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

namespace TransportCompanyBusinessLogic.BusinessLogics
{
    public class DriverLogic : IDriverLogic
    {
        private readonly ILogger _logger;
        private readonly IDriverStorage _driverStorage;

        public DriverLogic(ILogger<DriverLogic> logger, IDriverStorage driverStorage) 
        {
            _logger = logger;
            _driverStorage = driverStorage;
        }

        public List<DriverViewModel>? ReadList(DriverSearchModel? model)
        {
            _logger.LogInformation("ReadList. DriverFio:{DriverFio}.Id:{ Id}", model?.DriverFio, model?.Id);
            var list = model == null ? _driverStorage.GetFullList() : _driverStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }

        public DriverViewModel? ReadElement(DriverSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. DriverFio:{DriverFio}.Id:{ Id}", model.DriverFio, model.Id);
            var element = _driverStorage.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(DriverBindingModel model)
        {
            CheckModel(model);
            if (_driverStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }

        public bool Update(DriverBindingModel model)
        {
            CheckModel(model);
            if (_driverStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }

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

        private void CheckModel(DriverBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.DriverFio))
            {
                throw new ArgumentNullException("Нет ФИО водителя", nameof(model.DriverFio));
            }
            if (string.IsNullOrEmpty(model.PhoneNumber))
            {
                throw new ArgumentNullException("Нет номера телефона водителя", nameof(model.PhoneNumber));
            }
            _logger.LogInformation("Driver. DriverFio:{DriverFio}.PhoneNumber:{ PhoneNumber}.Id: { Id}", model.DriverFio, model.PhoneNumber, model.Id);
            var element = _driverStorage.GetElement(new DriverSearchModel
            {
                PhoneNumber = model.PhoneNumber
            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Водитель с таким номером телефона уже есть");
            }
        }
    }
}