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

namespace DeviceBusinessLogic.BusinessLogics
{
    public class CabinetLogic : ICabinetLogic
    {
        private readonly ILogger _logger;
        private readonly ICabinetStorage _cabinetStorage;
        public CabinetLogic(ILogger<CabinetLogic> logger,
            ICabinetStorage cabinetStorage)
        {
            _logger = logger;
            _cabinetStorage = cabinetStorage;
        }
        public bool Create(CabinetBindingModel model)
        {
            CheckModel(model);
            if (_cabinetStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(CabinetBindingModel model)
        {
            CheckModel(model);
            if (_cabinetStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(CabinetBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id: {Id}", model.Id);
            if (_cabinetStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        public List<CabinetViewModel>? ReadList(CabinetSearchModel? model)
        {
            _logger.LogInformation(
                "ReadList. Id: {Id}, Room: {Room}, Building: " +
                "{Building}.", model?.Id, model?.Room, model?.Building);
            var list = model == null ? _cabinetStorage.GetFullList() :
                _cabinetStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
            return list;
        }
        public CabinetViewModel? ReadElement(CabinetSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation(
                "ReadElemnt. Id: {Id}, Room: {Room}, Building: " +
                "{Building}.", model?.Id, model?.Room, model?.Building);
            var element = _cabinetStorage.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(CabinetBindingModel 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.Room))
            {
                throw new ArgumentNullException(
                    "Отсутствует номер/название кабинета",
                    nameof(model.Room));
            }
            if (model.Building < 1)
            {
                throw new ArgumentNullException(
                    "Номер корпуса должен быть больше 0",
                    nameof(model.Id));
            }
            _logger.LogInformation(
                "Id: {Id}, Room: {Room}, Building: " +
                "{Building}.", model?.Id, model?.Room, model?.Building);
            var elementByRoom = _cabinetStorage.GetElement(
                new CabinetSearchModel
                {
                    Room = model.Room,
                });
            var elementByBuilding = _cabinetStorage.GetElement(
                new CabinetSearchModel
                {
                    Building = model.Building,
                });
        }
    }
}