using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CarCenterContracts.BindingModels;
using CarCenterContracts.BusinessLogicsContracts;
using CarCenterContracts.SearchModels;
using CarCenterContracts.StoragesContracts;
using CarCenterContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace CarCenterBusinessLogic.BusinessLogics
{
    public class ConfigurationLogic : IConfigurationLogic
    {
        private readonly ILogger _logger;
        private readonly IConfigurationStorage _ConfigurationStorage;
        public ConfigurationLogic(ILogger<ConfigurationLogic> logger, IConfigurationStorage ConfigurationStorage)
        {
            _logger = logger;
            _ConfigurationStorage = ConfigurationStorage;
        }
        public List<ConfigurationViewModel>? ReadList(ConfigurationSearchModel? model)
        {
            _logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
            var list = model == null ? _ConfigurationStorage.GetFullList() : _ConfigurationStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }
        public ConfigurationViewModel? ReadElement(ConfigurationSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
            var element = _ConfigurationStorage.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(ConfigurationBindingModel model)
        {
            CheckModel(model);
            if (_ConfigurationStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(ConfigurationBindingModel model)
        {
            CheckModel(model);
            if (_ConfigurationStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(ConfigurationBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id:{Id}", model.Id);
            if (_ConfigurationStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        private void CheckModel(ConfigurationBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.Name))
            {
                throw new ArgumentNullException("Нет названия комплектации!", nameof(model.Name));
            }
            if (model.BossId < 0)
            {
                throw new InvalidOperationException("Id начальника меньше нуля!");
            }
            _logger.LogInformation("Configuration. Name:{ Name}. BossId: { BossId}. Id: { Id}", model.Name, model.BossId, model.Id);
        }
    }
}