//go:build linux || freebsd
// +build linux freebsd

package cli

import (
	"fmt"
	"io"
	"os"
	"strings"
)

// PrintError prints an error with color styling
func PrintError(w io.Writer, err error) {
	prefix, suffix := "", ""
	if isColorTerminal(w) {
		prefix = ColorRed + ColorBold
		suffix = ColorReset
	}
	fmt.Fprintf(w, "%s✗ Error:%s %v\n", prefix, suffix, err)
}

// PrintWarning prints a warning with color styling
func PrintWarning(w io.Writer, msg string) {
	prefix, suffix := "", ""
	if isColorTerminal(w) {
		prefix = ColorYellow + ColorBold
		suffix = ColorReset
	}
	fmt.Fprintf(w, "%s⚠ Warning:%s %s\n", prefix, suffix, msg)
}

// PrintSuccess prints a success message with color styling
func PrintSuccess(w io.Writer, msg string) {
	prefix, suffix := "", ""
	if isColorTerminal(w) {
		prefix = ColorGreen + ColorBold
		suffix = ColorReset
	}
	fmt.Fprintf(w, "%s✓%s %s\n", prefix, suffix, msg)
}

// PrintInfo prints an info message with color styling
func PrintInfo(w io.Writer, msg string) {
	prefix, suffix := "", ""
	if isColorTerminal(w) {
		prefix = ColorCyan + ColorBold
		suffix = ColorReset
	}
	fmt.Fprintf(w, "%sℹ%s %s\n", prefix, suffix, msg)
}

// FormatError formats an error with context
func FormatError(err error, context string) error {
	if context == "" {
		return err
	}
	return fmt.Errorf("%s: %w", context, err)
}

// IsTerminal checks if the writer is a terminal
func IsTerminal(w io.Writer) bool {
	_, ok := w.(*os.File)
	return ok && os.Getenv("TERM") != "dumb"
}

// Colorize wraps text in ANSI color codes if the writer supports it
func Colorize(w io.Writer, colorCode, text string) string {
	if !isColorTerminal(w) {
		return text
	}
	return colorCode + text + ColorReset
}

// Indent returns text indented by the specified number of spaces
func Indent(text string, spaces int) string {
	indent := strings.Repeat(" ", spaces)
	lines := strings.Split(text, "\n")
	for i, line := range lines {
		if line != "" {
			lines[i] = indent + line
		}
	}
	return strings.Join(lines, "\n")
}