using Microsoft.AspNetCore.Mvc;
using PolyclinicContracts.BindingModels;
using PolyclinicContracts.BusinessLogicsContracts;
using PolyclinicContracts.SearchModels;
using PolyclinicDataModels.Enums;
using PolyclinicDataModels.Models;
using PolyclinicWebAppImplementer.Models;

namespace PolyclinicWebAppImplementer.Controllers
{
    public class UserController : Controller
    {
        private readonly IUserLogic _userLogic;
        public UserController(IUserLogic userLogic)
        {
            _userLogic = userLogic;
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Login(LoginModel model)
        {
            var errors = new List<string>();
            if (HttpContext.Request.Method == "POST")
            {
                var user = _userLogic.ReadElement(new UserSearchModel { Email = model.Email, Password = model.Password });
                if (user == null)
                {
                    errors.Add("Неверные логин или пароль");
                }
                else if (user.Role != UserRole.Исполнитель)
                {
                    errors.Add("Пользователь имеет неразрешенную роль");
                }
                if (errors.Count > 0)
                {
                    model = new LoginModel
                    {
                        Errors = errors
                    };
                    return View(model);
                }
                LoginManager.LogginedUser = user;
                return RedirectToAction("", "Home");
            }
            else
            {
                model = new();
                return View(model);
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Register(RegisterModel model)
        {
            var errors = new List<string>();
            if (HttpContext.Request.Method == "POST")
            {
                if (_userLogic.ReadElement(new UserSearchModel { Email = model.Email }) != null)
                {
                    errors.Add("Пользователь с таким Email уже есть");
                }
                if (model.Password != model.ConfirmPassword)
                {
                    errors.Add("Пароли не совпадают");
                }
                if (errors.Count > 0)
                {
                    model.Errors = errors;
                    model.Password = string.Empty;
                    model.ConfirmPassword = string.Empty;
                    return View(model);
                }
                var user = new UserBindingModel
                {
                    FIO = model.FIO,
                    Email = model.Email,
                    Password = model.Password,
                    Role = UserRole.Исполнитель
                };
                _userLogic.Create(user);
                return RedirectToAction("Login");
            }
            else
            {
                return View(model);
            }
        }

        [HttpPost]
        public IActionResult Logout()
        {
            LoginManager.LogginedUser = null;
            return RedirectToAction("Login");
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Privacy()
        {
            if (LoginManager.LogginedUser == null)
            {
                return RedirectToAction("Login");
            }
            return View();
        }
    }
}