package tinymq

import (
	"fmt"
	"log"
	"net"
	"strconv"

	"git.me9.top/git/tinymq/config"
	"git.me9.top/git/tinymq/conn"
	"git.me9.top/git/tinymq/conn/tcp2"
	"git.me9.top/git/tinymq/conn/ws2"
)

// 建立连接，输出实际代码实现的协议
// 会一直阻塞直到连接结束
func Dail(host *conn.HostInfo, cf *config.Config) (rawProto string, conn conn.Connect, err error) {
	addr := net.JoinHostPort(host.Host, strconv.Itoa(int(host.Port)))
	if host.Version == ws2.VERSION && (host.Proto == ws2.PROTO || host.Proto == ws2.PROTO_STL) {
		rawProto = ws2.PROTO
		if cf.PrintMsg {
			log.Println("[ConnectToServer] connecting:", host.Proto, addr, host.Path, host.Hash)
		}
		conn, err = ws2.Dial(cf, host.Proto, addr, host.Path, host.Hash)
	} else if host.Version == tcp2.VERSION && host.Proto == tcp2.PROTO {
		rawProto = tcp2.PROTO
		if cf.PrintMsg {
			log.Println("[ConnectToServer] connecting:", host.Proto, addr, host.Hash)
		}
		conn, err = tcp2.Dial(cf, addr, host.Hash)
	} else {
		err = fmt.Errorf("not correct protocol and version found in: %+v", host)
	}
	return
}