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

namespace BankBusinessLogic.BusinessLogics
{
    public class DepositLogic : IDepositLogic
    {
        private readonly ILogger _logger;
        private readonly IDepositStorage _depositStorage;
        public DepositLogic(ILogger<DepositLogic> logger, 
            IDepositStorage depositStorage)
        {
            _logger = logger;
            _depositStorage = depositStorage;
        }
        public bool Create(DepositBindingModel model)
        {
            CheckModel(model);
            if (_depositStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(DepositBindingModel model)
        {
            CheckModel(model);
            if (_depositStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(DepositBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id: {Id}", model.Id);
            if (_depositStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }
        public List<DepositViewModel>? ReadList(DepositSearchModel? model)
        {
            _logger.LogInformation("ReadList. Id: {Id}", model?.Id);
            var list = model == null ? _depositStorage.GetFullList() :
                _depositStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
            return list;
        }
        public DepositViewModel? ReadElement(DepositSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. Id: {Id}", model.Id);
            var element = _depositStorage.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(DepositBindingModel model,
            bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (model.WorkerId <= 0)
            {
                throw new ArgumentNullException(
                    "Идентификатор работника должен быть больше 0",
                    nameof(model.WorkerId));
            }
            if (model.Sum <= 0)
            {
                throw new ArgumentNullException(
                    "Сумма должна быть больше 0",
                    nameof(model.Sum));
            }
            _logger.LogInformation("Deposit. Id: {Id}. WorkerId: {WorkerId}." +
                "Sum: {Sum}. OpeningDate: {OpeningDate}.",
                model.Id, model.WorkerId, model.Sum, model.OpeningDate);
        }
    }
}