using NPOI.POIFS.Properties;
using Shentun.Utilities;
using Shentun.WebPeis.Models;
using Shentun.WebPeis.QuestionTypes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Volo.Abp;
using Volo.Abp.Domain.Entities;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.Domain.Services;

namespace Shentun.WebPeis.Questions
{
    public class QuestionManager : DomainService
    {

        private readonly IRepository<Question> _questionRepository;

        public QuestionManager(
            IRepository<Question> questionRepository
            )
        {
            _questionRepository = questionRepository;
        }

        /// <summary>
        /// 创建
        /// </summary>
        /// <returns></returns>
        public async Task<Question> CreateAsync(Question entity)
        {
            DataHelper.CheckEntityIsNull(entity);
            //DataHelper.CheckStringIsNull(entity.QuestionTypeName, "名称");

            return new Question
            {
                AnswerType = entity.AnswerType,
                IsActive = entity.IsActive,
                ParentId = entity.ParentId,
                PathCode = await CreatePathCode(entity.ParentId),
                QuestionId = entity.QuestionId,
                QuestionName = entity.QuestionName,
                QuestionSubjectTypeId = entity.QuestionSubjectTypeId,
                SimpleCode = LanguageConverter.GetPYSimpleCode(entity.QuestionName),
                DisplayOrder = await EntityHelper.CreateMaxDisplayOrder<Question>(_questionRepository),
                QuestionTypeId = entity.QuestionTypeId
            };
        }


        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="sourceEntity"></param>
        /// <param name="targetEntity"></param>
        /// <returns></returns>
        public void UpdateAsync(
           Question sourceEntity,
           Question targetEntity
          )
        {
            DataHelper.CheckEntityIsNull(sourceEntity);
            DataHelper.CheckEntityIsNull(targetEntity);
            //DataHelper.CheckStringIsNull(sourceEntity.QuestionTypeName, "名称");


            targetEntity.AnswerType = sourceEntity.AnswerType;
            targetEntity.IsActive = sourceEntity.IsActive;
            targetEntity.ParentId = sourceEntity.ParentId;
            targetEntity.QuestionName = sourceEntity.QuestionName;
            targetEntity.QuestionSubjectTypeId = sourceEntity.QuestionSubjectTypeId;
            targetEntity.SimpleCode = LanguageConverter.GetPYSimpleCode(sourceEntity.QuestionName);
            targetEntity.QuestionTypeId = sourceEntity.QuestionTypeId;

        }



        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="QuestionId"></param>
        /// <returns></returns>
        /// <exception cref="UserFriendlyException"></exception>
        public async Task CheckAndDeleteAsync(Guid QuestionId)
        {

            //var questionEnt = await _questionRepository.FirstOrDefaultAsync(m => m.QuestionTypeId == QuestionTypeId);
            //if (questionEnt != null)
            //{
            //    throw new UserFriendlyException($"问卷类别已被使用，不能删除");
            //}

            await _questionRepository.DeleteAsync(d => d.QuestionId == QuestionId);

        }


        /// <summary>
        /// 修改排序  置顶，置底
        /// </summary>
        /// <param name="id">需要修改的ID</param>
        /// <param name="SortType">修改方式：1 置顶   2 置底</param>
        /// <returns></returns>
        public async Task UpdateSortTopOrBottomAsync(Guid QuestionId, int SortType)
        {
            var entity = await _questionRepository.GetAsync(f => f.QuestionId == QuestionId);
            await EntityHelper.UpdateSortTopOrBottomAsync(_questionRepository, entity, SortType);
        }



        /// <summary>
        /// 修改排序  拖拽
        /// </summary>
        /// <typeparam name="TEntity"></typeparam>
        /// <param name="repository"></param>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task UpdateSortDragAsync(UpdateQuestionSortDragDto input)
        {
            var entitylist = await _questionRepository.GetListAsync(o => input.ItemList.Select(s => s.QuestionId).Contains(o.QuestionId));

            foreach (var entity in entitylist)
            {
                foreach (var item in input.ItemList)
                {
                    if (item.QuestionId == entity.QuestionId)
                        entity.DisplayOrder = item.DisplayOrder;
                }
            }

            await _questionRepository.UpdateManyAsync(entitylist);
        }


        /// <summary>
        /// 自动生成pathcode
        /// </summary>
        /// <param name="parentId"></param>
        /// <returns></returns>
        public async Task<string> CreatePathCode(Guid? parentId)
        {
            string PathCode = "00001";
            //一级
            if (parentId == null || parentId == Guid.Empty)
            {
                //最大pathcode
                var LastPathCode = (await _questionRepository.GetListAsync(o => o.ParentId == Guid.Empty || o.ParentId == null))
                        .OrderByDescending(o =>
                        {
                            var sortCode = o.PathCode.Replace(".", "");
                            return Convert.ToInt32(sortCode);
                        }).FirstOrDefault();
                if (LastPathCode != null)
                {
                    PathCode = (Convert.ToInt32(LastPathCode.PathCode) + 1).ToString().PadLeft(5, '0');
                }
                else
                {
                    PathCode = "00001";
                }
            }
            else
            {
                //二级以及以上


                //上级pathcode
                var ParentPathCode = (await _questionRepository.GetListAsync(o => o.QuestionId == parentId)).FirstOrDefault().PathCode;

                //最大pathcode
                var LastPathCode = (await _questionRepository.GetListAsync(o => o.ParentId == parentId))
                     .OrderByDescending(o =>
                     {
                         var sortCode = o.PathCode.Replace(".", "");
                         return Convert.ToInt32(sortCode);
                     }).Select(s => s.PathCode).FirstOrDefault();

                if (!string.IsNullOrEmpty(LastPathCode))
                {
                    var MaxCode = LastPathCode.Split('.').Last();
                    PathCode = ParentPathCode + "." + (Convert.ToInt32(MaxCode) + 1).ToString().PadLeft(5, '0');
                }
                else
                {
                    PathCode = ParentPathCode + ".00001";
                }
            }

            return PathCode;
        }
    }
}