureSearchModel { Id = id });
            if (obj != null)
            {
                _procedureLogic.Delete(new ProcedureBindingModel { Id = obj.Id });
            }
            return RedirectToAction("Procedures");
        }

        public IActionResult ListCoursesByProcedures()
        {
            return View();
        }

        public IActionResult AddSymptomToMedicament()
        {
            return View();
        }

        [HttpGet]
        [HttpPost]
        public IActionResult ProceduresReport()
        {
            if (HttpContext.Request.Method == "POST")
            {
                ViewData["ShowReport"] = true;
                return View();
            }
            else
            {
                return View();
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Login()
        {
            if (HttpContext.Request.Method == "POST")
            {
                // какие-то действия при нажатии кнопки входа
                return View();
            }
            else
            {
                return View();
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Register()
        {
            if (HttpContext.Request.Method == "POST")
            {
                // какие-то действия при нажатии кнопки
                return View();
            }
            else
            {
                return View();
            }
        }

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