package sociaty

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/sys/log"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"
)

func (this *apiComp) BuyCheck(session comm.IUserSession, req *pb.SociatyBuyReq) (code pb.ErrorCode) {
	if req.Atn != nil && req.Atn.N <= 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

func (this *apiComp) Buy(session comm.IUserSession, req *pb.SociatyBuyReq) (code pb.ErrorCode, data *pb.ErrorData) {
	if code = this.BuyCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	ggd := this.module.ModuleTools.GetGlobalConf()
	if ggd == nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}
	uid := session.GetUserId()
	sociaty := this.module.modelSociaty.getUserSociaty(uid)
	if sociaty == nil {
		code = pb.ErrorCode_SociatyNoFound
		this.module.Error("当前玩家所在的公会未找到", log.Field{Key: "uid", Value: uid})
		return
	}

	//校验钻石
	imodule, err := this.module.service.GetModule(comm.ModuleUser)
	if err != nil {
		code = pb.ErrorCode_SystemError
		return
	}

	iuser, ok := imodule.(comm.IUser)
	if !ok {
		code = pb.ErrorCode_SystemError
		return
	}

	atn := []*cfg.Gameatn{
		{A: req.Atn.A,
			T: req.Atn.T,
			N: req.Atn.N},
	}
	if code = this.module.CheckRes(session, atn); code != pb.ErrorCode_Success {
		return
	}

	ex, err := iuser.GetUserExpand(uid)
	if err != nil {
		code = pb.ErrorCode_UserSessionNobeing
		return
	}

	//挑战券数量计算
	ex.SociatyTicket += req.BuyNum

	//更新购买次数
	updateEx := map[string]interface{}{
		"sociatyTicket":       ex.SociatyTicket,           //挑战券数量
		"sociatyTicketBuyNum": ex.SociatyTicketBuyNum + 1, //购买次数
	}
	if err := iuser.ChangeUserExpand(uid, updateEx); err != nil {
		this.module.Error("更新userexpand错误", log.Field{Key: "uid", Value: uid}, log.Field{Key: "err", Value: err})
	}

	//扣除资源
	if code = this.module.DispenseRes(session, atn, true); code != pb.ErrorCode_Success {
		return
	}

	rsp := &pb.SociatyBuyResp{
		Uid: uid,
	}

	if err := session.SendMsg(string(this.module.GetType()), SociatySubTypeBuy, rsp); err != nil {
		code = pb.ErrorCode_SystemError
	}
	return
}