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


namespace CarCenterBusinessLogic.BusinessLogics
{
    public class ReceiptLogic : IReceiptLogic
    {
        private readonly ILogger _logger;
        private readonly IReceiptStorage _ReceiptStorage;
        public ReceiptLogic(ILogger<ReceiptLogic> logger, IReceiptStorage ReceiptStorage)
        {
            _logger = logger;
            _ReceiptStorage = ReceiptStorage;
        }
        public ReceiptViewModel? ReadElement(ReceiptSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
            var element = _ReceiptStorage.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<ReceiptViewModel>? ReadList(ReceiptSearchModel? model)
        {
            _logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
            var list = model == null ? _ReceiptStorage.GetFullList() : _ReceiptStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }
        public bool Create(ReceiptBindingModel model)
        {
            CheckModel(model);
            if (_ReceiptStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }

        public bool Delete(ReceiptBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id:{Id}", model.Id);
            if (_ReceiptStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }

        public bool Update(ReceiptBindingModel model)
        {
            CheckModel(model);
            if (_ReceiptStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }

        private void CheckModel(ReceiptBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (model.BossId < 0)
            {
                throw new InvalidOperationException("Id начальника меньше нуля!");
            }
            if(model.ConfigurationId < 0)
            {
                throw new InvalidOperationException("Id комплектации меньше нуля!");
            }
            if (model.Sum < 0) {
                throw new InvalidOperationException("Сумма поступления неверная!");
            }
            _logger.LogInformation("Id: {Id}. Sum:{ Sum}. BossId: { BossId}. ConfigurationId: {ConfigurationId}.", model.Id, model.Sum, model.BossId, model.ConfigurationId);
        }
    }
}