esctl/pkg/printer/color.go

/*
Copyright © 2026 Thomas von Dein

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

package printer

import (
	"os"

	"codeberg.org/scip/esctl/pkg/cfg"
	"github.com/fatih/color"
	"github.com/mattn/go-isatty"
)

var (
	green  = color.New(color.BgGreen, color.FgHiWhite).SprintFunc()
	yellow = color.New(color.BgYellow, color.FgHiWhite).SprintFunc()
	orange = color.BgRGB(255, 128, 0).AddRGB(0, 0, 0).SprintFunc()
	red    = color.New(color.BgRed, color.FgHiWhite).SprintFunc()
	bold   = color.New(color.Bold).SprintFunc()
)

func Colorize(conf *cfg.Config, col, what string) string {
	if !isatty.IsTerminal(os.Stdout.Fd()) {
		return what
	}

	switch conf.Output {
	case "json", "yaml":
		return what
	}

	switch col {
	case "green":
		what = green(what)
	case "orange":
		what = orange(what)
	case "red":
		what = red(what)
	case "yellow":
		what = yellow(what)
	}

	return what
}

func Bold(what string) string {
	if !isatty.IsTerminal(os.Stdout.Fd()) {
		return what
	}

	return bold(what)
}