using Microsoft.AspNetCore.Mvc;
using PolyclinicContracts.BindingModels;
using PolyclinicContracts.BusinessLogicsContracts;
using PolyclinicContracts.SearchModels;
using PolyclinicContracts.ViewModels;
using PolyclinicWebAppImplementer.Models;
using System.Net;

namespace PolyclinicWebAppImplementer.Controllers
{
    public class DiagnosesController : Controller
    {
        private readonly ILogger<DiagnosesController> _logger;
        private readonly IDiagnoseLogic _diagnoseLogic;

        public DiagnosesController(ILogger<DiagnosesController> logger, IDiagnoseLogic diagnoseLogic)
        {
            _logger = logger;
            _diagnoseLogic = diagnoseLogic;
        }

        [HttpGet]
        public IActionResult Index()
        {
            var currentUser = LoginManager.LogginedUser;
            if (currentUser == null)
            {
                return RedirectToAction("Login", "User");
            }
            List<DiagnoseViewModel> diagnoses = _diagnoseLogic.ReadList(new DiagnoseSearchModel { UserId = currentUser.Id });
            ViewData["Title"] = "Список диагнозов";
            return View("DiagnosesList", diagnoses);
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Add(DiagnoseViewModel model)
        {
            var currentUser = LoginManager.LogginedUser;
            if (currentUser == null)
            {
                return RedirectToAction("Login", "User");
            }
            if (HttpContext.Request.Method == "GET")
            {
                ViewData["Title"] = "Новый диагноз";
                return View("DiagnoseForm");
            }
            else
            {
                DiagnoseBindingModel diagnose = new DiagnoseBindingModel
                {
                    UserId = currentUser.Id,
                    Name = model.Name,
                    Comment = model.Comment,
                    DateStartDiagnose = model.DateStartDiagnose,
                    DateStopDiagnose = model.DateStopDiagnose,
                };
                _diagnoseLogic.Create(diagnose);
                return RedirectToAction("Index");
            }
        }

        [HttpGet]
        [HttpPost]
        public IActionResult Edit(int id, DiagnoseViewModel model)
        {
            var currentUser = LoginManager.LogginedUser;
            if (currentUser == null)
            {
                return RedirectToAction("Login", "User");
            }
            var obj = _diagnoseLogic.ReadElement(new DiagnoseSearchModel { Id = id });
            if (obj.UserId != currentUser.Id)
            {
                return StatusCode(403, "Нельзя редактировать чужой диагноз");
            }
            if (HttpContext.Request.Method == "GET")
            {
                ViewData["Title"] = "Редактировать диагноз";
                return View("DiagnoseForm", obj);
            }
            else
            {
                DiagnoseBindingModel diagnose = new DiagnoseBindingModel
                {
                    Id = model.Id,
                    Name = model.Name,
                    Comment = model.Comment,
                    DateStartDiagnose = model.DateStartDiagnose,
                    DateStopDiagnose = model.DateStopDiagnose,
                };
                _diagnoseLogic.Update(diagnose);
                return RedirectToAction("Index");
            }
        }

        [HttpPost]
        public IActionResult Delete(int id)
        {
            var currentUser = LoginManager.LogginedUser;
            if (currentUser == null)
            {
                return RedirectToAction("Login", "User");
            }
            var obj = _diagnoseLogic.ReadElement(new DiagnoseSearchModel { Id = id });
            if (obj.UserId != currentUser.Id)
            {
                return StatusCode(403, "Нельзя удалить чужой диагноз");
            }
            if (obj != null)
            {
                _diagnoseLogic.Delete(new DiagnoseBindingModel { Id = obj.Id });
            }
            return RedirectToAction("Index");
        }
    }
}