using BeautySalonContracts.BindingModels;
using BeautySalonContracts.BusinessLogicsContracts;
using BeautySalonContracts.SearchModels;
using BeautySalonContracts.StoragesContracts;
using BeautySalonContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace BeautySalonBusinessLogic.BusinessLogics
{
    public class MasterLogic : IMasterLogic
    {
        private readonly ILogger _logger;
        private readonly IMasterStorage _masterStorage;
        public MasterLogic(ILogger<MasterLogic> logger, IMasterStorage masterStorage)
        {
            _logger = logger;
            _masterStorage = masterStorage;
        }
        public List<MasterViewModel>? ReadList(MasterSearchModel? model)
        {
            _logger.LogInformation("ReadList. MasterFIO:{MasterFIO}. Id:{ Id}", model?.MasterFIO, model?.Id);
            var list = model == null ? _masterStorage.GetFullList() : _masterStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }
        public MasterViewModel? ReadElement(MasterSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. MasterFIO:{MasterFIO}. Id:{ Id}", model.MasterFIO, model.Id);
            var element = _masterStorage.GetElement(model);
            if (element == null)
            {
                _logger.LogWarning("ReadElement element not found");
                return null;
            }
            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
            return element;
        }
        public bool Create(MasterBindingModel model)
        {
            CheckModel(model);
            if (_masterStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(MasterBindingModel model)
        {
            CheckModel(model);
            if (_masterStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(MasterBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id:{Id}", model.Id);
            if (_masterStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        private void CheckModel(MasterBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.MasterFIO))
            {
                throw new ArgumentNullException("Нет ФИО мастера", nameof(model.MasterFIO));
            }
            if (string.IsNullOrEmpty(model.Specialization))
            {
                throw new ArgumentNullException("Нет специализации мастера", nameof(model.MasterFIO));
            }
            _logger.LogInformation("Master. MasterFIO:{MasterFIO}. Specialization:{ Specialization}. Id: { Id} ", model.MasterFIO, model.Specialization, model.Id);
            var element = _masterStorage.GetElement(new MasterSearchModel
            {
                MasterFIO = model.MasterFIO
            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Мастер с таким ФИО уже есть");
            }
        }
    }
}