package argvpb

import "fmt"

// verify the application has the needed function calls defined
func verifyApplication(tmp interface{}) {
	// START NEEDED FUNCS           // 2025/10/18 (review in a few months)
	if tmp, ok := tmp.(autoFuncI); ok {
		me.autoFunc = tmp.DoAutoComplete
	} else {
		panic("you need to make the function argv.DoAutoComplete()")
	}

	if tmp, ok := tmp.(mustParseI); ok {
		me.mustParseFunc = tmp.MustParse
	} else {
		panic("you must define in your app the function: func (args) MustParse() error")
	}

	if tmp, ok := tmp.(initGuiI); ok {
		me.initGuiFunc = tmp.InitGui
		if err := tmp.InitGui(); err != nil {
			fmt.Println("go.wit.com/gui failed to initialize", err)
			panic("gui failed to init")
		}
	} else {
		// panic("you must add this function to argv.go: (argv) func InitGui() error")
	}
	// END NEEDED FUNCS // 2025/10/18 (review in a few months)

	// TODO: SORT OUT STUFF BELOW HERE
	if tmp, ok := tmp.(examplesI); ok {
		me.examples = tmp.Examples
	}

	if tmp, ok := tmp.(exitI); ok {
		me.appExit = tmp.Exit
	} else {
		// panic("you need to make the function argv.Exit()")
	}
}

// WORKING ON START

type mustParseI interface {
	MustParse() error
}

type autoFuncI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	DoAutoComplete() error
}

type initGuiI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	InitGui() error
}

// WORKING ON END

// NOTSURE ABOUT START
type appnameI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	Appname() string
}

// deprecate

type sendCompletionStringsI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	SendCompletionStrings(*Argv)
}

type buildtimeI interface {
	Buildtime() (string, string)
}

type examplesI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	Examples() string
}

type guiI interface {
	// Version returns the version string that will be printed on a line by itself
	// at the top of the help message.
	ArgvGui() error
}

type exitI interface {
	// allows a custom app Exit()
	Exit()
}