package credit_balance

import (
	"context"
	"github.com/suyuan32/simple-admin-common/msg/errormsg"
	"github.com/suyuan32/simple-admin-core/rpc/types/core"
	"github.com/zeromicro/go-zero/core/errorx"
	"wechat-api/ent/creditbalance"

	"wechat-api/internal/svc"
	"wechat-api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type OperateCreditBalanceLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewOperateCreditBalanceLogic(ctx context.Context, svcCtx *svc.ServiceContext) *OperateCreditBalanceLogic {
	return &OperateCreditBalanceLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx}
}

func (l *OperateCreditBalanceLogic) OperateCreditBalance(req *types.CreditBalanceOperateReq) (*types.BaseMsgResp, error) {
	if req.Number == nil || *req.Number == 0 {
		return nil, errorx.NewInvalidArgumentError("Number参数非法")
	}
	if req.UserId == nil {
		return nil, errorx.NewInvalidArgumentError("UserId参数非法")
	}

	creditBalance, err := l.svcCtx.DB.CreditBalance.Query().Where(creditbalance.UserID(*req.UserId)).Only(l.ctx)
	if err != nil {
		l.Logger.Errorf("query credit_balance error:%v\n", err)
		return nil, errorx.NewInvalidArgumentError(err.Error())
	}

	var ntype int
	if *req.Number > 0 {
		ntype = 2
	} else {
		ntype = 1
	}

	userInfo, err := l.svcCtx.CoreRpc.GetUserById(l.ctx, &core.UUIDReq{Id: *req.UserId})
	if err != nil {
		l.Logger.Errorf("query user error:%v\n", err)
		return nil, errorx.NewInvalidArgumentError("用户不存在")
	}

	tx, err := l.svcCtx.DB.Tx(context.Background())
	_, err = tx.CreditUsage.Create().
		SetUserID(*req.UserId).
		SetNumber(*req.Number).
		SetNtype(ntype).
		SetNid(0).
		SetTable("").
		SetReason(*req.Reason).
		SetOrganizationID(*userInfo.DepartmentId).
		Save(l.ctx)
	if err != nil {
		l.Logger.Errorf("create credit_usage error:%v\n", err)
		_ = tx.Rollback()
		return nil, errorx.NewInvalidArgumentError("创建用户积分明细失败，请重试")
	}

	if *req.Number > 0 {
		if creditBalance == nil {
			_, err = l.svcCtx.DB.CreditBalance.Create().
				SetUserID(*req.UserId).
				SetBalance(*req.Number).
				Save(l.ctx)
			if err != nil {
				l.Logger.Errorf("create credit_balance error:%v\n", err)
				_ = tx.Rollback()
				return nil, errorx.NewInvalidArgumentError("创建用户积分余额失败，请重试")
			}
		} else {
			_, err = l.svcCtx.DB.CreditBalance.Update().Where(creditbalance.UserID(*req.UserId)).SetBalance(creditBalance.Balance + *req.Number).Save(l.ctx)
			if err != nil {
				l.Logger.Errorf("update credit_balance error:%v\n", err)
				_ = tx.Rollback()
				return nil, errorx.NewInvalidArgumentError("修改用户积分余额失败，请重试.")
			}
		}
	} else {
		_, err := l.svcCtx.DB.CreditBalance.Update().Where(creditbalance.UserID(*req.UserId)).SetBalance(creditBalance.Balance + *req.Number).Save(l.ctx)
		if err != nil {
			l.Logger.Errorf("update credit_balance error:%v\n", err)
			_ = tx.Rollback()
			return nil, errorx.NewInvalidArgumentError("修改用户积分余额失败，请重试...")
		}
	}
	_ = tx.Commit()

	return &types.BaseMsgResp{
		Code: 0,
		Msg:  errormsg.Success,
	}, nil
}