using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;
using UniversityContracts.BindingModels;
using UniversityContracts.ViewModels;
using UniversityCustomer;
using UniversityModels.Enums;
using UniversityCustomer.Models;

namespace UniversityProvider.Controllers
{
    public class HomeController : Controller
    {
        public HomeController() { }

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

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

        [HttpPost]
        public void Login(string login, string password)
        {
            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
            {
                throw new Exception("Введите логин и пароль");
            }
            APIClient.User = APIClient.GetRequest<UserViewModel>($"api/user/login?login={login}&password={password}&role={Role.Customer}");
            if (APIClient.User == null)
            {
                throw new Exception("Неверный логин/пароль");
            }
            Response.Redirect("Index");
        }

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

        [HttpPost]
        public void Registration(string login, string password)
        {
            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
            {
                throw new Exception("Введите логин и пароль");
            }
            APIClient.PostRequest("api/user/register", new UserBindingModel
            {
                Login = login,
                Password = password,
                Role = Role.Customer
            });
            Response.Redirect("Login");
            return;
        }

		public IActionResult Streams(int page)
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}
			if (page == 0)
			{
				page = 1;
			}
			ViewBag.Streams = APIClient.GetRequest<List<StreamViewModel>>
				($"api/stream/getmany?userId={APIClient.User.Id}&page={page}");
			ViewBag.Page = page;
			ViewBag.NumberOfPages = APIClient.GetRequest<int>
				($"api/stream/getnumberofpages?userId={APIClient.User.Id}");
			return View();
		}
        public List<EducationStatusViewModel> Status()
        {
            return APIClient.GetRequest<List<EducationStatusViewModel>>
                ($"api/educationstatus/getall");
        }
        public IActionResult EducationGroups(int page)
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}
			if (page == 0)
			{
				page = 1;
			}
			ViewBag.EducationGroups = APIClient.GetRequest<List<EducationGroupViewModel>>
				($"api/educationgroup/getmany?userId={APIClient.User.Id}&page={page}");
			ViewBag.Page = page;
			ViewBag.NumberOfPages = APIClient.GetRequest<int>
				($"api/educationgroup/getnumberofpages?userId={APIClient.User.Id}");
			return View();
		}

		public IActionResult Disciplines(int page)
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}
			if (page == 0)
			{
				page = 1;
			}
			ViewBag.Disciplines = APIClient.GetRequest<List<DisciplineViewModel>>
				($"api/discipline/getmany?userId={APIClient.User.Id}&page={page}");
			ViewBag.Page = page;
			ViewBag.NumberOfPages = APIClient.GetRequest<int>
				($"api/discipline/getnumberofpages?userId={APIClient.User.Id}");
			return View();
		}
        public IActionResult StreamStudentList()
        {
            return View();
        }

        [HttpPost]
        public int[]? StreamStudentList([FromBody] StreamStudentBindingModel listModel)
        {
            if (APIClient.User == null)
            {
                return Array.Empty<int>();
            }
            byte[]? file = APIClient.PostRequestWithResult<StreamStudentBindingModel, byte[]>
                ("api/reportcustomer/streamstudentlist", listModel);
            return file!.Select(b => (int)b).ToArray();
        }

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

        [HttpPost]
        public List<ReportStreamStudentEdStatPeriodViewModel>? GetReport([FromBody] ReportBindingModel reportModel)
        {
            if (APIClient.User == null)
            {
                return new();
            }
            reportModel.UserId = APIClient.User.Id;
            reportModel.UserEmail = APIClient.User.Login;
            List<ReportStreamStudentEdStatPeriodViewModel>? list = APIClient.PostRequestWithResult<ReportBindingModel, List<ReportStreamStudentEdStatPeriodViewModel>>
                ("api/reportprovider/getreportdata", reportModel);
            return list;
        }

        [HttpPost]
        public void SendByMailStatusReport([FromBody] ReportBindingModel reportModel)
        {
            if (APIClient.User == null)
            {
                return;
            }
            reportModel.UserId = APIClient.User.Id;
            reportModel.UserEmail = APIClient.User.Login;
            APIClient.PostRequest("api/reportprovider/sendbymailstatusreport", reportModel);
        }



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