package main

import "crypto/tls"
import "bufio"
import "encoding/binary"
import "fmt"
import "bytes"
import "time"


type packet struct {
   a uint32
   b []byte
}

func pack(d string) []byte {


    buf := bytes.Buffer{}
    u := len([]byte(d))
    p := packet{
        a: uint32(u),
        b: []byte(d),
    }

    err := binary.Write(&buf, binary.BigEndian, p.a)

    if err != nil {
       fmt.Println(err)
    }

    buf.Write(p.b)

    return buf.Bytes()

}

func initIt() {

}


func main() {

    initIt()

fmt.Println("-------> Connect")

    connect:
        conf := &tls.Config{ // enable TLS client encryption
            InsecureSkipVerify: true,
        }

        tlsConn, err := tls.Dial("tcp","127.0.0.1:5050", conf);
        if err != nil {
            fmt.Println(err)
            time.Sleep(5000 * time.Millisecond) // wait 5 secs
            goto connect
        }

        defer tlsConn.Close()

        reader := bufio.NewReader(tlsConn)
        //writer := bufio.NewWriter(tlsConn) // not neccessary, just use c.Write(...)

    // client login
fmt.Println("-------> Client login")

    tlsConn.Write(pack("login test:test"))

    // //!REMOVEME d1.Reset(
    time.Sleep(1000 * time.Millisecond)

    var p uint32  // packet size
    binary.Read(reader, binary.BigEndian, &p)
    fmt.Println(int(p))

    buf1 := make([]byte, int(p))
fmt.Println("-------> Client login [read response...]")
    reader.Read(buf1)
    fmt.Println(string(buf1))
    fmt.Println(len(string(buf1)))



fmt.Println("-------> Client ping")
    tlsConn.Write(pack("ping 0000-00-00 00:00:00"))

fmt.Println("-------> Client ping [read into p2...]")
    var p2 uint32  // packet size
    binary.Read(reader, binary.BigEndian, &p2)
    fmt.Println(p2)

    buf1 = make([]byte, int(p2))
fmt.Println("-------> Client ping [read response...]")
    reader.Read(buf1)
    fmt.Println(string(buf1))

    time.Sleep(50000 * time.Millisecond)

}