package friend

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

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

func (this *apiComp) RandlistCheck(session comm.IUserSession, req *pb.FriendRandlistReq) (code pb.ErrorCode) {
	return
}

func (this *apiComp) Randlist(session comm.IUserSession, req *pb.FriendRandlistReq) (code pb.ErrorCode, data proto.Message) {

	// 当前玩家好友数据
	self := this.moduleFriend.modelFriend.GetFriend(session.GetUserId())
	if self == nil {
		code = pb.ErrorCode_FriendSelfNoData
		return
	}

	//在线玩家列表
	cuList, err := this.moduleFriend.ModuleUser.UserOnlineList()
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	//过滤
	var newList []*pb.CacheUser
	for _, v := range cuList {
		// 将自己从在线玩家中过滤掉
		if v.Uid == session.GetUserId() {
			continue
		}
		// 将自己的好友从在线玩家中过滤掉
		if _, ok := utils.Findx(self.FriendIds, v.Uid); ok {
			continue
		}
		newList = append(newList, v)
	}

	// 只随机选择5个在线玩家
	var randOnlineUsers []string
	if len(newList) > 5 {
		randArr := utils.Numbers(0, len(newList), 5)
		for _, v := range randArr {
			if newList[v] != nil {
				randOnlineUsers = append(randOnlineUsers, newList[v].Uid)
			}
		}
	} else {
		for _, v := range newList {
			randOnlineUsers = append(randOnlineUsers, v.Uid)
		}
	}

	var userList []*pb.FriendBase

	for _, uid := range randOnlineUsers {

		target := this.moduleFriend.modelFriend.GetFriend(uid)
		if target == nil {
			continue
		}

		// // 获取在线好友的信息
		// user := this.moduleFriend.ModuleUser.GetUser(uid)
		// if user == nil {
		// 	continue
		// }

		base := this.setDefaultFriendUserBaseInfo(uid)
		if base == nil {
			continue
		}

		// 申请过的在线好友，设置申请状态
		if _, ok := utils.Findx(target.ApplyIds, self.Uid); ok {
			base.IsApplied = true
		}

		userList = append(userList, base)
	}

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

	return
}