package rags_test

import (
	"flag"
	"os"

	"edge-infra.dev/pkg/lib/cli/rags"
)

func ExampleRagSet_Usage() {
	// Using a RagSet as a drop-in replacement for FlagSet while leveraging
	// rich-flag specific functionality.
	var (
		rs = rags.New("example-flag-usage", flag.ContinueOnError)
		_  = rs.String("foo", "", "special flag foo boy", rags.WithCategory("special"))
		_  = rs.String("bar", "foo", "super special copy flag", rags.WithCategory("special"), rags.WithShort("b"))
		_  = rs.Bool("reqfoo", true, "required foo", rags.WithRequired())
		_  = rs.Bool("required2", false, "you'll need me too", rags.WithRequired())
		_  = rs.String("shortie", "tallboi", "peep my short flag", rags.WithShort("s"))
		_  = rs.Bool("reg", true, "just a regular ol flag type beat")
		_  = rs.Bool("reg2", false, "another reggie")
	)

	rs.SetOutput(os.Stdout)
	rs.Usage()
}

func ExampleNew_addOnCreate() {
	var (
		enabled bool
		target  string
	)
	// Add flags declaratively when creating the RagSet
	rs := rags.New("example-add-flags", flag.ContinueOnError,
		&rags.Rag{Name: "enable", Short: "e", Value: &rags.Bool{Var: &enabled}},
		&rags.Rag{Name: "target", Required: true, Value: &rags.String{Var: &target}},
	)
	// Add flags imperatively
	_ = rs.Bool("imperative-enable", false, "added with FlagSet drop-in replacement")
}

func ExampleNew_addAfterCreate() {
	var (
		enabled bool
		target  string
	)
	// Add flags declaratively after creating the RagSet
	rs := rags.New("example-add-flags", flag.ContinueOnError)
	rs.Add(
		&rags.Rag{Name: "enable", Short: "e", Value: &rags.Bool{Var: &enabled}},
		&rags.Rag{Name: "target", Required: true, Value: &rags.String{Var: &target}},
	)
	// Add flags imperatively
	_ = rs.Bool("imperative-enable", false, "added FlagSet-style")
}