using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Transactions;
using GxPress.Common.Exceptions;
using GxPress.Common.Tools;
using GxPress.EnumConst;
using GxPress.Request.App.Topic;
using GxPress.Result;
using Newtonsoft.Json;

namespace GxPress.Service.Implement.Topic
{
    public partial class TopicService
    {

        /// <summary>
        /// 创建话题
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<AppResultJson<Entity.Topic.Topic>> InsertTopicAsync(TopicInRequest request)
        {
            var result = new AppResultJson<Entity.Topic.Topic>();
            if (string.IsNullOrWhiteSpace(request.Title) && string.IsNullOrWhiteSpace(request.HtmlContent))
                throw new BusinessException("标题和内容必填一项！");
            try
            {
                using (TransactionScope transactionScope = new TransactionScope())
                {
                    //创建话题
                    var topic = new Entity.Topic.Topic
                    {
                        UserId = request.UserId,
                        Content = request.Content,
                        HtmlContent = request.HtmlContent,
                        Title = request.Title,
                        GroupId = request.GroupId,
                        FolderId = request.FolderId,
                        IsDraft = request.IsDraft
                    };
                    if (!string.IsNullOrEmpty(request.Content))
                    {
                        var contentJsonData = JsonConvert.DeserializeObject<List<ContentJsonData>>(request.Content);
                        foreach (var item in contentJsonData)
                        {
                            item.File = StringUtils.RemoveDomain(item.File);
                            if (item.Type == AllTypeConst.Text.GetHashCode())
                                topic.TextContent += item.Text;
                        }
                        topic.Content = JsonConvert.SerializeObject(contentJsonData);
                    }
                    else
                    {
                        topic.TextContent = "[]";
                        topic.Content = "[]";
                    }
                    var topicId = await _topicRepository.InsertAsync(topic);
                    //修改小组
                    if (request.GroupId > 0)
                    {
                        var group = await groupRepository.GetAsync(request.GroupId);
                        group.LastModifiedDate = DateTime.Now;
                        await groupRepository.UpdateAsync(group);
                    }
                    // //添加默认文件夹
                    // await recordFolderRepository.AddAsync(AllTypeConst.TopicNote.GetHashCode(), request.UserId, request.FolderId);
                    //修改话题访问量
                    await _visitService.AddVisit(request.UserId, GxPress.EnumConst.AllTypeConst.Topic.GetHashCode(), topicId);
                    result = new AppResultJson<Entity.Topic.Topic>
                    {
                        Code = StatusCodeConst.SucceedCode.GetHashCode(),
                        Msg = "",
                        Success = false,
                        Data = await _topicRepository.GetAsync(topicId)
                    };
                    transactionScope.Complete();
                }
            }
            catch
            {
                return result = new AppResultJson<Entity.Topic.Topic>
                {
                    Code = StatusCodeConst.ErrorCode.GetHashCode(),
                    Msg = StatusCodeConst.ErrorMsg.GetDescriptionOriginal(),
                    Success = false,
                    Data = new Entity.Topic.Topic()
                };
            }

            return result;
        }
    }
}