package user

import (
	actorRemote "f1-game/internal/actor_remote"
	"f1-game/internal/code"
	"f1-game/internal/constant"
	"f1-game/internal/data"
	"f1-game/internal/extend/token"
	nameActor "f1-game/internal/name/actor"
	nameLocal "f1-game/internal/name/local"
	nameRemote "f1-game/internal/name/remote"
	"f1-game/internal/pb"
	"f1-game/internal/sessions"
	"f1-game/nodes/gate/cache"
	"time"

	cstring "github.com/cherry-game/cherry/extend/string"
	ctime "github.com/cherry-game/cherry/extend/time"
	cfacade "github.com/cherry-game/cherry/facade"
	clog "github.com/cherry-game/cherry/logger"
	"github.com/cherry-game/cherry/net/parser/pomelo"
	cproto "github.com/cherry-game/cherry/net/proto"
	cprofile "github.com/cherry-game/cherry/profile"
	"go.uber.org/zap/zapcore"
)

type (
	actorAgent struct {
		pomelo.ActorBase
		agent *pomelo.Agent
	}
)

func newChildAgent(agent *pomelo.Agent) *actorAgent {
	return &actorAgent{
		agent: agent,
	}
}

func (p *actorAgent) AliasID() string {
	return p.agent.SID()
}

func (p *actorAgent) OnInit() {
	p.agent.AddOnClose(p.OnSessionClose)

	p.Local().Register(nameLocal.User_Login, p.login)

	p.Remote().Register(nameRemote.User_SetSession, p.setSession)
	p.Remote().Register(nameRemote.Game_UpdateTimeOffset, p.updateTimeOffset)
}

func (p *actorAgent) login(session *cproto.Session, req *pb.UserLoginRequest) {
	if p.agent == nil {
		p.ResponseCode(session, code.AccountLoginBindUserError)
		return
	}

	// debug模式是前端选服,验证gameNodeID 是否传值
	if cprofile.Debug() {
		if req.GameNodeID == "" {
			p.ResponseCode(session, code.NodeGameNodeIDIsEmpty)
			return
		}
	}

	// 验证token
	userToken, errCode := p.validateToken(req.Token)
	if code.IsFail(errCode) {
		p.ResponseCode(session, errCode)
		return
	}

	// 验证pid 是否配置
	sdkRow := data.SDK.Get(userToken.PID)
	if sdkRow == nil {
		p.ResponseCode(session, code.AccountLoginPIDError)
		return
	}

	// 根据pid openid获取uid
	uid, errCode := actorRemote.CenterPlayer.GetUID(sdkRow.SdkID, userToken.PID, userToken.OpenID)
	if uid < 1 || code.IsFail(errCode) {
		p.ResponseCode(session, errCode)
		return
	}

	// 检查game节点是否可以进入
	errCode = checkNodeState(constant.NodeGame, req.GameNodeID, nameActor.GameOps, uid, session.Ip)
	if code.IsFail(errCode) {
		p.ResponseCode(session, errCode)
		return
	}

	// uid和session绑定
	oldAgent, err := pomelo.Bind(session.Sid, uid)
	if err != nil {
		clog.Warn(err)
		p.ResponseCode(session, code.AccountLoginBindUserError)
		return
	}

	// 踢掉旧的agent
	if oldAgent != nil {
		oldAgent.Kick(upa.duplicateLoginCode, true)
	}

	p.kickGateSession(uid)

	// 在agent存储当前player相关的信息，用于路由、日志记录等
	p.agent.Session().Set(sessions.GameNodeID, cstring.ToString(req.GameNodeID))
	p.agent.Session().Set(sessions.PID, cstring.ToString(userToken.PID))
	p.agent.Session().Set(sessions.OpenID, userToken.OpenID)

	response := &pb.UserLoginResponse{
		Uid:        uid,
		Pid:        userToken.PID,
		OpenID:     userToken.OpenID,
		GameNodeID: req.GameNodeID,
		Params:     req.GetParams(), // TODO  后续可以针对 pid读取一些参数返回给客户端
	}

	if clog.Enable(zapcore.DebugLevel) {
		clog.Debugf("user login. gameNodeID = %s, pid = %d, open_id = %s, response = %v",
			req.GameNodeID,
			userToken.PID,
			userToken.OpenID,
			response,
		)
	}

	p.Response(session, response)
}

func (p *actorAgent) setSession(req *pb.StrStrList) {
	if p.agent == nil {
		clog.Warnf("agent is nil. sid = %s", p.AliasID())
		return
	}

	for _, param := range req.List {
		if cstring.IsBlank(param.Value) {
			p.agent.Session().Remove(param.Key)
		} else {
			p.agent.Session().Set(param.Key, param.Value)
		}
	}

	// 更新agnet缓存
	cache.UpdateAgent(p.agent)

	// 推送session到目标节点
	for _, param := range req.List {
		if parserFunc, found := upa.GetSyncParser(param.Key); found {
			parserFunc(p, p.agent.Session(), true)
		}
	}
}

func (p *actorAgent) validateToken(base64Token string) (*token.Token, int32) {
	userToken, ok := token.DecodeToken(base64Token)
	if !ok || userToken.PID < 1 || len(userToken.OpenID) < 1 {
		clog.Warnf("base64Token = %s", base64Token)
		return nil, code.AccountUnmarshalError
	}

	sdkRow := data.SDK.Get(userToken.PID)
	if sdkRow == nil {
		return nil, code.PIDError
	}

	statusCode, ok := token.Validate(userToken, sdkRow.Salt)
	if !ok {
		return nil, statusCode
	}

	return userToken, code.OK
}

func (p *actorAgent) kickGateSession(uid cfacade.UID) {
	// 遍历所有网关节点，踢除旧的session
	uids := []int64{uid}
	sessions.KickUIDS(uids, upa.duplicateLoginCode, true, p.App().NodeID())
}

func (p *actorAgent) OnSessionClose(_ *pomelo.Agent) {
	cache.RemoveAgent(p.agent)

	// 推送session到目标节点
	for _, parserFunc := range upa.nodeSyncMap {
		parserFunc(p, p.agent.Session(), false)
	}

	// 释放agenet
	p.agent = nil

	// 自己退出
	p.Exit()
}

// 更新时间偏移量
func (p *actorAgent) updateTimeOffset(req *pb.I64) {
	offset := req.Value
	ctime.AddOffsetTime(time.Duration(offset) * time.Second)

	clog.Warn("[updateTimeOffset] offset = %d, time = %d", offset, ctime.Now().ToSecond())
}

func (p *actorAgent) GetPlayerID() int64 {
	return sessions.GetPlayerID(p.agent.Session())
}

func (p *actorAgent) GetGameNodeID() string {
	return sessions.GetGameNodeID(p.agent.Session())
}

func (p *actorAgent) GetMapNodeID() string {
	return sessions.GetMapNodeID(p.agent.Session())
}