package main

import (
        "context"
        "flag"
        "fmt"
        "io"
        "net"
        "net/http"
        "os"
        "strings"
)

func main() {
        post := flag.String("d", "", "data to POST")
        help := flag.Bool("h", false, "usage help")
        flag.Parse()

        if *help || len(flag.Args()) != 2 {
                fmt.Fprintln(os.Stderr, "usage:", os.Args[0], "[-d data] /path.socket /uri")
                flag.PrintDefaults()
                os.Exit(0)
        }

        fmt.Println("Unix HTTP client")

        httpc := http.Client{
                Transport: &http.Transport{
                        DialContext: func(_ context.Context, _, _ string) (net.Conn, error) {
                                return net.Dial("unix", flag.Args()[0])
                        },
                },
        }

        var response *http.Response
        var err error
        if len(*post) == 0 {
                response, err = httpc.Get("http://unix" + flag.Args()[1])
        } else {
                response, err = httpc.Post("http://unix"+flag.Args()[1], "application/octet-stream", strings.NewReader(*post))
        }

        if err != nil {
                panic(err)
        }
        io.Copy(os.Stdout, response.Body)
}