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

namespace LawCompanyBusinessLogic.BusinessLogics
{
	public class HearingLogic : IHearingLogic
	{
		private readonly ILogger _logger;
		private readonly IHearingStorage _hearingStorage;

		public HearingLogic(ILogger<HearingLogic> logger, IHearingStorage hearingStorage)
		{
			_logger = logger;
			_hearingStorage = hearingStorage;
		}

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

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

		public HearingViewModel? ReadElement(HearingSearchModel model)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}
			_logger.LogInformation("ReadElement. HearingDate:{HearingDate}. Id:{Id}", model.HearingDate, model.Id);
			var element = _hearingStorage.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<HearingViewModel>? ReadList(HearingSearchModel? model)
		{
			_logger.LogInformation("ReadList. HearingDate:{HearingDate}.Id:{Id}", model?.HearingDate, model?.Id);
			var list = model == null ? _hearingStorage.GetFullList() : _hearingStorage.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(HearingBindingModel model)
		{
			CheckModel(model);
			if (_hearingStorage.Update(model) == null)
			{
				_logger.LogWarning("Update operation failed");
				return false;
			}
			return true;
		}
		public bool AddLawyerToHearing(HearingSearchModel model, ILawyerModel lawyer)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}

			var element = _hearingStorage.GetElement(model);

			if (element == null)
			{
				return false;
			}
			element.HearingLawyers[lawyer.Id] = lawyer;

			_hearingStorage.Update(new()
			{
				Id = element.Id,
				HearingDate = element.HearingDate,
				Judge = element.Judge,
				HearingLawyers = element.HearingLawyers,
				GuarantorId = element.GuarantorId,
			});

			return true;
		}
		private void CheckModel(HearingBindingModel model, bool withParams = true)
		{
			if (model == null)
			{
				throw new ArgumentNullException(nameof(model));
			}
			if (!withParams)
			{
				return;
			}
			if (string.IsNullOrEmpty((model.HearingDate).ToString()))
			{
				throw new ArgumentNullException("Не поставлено время", nameof(model.HearingDate));
			}
			_logger.LogInformation("Hearing. HearingDate:{HearingDate}. Id: {Id}  ", model.HearingDate, model.Id);
			var element = _hearingStorage.GetElement(new HearingSearchModel
			{
				HearingDate = model.HearingDate

			});

			if (element != null && element.Id != model.Id)
			{
				throw new InvalidOperationException("На данное время уже назначено слушание");
			}
		}
	}
}