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

namespace LawCompanyBusinessLogic.BusinessLogics
{
    public class HearingLogic : IHearingLogic
    {
        private readonly ILogger _logger;
        private readonly IHearingStorage _hearingStorage;

        public HearingLogic(ILogger<HearingLogic> logger, IHearingStorage hearingStorage)
        {
            _logger = logger;
            _hearingStorage = hearingStorage;
        }

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

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

        public HearingViewModel? ReadElement(HearingSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. HearingDate:{HearingDate}. Id:{Id}", model.HearingDate, model.Id);
            var element = _hearingStorage.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<HearingViewModel>? ReadList(HearingSearchModel? model)
        {
            _logger.LogInformation("ReadList. HearingDate:{HearingDate}.Id:{Id}", model?.HearingDate, model?.Id);
            var list = model == null ? _hearingStorage.GetFullList() : _hearingStorage.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(HearingBindingModel model)
        {
            CheckModel(model);
            if (_hearingStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool AddLawyerToHearing(HearingSearchModel model, ILawyerModel lawyer)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }

            var element = _hearingStorage.GetElement(model);

            if (element == null)
            {
                return false;
            }

            element.HearingLawyers[lawyer.Id] = lawyer;

            _hearingStorage.Update(new()
            {
                Id = element.Id,
                HearingDate = element.HearingDate,
                Judge = element.Judge,
                HearingLawyers = element.HearingLawyers,
                GuarantorId = element.GuarantorId,
            });

            return true;
        }
        private void CheckModel(HearingBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty((model.HearingDate).ToString()))
            {
                throw new ArgumentNullException("Не поставлено время", nameof(model.HearingDate));
            }

            _logger.LogInformation("Hearing. HearingDate:{HearingDate}. Id: {Id}  ", model.HearingDate, model.Id);
            var element = _hearingStorage.GetElement(new HearingSearchModel
            {
                HearingDate = model.HearingDate

            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("На данное время уже назначено слушание");
            }
        }
    }
}