using LawCompanyContracts.BindingModels;
using LawCompanyContracts.BusinessLogicContracts;
using LawCompanyContracts.SearchModels;
using LawCompanyContracts.StoragesContracts;
using LawCompanyContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace LawCompanyBusinessLogic.BusinessLogics
{
    public class LawyerLogic : ILawyerLogic
    {
        private readonly ILogger _logger;
        private readonly ILawyerStorage _lawyerStorage;

        public LawyerLogic(ILogger<LawyerLogic> logger, ILawyerStorage lawyerStorage)
        {
            _logger = logger;
            _lawyerStorage = lawyerStorage;
        }

        public bool Create(LawyerBindingModel model)
        {
            CheckModel(model);
            if (_lawyerStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }

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

        public List<LawyerViewModel>? ReadHearingElementList(HearingSearchModel? model)
        {
            if (model == null)
            {
                return null;
            }
            var list = _lawyerStorage.GetLawyerHearingList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }

        public List<LawyerViewModel>? ReadConsultationElementList(ConsultationSearchModel? model)
        {
            if (model == null)
            {
                return null;
            }
            var list = _lawyerStorage.GetLawyerConsultationList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }

        public LawyerViewModel? ReadElement(LawyerSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. LawyerName:{FIO}. Id:{Id}", model.FIO, model.Id);
            var element = _lawyerStorage.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<LawyerViewModel>? ReadList(LawyerSearchModel? model)
        {
            _logger.LogInformation("ReadList. LawyerName:{LawyerName}.Id:{Id}", model?.FIO, model?.Id);
            var list = model == null ? _lawyerStorage.GetFullList() : _lawyerStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }

        public bool Update(LawyerBindingModel model)
        {
            CheckModel(model);
            if (_lawyerStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        private void CheckModel(LawyerBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.FIO))
            {
                throw new ArgumentNullException("Нет имени юриста", nameof(model.FIO));
            }
            if (string.IsNullOrEmpty(model.Phone))
            {
                throw new ArgumentNullException("Нет телефона юриста", nameof(model.Phone));
            }
            if (string.IsNullOrEmpty(model.Email))
            {
                throw new ArgumentNullException("Нет e-mail юриста", nameof(model.Email));
            }

            _logger.LogInformation("Lawyer. LawyerName:{FIO}. Phone: {Phone}. E-mail:{Email}. Id: {Id} ", model.FIO, model.Phone, model.Email, model.Id);
            var element = _lawyerStorage.GetElement(new LawyerSearchModel
            {
                FIO = model.FIO,
                Phone = model.Phone,
                Email = model.Email,
                GuarantorId = model.GuarantorId,

            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Юрист с такими данными уже есть");
            }
        }
    }
}