using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Traffic.Data.Models;
using Traffic.Data.ViewModels;
using Traffic.Repository.Infrastructures;
using Traffic.Service.Interfaces;

namespace Traffic.Service.Implements
{
    public class NotPunishService : INotPunishService
    {
        private readonly IUnitOfWork _unitOfWork;
        private readonly ILogger _logger;

        public NotPunishService(IUnitOfWork unitOfWork, ILogger<NotPunishService> logger)
        {
            _unitOfWork = unitOfWork;
            _logger = logger;
        }

        public IEnumerable<NotPunishViewModel> GetNotPunishs()
        {
            try
            {
                _logger.LogInformation($"GetNotPunishs Init");
                var data = _unitOfWork.NotPunishRepository.GetNotPunishs();

                var eventTypes = _unitOfWork.EventTypeRepository.GetEventTypes();
                var result = data.ToList().Select(x => new NotPunishViewModel
                {
                    Id = x.Id,
                    EventTypeId = x.EventTypeId,
                    EventType = eventTypes.Any(i => i.Id == x.EventTypeId) ? eventTypes.FirstOrDefault(i => i.Id == x.EventTypeId).EventType : string.Empty,
                    EventName = eventTypes.Any(i => i.Id == x.EventTypeId) ? eventTypes.FirstOrDefault(i => i.Id == x.EventTypeId).EventName : string.Empty,
                    NotPunishType = x.NotPunishType,
                    NotPunishReason = x.NotPunishReason,
                });

                _logger.LogInformation($"GetNotPunishs Finish");
                return result;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex.Message);
                return null;
            }
        }

        public PageViewModel<IEnumerable<NotPunishViewModel>> GetNotPunishs(SearchModel searchModel)
        {
            try
            {
                _logger.LogInformation($"GetNotPunishs Init");
                var data = _unitOfWork.NotPunishRepository.GetNotPunishs();

                if (!string.IsNullOrEmpty(searchModel.Term))
                {
                    _logger.LogInformation($"GetNotPunishs searchModel.Term ={searchModel.Term}");
                    data = data.Where(x => x.NotPunishReason.Contains(searchModel.Term));
                }

                int count = data.Count();
                int pageCount = count % searchModel.PageSize != 0 ? (count / searchModel.PageSize) + 1 : count / searchModel.PageSize;

                switch (searchModel.Order.ToLower())
                {
                    case "id":
                    default:
                        data = searchModel.IsAsc ? data.OrderBy(x => x.Id) : data.OrderByDescending(x => x.Id);
                        break;
                    case "eventtypeid":
                        data = searchModel.IsAsc ? data.OrderBy(x => x.EventTypeId).ThenBy(x => x.Id) : data.OrderByDescending(x => x.EventTypeId).ThenByDescending(x => x.Id);
                        break;
                    case "notpunishtype":
                        data = searchModel.IsAsc ? data.OrderBy(x => x.NotPunishType).ThenBy(x => x.Id) : data.OrderByDescending(x => x.NotPunishType).ThenByDescending(x => x.Id);
                        break;
                    case "notpunishreason":
                        data = searchModel.IsAsc ? data.OrderBy(x => x.NotPunishReason).ThenBy(x => x.Id) : data.OrderByDescending(x => x.NotPunishReason).ThenByDescending(x => x.Id);
                        break;
                }

                var eventTypes = _unitOfWork.EventTypeRepository.GetEventTypes();
                data = data.Skip((searchModel.Page - 1) * searchModel.PageSize).Take(searchModel.PageSize);
                var result = data.ToList().Select(x => new NotPunishViewModel
                {
                    Id = x.Id,
                    EventTypeId = x.EventTypeId,
                    EventType = eventTypes.Any(i => i.Id == x.EventTypeId) ? eventTypes.FirstOrDefault(i => i.Id == x.EventTypeId).EventType : string.Empty,
                    EventName = eventTypes.Any(i => i.Id == x.EventTypeId) ? eventTypes.FirstOrDefault(i => i.Id == x.EventTypeId).EventName : string.Empty,
                    NotPunishType = x.NotPunishType,
                    NotPunishReason = x.NotPunishReason,
                });

                _logger.LogInformation($"GetNotPunishs Finish");
                return new PageViewModel<IEnumerable<NotPunishViewModel>>
                {
                    RowCount = count,
                    PageCount = pageCount,
                    CurrentPage = searchModel.Page,
                    Data = result,
                };
            }
            catch (Exception ex)
            {
                _logger.LogError(ex.Message);
                return null;
            }
        }

        public NotPunishViewModel GetNotPunishById(int id)
        {
            try
            {
                _logger.LogDebug($"GetNotPunishById Init");
                _logger.LogDebug($"GetNotPunishById id = {id}");

                var data = _unitOfWork.NotPunishRepository.GetNotPunishById(id);
                if (data == null)
                {
                    _logger.LogWarning($"GetNotPunishById id = {id} is Null");
                    return null;
                }

                _logger.LogDebug($"GetNotPunishById data.NotPunishType = {data.NotPunishType} and data.NotPunishReason = {data.NotPunishReason}");
                var eventType = _unitOfWork.EventTypeRepository.GetEventTypeById(data.EventTypeId);

                _logger.LogDebug($"GetNotPunishById Finish");
                return new NotPunishViewModel
                {
                    Id = data.Id,
                    EventTypeId = data.EventTypeId,
                    EventType = eventType.EventType,
                    EventName = eventType.EventName,
                    NotPunishType = data.NotPunishType,
                    NotPunishReason = data.NotPunishReason,
                };
            }
            catch (Exception ex)
            {
                _logger.LogError(ex.Message);
                return null;
            }
        }

        public TradeResultModel InsertNotPunish(NotPunishViewModel viewModel)
        {
            try
            {
                _logger.LogDebug($"InsertNotPunish Init");
                var eventType = _unitOfWork.EventTypeRepository.GetEventTypeById(viewModel.EventTypeId);
                if (eventType == null)
                {
                    _logger.LogWarning($"InsertNotPunish EventTypeId = {viewModel.EventTypeId} 無此事件類型");
                    return new TradeResultModel { Success = false, Message = "查無此事件類型" };
                }

                var data = new NotPunish
                {
                    EventTypeId = viewModel.EventTypeId,
                    NotPunishType = viewModel.NotPunishType,
                    NotPunishReason = viewModel.NotPunishReason,
                };

                _logger.LogDebug($"InsertNotPunish Insert EventTypeId = { viewModel.EventTypeId}");
                _logger.LogDebug($"InsertNotPunish Insert NotPunishType = {viewModel.NotPunishType}");
                _logger.LogDebug($"InsertNotPunish Insert EventTypeId= {viewModel.EventTypeId}");

                var result = _unitOfWork.NotPunishRepository.InsertNotPunish(data);
                _unitOfWork.Complete();

                _logger.LogDebug($"InsertNotPunish result is {result}");
                _logger.LogDebug($"InsertNotPunish Finish");
                return new TradeResultModel { Success = result, Message = result ? "新增成功" : "新增失敗" };
            }
            catch (Exception ex)
            {
                _unitOfWork.Rollback();
                _logger.LogError(ex.Message);
                return new TradeResultModel() { Success = false, Message = ex.ToString() };
            }
        }

        public TradeResultModel UpdatNotPunish(int id, NotPunishViewModel viewModel)
        {
            try
            {
                _logger.LogDebug($"UpdatNotPunish Init");
                var eventType = _unitOfWork.EventTypeRepository.GetEventTypeById(viewModel.EventTypeId);
                if (eventType == null)
                {
                    _logger.LogWarning($"UpdatNotPunish EventTypeId = {viewModel.EventTypeId} 無此事件類型");
                    return new TradeResultModel { Success = false, Message = "查無此事件類型" };
                }

                var data = new NotPunish
                {
                    Id = id,
                    EventTypeId = viewModel.EventTypeId,
                    NotPunishType = viewModel.NotPunishType,
                    NotPunishReason = viewModel.NotPunishReason,
                };

                _logger.LogDebug($"InsertNotPunish Insert EventTypeId = { viewModel.EventTypeId}");
                _logger.LogDebug($"InsertNotPunish Insert NotPunishType = {viewModel.NotPunishType}");
                _logger.LogDebug($"InsertNotPunish Insert EventTypeId= {viewModel.EventTypeId}");

                var result = _unitOfWork.NotPunishRepository.UpdateNotPunish(data);
                _unitOfWork.Complete();

                _logger.LogDebug($"UpdatNotPunish result is {result}");
                _logger.LogDebug($"UpdatNotPunish Finish");
                return new TradeResultModel { Success = result, Message = result ? "修改成功" : "修改失敗" };
            }
            catch (Exception ex)
            {
                _unitOfWork.Rollback();
                _logger.LogError(ex.Message);
                return new TradeResultModel() { Success = false, Message = ex.ToString() };
            }
        }

        public TradeResultModel DeleteNotPunish(int id)
        {
            try
            {
                _logger.LogDebug($"DeleteNotPunish Init");
                var data = _unitOfWork.NotPunishRepository.GetNotPunishById(id);
                if (data == null)
                {
                    _logger.LogWarning($"UpdatNotPunish id = {id} 無此不開單原因");
                    return new TradeResultModel { Success = false, Message = "查無此不開單原因" };
                }

                var result = _unitOfWork.NotPunishRepository.DeleteNotPunish(id);
                _unitOfWork.Complete();

                _logger.LogDebug($"DeleteNotPunish result is {result}");
                _logger.LogDebug($"DeleteNotPunish Finish");
                return new TradeResultModel { Success = result, Message = result ? "刪除成功" : "刪除失敗" };
            }
            catch (Exception ex)
            {
                _unitOfWork.Rollback();
                _logger.LogError(ex.Message);
                return new TradeResultModel() { Success = false, Message = ex.ToString() };
            }
        }
    }
}