package chat

import (
	"context"
	"fmt"
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/base"
	"go_dreamfactory/lego/core"
	"go_dreamfactory/lego/sys/event"
	"go_dreamfactory/modules"
	"go_dreamfactory/pb"
	"time"

	"google.golang.org/protobuf/types/known/anypb"
)

/*
模块名:论坛
描述:处理跨服社交论坛相关业务
开发:李伟
*/
func NewModule() core.IModule {
	m := new(Chat)
	return m
}

type Chat struct {
	modules.ModuleBase
	service   base.IRPCXService //rpc服务对象 通过这个对象可以发布服务和调用其他服务的接口
	api_comp  *apiComp
	configure *configureComp
	modelChat *modelChatComp
}

//模块名
func (this *Chat) GetType() core.M_Modules {
	return comm.ModuleChat
}

//模块初始化接口 注册用户创建角色事件
func (this *Chat) Init(service core.IService, module core.IModule, options core.IModuleOptions) (err error) {
	err = this.ModuleBase.Init(service, module, options)
	this.service = service.(base.IRPCXService)
	return
}

func (this *Chat) Start() (err error) {
	err = this.ModuleBase.Start()
	event.RegisterGO(comm.EventUserOffline, this.EventUserOffline)
	return
}

//装备组件
func (this *Chat) OnInstallComp() {
	this.ModuleBase.OnInstallComp()
	this.api_comp = this.RegisterComp(new(apiComp)).(*apiComp)
	this.modelChat = this.RegisterComp(new(modelChatComp)).(*modelChatComp)
	this.configure = this.RegisterComp(new(configureComp)).(*configureComp)
}

//Event------------------------------------------------------------------------------------------------------------
func (this *Chat) EventUserOffline(session comm.IUserSession) {
	err := this.modelChat.RemoveCrossChannelMember(session)
	this.Debugf("EventUserOffline:%s err:%v", session, err)
}

//对外接口----------------------------------------------------------------------------------------------------------
//向世界频道发送聊天消息
func (this *Chat) SendWorldChat(msg *pb.DBChat) (code pb.ErrorCode) {
	code = this.modelChat.sendWorldChat(msg)
	return
}

//向个人发送聊天消息
func (this *Chat) SendUserChat(msg *pb.DBChat) (code pb.ErrorCode) {
	var (
		err error
	)
	if session, ok := this.GetUserSession(msg.Ruid); ok {
		session.SendMsg(string(this.GetType()), "message", &pb.ChatMessagePush{Chat: msg})
		if err = session.Push(); err != nil {
			this.Errorf("err:%v", err)
			code = pb.ErrorCode_SystemError
		}
		return
	} else {
		if err = this.modelChat.SaveUserMsg(msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
	}
	return
}

//广播系统消息
func (this *Chat) SendSysChatToWorld(ctype comm.ChatSystemType, value int32, agrs ...interface{}) (code pb.ErrorCode) {
	if st, ok := this.configure.GetCheckChatSystem(int32(ctype), value); ok {
		msg := &pb.DBChat{
			Channel: pb.ChatChannel_System,
			Stag:    this.service.GetTag(),
			Ctime:   time.Now().Unix(),
			Content: fmt.Sprintf(st.Text, agrs...),
		}
		code = this.modelChat.sendSystemChat(msg)
	}
	return
}

//广播系统消息
func (this *Chat) SendSysChatToUser(session comm.IUserSession, ctype comm.ChatSystemType, value int32, agrs ...interface{}) (code pb.ErrorCode) {
	if st, ok := this.configure.GetCheckChatSystem(int32(ctype), value); ok {
		msg := &pb.DBChat{
			Channel: pb.ChatChannel_System,
			Ctime:   time.Now().Unix(),
			Content: fmt.Sprintf(st.Text, agrs...),
		}
		session.SendMsg(string(this.GetType()), "message", &pb.ChatMessagePush{Chat: msg})
	}
	return
}

//Push--------------------------------------------------------------------------------------------------------------
//推送消息到世界
func (this *Chat) PushWorld(msg *pb.DBChat) (err error) {
	data, _ := anypb.New(&pb.ChatMessagePush{Chat: msg})
	if err = this.service.AcrossClusterBroadcast(context.Background(), msg.Stag, comm.Service_Gateway, string(comm.Rpc_GatewaySendRadioMsg), pb.UserMessage{
		MainType: string(this.GetType()),
		SubType:  "message",
		Data:     data,
	}, nil); err != nil {
		this.Errorf("err:%v", err)
	}
	return
}

//推送消息到工会
func (this *Chat) PushUnion(unionId string, msg *pb.DBChat) (err error) {
	return
}

//推送消息到用户
func (this *Chat) PushUser(msg *pb.DBChat) (err error) {
	if session, ok := this.GetUserSession(msg.Ruid); ok {
		session.SendMsg(string(this.GetType()), "message", &pb.ChatMessagePush{Chat: msg})
		if err = session.Push(); err != nil {
			this.Errorf("err:%v", err)
		}
		return
	} else {
		err = this.modelChat.SaveUserMsg(msg)
	}
	return
}

//推送消息到指定用户群
func (this *Chat) PushToUsers(channel int32, msg *pb.DBChat) (err error) {
	var (
		users []*pb.CacheUser
	)
	if users, err = this.modelChat.GetCrossChannelMember(channel); err == nil {
		if err = this.SendMsgToUsers(string(this.GetType()), "message", &pb.ChatMessagePush{Chat: msg}, users...); err != nil {
			this.Errorf("err:%v", err)
			return
		}
	}
	return
}

//全集群推送
func (this *Chat) PushAllWorld(msg *pb.DBChat) (err error) {
	data, _ := anypb.New(&pb.ChatMessagePush{Chat: msg})
	if err = this.service.ClusterBroadcast(context.Background(), comm.Service_Gateway, string(comm.Rpc_GatewaySendRadioMsg), pb.UserMessage{
		MainType: string(this.GetType()),
		SubType:  "message",
		Data:     data,
	}, nil); err != nil {
		this.Errorf("err:%v", err)
	}
	return
}