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

namespace VeterinaryClinicWebApp.Controllers
{
	public class MedicationController : Controller
	{
		private readonly ILogger<MedicationController> _logger;

		private readonly IMedicationLogic _medicationLogic;
		public MedicationController(ILogger<MedicationController> logger, IMedicationLogic medicationLogic)
		{
			_logger = logger;
			_medicationLogic = medicationLogic;
		}

		/// <summary>
		/// Вывести список лекарств
		/// </summary>
		public IActionResult Medications()
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}

			return View(_medicationLogic.ReadList(null));
		}

		/// <summary>
		/// Создать лекарство
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult CreateMedication()
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}

			return View();
		}

		[HttpPost]
		public void CreateMedication(string name, string description)
		{
			if (APIClient.User == null)
			{
				throw new Exception("Необходимо авторизоваться!");
			}

			if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(description))
			{
				throw new Exception("Введены не все данные!");
			}

			_medicationLogic.Create(new MedicationBindingModel
			{
				Name = name,
				Description = description
			});

			Response.Redirect("/Medication/Medications");
		}

		/// <summary>
		/// Редактировать лекарство
		/// </summary>
		[HttpGet]
		public IActionResult UpdateMedication(int id)
		{
			if (APIClient.User == null)
			{
				return Redirect("~/Home/Enter");
			}

			return View(_medicationLogic.ReadElement(new MedicationSearchModel
			{
				Id = id
			}));
		}

		[HttpPost]
		public void UpdateMedication(int id, string name, string description)
		{
			if (APIClient.User == null)
			{
				throw new Exception("Необходимо авторизоваться!");
			}

			if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(description))
			{
				throw new Exception("Введены не все данные!");
			}

			_medicationLogic.Update(new MedicationBindingModel
			{
				Id = id,
				Name = name,
				Description = description
			});

			Response.Redirect("/Medication/Medications");
		}

        /// <summary>
        /// Удалить лекарство
        /// </summary>
        [HttpPost]
        public void DeleteMedication(int id)
        {
            if (APIClient.User == null)
            {
                throw new Exception("Необходимо авторизоваться!");
            }

            _medicationLogic.Delete(new MedicationBindingModel
            {
                Id = id
            });

            Response.Redirect("/Medication/Medications");
        }
    }
}