package friend

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	"go_dreamfactory/utils"

	"google.golang.org/protobuf/proto"
)

// 点赞
func (this *apiComp) ZanCheck(session comm.IUserSession, req *pb.FriendZanReq) (code pb.ErrorCode) {
	if len(req.FriendIds) == 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

func (this *apiComp) Zan(session comm.IUserSession, req *pb.FriendZanReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.ZanCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	var (
		target *pb.DBFriend
		err    error
		selfId string
	)

	globalCnf := this.moduleFriend.configure.GetGlobalConf()
	if globalCnf == nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}

	selfId = session.GetUserId()

	// 不能给自己点赞
	for _, v := range req.FriendIds {
		if v == selfId {
			code = pb.ErrorCode_FriendZanSelf
			return
		}
	}

	var (
		pointTotal int32 //友情值累加
	)
	// 是否已给好友点赞
	for _, v := range req.FriendIds {
		target = this.moduleFriend.modelFriend.GetFriend(v)
		if target == nil {
			code = pb.ErrorCode_FriendSelfNoData
			return
		}

		if _, ok := utils.Find(target.ZanIds, selfId); !ok {

			pointTotal += 1
			target.ZanIds = append(target.ZanIds, selfId)
			//设置被点赞玩家
			if err = this.moduleFriend.modelFriend.Change(target.GetUid(), map[string]interface{}{
				"zanIds": target.ZanIds,
			}); err != nil {
				code = pb.ErrorCode_DBError
				return
			}
		}
	}

	//设置友情值
	ue, err := this.moduleFriend.ModuleUser.GetUserExpand(session.GetUserId())
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	// 今日送出的友情点是否达到上限
	if ue.FriendPointOD >= globalCnf.FriendMaxsendnum {
		code = pb.ErrorCode_FriendPointLimit
		return
	}

	update := map[string]interface{}{
		"friendPointOD": ue.FriendPointOD + pointTotal,
	}
	if err := this.moduleFriend.ModuleUser.ChangeUserExpand(session.GetUserId(), update); err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	rsp := &pb.FriendZanResp{
		Flag: true,
	}

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

	// 赠送X次友情点
	this.moduleFriend.ModuleRtask.SendToRtask(session, comm.Rtype11, 1)
	return
}