using System;
using System.Collections.Generic;
using System.Linq;
using MySystem.PxcModels;

namespace MySystem
{
    public class Utils
    {
        public readonly static Utils Instance = new Utils();
        private Utils()
        { }

        /// <summary>
        /// 操作收支明细
        /// </summary>
        /// <param name="UserId"></param>
        /// <param name="Money"></param>
        /// <param name="ChangeType"></param>
        public void OpAccount(int UserId, decimal Money, int ChangeType, bool IsTotal = true)
        {
            WebCMSEntities db = new WebCMSEntities();
            UserAccount account = db.UserAccount.FirstOrDefault(m => m.Id == UserId);
            if (account == null)
            {
                account = db.UserAccount.Add(new UserAccount()
                {
                    Id = UserId,
                    UserId = UserId,
                }).Entity;
                db.SaveChanges();
            }
            decimal BeforeTotalAmount = account.TotalAmount; //变更前总金额
            decimal BeforeFreezeAmount = account.FreezeAmount; //变更前冻结金额
            decimal BeforeBalanceAmount = account.BalanceAmount; //变更前余额
            account.BalanceAmount += Money;
            if(IsTotal)
            {
                account.TotalAmount += Money;
            }
            decimal AfterTotalAmount = account.TotalAmount; //变更后总金额
            decimal AfterFreezeAmount = account.FreezeAmount; //变更后冻结金额
            decimal AfterBalanceAmount = account.BalanceAmount; //变更后余额
            UserAccountRecord userAccountRecord = db.UserAccountRecord.Add(new UserAccountRecord()
            {
                CreateDate = DateTime.Now,
                UpdateDate = DateTime.Now,
                UserId = UserId, //创客
                ChangeType = ChangeType, //变动类型
                ChangeAmount = Money, //变更金额
                BeforeTotalAmount = BeforeTotalAmount, //变更前总金额
                AfterTotalAmount = AfterTotalAmount, //变更后总金额
                BeforeFreezeAmount = BeforeFreezeAmount, //变更前冻结金额
                AfterFreezeAmount = AfterFreezeAmount, //变更后冻结金额
                BeforeBalanceAmount = BeforeBalanceAmount, //变更前余额
                AfterBalanceAmount = AfterBalanceAmount, //变更后余额
            }).Entity;
            db.SaveChanges();
            db.Dispose();
        }

        public void ToChargeAmount(int UserId, decimal Money)
        {
            WebCMSEntities db = new WebCMSEntities();
            UserAccount account = db.UserAccount.FirstOrDefault(m => m.Id == UserId);
            if (account == null)
            {
                account = db.UserAccount.Add(new UserAccount()
                {
                    Id = UserId,
                    UserId = UserId,
                }).Entity;
                db.SaveChanges();
            }
            account.ToChargeAmount += Money;
            db.SaveChanges();
            db.Dispose();
        }

        /// <summary>
        /// 判断是否达标创客
        /// </summary>
        /// <param name="UserId"></param>
        /// <returns></returns>
        public bool IsStandardUser(int UserId)
        {
            WebCMSEntities db = new WebCMSEntities();
            int ActiveCount = db.PosMachinesTwo.Count(m => m.BuyUserId == UserId && m.ActivationState == 1); //判断是否拥有3台激活机（不限购买或赠送）
            int couponCount = db.PosCoupons.Count(m => m.UserId == UserId && m.IsUse == 0); //判断是否拥有3张券
            // TODO:待确认条件
            db.Dispose();
            if(ActiveCount + couponCount >= 3)
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 预设职级
        /// </summary>
        /// <param name="UserId"></param>
        /// <param name="LeaderKind"></param>
        public void LeaderPreUserLevel(int UserId, int UserLevel, DateTime ExpiredDate)
        {
            WebCMSEntities db = new WebCMSEntities();
            UserRankWhite rank = db.UserRankWhite.FirstOrDefault(m => m.Id == UserId);
            if(rank == null)
            {
                rank = db.UserRankWhite.Add(new UserRankWhite()
                {
                    CreateDate = DateTime.Now, //设置时间
                    UserId = UserId, //用户
                    Id = UserId,
                }).Entity;
                db.SaveChanges();
            }
            rank.Rank = UserLevel;
            rank.UpdateDate = ExpiredDate;
            db.SaveChanges();
            db.Dispose();
        }
    
    
    }
}