using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using VeterinaryClinicContracts.BindingModels;
using VeterinaryClinicContracts.BusinessLogicsContracts;
using VeterinaryClinicContracts.SearchModels;
using VeterinaryClinicDataModels.Enums;
using VeterinaryClinicWebApp.Models;

namespace VeterinaryClinicWebApp.Controllers;

public class HomeController : Controller
{
    private readonly ILogger<HomeController> _logger;

    private readonly IUserLogic _userLogic;

    public HomeController(ILogger<HomeController> logger, IUserLogic userLogic)
    {
        _logger = logger;
        _userLogic = userLogic;
    }

	/// <summary>
	/// Домашняя страница
	/// </summary>
	[HttpGet]
	public IActionResult Index()
    {
		if (APIClient.User == null)
		{
			return Redirect("~/Home/Enter");
		}

		return View(APIClient.User);
	}

	/// <summary>
	/// Личные данные пользователя
	/// </summary>
	[HttpGet]
	public IActionResult Privacy()
    {
		if (APIClient.User == null)
		{
			return Redirect("~/Home/Enter");
		}

		return View(APIClient.User);
	}

	[HttpPost]
	public void Privacy(string fullname, UserRole role, string phone, string email, string password) {
		if (APIClient.User == null)
		{
			throw new Exception("Необходимо авторизоваться!");
		}

		if (string.IsNullOrEmpty(fullname) || string.IsNullOrEmpty(phone) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
		{
			throw new Exception("Введены не все данные!");
		}

		_userLogic.Update(new UserBindingModel
		{
			Id = APIClient.User.Id,
			FullName = fullname,
			Role = role,
			Phone = phone,
			Email = email,
			Password = password
		});

		APIClient.User.FullName = fullname;
		APIClient.User.Role = role;
		APIClient.User.Phone = phone;
		APIClient.User.Email = email;
		APIClient.User.Password = password;

		Response.Redirect("Privacy");
	}

	/// <summary>
	/// Аутентификация
	/// </summary>
	[HttpGet]
	public IActionResult Enter()
    {
		if (APIClient.User != null)
		{
			throw new Exception("Вы уже авторизовались!");
		}

		return View();
	}

	[HttpPost]
	public void Enter(string email, string password)
	{
		if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
		{
			throw new Exception("Введены не все данные!");
		}

		APIClient.User = _userLogic.ReadElement(new UserSearchModel
		{
			Email = email,
			Password = password
		});
		if (APIClient.User == null)
		{
			throw new Exception("Неверный логин/пароль");
		}

		Response.Redirect("Index");
	}

	/// <summary>
	/// Регистрация
	/// </summary>
	[HttpGet]
	public IActionResult Register()
	{
		if (APIClient.User != null)
		{
			throw new Exception("Вы уже зарегистрировались!");
		}

		return View();
	}

	[HttpPost]
	public void Register(string fullname, UserRole role, string phone, string email, string password)
	{
		if (string.IsNullOrEmpty(fullname) || string.IsNullOrEmpty(phone) || string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password)) 
		{
			throw new Exception("Введены не все данные!");
		}

		_userLogic.Create(new UserBindingModel 
		{ 
			FullName = fullname,
			Role = role,
			Phone = phone,
			Email = email, 
			Password = password 
		});

		Response.Redirect("Enter");
	}

	/// <summary>
	/// Выйти из аккаунта
	/// </summary>

	/// <summary>
	/// Получить отчет
	/// </summary>

	/// <summary>
	/// Создать отчёт в формате Word
	/// </summary>

	/// <summary>
	/// Создать отчёт в формате Excel
	/// </summary>

	/// <summary>
	/// Создать отчёт в формате Pdf
	/// </summary>

	/// <summary>
	/// Отправить по почте отчёт
	/// </summary>

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