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

namespace SecuritySystemBusinessLogic.BusinessLogics
{
    public class SecureLogic : ISecureLogic
    {
        private readonly ILogger _logger;
        private readonly ISecureStorage _secureStorage;
        public SecureLogic(ILogger<ComponentLogic> logger, ISecureStorage secureStorage)
        {
            _logger = logger;
            _secureStorage = secureStorage;
        }
        public bool Create(SecureBindingModel model)
        {
            CheckModel(model);
            if (_secureStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(SecureBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id:{Id}", model.Id);
            if (_secureStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        public SecureViewModel? ReadElement(SecureSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. SecureName:{SecureName}. Id:{Id}", model.SecureName, model.Id);
            var element = _secureStorage.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<SecureViewModel>? ReadList(SecureSearchModel? model)
        {
            _logger.LogInformation("ReadList. SecureName:{SecureName}. Id:{Id}", model?.SecureName, model?.Id);
            var list = model == null ? _secureStorage.GetFullList() : _secureStorage.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(SecureBindingModel model)
        {
            CheckModel(model);
            if (_secureStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        private void CheckModel(SecureBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.SecureName))
            {
                throw new ArgumentNullException("Нет названия secure", nameof(model.SecureName));
            }
            if (model.Price <= 0)
            {
                throw new ArgumentNullException("Цена secure должна быть больше 0", nameof(model.Price));
            }
            _logger.LogInformation("Secure. SecureName:{SecureName}. Price:{Price}. Id:{Id}", model.SecureName, model.Price, model.Id);
            var element = _secureStorage.GetElement(new SecureSearchModel
            {
                SecureName = model.SecureName
            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Secure с таким названием уже есть");
            }
        }
    }
}