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

namespace DeviceBusinessLogic.BusinessLogics
{
    public class KindLogic : IKindLogic
    {
        private readonly ILogger _logger;
        private readonly IKindStorage _kindStorage;
        public KindLogic(ILogger<KindLogic> logger,
            IKindStorage kindStorage)
        {
            _logger = logger;
            _kindStorage = kindStorage;
        }
        public bool Create(KindBindingModel model)
        {
            CheckModel(model);
            if (_kindStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(KindBindingModel model)
        {
            CheckModel(model);
            if (_kindStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(KindBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id: {Id}", model.Id);
            if (_kindStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        public List<KindViewModel>? ReadList(KindSearchModel? model)
        {
            _logger.LogInformation(
                "ReadList. Id: {Id}, Title: {Title}, Frequency: " +
                "{Frequency}.", model?.Id, model?.Title, model?.Frequency);
            var list = model == null ? _kindStorage.GetFullList() :
                _kindStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
            return list;
        }
        public KindViewModel? ReadElement(KindSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation(
                "ReadElement. Id: {Id}, Title: {Title}, Frequency: " +
                "{Frequency}.", model?.Id, model?.Title, model?.Frequency);
            var element = _kindStorage.GetElement(model);
            if (element == null)
            {
                _logger.LogWarning("ReadElement element not found");
                return null;
            }
            _logger.LogInformation("ReadElement find. Id: {Id}",
                element.Id);
            return element;
        }
        private void CheckModel(KindBindingModel model,
            bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (model.Id <= 0)
            {
                throw new ArgumentNullException(
                    "Идентификатор должен быть больше 0",
                    nameof(model.Id));
            }
            if (string.IsNullOrEmpty(model.Title))
            {
                throw new ArgumentNullException(
                    "Отсутствует название вида устройства",
                    nameof(model.Title));
            }
            if (string.IsNullOrEmpty(model.Title))
            {
                throw new ArgumentNullException(
                    "Отсутствует название вида устройства",
                    nameof(model.Title));
            }
            if (model.Frequency > 0)
            {
                throw new ArgumentNullException(
                    "Частота обслуживания должна быть больше 0 месяцев",
                    nameof(model.Frequency));
            }
            _logger.LogInformation(
                "Id: {Id}, Title: {Title}, Frequency: " +
                "{Frequency}.", model?.Id, model?.Title, model?.Frequency);
            var elementByTitle = _kindStorage.GetElement(
                new KindSearchModel
                {
                    Title = model.Title,
                });
            var elementByFrequency = _kindStorage.GetElement(
                new KindSearchModel
                {
                    Frequency = model.Frequency,
                });
        }
    }
}