using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
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.Application.Services;
using Volo.Abp.Domain.Repositories;

namespace Shentun.WebPeis.Questions
{
    /// <summary>
    /// 问卷
    /// </summary>
    [ApiExplorerSettings(GroupName = "Work")]
    [Authorize]
    public class QuestionAppService : ApplicationService
    {

        private readonly IRepository<Question> _questionRepository;
        private readonly QuestionManager _questionManager;
        private readonly CacheService _cacheService;

        public QuestionAppService(
            IRepository<Question> questionRepository,
            QuestionManager questionManager,
            CacheService cacheService)
        {
            _questionRepository = questionRepository;
            _questionManager = questionManager;
            _cacheService = cacheService;
        }

        ///// <summary>
        ///// 获取列表
        ///// </summary>
        ///// <returns></returns>
        //[HttpPost("api/app/Question/GetList")]
        //public async Task<List<QuestionDto>> GetListAsync()
        //{
        //    var entlist = await _questionRepository.GetQueryableAsync();

        //    var entdto = entlist.Select(s => new QuestionDto
        //    {
        //        CreationTime = s.CreationTime,
        //        CreatorId = s.CreatorId,
        //        DisplayOrder = s.DisplayOrder,
        //        LastModificationTime = s.LastModificationTime,
        //        LastModifierId = s.LastModifierId,
        //        SimpleCode = s.SimpleCode,
        //        QuestionTypeId = s.QuestionTypeId,
        //        QuestionSubjectTypeId = s.QuestionSubjectTypeId,
        //        QuestionName = s.QuestionName,
        //        QuestionId = s.QuestionId,
        //        PathCode = s.PathCode,
        //        ParentId = s.ParentId,
        //        IsActive = s.IsActive,
        //        AnswerType = s.AnswerType,
        //        CreatorName = _cacheService.GetSurnameAsync(s.CreatorId).Result,
        //        LastModifierName = _cacheService.GetSurnameAsync(s.LastModifierId).Result
        //    }).OrderBy(o => o.DisplayOrder).ToList();

        //    return entdto;


        //}


        /// <summary>
        /// 获取问卷树型列表
        /// </summary>
        /// <returns></returns>
        [HttpPost("api/app/Question/GetQuestionTreeList")]
        public async Task<List<QuestionTreeListDto>> GetQuestionTreeListAsync()
        {
            var dataList = await _questionRepository.GetListAsync();
            var items = from p in dataList.OrderBy(o => o.DisplayOrder)
                        select new QuestionTreeListDto()
                        {
                            ParentId = p.ParentId,
                            AnswerType = p.AnswerType,
                            QuestionId = p.QuestionId,
                            CreationTime = p.CreationTime,
                            CreatorId = p.CreatorId,
                            CreatorName = _cacheService.GetSurnameAsync(p.CreatorId).Result,
                            IsActive = p.IsActive,
                            LastModificationTime = p.LastModificationTime,
                            LastModifierId = p.LastModifierId,
                            LastModifierName = _cacheService.GetSurnameAsync(p.LastModifierId).Result,
                            PathCode = p.PathCode,
                            QuestionName = p.QuestionName,
                            QuestionSubjectTypeId = p.QuestionSubjectTypeId,
                            QuestionTypeId = p.QuestionTypeId,
                            SimpleCode = p.SimpleCode,
                            DisplayOrder = p.DisplayOrder
                        };
            return GetTree(items.ToList(), 0, "");
        }

      

        /// <summary>
        /// 创建
        /// </summary>
        /// <returns></returns>
        [HttpPost("api/app/Question/Create")]
        public async Task<QuestionDto> CreateAsync(CreateQuestionDto input)
        {
            var createEntity = ObjectMapper.Map<CreateQuestionDto, Question>(input);
            var entity = await _questionManager.CreateAsync(createEntity);
            entity = await _questionRepository.InsertAsync(entity);
            var dto = ObjectMapper.Map<Question, QuestionDto>(entity);
            dto.CreatorName = await _cacheService.GetSurnameAsync(dto.CreatorId);
            dto.LastModifierName = await _cacheService.GetSurnameAsync(dto.LastModifierId);
            return dto;
        }

        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("api/app/Question/Update")]
        public async Task<QuestionDto> UpdateAsync(UpdateQuestionDto input)
        {
            var entity = await _questionRepository.GetAsync(f => f.QuestionTypeId == input.QuestionTypeId);
            var sourceEntity = ObjectMapper.Map<UpdateQuestionDto, Question>(input);
            _questionManager.UpdateAsync(sourceEntity, entity);
            entity = await _questionRepository.UpdateAsync(entity);
            var dto = ObjectMapper.Map<Question, QuestionDto>(entity);
            dto.CreatorName = await _cacheService.GetSurnameAsync(dto.CreatorId);
            dto.LastModifierName = await _cacheService.GetSurnameAsync(dto.LastModifierId);
            return dto;
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("api/app/Question/Delete")]
        public async Task DeleteAsync(QuestionIdInputDto input)
        {
            await _questionManager.CheckAndDeleteAsync(input.QuestionId);
        }

        /// <summary>
        /// 修改排序  置顶，置底
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("api/app/Question/UpdateSortTopOrBottom")]
        public async Task UpdateSortTopOrBottomAsync(UpdateQuestionSortTopOrBottomInputDto input)
        {
            await _questionManager.UpdateSortTopOrBottomAsync(input.QuestionId, input.SortType);
        }

        /// <summary>
        ///  修改排序  拖拽
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("api/app/Question/UpdateSortDragAsync")]
        public async Task UpdateSortDragAsync(UpdateQuestionSortDragDto input)
        {
            await _questionManager.UpdateSortDragAsync(input);
        }

        /// <summary>
        /// 使用Code进行递归
        /// </summary>
        /// <param name="items"></param>
        /// <param name="deep"></param>
        /// <param name="prefix"></param>
        /// <returns></returns>
        private List<QuestionTreeListDto> GetTree(List<QuestionTreeListDto> items, int deep, string prefix)
        {
            return (from p in items
                    where p.PathCode.StartsWith(prefix) && p.PathCode.Count(a => a == '.') == deep
                    orderby p.DisplayOrder ascending
                    let subs = GetTree(items, deep + 1, p.PathCode)
                    select new QuestionTreeListDto()
                    {
                        ParentId = p.ParentId,
                        AnswerType = p.AnswerType,
                        QuestionId = p.QuestionId,
                        CreationTime = p.CreationTime,
                        CreatorId = p.CreatorId,
                        CreatorName = _cacheService.GetSurnameAsync(p.CreatorId).Result,
                        IsActive = p.IsActive,
                        LastModificationTime = p.LastModificationTime,
                        LastModifierId = p.LastModifierId,
                        LastModifierName = _cacheService.GetSurnameAsync(p.LastModifierId).Result,
                        PathCode = p.PathCode,
                        QuestionName = p.QuestionName,
                        QuestionSubjectTypeId = p.QuestionSubjectTypeId,
                        QuestionTypeId = p.QuestionTypeId,
                        SimpleCode = p.SimpleCode,
                        DisplayOrder = p.DisplayOrder,
                        TreeChildren = subs.ToList()
                    }
                    ).ToList();
        }
    }
}