package ops

import (
	cherryApp "f1-game/internal/cherry_app"
	"f1-game/internal/code"
	"f1-game/internal/data"
	"f1-game/internal/enum"
	nameActor "f1-game/internal/name/actor"
	nameRemote "f1-game/internal/name/remote"
	"f1-game/internal/pb"
	"f1-game/internal/sessions"
	"sync/atomic"

	clog "github.com/cherry-game/cherry/logger"
	"github.com/cherry-game/cherry/net/parser/pomelo"
)

type (
	actor struct {
		pomelo.ActorBase
		nodeState int32
	}
)

func NewActor() *actor {
	return &actor{}
}

func (p *actor) AliasID() string {
	return nameActor.Map_Ops
}

// OnInit Actor初始化前触发该函数
func (p *actor) OnInit() {
	nodeConfig, found := data.Node.GetByNodeID(cherryApp.NodeID())
	if !found || !nodeConfig.Enable {
		p.nodeState = enum.NodeClosed
	} else {
		p.nodeState = enum.NodeOpen
	}

	clog.Infof("node default state [%d]", p.nodeState)

	p.Remote().Register(nameRemote.Ops_CheckNodeState, p.checkNodeState)
	p.Remote().Register(nameRemote.Ops_ChangeNodeState, p.changeNodeState)
}

// OnStop Actor停止前触发该函数
func (*actor) OnStop() {
}

// checkNodeState 检查当前地图节点状态
func (p *actor) checkNodeState(req *pb.User) int32 {
	// 开放状态，跳过检测
	if p.nodeState == enum.NodeOpen {
		return code.OK
	}

	// 维护状态，不在白名单中，则禁止进入地图
	if p.nodeState == enum.NodeMaintain {
		if data.NodeState.InWhiteList(req.Ip, req.Uid) {
			return code.OK
		}

		return code.NodeMapIsMaintain
	}

	// 否则禁止任何用户进入地图
	return code.NodeMapIsClosed
}

// changeNodeState 变更节点状态
func (p *actor) changeNodeState(req *pb.I32) int32 {
	if req.Value < enum.NodeOpen || req.Value > enum.NodeClosed {
		return code.NodeMapChangeStateError
	}

	clog.Infof("node state from [%d] to [%d]", p.nodeState, req.Value)

	atomic.StoreInt32(&p.nodeState, req.Value)

	// 如果修改为关闭状态，则踢除本服所有在线用户
	if p.nodeState == enum.NodeClosed {
		clog.Infof("node state change to close. kick all online players! [count = %d]", sessions.UIDCount())

		rsp := &pb.I32{
			Value: code.NodeMapIsMaintain,
		}

		sessions.KickMap(p.App().NodeID(), rsp, true)
	}

	return code.OK
}