using HospitalContracts.BindingModels;
using HospitalContracts.ViewModels;
using HospitalDataModels.Models;
using Microsoft.AspNetCore.Mvc;
using System.Numerics;

namespace HospitalWebApp.Controllers
{
	/// <summary>
	/// Контроллер для сущности "Рецепт"
	/// </summary>
	public class RecipeController : Controller
	{
		/// <summary>
		/// Логгер
		/// </summary>
		private readonly ILogger<RecipeController> _logger;

		/// <summary>
		/// Конструктор
		/// </summary>
		/// <param name="logger"></param>
		public RecipeController(ILogger<RecipeController> logger)
		{
			_logger = logger;
		}

		/// <summary>
		/// Вывести список рецептов
		/// </summary>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Recipes()
		{
			if (APIClient.Doctor == null)
			{
				return Redirect("~/Home/Enter");
			}

			return View(APIClient.GetRequest<List<RecipeViewModel>>($"api/recipe/getrecipes?doctorId={APIClient.Doctor.Id}"));
		}

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

			ViewBag.Medicines = APIClient.GetRequest<List<MedicineViewModel>>("api/medicine/getmedicines");
			return View();
		}

		/// <summary>
		/// Создать рецепт
		/// </summary>
		/// <param name="issuedate"></param>
		/// <param name="medicines"></param>
		/// <exception cref="Exception"></exception>
		[HttpPost]
		public void CreateRecipe(DateTime issuedate, List<int> medicines)
		{
			if (APIClient.Doctor == null)
			{
				throw new Exception("Необходимо авторизоваться!");
			}

			if (issuedate == DateTime.MinValue || medicines == null)
			{
				throw new Exception("Введены не все данные!");
			}

			Dictionary<int, IMedicineModel> recipeMedicines = new Dictionary<int, IMedicineModel>();
			foreach (var medicineId in medicines)
			{
				recipeMedicines.Add(medicineId, APIClient.GetRequest<MedicineViewModel>($"api/medicine/getmedicine?id={medicineId}"));
			}

			APIClient.PostRequest("api/recipe/createrecipe", new RecipeBindingModel
			{
				IssueDate = issuedate,
				DoctorId = APIClient.Doctor.Id,
				RecipeMedicines = recipeMedicines
			});

			Response.Redirect("Recipes");
		}

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

			ViewBag.Medicines = APIClient.GetRequest<List<MedicineViewModel>>("api/medicine/getmedicines");
			return View(APIClient.GetRequest<PatientViewModel>($"api/patient/getpatient?id={id}"));
		}

		/// <summary>
		/// Редактировать рецепт
		/// </summary>
		/// <param name="id"></param>
		/// <param name="issuedate"></param>
		/// <param name="medicines"></param>
		/// <exception cref="Exception"></exception>
		[HttpPost]
		public void UpdateRecipe(int id, DateTime issuedate, List<int> medicines)
		{
			if (APIClient.Doctor == null)
			{
				throw new Exception("Необходимо авторизоваться!");
			}

			if (issuedate == DateTime.MinValue || medicines == null)
			{
				throw new Exception("Введены не все данные!");
			}

			Dictionary<int, IMedicineModel> recipeMedicines = new Dictionary<int, IMedicineModel>();
			foreach (var medicineId in medicines)
			{
				recipeMedicines.Add(medicineId, APIClient.GetRequest<MedicineViewModel>($"api/medicine/getmedicine?id={medicineId}"));
			}

			APIClient.PostRequest("api/recipe/updaterecipe", new RecipeBindingModel
			{
				Id = id,
				IssueDate = issuedate,
				DoctorId = APIClient.Doctor.Id,
				RecipeMedicines = recipeMedicines
			});

			Response.Redirect("Recipes");
		}

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

			APIClient.PostRequest($"api/recipe/deleterecipe", new RecipeBindingModel
			{
				Id = id
			});

			Response.Redirect("Recipes");
		}
	}
}