package gistatic

import (
	"flag"
	"fmt"
	"io"
	"os"

	g "gobang"
)



type argsT struct{
	outputPath string
	cloneUrl   string
	allArgs    []string
}


func usage(argv0 string, w io.Writer) {
	fmt.Fprintf(
		w,
		"Usage: %s [-o DIRECTORY] [-u CLONE_URL] REPOSITORY",
		argv0,
	)
}

func getopt(allArgs []string, w io.Writer) (argsT, int) {
	argv0 := allArgs[0]
	argv  := allArgs[1:]
	fs := flag.NewFlagSet("", flag.ContinueOnError)
	fs.Usage = func() {}
	fs.SetOutput(w)
	outputPath := fs.String(
		"o",
		g.Must(os.Getwd()),
		"The directory where to write the generated files",
	)
	cloneUrl := fs.String(
		"u",
		"",
		"The prefix of the online cloning addresss",
	)
	if fs.Parse(argv) != nil {
		usage(argv0, w)
		return argsT{}, 2
	}

	subArgs := fs.Args()
	if len(subArgs) == 0 {
		fmt.Fprintf(w, "Missing DIRECTORY.\n")
		usage(argv0, w)
		return argsT{}, 2
	}

	return argsT{
		outputPath: *outputPath,
		cloneUrl:   *cloneUrl,
		allArgs:    allArgs,
	}, 0
}

func run(args argsT, stdin io.Reader, stdout io.Writer, stderr io.Writer) int {
	return 0
}



func Main() {
	g.Init()
	args, rc := getopt(os.Args, os.Stderr)
	if rc != 0 {
		os.Exit(rc)
	}
	os.Exit(run(args, os.Stdin, os.Stdout, os.Stderr))
}