package main

/*
	this parses the command line arguements
	this enables command line options from other packages like 'gui' and 'log'
*/

import (
	"fmt"
	"os"

	"go.wit.com/dev/alexflint/arg"
)

var argv args

type args struct {
	Pull     *EmptyCmd `arg:"subcommand:pull"          help:"'git pull' on the repos"`
	List     *EmptyCmd `arg:"subcommand:list"          help:"list the repos"`
	Merge    *EmptyCmd `arg:"subcommand:merge"         help:"merge in new patchsets"`
	Init     *EmptyCmd `arg:"subcommand:init"          help:"init the repo list"`
	Port     int       `arg:"--port" default:"2520" help:"port to run on"`
	Hostname string    `arg:"--hostname" default:"forge.wit.com" help:"hostname to use"`
	Daemon   bool      `arg:"--daemon"                             help:"run as a daemon"`
	Force    bool      `arg:"--force"                              help:"try to strong arm things"`
	Verbose  bool      `arg:"--verbose"                            help:"show more output"`
	Bash     bool      `arg:"--bash"                               help:"generate bash completion"`
	BashAuto []string  `arg:"--auto-complete"                      help:"todo: move this to go-arg"`
}

type EmptyCmd struct {
}

func (args) Version() string {
	return ARGNAME + " " + VERSION + "    Built on " + BUILDTIME
}

func init() {
	arg.MustParse(&argv)
}

// prints help to STDERR // TODO: move everything below this to go-args
func (args) doBashHelp() {
	if len(argv.BashAuto) < 2 {
		fmt.Fprintf(os.Stderr, "something went wrong with the GO args autocomplete in %s\n", ARGNAME)
		return
	}
	if argv.BashAuto[1] != "''" {
		// if this is not blank, then the user has typed something
		return
	}
	if argv.BashAuto[0] != ARGNAME {
		fmt.Fprintln(os.Stderr, argv.BashAuto[0])
		// if this is not the name of the command, the user already started doing something
		return
	}
	if argv.BashAuto[0] == ARGNAME {
		me.pp.WriteHelp(os.Stderr)
		return
	}
	fmt.Fprintln(os.Stderr, "")
	fmt.Fprintln(os.Stderr, "something went wrong with the GO args package")
	fmt.Fprintln(os.Stderr, "")
}

func (args) doBashAuto() {
	// argv.doBashHelp()
	switch argv.BashAuto[0] {
	case "merge":
		fmt.Println("--force")
	default:
		if argv.BashAuto[0] == ARGNAME {
			// list the subcommands here
			fmt.Println("list merge")
		}
	}
	os.Exit(0)
}