package server

import (
	"AT-Server/netAtSDK"
	"context"
	"errors"
	"fmt"
	"github.com/gogf/gf/container/gmap"
	"github.com/gogf/gf/net/gtcp"
	"github.com/gogf/gf/os/glog"
)

type Server struct {
	srv     *gtcp.Server
	ctx     context.Context
	addr    string
	port    int
	clients *gmap.Map
}

func NewServer(ctx context.Context, addr string, port int) *Server {
	return &Server{
		clients: gmap.New(),
		ctx:     ctx,
		addr:    addr,
		port:    port,
	}
}

func (s *Server) Start() error {
	glog.Printf("服务端启动[%s:%d]", s.addr, s.port)
	srv := gtcp.NewServer(fmt.Sprintf("%s:%d", s.addr, s.port), s.onClientConnect)
	s.srv = srv
	return s.srv.Run()
}

func (s *Server) Stop() error {
	s.clients.Iterator(func(k interface{}, v interface{}) bool {
		glog.Debugf("客户端:%s,退出", k)
		client := v.(*Client)
		client.closeConnection()
		return true
	})
	return s.srv.Close()
}

func (s *Server) onClientConnect(conn *gtcp.Conn) {
	client := NewClient(s, conn)
	client.closeHandler = func(id string, c *Client) {
		s.clients.Remove(id)
		glog.Debugf("客户端下线:%s", id)
	}
	client.onReg = func(id string, c *Client) {
		glog.Debugf("客户端上线:%s", id)
		s.clients.Set(id, c)
	}
	go client.ReadLoop()
	go client.Test()
}

// GetATClient 获取AT操作
func (s *Server) GetATClient(imei string) (*netAtSDK.ATClient, error) {
	if !s.clients.Contains(imei) {
		return nil, errors.New("客户端不存在:" + imei)
	}
	client := s.clients.Get(imei).(*Client)
	return client.atClient, nil
}