using BaseOUDAL;
using YLErp.Helpers;

namespace YLErp.Modules.ScenarioModule
{
    /// <summary>
    /// 情景配置数据服务
    /// </summary>
    public class ScenarioConfigService : YLBaseService
    {
        public ScenarioConfigService(OptUserInfo optUser) : base(optUser)
        {

        }

        /// <summary>
        /// 保存数据
        /// </summary>
        public ScenarioConfigV2 SaveData(ScenarioConfigV2 req)
        {
            if (req == null)
            {
                throw new ServiceException("数据不能为空");
            }

            if (string.IsNullOrWhiteSpace(req.ConfigName))
            {
                throw new ServiceException("情景名称 必须填写");
            }

            if (string.IsNullOrWhiteSpace(req.xType))
            {
                throw new ServiceException("横坐标类型 必须填写");
            }

            if (string.IsNullOrWhiteSpace(req.yType))
            {
                throw new ServiceException("纵坐标类型 必须填写");
            }

            if (req.xType == req.yType)
            {
                throw new ServiceException("横纵坐标类型 不能一致");
            }

            if (!ScenarioHelper.XyTypes.Contains(req.xType))
            {
                throw new ServiceException("横坐标类型 不支持:" + req.xType);
            }

            if (!ScenarioHelper.XyTypes.Contains(req.yType))
            {
                throw new ServiceException("纵坐标类型 不支持:" + req.yType);
            }

            var special = req.ParseSepcial();
            if (special.HasItem())
            {
                if (special.VarityList != null && special.VarityList.Count != special.VarityList.Select(n => n.id).ToHashSet().Count)
                {
                    throw new ServiceException("标的品种变动率 有重复的标的品种!");
                }

                if (special.UnderlyingList != null && special.UnderlyingList.Count != special.UnderlyingList.Select(n => n.id).ToHashSet().Count)
                {
                    throw new ServiceException("标的代码变动率 有重复的标的品种!");
                }
            }

            if (!string.IsNullOrEmpty(req.EncryptId))
            {
                req.id = DataProtectHelper.DecryptInt(req.EncryptId);
            }

            ScenarioConfigV2 dbModel;

            var isAddNew = req.id == 0;

            if (isAddNew)
            {
                DbContext.ScenarioConfig.Add(dbModel = req);
            }
            else
            {
                dbModel = DbContext.ScenarioConfig.Find(req.id);
                if (dbModel == null)
                {
                    throw new ServiceException("更新失败，数据已不存在!");
                }
                UpdateEntity(dbModel, req);
            }

            SetDBModelOpt(dbModel);

            DbContext.SaveChanges();

            return dbModel;
        }

        /// <summary>
        /// 移除数据
        /// </summary>
        public int RemoveData(string enid)
        {
            var intid = DataProtectHelper.DecryptInt(enid);
            var dbModel = DbContext.ScenarioConfig.Find(intid);
            if (dbModel == null)
            {
                throw new ServiceException("找不到情景分析配置");
            }

            DbContext.ScenarioConfig.Remove(dbModel);

            return DbContext.SaveChanges();
        }

        /// <summary>
        /// 获取用户情景配置
        /// </summary>
        public List<ScenarioConfigV2> GetUserScens()
        {
            return DbContext.ScenarioConfig.AsNoTracking().Where(s => s.UserId == UserId).ToList();
        }

        /// <summary>
        /// 查询情景配置
        /// </summary>
        public SearchListResult<ScenarioConfigV2> SearchList(ScenarioReq req)
        {
            var query = DbContext.ScenarioConfig.AsNoTracking().AsQueryable();

            if (!string.IsNullOrEmpty(req.ConfigName))
            {
                query = query.Where(d => d.ConfigName.Contains(req.ConfigName));
            }

            if (req.UserId != null)
            {
                if (string.IsNullOrEmpty(req.ConfigName))
                {
                    query = query.Where(d => d.UserId == req.UserId.Value || d.ConfigName == "对冲风险压力测试");
                }
                else
                {
                    query = query.Where(d => d.UserId == req.UserId.Value);
                }
            }

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }

            var searchResult = query.ToSearchList(req);

            foreach (var config in searchResult.rows)
            {
                SetSpecial(config);
            }

            return searchResult;
        }

        /// <summary>
        /// 获取单条数据
        /// </summary>
        public ScenarioConfigV2 GetData(int id)
        {
            var dbModel = DbContext.ScenarioConfig.AsNoTracking().FirstOrDefault(n => n.id == id);

            if (dbModel != null)
            {
                SetSpecial(dbModel);
            }

            return dbModel;
        }

        private void SetSpecial(ScenarioConfigV2 config)
        {
            if (string.IsNullOrWhiteSpace(config.SpecialConfig))
            {
                return;
            }

            var special = JsonHelper.ToObject<ScenarioSpecial>(config.SpecialConfig);

            if (special.VarityList != null)
            {
                foreach (var item in special.VarityList)
                {
                    if (string.IsNullOrEmpty(item.Name))
                    {
                        item.Name = DataCacheProvider.GetVarietyDataSource().GetData(item.id)?.VarietyName;
                    }
                }
            }

            if (special.UnderlyingList != null)
            {
                foreach (var item in special.UnderlyingList)
                {
                    if (string.IsNullOrEmpty(item.Name))
                    {
                        item.Name = DataCacheProvider.GetUnderlyingDataSource().GetData(item.id)?.UnderlyingCode;
                    }
                }
            }

            config.SpecialConfig = special.ToJson();
        }
    }

    /// <summary>
    /// 
    /// </summary>
    public class ScenarioReq : BaseSearchReq
    {
        /// <summary>
        /// 情景名称
        /// </summary> 
        public string ConfigName { get; set; }

        /// <summary>
        /// 
        /// </summary>
        public int? UserId { get; set; }
    }
}