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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

// Prior Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"errors"
	"fmt"
	"strings"

	"github.com/awesome-gocui/gocui"
	log "go.wit.com/log"
)

/*
	This in helpText doesn't print

	"\x1b[0;32m  \x1b[0m", // this was a test to see what might be
	// possible with gocui. it doesn't seem to work for me
*/

var helpText []string = []string{"Help Menu",
	"",
	"Tab:    toggle through windows",
	"'O': toggle STDOUT",
	"'H': toggle this gocui menu",
	"'D': toggle light/dark mode",
	"CTRL-c: quit()",
	"",
	"Debugging:",
	"'S': Supermouse mode",
	"'M': list all widget positions",
	"'L': list all widgets in tree",
}

func hideHelp() {
	if me.showHelp {
		log.Info("help is already down")
		me.showHelp = true
		return
	}
	me.showHelp = true
	me.baseGui.DeleteView("help")
}

func showHelp() error {
	if !me.showHelp {
		log.Info("help is already up")
		me.showHelp = false
		return nil
	}
	me.showHelp = false
	g := me.baseGui
	var err error
	maxX, _ := g.Size()

	var newW int = 8
	for _, s := range helpText {
		if newW < len(s) {
			newW = len(s)
		}
	}

	a := maxX - (newW + me.FramePadW)
	b := me.notify.help.offsetH
	c := maxX - 1
	d := me.notify.help.offsetH + len(helpText) + me.FramePadH

	help, err := g.SetView("help", a, b, c, d, 0)
	if err != nil {
		if !errors.Is(err, gocui.ErrUnknownView) {
			return err
		}
		help.SelBgColor = gocui.ColorGreen
		help.SelFgColor = gocui.ColorBlack

		fmt.Fprintln(help, strings.Join(helpText, "\n"))

		if _, err := g.SetCurrentView("help"); err != nil {
			return err
		}
	}
	g.SetViewOnTop("help")
	me.helpLabel = help

	/*
		if me.treeRoot == nil {
			log.Info("gogui makeClock() error. treeRoot == nil")
			return nil
		} else {
			if me.stdout.tk == nil {
				makeOutputWidget(me.baseGui, "made this in showHelp()")
				msg := fmt.Sprintf("test to stdout from in showHelp() %d\n", me.ecount)
				me.stdout.Write([]byte(msg))
				log.Log(NOW, "log.log(NOW) test")
			}
		}
	*/
	return nil
}