using YLErp.Core;
using YLErp.DBModels;
using YLErp.Modules.EodModule;

namespace YLErp.Web.Controllers
{
    /// <summary>
    /// 新建日终价格时，编辑页用来渲染"选择标的"下拉项的轻量视图模型。
    /// 纯服务端渲染，前端不依赖任何自动补全插件。
    /// </summary>
    public class UnderlyingOptionVm
    {
        public int Id { get; set; }
        public string Code { get; set; }
        public string Name { get; set; }
        public string Market { get; set; }
    }

    public class EodPriceController : BaseController
    {
        readonly IViewRenderService _viewRenderer;

        public EodPriceController(IViewRenderService viewRenderer)
        {
            _viewRenderer = viewRenderer;
        }

        [MyAuthorize("结算管理-日终价格查看")]
        public ActionResult EodPriceList()
        {
            return View();
        }

        [HttpPost]
        public JsonResult EodPriceQuery(EodCommodityFuturePriceReq req)
        {
            var sList = new EodPriceService(CurUser).SearchUnderlyingList(req);
            return Json(sList);
        }

        public ActionResult EodPriceView(string enid, string UnderlyingInstrumentType)
        {
            var eodUnderlying = new EodPriceViewModel() { UnderlyingInstrumentType = UnderlyingInstrumentType };
            var intid = DecryptLong(enid);
            if ("Stock".Equals(UnderlyingInstrumentType))
            {
                var id = Convert.ToInt32(intid);
                var r = yldb.eod_stock_price.Find(id);
                eodUnderlying.eod_Stock_Price = r;
                eodUnderlying.underlying = DataCacheProvider.GetUnderlyingDataSource().GetData(r.UnderlyingCode);
            }
            else if ("CommodityFutures".Equals(UnderlyingInstrumentType))
            {
                var id = Convert.ToInt32(intid);
                var r = yldb.eod_commodity_future_price.Find(id);
                eodUnderlying.eod_commodity_future_price = r;
                eodUnderlying.underlying = yldb.underlying_manager.Find(r.UnderlyingId);
            }
            else
            {
                var r = yldb.china_bond_valuation.Find(intid);
                eodUnderlying.ChinaBondValuation = r;
                eodUnderlying.underlying = yldb.underlying_manager.FirstOrDefault(x => x.UnderlyingCode == r.bond_id);
            }
            return View(eodUnderlying);
        }

        public ActionResult EodFuturePriceEdit(string enid)
        {
            bool isNew = string.IsNullOrEmpty(enid) || enid == "0";
            ViewBag.IsNew = isNew;
            if (isNew)
            {
                // 新建：提供期货类标的下拉，供前端选择后回填 UnderlyingId/UnderlyingCode/市场
                ViewBag.UnderlyingOptions = BuildUnderlyingOptions(
                    ConsGlobal.InstrumentType.CommodityFutures,
                    ConsGlobal.InstrumentType.GoldFutures,
                    ConsGlobal.InstrumentType.TBFutures,
                    ConsGlobal.InstrumentType.OtherFutures,
                    ConsGlobal.InstrumentType.AbroadFutures);
                return View(new eod_commodity_future_price { ValueDate = DateTime.Today });
            }
            var intid = DecryptInt(enid);
            var dbmodel = yldb.eod_commodity_future_price.Find(intid);
            if (dbmodel == null)
            {
                return ShowError("找不到数据");
            }
            ViewData["市场"] = DataCacheProvider.GetUnderlyingDataSource().GetData(dbmodel.UnderlyingCode)?.MarketName;
            return View(dbmodel);
        }

        public ActionResult EodStockPriceEdit(string enid)
        {
            bool isNew = string.IsNullOrEmpty(enid) || enid == "0";
            ViewBag.IsNew = isNew;
            if (isNew)
            {
                // 新建：提供股票类标的下拉
                ViewBag.UnderlyingOptions = BuildUnderlyingOptions(
                    ConsGlobal.InstrumentType.Stock,
                    ConsGlobal.InstrumentType.StockIndex,
                    ConsGlobal.InstrumentType.StockIF,
                    ConsGlobal.InstrumentType.HKStock,
                    ConsGlobal.InstrumentType.HKStockIndex,
                    ConsGlobal.InstrumentType.NewOtcStock,
                    ConsGlobal.InstrumentType.AbroadStock,
                    ConsGlobal.InstrumentType.AbroadStockIndex);
                return View(new eod_stock_price { ValueDate = DateTime.Today });
            }
            var intid = DecryptInt(enid);
            var dbmodel = yldb.eod_stock_price.Find(intid);
            if (dbmodel == null)
            {
                return ShowError("找不到数据");
            }
            ViewData["市场"] = DataCacheProvider.GetUnderlyingDataSource().GetData(dbmodel.UnderlyingCode)?.MarketName;
            return View(dbmodel);
        }
        public ActionResult EodBondPriceEdit(string enid)
        {
            bool isNew = string.IsNullOrEmpty(enid) || enid == "0";
            ViewBag.IsNew = isNew;
            if (isNew)
            {
                // 新建：提供债券类标的下拉（bond_id 由前端选择后回填）。
                // 默认估值日期=今天：避免未填日期时落库为 0001-01-01，落在列表默认窗口(今天)之外而查不出。
                ViewBag.UnderlyingOptions = BuildUnderlyingOptions(
                    ConsGlobal.InstrumentType.Bonds,
                    ConsGlobal.InstrumentType.TBonds,
                    ConsGlobal.InstrumentType.CreditBonds,
                    ConsGlobal.InstrumentType.OtherBonds);
                return View(new ChinaBondValuation { valuation_date = DateTime.Today });
            }
            var intid = DecryptLong(enid);
            var dbmodel = yldb.china_bond_valuation.Find(intid);
            if (dbmodel == null)
            {
                return ShowError("找不到数据");
            }
            ViewData["市场"] = DataCacheProvider.GetUnderlyingDataSource().GetData(dbmodel.bond_id)?.MarketName;
            return View(dbmodel);
        }

        /// <summary>
        /// 按标的类型取可下拉的标的列表（新建日终价格时供前端选择）。
        /// 返回 Id/Code/Name/Market，纯服务端渲染，不依赖前端自动补全插件。
        /// </summary>
        private List<UnderlyingOptionVm> BuildUnderlyingOptions(params string[] instrumentTypes)
        {
            var set = new HashSet<string>(instrumentTypes);
            return yldb.underlying_manager
                .Where(n => n.UnderlyingCode != null && n.LaunchState == "1" && set.Contains(n.UnderlyingInstrumentType))
                .OrderBy(n => n.UnderlyingCode)
                .Select(n => new UnderlyingOptionVm
                {
                    Id = n.id,
                    Code = n.UnderlyingCode,
                    Name = n.UnderlyingName,
                    Market = n.MarketName
                })
                .ToList();
        }
        [HttpPost]
        public JsonResult EodFuturePriceEditJson(eod_commodity_future_price req)
        {
            if (!string.IsNullOrEmpty(req.EncryptId))
            {
                req.id = DecryptInt(req.EncryptId);
            }

            var r = new EodPriceService(CurUser).SaveEodFuturePrice(req);

            return JsonSuccess("更新成功", r);
        }

        public JsonResult EodBondPriceEditJson(ChinaBondValuation req)
        {
            if (!string.IsNullOrEmpty(req.EncryptId))
            {
                req.id = DecryptLong(req.EncryptId);
            }
            var r = new EodPriceService(CurUser).SaveBondPrice(req);

            return JsonSuccess("更新成功", r);
        }

        [HttpPost]
        public JsonResult EodStockPriceEditJson(eod_stock_price req)
        {
            if (!string.IsNullOrEmpty(req.EncryptId))
            {
                req.id = DecryptInt(req.EncryptId);
            }

            var r = new EodPriceService(CurUser).SaveEodStockPrice(req);

            return JsonSuccess("更新成功", r);
        }

        [HttpPost]
        public JsonResult DeletEodPrice(string id)
        {
            var intid = DecryptInt(id);
            var r = yldb.eod_commodity_future_price.Find(intid);
            if (r == null)
            {
                return JsonError("找不到日终商品期货价格");
            }
            yldb.eod_commodity_future_price.Remove(r);
            yldb.SaveChanges();
            return JsonSuccess("删除成功");
        }

        /// <summary>
        /// 导入结算价
        /// </summary>
        public async Task<ActionResult> UploadSettlementBill(IFormFile file)
        {
            try
            {
                if (file == null || string.IsNullOrWhiteSpace(file.FileName))
                {
                    return JsonError("未获取上传文件");
                }
                var fileExtension = Path.GetExtension(file.FileName);
                if (fileExtension.ToLowerInvariant() != ".xlsx")
                {
                    return JsonError("请上传xlsx格式的文件");
                }
                using var openStream = file.OpenReadStream();
                var result = new SettlementPriceImportService(CurUser).ImportxlsxDatas(openStream);
                var html = await _viewRenderer.RenderToStringAsync("Common/ImportResult", result);
                return JsonSuccess(null, html);
            }
            catch (Exception ex)
            {
                LogFactory.GetLogger("导入结算价").Error("导入结算价出错", ex);
                return JsonError(ex.Message);
            }
        }
    }
}