using YLErp.Modules.EodModule;

namespace YLErp.Web.Controllers
{
    public class CurrencyController : BaseController
    {
        [MyAuthorize("基础参数管理-设置货币")]
        public ActionResult setCurrency()
        {
            var currencies = DbContextFactory.GetYLDbContext().currency.ToList();
            return View(currencies);
        }

        [MyAuthorize("基础参数管理-设置货币")]
        public ActionResult currencyEdit(string currencyCode)
        {
            if (string.IsNullOrWhiteSpace(currencyCode))
            {
                return View(new Currency { StartDate = DateTime.Today });
            }
            var dbCur = DbContextFactory.GetYLDbContext().currency.Where(O => O.CurrencyCode == currencyCode).FirstOrDefault();
            if (dbCur == null)
            {
                throw new ServiceException($"数据库中未找到{currencyCode}");
            }
            if (dbCur.StartDate.HasValue && dbCur.StartDate.Value.Year < 2010)
            {
                dbCur.StartDate = new DateTime(2010, 1, 1);
            }
            return View(dbCur);
        }

        [MyAuthorize("基础参数管理-设置货币")]
        public JsonResult currencyDelete(string currencyCode)
        {
            if (string.IsNullOrWhiteSpace(currencyCode))
            {
                throw new ServiceException("货币代码为空");
            }
            var db = DbContextFactory.GetYLDbContext();
            var dbCur = db.currency.Where(O => O.CurrencyCode == currencyCode).FirstOrDefault();
            if (dbCur == null)
            {
                throw new ServiceException($"数据库中未找到{currencyCode}");
            }
            //验证CurrencyCode
            if (new EodCurrencyRateService(CurUser).HadCurrencyUsed(currencyCode))
            {
                throw new ServiceException($"{currencyCode}已在使用，无法被删除");
            }
            db.currency.Remove(dbCur);
            db.SaveChanges();
            return JsonSuccess("已删除");
        }

        [MyAuthorize("基础参数管理-设置货币")]
        public JsonResult currencyEditJson(Currency currency)
        {
            if (currency == null || string.IsNullOrWhiteSpace(currency.CurrencyCode) || string.IsNullOrWhiteSpace(currency.CurrencyName))
            {
                throw new ServiceException("货币信息不全！");
            }
            var db = DbContextFactory.GetYLDbContext();
            var dbCur = db.currency.Where(O => O.CurrencyCode == currency.CurrencyCode).FirstOrDefault();
            if (dbCur == null)
            {
                db.currency.Add(currency);
            }
            else
            {
                dbCur.CurrencyName = currency.CurrencyName;
                dbCur.CurrencyUnit = currency.CurrencyUnit;
                dbCur.CurrencySymbol = currency.CurrencySymbol;
                dbCur.StartDate = currency.StartDate;
            }
            db.SaveChanges();
            return JsonSuccess("操作成功");
        }

        public static List<SelectListItem> getList()
        {
            using (var db = DbContextFactory.GetYLDbContext())
            {
                var list = new List<SelectListItem>();
                var currencyCodes = db.currency.Select(o => o.CurrencyCode);
                foreach (var item in currencyCodes)
                {
                    list.Add(new SelectListItem
                    {
                        Value = item,
                        Text = item
                    });
                }
                return list;
            }
        }

        public static List<SelectListItem> getCashInCashOutList()
        {
            var list = new CurrencyController().getSelectCurrencyList();
            return list;
        }

        public JsonResult getCurrencyList(DateTime? happenDate = null)
        {
            var list = getSelectCurrencyList(happenDate);
            return JsonSuccessData(list);
        }

        private List<SelectListItem> getSelectCurrencyList(DateTime? happenDate = null)
        {
            var defaultValues = new string[] { "CNY", "USD" };
            var list = new List<SelectListItem>();
            var db = DbContextFactory.GetYLDbContext();
            var currencyCodes = db.currency.Select(o => o.CurrencyCode);
            if (happenDate != null)
            {
                currencyCodes = db.currency.Where(x => x.StartDate < happenDate).Select(o => o.CurrencyCode);
            }
            if (PS.Config.Company == Configuration.CompanyEnum.中金)
            {
                currencyCodes = currencyCodes.Where(o => defaultValues.Contains(o));
            }
            foreach (var item in currencyCodes)
            {
                list.Add(new SelectListItem
                {
                    Value = item,
                    Text = item
                });
            }
            return list;
        }
    }
}