using LawCompanyContracts.BindingModels;
using LawCompanyContracts.BusinessLogicContracts;
using LawCompanyContracts.SearchModels;
using LawCompanyContracts.StoragesContracts;
using LawCompanyContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace LawCompanyBusinessLogic.BusinessLogics
{
	public class ClientLogic : IClientLogic
	{
		private readonly ILogger _logger;
		private readonly IClientStorage _clientStorage;

		public ClientLogic(ILogger<ClientLogic> logger, IClientStorage ClientStorage)
		{
			_logger = logger;
			_clientStorage = ClientStorage;
		}

		public bool Create(ClientBindingModel model)
		{
			CheckModel(model);
			if (_clientStorage.Insert(model) == null)
			{
				_logger.LogWarning("Insert operation failed");
				return false;
			}
			return true;
		}

		public bool Delete(ClientBindingModel model)
		{
			CheckModel(model, false);
			_logger.LogInformation("Delete. Id:{Id}", model.Id);
			if (_clientStorage.Delete(model) == null)
			{
				_logger.LogWarning("Delete operation failed");
				return false;
			}
			return true;
		}

		public List<ClientViewModel>? ReadCaseElementList(CaseSearchModel? model)
		{
			if (model == null)
			{
				return null;
			}
			var list = _clientStorage.GetClientCaseList(model);
			if (list == null)
			{
				_logger.LogWarning("ReadList return null list");
				return null;
			}
			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
			return list;
		}

		public List<ClientViewModel>? ReadVisitElementList(VisitSearchModel? model)
		{
			if (model == null)
			{
				return null;
			}
			var list = _clientStorage.GetClientVisitList(model);
			if (list == null)
			{
				_logger.LogWarning("ReadList return null list");
				return null;
			}
			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
			return list;
		}

		public ClientViewModel? ReadElement(ClientSearchModel model)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}
			_logger.LogInformation("ReadElement. ClientName:{FIO}. Id:{Id}", model.FIO, model.Id);
			var element = _clientStorage.GetElement(model);
			if (element == null)
			{
				_logger.LogWarning("ReadElement element not found");
				return null;
			}
			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
			return element;
		}

		public List<ClientViewModel>? ReadList(ClientSearchModel? model)
		{
			_logger.LogInformation("ReadList. ClientName:{ClientName}.Id:{Id}", model?.FIO, model?.Id);
			var list = model == null ? _clientStorage.GetFullList() : _clientStorage.GetFilteredList(model);
			if (list == null)
			{
				_logger.LogWarning("ReadList return null list");
				return null;
			}
			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
			return list;
		}

		public bool Update(ClientBindingModel model)
		{
			CheckModel(model);
			if (_clientStorage.Update(model) == null)
			{
				_logger.LogWarning("Update operation failed");
				return false;
			}
			return true;
		}
		private void CheckModel(ClientBindingModel model, bool withParams = true)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}
			if (!withParams)
			{
				return;
			}
			if (string.IsNullOrEmpty(model.FIO))
			{
				throw new ArgumentNullException("Нет имени клиента", nameof(model.FIO));
			}
			if (string.IsNullOrEmpty(model.Email))
			{
				throw new ArgumentNullException("Нет e-mail клиента", nameof(model.Email));
			}
			if (string.IsNullOrEmpty(model.Phone))
			{
				throw new ArgumentNullException("Нет телефона клиента", nameof(model.Phone));
			}

			_logger.LogInformation("Client. ClientName:{FIO}. E-mail:{Email}. Phone: {Phone} Id: {Id} ", model.FIO, model.Email, model.Phone, model.Id);
			var element = _clientStorage.GetElement(new ClientSearchModel
			{
				FIO = model.FIO,
				Phone = model.Phone,
				Email = model.Email,
				ExecutorId = model.ExecutorId,

			});
			if (element != null && element.Id != model.Id)
			{
				throw new InvalidOperationException("Клиент с такими данными уже есть");
			}
		}
	}
}