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

package main

import (
	"fmt"
	"os"
)

/*
	this parses the command line arguements using alex flint's go-arg
*/

var argv args

type args struct {
	Help       *EmptyCmd    `arg:"subcommand:help"                      help:"New to forge? This is for you.'"`
	Checkout   *CheckoutCmd `arg:"subcommand:checkout"                  help:"switch branches using 'git checkout'"`
	Clean      *CleanCmd    `arg:"subcommand:clean"                     help:"start over at the beginning"`
	Commit     *CommitCmd   `arg:"subcommand:commit"                    help:"'git commit' but errors out if on wrong branch"`
	Config     *ConfigCmd   `arg:"subcommand:config"                    help:"show your .config/forge/ settings"`
	Debug      *EmptyCmd    `arg:"subcommand:debug"                     help:"debug forge"`
	Dirty      *DirtyCmd    `arg:"subcommand:dirty"                     help:"show dirty git repos"`
	GitFetch   *FindCmd     `arg:"subcommand:fetch"                     help:"run 'git fetch master'"`
	Gui        *EmptyCmd    `arg:"subcommand:gui"                       help:"open the gui"`
	List       *FindCmd     `arg:"subcommand:list"                      help:"print a table of the current repos"`
	Merge      *MergeCmd    `arg:"subcommand:merge"                     help:"merge branches"`
	Normal     *NormalCmd   `arg:"subcommand:normal"                    help:"set every repo to the default state for software development"`
	Patch      *PatchCmd    `arg:"subcommand:patch"                     help:"make patchsets"`
	Pull       *PullCmd     `arg:"subcommand:pull"                      help:"run 'git pull'"`
	URL        string       `arg:"--connect"                            help:"forge url"`
	All        bool         `arg:"--all"                                help:"git commit --all"`
	Build      string       `arg:"--build"                              help:"build a repo"`
	Install    string       `arg:"--install"                            help:"install a repo"`
	BuildForge bool         `arg:"--forge-rebuild"                      help:"download and rebuild forge"`
	Force      bool         `arg:"--force"                              help:"try to strong arm things"`
	Verbose    bool         `arg:"--verbose"                            help:"show more output"`
}

type EmptyCmd struct {
}

type NormalCmd struct {
	On  *EmptyCmd `arg:"subcommand:on"        help:"turn normal mode on"`
	Off *EmptyCmd `arg:"subcommand:off"        help:"turn normal mode off"`
}

type CommitCmd struct {
	Submit bool `arg:"--submit"    default:"true"     help:"submit the patches to forge"`
}

type testCmd string

type CleanCmd struct {
	Delete   *EmptyCmd      `arg:"subcommand:delete"        help:"rescan repo"`
	Devel    *CleanDevelCmd `arg:"subcommand:devel"         help:"clean and verify the devel branches"`
	Force    *EmptyCmd      `arg:"subcommand:force"         help:"do destructive stuff"`
	GitReset *EmptyCmd      `arg:"subcommand:git-reset"     help:"git reset --hard"`
	Pub      *EmptyCmd      `arg:"subcommand:pub"           help:"clean target version numbers"`
	User     *EmptyCmd      `arg:"subcommand:user"          help:"clean the user branches"`
	Repo     string         `arg:"--repo"                   help:"which repo to look at"`
}

type CleanDevelCmd struct {
	Force bool `arg:"--force"                              help:"try to strong arm things"`
}

type PatchCmd struct {
	Check  *EmptyCmd  `arg:"subcommand:check"         help:"check the state of the patches"`
	List   *EmptyCmd  `arg:"subcommand:list"          help:"your downloaded patchsets"`
	Get    *EmptyCmd  `arg:"subcommand:get"           help:"get the new patchsets"`
	Show   *EmptyCmd  `arg:"subcommand:show"          help:"your pending commits to your code"`
	Submit *SubmitCmd `arg:"subcommand:submit"        help:"submit your commits"`
	Repos  *SubmitCmd `arg:"subcommand:repos"         help:"show repos with patches"`
}

type SubmitCmd struct {
	Match string `arg:"positional"`
}

type PullCmd struct {
	Check   *EmptyCmd `arg:"subcommand:check"         help:"check repo versions"`
	Dirty   *EmptyCmd `arg:"subcommand:dirty"         help:"only check dirty repos"`
	Patches *EmptyCmd `arg:"subcommand:patches"       help:"only check repos with patches"`
}

type ConfigAddCmd struct {
	Path        string `arg:"--path"                            help:"absolute path of the git repo"`
	GoPath      string `arg:"--gopath"                          help:"GO path of the git repo"`
	Directory   bool   `arg:"--directory"    default:"false"    help:"repo is a directory to match against"`
	ReadOnly    bool   `arg:"--readonly"     default:"false"    help:"repo is readonly"`
	Writable    bool   `arg:"--writable"     default:"false"    help:"repo is writable"`
	Favorite    bool   `arg:"--favorite"     default:"false"    help:"forge will always go-clone or git clone this"`
	Private     bool   `arg:"--private"      default:"false"    help:"repo can not be published"`
	Interesting bool   `arg:"--interesting"  default:"false"    help:"something you decided was cool"`
	DebName     string `arg:"--debname"                         help:"the name of the debian package (or rpm, etc)"`
	Master      string `arg:"--master"                          help:"the git 'master' or 'main' branch name"`
	Devel       string `arg:"--devel"                           help:"the git devel branch name"`
	User        string `arg:"--user"                            help:"the git user branch name"`
}

type ConfigCmd struct {
	Add      *ConfigAddCmd `arg:"subcommand:add"                      help:"add a config setting"`
	Fix      *EmptyCmd     `arg:"subcommand:fix"                      help:"fix .config/forge/ and/or repos.pb protobuf file"`
	List     *EmptyCmd     `arg:"subcommand:list"                     help:"list your config settings"`
	Delete   string        `arg:"--delete"                            help:"delete this repo"`
	Register string        `arg:"--register"                          help:"register your git URL (foo.com/mystuff) or (github.com/foo/bar)"`
}

type CheckoutCmd struct {
	User   *FindCmd `arg:"subcommand:user"                      help:"git checkout user"`
	Devel  *FindCmd `arg:"subcommand:devel"                     help:"git checkout devel"`
	Master *FindCmd `arg:"subcommand:master"                    help:"git checkout master"`
}

type MergeCmd struct {
	Devel   *FindCmd  `arg:"subcommand:devel"                     help:"merge user to devel"`
	Master  *FindCmd  `arg:"subcommand:master"                    help:"merge devel to master"`
	Publish *EmptyCmd `arg:"subcommand:publish"                    help:"increment versions and publish master branch"`
}

type DirtyCmd struct {
}

type FindCmd struct {
	All       bool `arg:"--all"                           help:"select every repo (the default)"`
	Mine      bool `arg:"--mine"                          help:"your repos as defined in the forge config"`
	Favorites bool `arg:"--favorites"                     help:"your repos configured as favorites"`
	Private   bool `arg:"--private"                       help:"your private repos from your .config/forge/"`
	Dirty     bool `arg:"--dirty"                         help:"only use dirty git repos"`
	User      bool `arg:"--user"                          help:"show repos on the user branch"`
	Full      bool `arg:"--full"                          help:"show full repo names"`
	// ReadOnly  bool `arg:"--readonly"                      help:"include read-only repos"`
}

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

func (a args) Description() string {
	return `
forge -- a tool to manage lots of git repos. forge includes a GUI and TUI.

	forge only executes the 'git' command. Everything it does, you can run by hand with 'git'.
`
}

//
//	handles shell autocomplete
//

func DoAutoComplete(argv []string) {
	// fmt.Fprintln(os.Stderr, "") // these are for debugging
	// fmt.Fprintln(os.Stderr, "in autocomplete:", argv) // these are for debugging
	switch argv[0] {
	case "checkout":
		fmt.Println("devel master user")
	case "clean":
		// me.pp.WriteHelp(os.Stderr)
		// me.pp.WriteUsageForSubcommand(os.Stderr, me.pp.SubcommandNames()...)
		// me.pp.WriteHelpForSubcommand(os.Stderr, me.pp.SubcommandNames()...)
		// me.pp.WriteHelpForSubcommand(os.Stderr, "clean")
		fmt.Println("--force")
	case "commit":
		fmt.Println("--all")
	case "config":
		fmt.Println("add fix list debug")
	case "dirty":
		fmt.Println("")
	case "gui":
		if ifBlank(argv[1]) {
			fmt.Fprintln(os.Stderr, "")
			fmt.Fprintln(os.Stderr, "CUI: terminal interface using 'gocui'")
			fmt.Fprintln(os.Stderr, "GUI: linux and macos GUI using GTK")
		} else {
			fmt.Println("CUI GUI")
		}
	case "list":
		fmt.Println("--full")
	case "merge":
		fmt.Println("devel master")
	case "normal":
		fmt.Println("on off")
	case "pull":
		fmt.Println("--force check")
	case "patch":
		fmt.Println("check get list repos submit show")
	case "user":
		fmt.Println("--force")
	case "devel":
		fmt.Println("--force")
	case "master":
		fmt.Println("")
	case "verify":
		fmt.Println("user devel master")
	default:
		if argv[0] == ARGNAME {
			// list the subcommands here
			fmt.Println("help list checkout clean commit dirty debug fetch gui normal merge patch pull")
		}
	}
	os.Exit(0)
}

func ifBlank(arg string) bool {
	if arg == "''" {
		// if empty, the user has not typed something
		return true
	}
	return false
}

func (a args) DoAutoComplete(argv []string) {
	DoAutoComplete(argv)
}