package api

import (
	"yunyan/comm"
	"yunyan/lego/sys/log"
	"yunyan/pb"
)

// 更新品牌商信息
func (this *apiComp) UpdateBrand(session comm.IUserSession, req *pb.ApiUpdateBrandReq) (resp *pb.ApiUpdateBrandResp, errdata *pb.ErrorData) {
	var (
		old *pb.DBBrand
		err error
	)
	if req.Brand == nil || req.Brand.Id == 0 {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_ReqParameterError,
			Message: "brand id is required",
		}
		return
	}
	if old, err = this.module.model.factory(req.Brand.Id); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Message: err.Error(),
		}
		this.module.Error("UpdateBrand Fail!", log.Field{Key: "req", Value: req.String()}, log.Field{Key: "err", Value: err.Error()})
		return
	}
	// 仅允许客户端覆盖可编辑字段，productlists 等由服务端维护的字段不接受前端写入，
	// 防止前端表单缺字段或携带陈旧值时把产品列表覆盖回旧值。
	old.Brand = req.Brand.Brand
	old.Providerid = req.Brand.Providerid
	old.Description = req.Brand.Description
	old.Contactmails = req.Brand.Contactmails
	// 分成比例只有超管/管理员能改（品牌商自己改比例等于自定分成）。
	if canAuditChannel(session) {
		old.Sharerate = req.Brand.Sharerate
	}
	if err = this.module.model.savefactory(old); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Message: err.Error(),
		}
		this.module.Error("UpdateBrand Fail!", log.Field{Key: "req", Value: req.String()}, log.Field{Key: "err", Value: err.Error()})
		return
	}

	resp = &pb.ApiUpdateBrandResp{
		Brand: old,
	}
	return
}