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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

import (
	"os"

	"go.wit.com/lib/gui/prep"
)

/*
	this parses the command line arguements

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

var argv args

type args struct {
	Package   string `arg:"--package"                  help:"the package name"`
	Proto     string `arg:"--proto"                    help:"the .proto filename"`
	Mutex     bool   `arg:"--mutex"   default:"true"   help:"insert a mutex into protoc .pb.go file"`
	MutexName string `arg:"--mutex-name"               help:"use a var name for the mutex"`
	Regret    bool   `arg:"--regret"                   help:"ignore needed UUID. You will eventually regret this."`
	Delete    bool   `arg:"--delete"                   help:"use delete with copy experiment"`
	DryRun    bool   `arg:"--dry-run"                  help:"check the .proto syntax, but don't do anything"`
	ReFormat  bool   `arg:"--reformat"                   help:"reformat the .proto file and exit"`
	Debug     bool   `arg:"--debug"                    help:"enable debugging information"`
	Comments  bool   `arg:"--format-comments"          help:"enforce parseable comments in a .proto file"`
	NoFormat  bool   `arg:"--no-format"                help:"do not auto-reformat the .proto file"`
	Renumber  bool   `arg:"--renumber"                 help:"renumber everything. obviously breaks backwards compatiblity"`
	Clean     bool   `arg:"--clean"                    help:"clean out any *pb.go files; bypassing ctime sanity checks"`
	Ctime     bool   `arg:"--ctime"                    help:"do os.Stat() createtime sanity checks"`
	GoSrc     string `arg:"--go-src"                   help:"default is ~/go/src. could be set to your go.work path"`
	GoPath    string `arg:"--gopath"                   help:"the gopath of this repo"`
	Identify  string `arg:"--identify"                 help:"identify file"`
}

func (a args) Description() string {
	return "go.wit.com/apps/autogenpb " + VERSION + "    Built on " + BUILDTIME + `

From a .proto file, autogenpb will:

	* auto generate Sort(), Marshal() and GUI() functions in .pb.go files
	* auto format the .proto file (like goimport does for .go files)
	* encourages (enforces?) plural struct names (like rails)

See the sources for an example .proto files

Example usage:

	autogenpb --proto foo.proto --package main
`
}

func (args) Version() string {
	return "go.wit.com/apps/autogenpb " + VERSION + "    Built on " + BUILDTIME
}

/*
	handles shell autocomplete
*/

func (args) Appname() string {
	return ARGNAME
}

func (args) MatchClean() string {
	return "foo.proto bar.proto"
}

func (args) Buildtime() (string, string) {
	return BUILDTIME, VERSION
}

func (a args) DoAutoComplete(pb *prep.Auto) {
	if pb.Cmd == "" {
		pb.Autocomplete3([]string{"--bash", "--proto", "--regret", "--debug", "--renumber", "--reformat", "--delete", "--dry-run"})
	} else {
		pb.SubCommand(pb.Goargs...)
	}
	os.Exit(0)
}